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    Patricia Babbitt, PhD

    TitleProfessor
    SchoolUCSF School of Pharmacy
    DepartmentBioengineering and Therapeutic Sciences
    Address1700 4th Street, Byers Hall
    San Francisco CA 94158
    Phone415-476-3784

       Overview 
       Overview
      Dr. Babbitt's laboratory uses computational approaches to improve understanding of how nature has evolved enzymes to catalyze many different chemical reactions by re-using ancestral structures and active site architectures. We created the Structure-Function Linkage Database (SFLD) (http://sfld.rbvi.ucsf.edu) to provide users with access to this information along with tools for analyzing and exploring it. Applications of this work include annotation and prediction of function for new sequences from genome projects and guidance for "rational protein design."

       Interests
      Bioengineering & Therapeutic Sciences; protein structure/function relationships; computational biology/bioinformatics; enzyme engineering


       Bibliographic 
       Publications
      Publications by year:
      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
      1. Wallrapp FH, Pan JJ, Ramamoorthy G, Almonacid DE, Hillerich BS, Seidel R, Patskovsky Y, Babbitt PC, Almo SC, Jacobson MP, Poulter CD. Prediction of function for the polyprenyl transferase subgroup in the isoprenoid synthase superfamily. Proc Natl Acad Sci U S A. 2013 Mar 26; 110(13):E1196-202.
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      2. Radivojac P, Clark WT, Oron TR, Schnoes AM, Wittkop T, Sokolov A, Graim K, Funk C, Verspoor K, Ben-Hur A, Pandey G, Yunes JM, Talwalkar AS, Repo S, Souza ML, Piovesan D, Casadio R, Wang Z, Cheng J, Fang H, Gough J, Koskinen P, Törönen P, Nokso-Koivisto J, Holm L, Cozzetto D, Buchan DW, Bryson K, Jones DT, Limaye B, Inamdar H, Datta A, Manjari SK, Joshi R, Chitale M, Kihara D, Lisewski AM, Erdin S, Venner E, Lichtarge O, Rentzsch R, Yang H, Romero AE, Bhat P, Paccanaro A, Hamp T, Kaßner R, Seemayer S, Vicedo E, Schaefer C, Achten D, Auer F, Boehm A, Braun T, Hecht M, Heron M, Hönigschmid P, Hopf TA, Kaufmann S, Kiening M, Krompass D, Landerer C, Mahlich Y, Roos M, Björne J, Salakoski T, Wong A, Shatkay H, Gatzmann F, Sommer I, Wass MN, Sternberg MJ, Skunca N, Supek F, Bošnjak M, Panov P, Džeroski S, Smuc T, Kourmpetis YA, van Dijk AD, Braak CJ, Zhou Y, Gong Q, Dong X, Tian W, Falda M, Fontana P, Lavezzo E, Di Camillo B, Toppo S, Lan L, Djuric N, Guo Y, Vucetic S, Bairoch A, Linial M, Babbitt PC, Brenner SE, Orengo C, Rost B, Mooney SD, Friedberg I. A large-scale evaluation of computational protein function prediction. Nat Methods. 2013 Mar; 10(3):221-7.
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      3. Mashiyama ST, Koupparis K, Caffrey CR, McKerrow JH, Babbitt PC. A Global Comparison of the Human and T. brucei Degradomes Gives Insights about Possible Parasite Drug Targets. PLoS Negl Trop Dis. 2012 Dec; 6(12):e1942.
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      4. Barber AE, Babbitt PC. Pythoscape: a framework for generation of large protein similarity networks. Bioinformatics. 2012 Nov 1; 28(21):2845-6.
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      5. Crawford ED, Seaman JE, Barber AE, David DC, Babbitt PC, Burlingame AL, Wells JA. Conservation of caspase substrates across metazoans suggests hierarchical importance of signaling pathways over specific targets and cleavage site motifs in apoptosis. Cell Death Differ. 2012 Dec; 19(12):2040-8.
