Display options
Share it on

3 Biotech. 2015 Oct;5(5):741-763. doi: 10.1007/s13205-014-0274-1. Epub 2014 Dec 28.

Structure-based function analysis of putative conserved proteins with isomerase activity from Haemophilus influenzae.

3 Biotech

Mohd Shahbaaz, Faizan Ahmad, Md Imtaiyaz Hassan

Affiliations

  1. Department of Computer Science, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India.
  2. Center for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India.
  3. Center for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India. [email protected].

PMID: 28324524 PMCID: PMC4569619 DOI: 10.1007/s13205-014-0274-1

Abstract

Haemophilus influenzae, a Gram-negative bacterium and a member of the family Pasteurellaceae, causes chronic bronchitis, bacteremia, meningitis, etc. The H. influenzae is the first organism whose genome was completely sequenced and annotated. Here, we have extensively analyzed the genome of H. influenzae using available proteins structure and function analysis tools. The objective of this analysis is to assign a precise function to hypothetical proteins (HPs) whose functions are not determined so far. Function prediction of these proteins is helpful in precise understanding of mechanisms of pathogenesis and biochemical pathways important for selecting novel therapeutic target. After an extensive analysis of H. Influenzae genome we have found 13 HPs showing high level of sequence and structural similarity to the enzyme isomerase. Consequently, the structures of HPs have been modeled and analyzed to determine their precise functions. We found these HPs are alanine racemase, lysine 2, 3-aminomutase, topoisomerase DNA-binding C4 zinc finger, pseudouridine synthase B, C and E (Rlu B, C and E), hydroxypyruvate isomerase, nucleoside-diphosphate-sugar epimerase, amidophosphoribosyltransferase, aldose-1-epimerase, tautomerase/MIF, Xylose isomerase-like, have TIM barrel domain and sedoheptulose-7-phosphate isomerase like activity, signifying their corresponding functions in the H. influenzae. This work provides a better understanding of the role HPs with isomerase activities in the survival and pathogenesis of H. influenzae.

Keywords: Haemophilus influenza; Hypothetical protein; Isomerase activity; Structure analysis; Structure prediction; Structure–function relationship

References

  1. Curr Opin Biotechnol. 2000 Feb;11(1):31-5 - PubMed
  2. Infect Immun. 2000 May;68(5):2594-601 - PubMed
  3. J Antimicrob Chemother. 2000 May;45(5):599-604 - PubMed
  4. Annu Rev Biophys Biomol Struct. 2000;29:291-325 - PubMed
  5. J Mol Med (Berl). 2000;78(5):269-81 - PubMed
  6. FEBS Lett. 2000 Aug 25;480(1):42-8 - PubMed
  7. J Mol Biol. 2001 Jan 19;305(3):567-80 - PubMed
  8. Trends Plant Sci. 2001 Feb;6(2):78-84 - PubMed
  9. Protein Sci. 2000 Dec;9(12):2344-53 - PubMed
  10. FEBS Lett. 2001 Mar 16;492(3):193-8 - PubMed
  11. Annu Rev Biochem. 2001;70:369-413 - PubMed
  12. Clin Microbiol Infect. 2001 Jun;7(6):287-90 - PubMed
  13. Brief Bioinform. 2001 May;2(2):195-7 - PubMed
  14. Science. 2001 Oct 5;294(5540):93-6 - PubMed
  15. Bioinformatics. 2001 Sep;17(9):849-50 - PubMed
  16. J Mol Biol. 2001 Nov 2;313(4):903-19 - PubMed
  17. RNA. 2001 Nov;7(11):1603-15 - PubMed
  18. J Chemother. 1991 Jan;3 Suppl 1:155-7 - PubMed
  19. DNA Cell Biol. 2002 Apr;21(4):281-95 - PubMed
  20. Nat Rev Drug Discov. 2002 Jul;1(7):493-502 - PubMed
  21. Brief Bioinform. 2002 Sep;3(3):225-35 - PubMed
  22. Biochemistry. 2002 Oct 8;41(40):12010-24 - PubMed
  23. Genome Res. 2002 Oct;12(10):1619-23 - PubMed
  24. RNA. 2002 Oct;8(10):1253-66 - PubMed
  25. RNA. 2003 May;9(5):574-85 - PubMed
  26. Curr Opin Chem Biol. 2003 Apr;7(2):252-64 - PubMed
  27. Nucleic Acids Res. 2003 Jul 1;31(13):3692-7 - PubMed
  28. J Mol Biol. 1963 Jul;7:95-9 - PubMed
  29. Mol Cell. 2003 Sep;12(3):689-98 - PubMed
  30. Microb Pathog. 2004 Jan;36(1):25-33 - PubMed
  31. Curr Opin Microbiol. 2004 Apr;7(2):185-91 - PubMed
  32. Environ Microbiol. 2004 Jun;6(6):552-67 - PubMed
  33. Nucleic Acids Res. 2004 Jul 1;32(Web Server issue):W500-2 - PubMed
  34. Nucleic Acids Res. 2004 Jul 1;32(Web Server issue):W526-31 - PubMed
  35. J Endocrinol. 2004 Jul;182(1):1-9 - PubMed
  36. J Biol Chem. 2004 Oct 29;279(44):46153-61 - PubMed
  37. Nature. 1992 Mar 5;356(6364):83-5 - PubMed
  38. Nucleic Acids Res. 2004 Oct 12;32(18):5452-63 - PubMed
  39. Nucleic Acids Res. 2004 Dec 01;32(21):6321-6 - PubMed
  40. Microbiology. 2004 Dec;150(Pt 12):3923-33 - PubMed
  41. Nucleic Acids Res. 2005 Jan 1;33(Database issue):D226-9 - PubMed
  42. Nucleic Acids Res. 2005 Jan 1;33(Database issue):D284-8 - PubMed
  43. Bioinformatics. 2005 May 15;21(10):2522-4 - PubMed
  44. Bioinformatics. 2005 May 1;21(9):1908-16 - PubMed
  45. Clin Chest Med. 2005 Mar;26(1):47-55 - PubMed
  46. Microbiology. 2005 May;151(Pt 5):1593-605 - PubMed
  47. Nucleic Acids Res. 2005 Jul 1;33(Web Server issue):W116-20 - PubMed
  48. Nucleic Acids Res. 2005 Jul 1;33(Web Server issue):W244-8 - PubMed
  49. Nucleic Acids Res. 2005 Jul 1;33(Web Server issue):W89-93 - PubMed
  50. Proc Natl Acad Sci U S A. 2005 Sep 27;102(39):13819-24 - PubMed
  51. BMC Microbiol. 2005 Oct 07;5:58 - PubMed
  52. FEMS Microbiol Lett. 2005 Dec 15;253(2):193-9 - PubMed
  53. Infect Immun. 2006 Jan;74(1):537-48 - PubMed