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      6. Lukk T, Sakai A, Kalyanaraman C, Brown SD, Imker HJ, Song L, Fedorov AA, Fedorov EV, Toro R, Hillerich B, Seidel R, Patskovsky Y, Vetting MW, Nair SK, Babbitt PC, Almo SC, Gerlt JA, Jacobson MP. Homology models guide discovery of diverse enzyme specificities among dipeptide epimerases in the enolase superfamily. Proc Natl Acad Sci U S A. 2012 Mar 13; 109(11):4122-7.
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      7. Gerlt JA, Babbitt PC, Jacobson MP, Almo SC. Divergent evolution in enolase superfamily: strategies for assigning functions. J Biol Chem. 2012 Jan 2; 287(1):29-34.
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      8. Brown SD, Babbitt PC. Inference of functional properties from large-scale analysis of enzyme superfamilies. J Biol Chem. 2012 Jan 2; 287(1):35-42.
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      9. Gerlt JA, Allen KN, Almo SC, Armstrong RN, Babbitt PC, Cronan JE, Dunaway-Mariano D, Imker HJ, Jacobson MP, Minor W, Poulter CD, Raushel FM, Sali A, Shoichet BK, Sweedler JV. The Enzyme Function Initiative. Biochemistry. 2011 Nov 22; 50(46):9950-62.
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      10. Hicks MA, Barber AE, Giddings LA, Caldwell J, O'Connor SE, Babbitt PC. The evolution of function in strictosidine synthase-like proteins. Proteins. 2011 Nov; 79(11):3082-98.
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      11. Shen Y, Lee HY, Rawson J, Ojha S, Babbitt P, Fu YH, Ptácek LJ. Mutations in PNKD causing paroxysmal dyskinesia alters protein cleavage and stability. Hum Mol Genet. 2011 Jun 15; 20(12):2322-32.
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      12. Almonacid DE, Babbitt PC. Toward mechanistic classification of enzyme functions. Curr Opin Chem Biol. 2011 Jun; 15(3):435-42.
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      13. Meng EC, Babbitt PC. Topological variation in the evolution of new reactions in functionally diverse enzyme superfamilies. Curr Opin Struct Biol. 2011 Jun; 21(3):391-7.
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      14. Apeltsin L, Morris JH, Babbitt PC, Ferrin TE. Improving the quality of protein similarity network clustering algorithms using the network edge weight distribution. Bioinformatics. 2011 Feb 1; 27(3):326-33.
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      15. Almonacid DE, Yera ER, Mitchell JB, Babbitt PC. Quantitative comparison of catalytic mechanisms and overall reactions in convergently evolved enzymes: implications for classification of enzyme function. PLoS Comput Biol. 2010 Mar; 6(3):e1000700.
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      16. Schnoes AM, Brown SD, Dodevski I, Babbitt PC. Annotation error in public databases: misannotation of molecular function in enzyme superfamilies. PLoS Comput Biol. 2009 Dec; 5(12):e1000605.
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      17. Atkinson HJ, Babbitt PC. Glutathione transferases are structural and functional outliers in the thioredoxin fold. Biochemistry. 2009 Nov 24; 48(46):11108-16.
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      18. Atkinson HJ, Babbitt PC, Sajid M. The global cysteine peptidase landscape in parasites. Trends Parasitol. 2009 Dec; 25(12):573-81.
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      19. Atkinson HJ, Babbitt PC. An atlas of the thioredoxin fold class reveals the complexity of function-enabling adaptations. PLoS Comput Biol. 2009 Oct; 5(10):e1000541.
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      20. Adams JC, Keiser MJ, Basuino L, Chambers HF, Lee DS, Wiest OG, Babbitt PC. A mapping of drug space from the viewpoint of small molecule metabolism. PLoS Comput Biol. 2009 Aug; 5(8):e1000474.
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      21. Cummings JA, Fedorov AA, Xu C, Brown S, Fedorov E, Babbitt PC, Almo SC, Raushel FM. Annotating enzymes of uncertain function: the deacylation of D-amino acids by members of the amidohydrolase superfamily. Biochemistry. 2009 Jul 14; 48(27):6469-81.
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      22. Dvorák J, Mashiyama ST, Sajid M, Braschi S, Delcroix M, Schneider EL, McKerrow WH, Bahgat M, Hansell E, Babbitt PC, Craik CS, McKerrow JH, Caffrey CR. SmCL3, a gastrodermal cysteine protease of the human blood fluke Schistosoma mansoni. PLoS Negl Trop Dis. 2009; 3(6):e449.
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      23. Figueroa M, Hinrichs MV, Bunster M, Babbitt P, Martinez-Oyanedel J, Olate J. Biophysical studies support a predicted superhelical structure with armadillo repeats for Ric-8. Protein Sci. 2009 Jun; 18(6):1139-45.
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      24. Peterson ME, Chen F, Saven JG, Roos DS, Babbitt PC, Sali A. Evolutionary constraints on structural similarity in orthologs and paralogs. Protein Sci. 2009 Jun; 18(6):1306-15.
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      25. Sakai A, Fedorov AA, Fedorov EV, Schnoes AM, Glasner ME, Brown S, Rutter ME, Bain K, Chang S, Gheyi T, Sauder JM, Burley SK, Babbitt PC, Almo SC, Gerlt JA. Evolution of enzymatic activities in the enolase superfamily: stereochemically distinct mechanisms in two families of cis,cis-muconate lactonizing enzymes. Biochemistry. 2009 Feb 24; 48(7):1445-53.
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      26. Gerlt JA, Babbitt PC. Enzyme (re)design: lessons from natural evolution and computation. Curr Opin Chem Biol. 2009 Feb; 13(1):10-8.
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      27. Pieper U, Chiang R, Seffernick JJ, Brown SD, Glasner ME, Kelly L, Eswar N, Sauder JM, Bonanno JB, Swaminathan S, Burley SK, Zheng X, Chance MR, Almo SC, Gerlt JA, Raushel FM, Jacobson MP, Babbitt PC, Sali A. Target selection and annotation for the structural genomics of the amidohydrolase and enolase superfamilies. J Struct Funct Genomics. 2009 Apr; 10(2):107-25.
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      28. Atkinson HJ, Morris JH, Ferrin TE, Babbitt PC. Using sequence similarity networks for visualization of relationships across diverse protein superfamilies. PLoS One. 2009; 4(2):e4345.
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      29. Karp PD, Sherlock G, Gerlt JA, Sim I, Paulsen I, Babbitt PC, Laderoute K, Hunter L, Sternberg P, Wooley J, Bourne PE. Changes to NIH grant system may backfire. Science. 2008 Nov 21; 322(5905):1187-8.
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      30. Kalyanaraman C, Imker HJ, Fedorov AA, Fedorov EV, Glasner ME, Babbitt PC, Almo SC, Gerlt JA, Jacobson MP. Discovery of a dipeptide epimerase enzymatic function guided by homology modeling and virtual screening. Structure. 2008 Nov 12; 16(11):1668-77.
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      31. Rakus JF, Fedorov AA, Fedorov EV, Glasner ME, Hubbard BK, Delli JD, Babbitt PC, Almo SC, Gerlt JA. Evolution of enzymatic activities in the enolase superfamily: L-rhamnonate dehydratase. Biochemistry. 2008 Sep 23; 47(38):9944-54.
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      32. Chiang RA, Sali A, Babbitt PC. Evolutionarily conserved substrate substructures for automated annotation of enzyme superfamilies. PLoS Comput Biol. 2008; 4(8):e1000142.
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      33. Yoshikuni Y, Dietrich JA, Nowroozi FF, Babbitt PC, Keasling JD. Redesigning enzymes based on adaptive evolution for optimal function in synthetic metabolic pathways. Chem Biol. 2008 Jun; 15(6):607-18.
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      34. Nguyen TT, Brown S, Fedorov AA, Fedorov EV, Babbitt PC, Almo SC, Raushel FM. At the periphery of the amidohydrolase superfamily: Bh0493 from Bacillus halodurans catalyzes the isomerization of D-galacturonate to D-tagaturonate. Biochemistry. 2008 Jan 29; 47(4):1194-206.
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      35. Rakus JF, Fedorov AA, Fedorov EV, Glasner ME, Vick JE, Babbitt PC, Almo SC, Gerlt JA. Evolution of enzymatic activities in the enolase superfamily: D-Mannonate dehydratase from Novosphingobium aromaticivorans. Biochemistry. 2007 Nov 13; 46(45):12896-908.
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      36. Dvorák J, Mashiyama ST, Braschi S, Sajid M, Knudsen GM, Hansell E, Lim KC, Hsieh I, Bahgat M, Mackenzie B, Medzihradszky KF, Babbitt PC, Caffrey CR, McKerrow JH. Differential use of protease families for invasion by schistosome cercariae. Biochimie. 2008 Feb; 90(2):345-58.
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      37. Nord AS, Vranizan K, Tingley W, Zambon AC, Hanspers K, Fong LG, Hu Y, Bacchetti P, Ferrin TE, Babbitt PC, Doniger SW, Skarnes WC, Young SG, Conklin BR. Modeling insertional mutagenesis using gene length and expression in murine embryonic stem cells. PLoS One. 2007; 2(7):e617.
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      38. Morris JH, Huang CC, Babbitt PC, Ferrin TE. structureViz: linking Cytoscape and UCSF Chimera. Bioinformatics. 2007 Sep 1; 23(17):2345-7.
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      39. Song L, Kalyanaraman C, Fedorov AA, Fedorov EV, Glasner ME, Brown S, Imker HJ, Babbitt PC, Almo SC, Jacobson MP, Gerlt JA. Prediction and assignment of function for a divergent N-succinyl amino acid racemase. Nat Chem Biol. 2007 Aug; 3(8):486-91.
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      40. Ojha S, Meng EC, Babbitt PC. Evolution of function in the "two dinucleotide binding domains" flavoproteins. PLoS Comput Biol. 2007 Jul; 3(7):e121.
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      41. Hall RS, Brown S, Fedorov AA, Fedorov EV, Xu C, Babbitt PC, Almo SC, Raushel FM. Structural diversity within the mononuclear and binuclear active sites of N-acetyl-D-glucosamine-6-phosphate deacetylase. Biochemistry. 2007 Jul 10; 46(27):7953-62.
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      42. Nagatani RA, Gonzalez A, Shoichet BK, Brinen LS, Babbitt PC. Stability for function trade-offs in the enolase superfamily "catalytic module". Biochemistry. 2007 Jun 12; 46(23):6688-95.
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      43. Glasner ME, Gerlt JA, Babbitt PC. Mechanisms of protein evolution and their application to protein engineering. Adv Enzymol Relat Areas Mol Biol. 2007; 75:193-239, xii-xiii.
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      44. Harper CA, Huang CC, Stryke D, Kawamoto M, Ferrin TE, Babbitt PC. Comparison of methods for genomic localization of gene trap sequences. BMC Genomics. 2006; 7:236.
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      45. Glasner ME, Gerlt JA, Babbitt PC. Evolution of enzyme superfamilies. Curr Opin Chem Biol. 2006 Oct; 10(5):492-7.
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      46. Glasner ME, Fayazmanesh N, Chiang RA, Sakai A, Jacobson MP, Gerlt JA, Babbitt PC. Evolution of structure and function in the o-succinylbenzoate synthase/N-acylamino acid racemase family of the enolase superfamily. J Mol Biol. 2006 Jun 30; 360(1):228-50.
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      47. Brown S, Babbitt P. Using the Structure-function Linkage Database to characterize functional domains in enzymes. Curr Protoc Bioinformatics. 2006 Mar; Chapter 2:Unit 2.10.
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      48. Pegg SC, Brown SD, Ojha S, Seffernick J, Meng EC, Morris JH, Chang PJ, Huang CC, Ferrin TE, Babbitt PC. Leveraging enzyme structure-function relationships for functional inference and experimental design: the structure-function linkage database. Biochemistry. 2006 Feb 28; 45(8):2545-55.
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      49. Akana J, Fedorov AA, Fedorov E, Novak WR, Babbitt PC, Almo SC, Gerlt JA. D-Ribulose 5-phosphate 3-epimerase: functional and structural relationships to members of the ribulose-phosphate binding (beta/alpha)8-barrel superfamily. Biochemistry. 2006 Feb 28; 45(8):2493-503.
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      50. Brown SD, Gerlt JA, Seffernick JL, Babbitt PC. A gold standard set of mechanistically diverse enzyme superfamilies. Genome Biol. 2006; 7(1):R8.
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      51. Polacco BJ, Babbitt PC. Automated discovery of 3D motifs for protein function annotation. Bioinformatics. 2006 Mar 15; 22(6):723-30.
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      52. Nord AS, Chang PJ, Conklin BR, Cox AV, Harper CA, Hicks GG, Huang CC, Johns SJ, Kawamoto M, Liu S, Meng EC, Morris JH, Rossant J, Ruiz P, Skarnes WC, Soriano P, Stanford WL, Stryke D, von Melchner H, Wurst W, Yamamura K, Young SG, Babbitt PC, Ferrin TE. The International Gene Trap Consortium Website: a portal to all publicly available gene trap cell lines in mouse. Nucleic Acids Res. 2006 Jan 1; 34(Database issue):D642-8.
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      53. Pegg SC, Brown S, Ojha S, Huang CC, Ferrin TE, Babbitt PC. Representing structure-function relationships in mechanistically diverse enzyme superfamilies. Pac Symp Biocomput. 2005; 358-69.
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      54. Gerlt JA, Babbitt PC, Rayment I. Divergent evolution in the enolase superfamily: the interplay of mechanism and specificity. Arch Biochem Biophys. 2005 Jan 1; 433(1):59-70.
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      55. Babbitt PC, Bourne PE, Mooney SD. Introduction to informatics approaches in structural genomics: modeling and representation of function from macromolecular structure. Pac Symp Biocomput. 2005; 319-21.
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      56. Copley SD, Novak WR, Babbitt PC. Divergence of function in the thioredoxin fold suprafamily: evidence for evolution of peroxiredoxins from a thioredoxin-like ancestor. Biochemistry. 2004 Nov 9; 43(44):13981-95.
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      57. Novak WR, Wang PF, McLeish MJ, Kenyon GL, Babbitt PC. Isoleucine 69 and valine 325 form a specificity pocket in human muscle creatine kinase. Biochemistry. 2004 Nov 2; 43(43):13766-74.
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      58. Meng EC, Polacco BJ, Babbitt PC. Superfamily active site templates. Proteins. 2004 Jun 1; 55(4):962-76.
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      59. Pegg SC, Novak WR, Babbitt PC. Intersect: identification and visualization of overlaps in database search results. Bioinformatics. 2003 Oct 12; 19(15):1997-9.
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      60. Schmidt DM, Mundorff EC, Dojka M, Bermudez E, Ness JE, Govindarajan S, Babbitt PC, Minshull J, Gerlt JA. Evolutionary potential of (beta/alpha)8-barrels: functional promiscuity produced by single substitutions in the enolase superfamily. Biochemistry. 2003 Jul 22; 42(28):8387-93.
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      61. Babbitt PC. Definitions of enzyme function for the structural genomics era. Curr Opin Chem Biol. 2003 Apr; 7(2):230-7.
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      62. McLeish MJ, Kneen MM, Gopalakrishna KN, Koo CW, Babbitt PC, Gerlt JA, Kenyon GL. Identification and characterization of a mandelamide hydrolase and an NAD(P)+-dependent benzaldehyde dehydrogenase from Pseudomonas putida ATCC 12633. J Bacteriol. 2003 Apr; 185(8):2451-6.
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      63. Chiang RA, Meng EC, Huang CC, Ferrin TE, Babbitt PC. The Structure Superposition Database. Nucleic Acids Res. 2003 Jan 1; 31(1):505-10.
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      64. Brown S, Chang JL, Sadée W, Babbitt PC. A semiautomated approach to gene discovery through expressed sequence tag data mining: discovery of new human transporter genes. AAPS PharmSci. 2003; 5(1):E1.
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      65. Stryke D, Kawamoto M, Huang CC, Johns SJ, King LA, Harper CA, Meng EC, Lee RE, Yee A, L'Italien L, Chuang PT, Young SG, Skarnes WC, Babbitt PC, Ferrin TE. BayGenomics: a resource of insertional mutations in mouse embryonic stem cells. Nucleic Acids Res. 2003 Jan 1; 31(1):278-81.
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      66. Lahiri SD, Wang PF, Babbitt PC, McLeish MJ, Kenyon GL, Allen KN. The 2.1 A structure of Torpedo californica creatine kinase complexed with the ADP-Mg(2+)-NO(3)(-)-creatine transition-state analogue complex. Biochemistry. 2002 Nov 26; 41(47):13861-7.
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      67. Wang PF, Novak WR, Cantwell JS, Babbitt PC, McLeish MJ, Kenyon GL. Expression of Torpedo californica creatine kinase in Escherichia coli and purification from inclusion bodies. Protein Expr Purif. 2002 Oct; 26(1):89-95.
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      68. Wise E, Yew WS, Babbitt PC, Gerlt JA, Rayment I. Homologous (beta/alpha)8-barrel enzymes that catalyze unrelated reactions: orotidine 5'-monophosphate decarboxylase and 3-keto-L-gulonate 6-phosphate decarboxylase. Biochemistry. 2002 Mar 26; 41(12):3861-9.
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      69. Huang L, Jacob RJ, Pegg SC, Baldwin MA, Wang CC, Burlingame AL, Babbitt PC. Functional assignment of the 20 S proteasome from Trypanosoma brucei using mass spectrometry and new bioinformatics approaches. J Biol Chem. 2001 Jul 27; 276(30):28327-39.
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      70. Cantwell JS, Novak WR, Wang PF, McLeish MJ, Kenyon GL, Babbitt PC. Mutagenesis of two acidic active site residues in human muscle creatine kinase: implications for the catalytic mechanism. Biochemistry. 2001 Mar 13; 40(10):3056-61.
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      71. Gerlt JA, Babbitt PC. Divergent evolution of enzymatic function: mechanistically diverse superfamilies and functionally distinct suprafamilies. Annu Rev Biochem. 2001; 70:209-46.
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      72. Gerlt JA, Babbitt PC. Barrels in pieces? Nat Struct Biol. 2001 Jan; 8(1):5-7.
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      73. Banatao DR, Huang CC, Babbitt PC, Altman RB, Klein TE. ViewFeature: integrated feature analysis and visualization. Pac Symp Biocomput. 2001; 240-50.
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      74. Gerlt JA, Babbitt PC. Can sequence determine function? Genome Biol. 2000; 1(5):REVIEWS0005.
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      75. Babbitt PC. Reengineering the glutathione S-transferase scaffold: a rational design strategy pays off. Proc Natl Acad Sci U S A. 2000 Sep 12; 97(19):10298-300.
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      76. Babbitt PC, Gerlt JA. New functions from old scaffolds: how nature reengineers enzymes for new functions. Adv Protein Chem. 2000; 55:1-28.
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      77. Huang CC, Novak WR, Babbitt PC, Jewett AI, Ferrin TE, Klein TE. Integrated tools for structural and sequence alignment and analysis. Pac Symp Biocomput. 2000; 230-41.
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      78. Chen LH, White CB, Babbitt PC, McLeish MJ, Kenyon GL. A comparative study of human muscle and brain creatine kinases expressed in Escherichia coli. J Protein Chem. 2000 Jan; 19(1):59-66.
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      79. Pegg SC, Babbitt PC. Shotgun: getting more from sequence similarity searches. Bioinformatics. 1999 Sep; 15(9):729-40.
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      80. Xu L, Resing K, Lawson SL, Babbitt PC, Copley SD. Evidence that pcpA encodes 2,6-dichlorohydroquinone dioxygenase, the ring cleavage enzyme required for pentachlorophenol degradation in Sphingomonas chlorophenolica strain ATCC 39723. Biochemistry. 1999 Jun 15; 38(24):7659-69.
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      81. Palmer DR, Garrett JB, Sharma V, Meganathan R, Babbitt PC, Gerlt JA. Unexpected divergence of enzyme function and sequence: "N-acylamino acid racemase" is o-succinylbenzoate synthase. Biochemistry. 1999 Apr 6; 38(14):4252-8.
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      82. Gulick AM, Palmer DR, Babbitt PC, Gerlt JA, Rayment I. Evolution of enzymatic activities in the enolase superfamily: crystal structure of (D)-glucarate dehydratase from Pseudomonas putida. Biochemistry. 1998 Oct 13; 37(41):14358-68.
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      83. Hubbard BK, Koch M, Palmer DR, Babbitt PC, Gerlt JA. Evolution of enzymatic activities in the enolase superfamily: characterization of the (D)-glucarate/galactarate catabolic pathway in Escherichia coli. Biochemistry. 1998 Oct 13; 37(41):14369-75.
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      84. Gerlt JA, Babbitt PC. Mechanistically diverse enzyme superfamilies: the importance of chemistry in the evolution of catalysis. Curr Opin Chem Biol. 1998 Oct; 2(5):607-12.
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      85. Hasson MS, Schlichting I, Moulai J, Taylor K, Barrett W, Kenyon GL, Babbitt PC, Gerlt JA, Petsko GA, Ringe D. Evolution of an enzyme active site: the structure of a new crystal form of muconate lactonizing enzyme compared with mandelate racemase and enolase. Proc Natl Acad Sci U S A. 1998 Sep 1; 95(18):10396-401.
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      86. Baker AS, Ciocci MJ, Metcalf WW, Kim J, Babbitt PC, Wanner BL, Martin BM, Dunaway-Mariano D. Insights into the mechanism of catalysis by the P-C bond-cleaving enzyme phosphonoacetaldehyde hydrolase derived from gene sequence analysis and mutagenesis. Biochemistry. 1998 Jun 30; 37(26):9305-15.
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      87. Babbitt PC, Gerlt JA. Understanding enzyme superfamilies. Chemistry As the fundamental determinant in the evolution of new catalytic activities. J Biol Chem. 1997 Dec 5; 272(49):30591-4.
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      88. Zhang L, Dresser MJ, Chun JK, Babbitt PC, Giacomini KM. Cloning and functional characterization of a rat renal organic cation transporter isoform (rOCT1A). J Biol Chem. 1997 Jun 27; 272(26):16548-54.
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      89. Babbitt PC, Hasson MS, Wedekind JE, Palmer DR, Barrett WC, Reed GH, Rayment I, Ringe D, Kenyon GL, Gerlt JA. The enolase superfamily: a general strategy for enzyme-catalyzed abstraction of the alpha-protons of carboxylic acids. Biochemistry. 1996 Dec 24; 35(51):16489-501.
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      90. McCarthy DL, Navarrete S, Willett WS, Babbitt PC, Copley SD. Exploration of the relationship between tetrachlorohydroquinone dehalogenase and the glutathione S-transferase superfamily. Biochemistry. 1996 Nov 19; 35(46):14634-42.
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      91. Wood TD, Chen LH, White CB, Babbitt PC, Kenyon GL, McLafferty FW. Sequence verification of human creatine kinase (43 kDa) isozymes by high-resolution tandem mass spectrometry. Proc Natl Acad Sci U S A. 1995 Dec 5; 92(25):11451-5. Erratum in: Proc Natl Acad Sci U S A. 1996; 93(21):12051.
      92. White CB, Chen Q, Kenyon GL, Babbitt PC. A novel activity of OmpT. Proteolysis under extreme denaturing conditions. J Biol Chem. 1995 Jun 2; 270(22):12990-4.
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      93. Babbitt PC, Mrachko GT, Hasson MS, Huisman GW, Kolter R, Ringe D, Petsko GA, Kenyon GL, Gerlt JA. A functionally diverse enzyme superfamily that abstracts the alpha protons of carboxylic acids. Science. 1995 Feb 24; 267(5201):1159-61.
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      94. Dunaway-Mariano D, Babbitt PC. On the origins and functions of the enzymes of the 4-chlorobenzoate to 4-hydroxybenzoate converting pathway. Biodegradation. 1994 Dec; 5(3-4):259-76.
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      95. Mitra B, Gerlt JA, Babbitt PC, Koo CW, Kenyon GL, Joseph D, Petsko GA. A novel structural basis for membrane association of a protein: construction of a chimeric soluble mutant of (S)-mandelate dehydrogenase from Pseudomonas putida. Biochemistry. 1993 Dec 7; 32(48):12959-67.
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      96. Williams SE, Woolridge EM, Ransom SC, Landro JA, Babbitt PC, Kozarich JW. 3-Carboxy-cis,cis-muconate lactonizing enzyme from Pseudomonas putida is homologous to the class II fumarase family: a new reaction in the evolution of a mechanistic motif. Biochemistry. 1992 Oct 13; 31(40):9768-76.
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      97. White KC, Babbitt PC, Buechter DD, Kenyon GL. The principal islet of the Coho salmon (Oncorhyncus kisutch) contains the BB isoenzyme of creatine kinase. J Protein Chem. 1992 Oct; 11(5):489-94.
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      98. Babbitt PC, Kenyon GL, Martin BM, Charest H, Slyvestre M, Scholten JD, Chang KH, Liang PH, Dunaway-Mariano D. Ancestry of the 4-chlorobenzoate dehalogenase: analysis of amino acid sequence identities among families of acyl:adenyl ligases, enoyl-CoA hydratases/isomerases, and acyl-CoA thioesterases. Biochemistry. 1992 Jun 23; 31(24):5594-604.
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      99. Scholten JD, Chang KH, Babbitt PC, Charest H, Sylvestre M, Dunaway-Mariano D. Novel enzymic hydrolytic dehalogenation of a chlorinated aromatic. Science. 1991 Jul 12; 253(5016):182-5.
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      100. Chen LH, Babbitt PC, Vásquez JR, West BL, Kenyon GL. Cloning and expression of functional rabbit muscle creatine kinase in Escherichia coli. Addressing the problem of microheterogeneity. J Biol Chem. 1991 Jun 25; 266(18):12053-7.
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      101. Pocalyko DJ, Carroll LJ, Martin BM, Babbitt PC, Dunaway-Mariano D. Analysis of sequence homologies in plant and bacterial pyruvate phosphate dikinase, enzyme I of the bacterial phosphoenolpyruvate: sugar phosphotransferase system and other PEP-utilizing enzymes. Identification of potential catalytic and regulatory motifs. Biochemistry. 1990 Dec 4; 29(48):10757-65.
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      102. Tsou AY, Ransom SC, Gerlt JA, Buechter DD, Babbitt PC, Kenyon GL. Mandelate pathway of Pseudomonas putida: sequence relationships involving mandelate racemase, (S)-mandelate dehydrogenase, and benzoylformate decarboxylase and expression of benzoylformate decarboxylase in Escherichia coli. Biochemistry. 1990 Oct 23; 29(42):9856-62.
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      103. Babbitt PC, West BL, Buechter DD, Kuntz ID, Kenyon GL. Removal of a proteolytic activity associated with aggregates formed from expression of creatine kinase in Escherichia coli leads to improved recovery of active enzyme. Biotechnology (N Y). 1990 Oct; 8(10):945-9.
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      104. West BL, Babbitt PC, Mendez B, Baxter JD. Creatine kinase protein sequence encoded by a cDNA made from Torpedo californica electric organ mRNA. Proc Natl Acad Sci U S A. 1984 Nov; 81(22):7007-11.
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