  54. Curr Opin Pulm Med. 2006 Mar;12(2):118-24 - PubMed
  55. Proc Natl Acad Sci U S A. 2006 Apr 4;103(14):5361-6 - PubMed
  56. Genomics Proteomics Bioinformatics. 2006 Feb;4(1):42-7 - PubMed
  57. Proteins. 2006 Aug 15;64(3):643-51 - PubMed
  58. J Biol Chem. 2006 Oct 6;281(40):30175-85 - PubMed
  59. Acta Crystallogr D Biol Crystallogr. 2007 Feb;63(Pt 2):197-205 - PubMed
  60. J Leukoc Biol. 2007 Feb;81(2):393-400 - PubMed
  61. Infect Disord Drug Targets. 2007 Mar;7(1):19-27 - PubMed
  62. Clin Microbiol Rev. 2007 Apr;20(2):368-89 - PubMed
  63. Nat Protoc. 2007;2(4):953-71 - PubMed
  64. Chem Biol Drug Des. 2007 Sep;70(3):261-7 - PubMed
  65. J Pept Sci. 2007 Dec;13(12):849-55 - PubMed
  66. J Biol Chem. 2008 Feb 1;283(5):2835-45 - PubMed
  67. Pediatr Infect Dis J. 2008 Jan;27(1):49-53 - PubMed
  68. BMC Bioinformatics. 2008 Jan 28;9:62 - PubMed
  69. Crit Rev Biochem Mol Biol. 2008 Jan-Feb;43(1):63-88 - PubMed
  70. Curr Protoc Bioinformatics. 2006 Oct;Chapter 5:Unit-5.6 - PubMed
  71. Comp Funct Genomics. 2001;2(1):14-8 - PubMed
  72. J Mol Biol. 2008 Dec 19;384(3):663-72 - PubMed
  73. J Comput Chem. 2009 Jul 30;30(10):1545-614 - PubMed
  74. Nucleic Acids Res. 2009 Jul;37(Web Server issue):W202-8 - PubMed
  75. Proteins. 2009 Nov 15;77(3):499-508 - PubMed
  76. Proteins. 2009 Dec;77(4):778-95 - PubMed
  77. Bioinformatics. 2010 Jan 1;26(1):46-52 - PubMed
  78. Nat Protoc. 2010 Apr;5(4):725-38 - PubMed
  79. Bioinformatics. 2010 Jul 1;26(13):1608-15 - PubMed
  80. Nucleic Acids Res. 2010 Jul;38(Web Server issue):W469-73 - PubMed
  81. Nucleic Acids Res. 2011 Jan;39(Database issue):D561-8 - PubMed
  82. Adv Protein Chem Struct Biol. 2011;83:223-70 - PubMed
  83. Nucleic Acids Res. 2011 Jul;39(Web Server issue):W235-41 - PubMed
  84. Nucleic Acids Res. 2012 Jan;40(Database issue):D370-6 - PubMed
  85. Nucleic Acids Res. 2012 Jan;40(Database issue):D302-5 - PubMed
  86. Nucleic Acids Res. 2012 Jan;40(Database issue):D313-20 - PubMed
  87. Nucleic Acids Res. 2012 Jan;40(Database issue):D290-301 - PubMed
  88. Methods Mol Biol. 2012;815:25-38 - PubMed
  89. J Mol Biol. 1990 Oct 5;215(3):403-10 - PubMed
  90. Infect Immun. 2012 May;80(5):1728-35 - PubMed
  91. Nucleic Acids Res. 2012 Jul;40(Web Server issue):W471-7 - PubMed
  92. J Mol Graph. 1990 Mar;8(1):52-6, 29 - PubMed
  93. Folia Med (Plovdiv). 2012 Jan-Mar;54(1):19-23 - PubMed
  94. Microb Drug Resist. 2013 Feb;19(1):1-5 - PubMed
  95. Nucleic Acids Res. 2013 Jan;41(Database issue):D490-8 - PubMed
  96. J Nat Sci Biol Med. 2013 Jan;4(1):51-6 - PubMed
  97. Appl Microbiol. 1975 Jun;29(6):745-50 - PubMed
  98. Bioinformatics. 2013 Oct 15;29(20):2588-95 - PubMed
  99. Proc Natl Acad Sci U S A. 2013 Sep 17;110(38):E3587-94 - PubMed
  100. Nucleic Acids Res. 2014 Feb;42(3):2037-48 - PubMed
  101. PLoS One. 2013 Nov 19;8(11):e79687 - PubMed
  102. PLoS One. 2013 Dec 31;8(12):e84263 - PubMed
  103. Gene. 2014 Jun 10;543(1):93-100 - PubMed
  104. J Mol Biol. 1989 Jul 5;208(1):1-22 - PubMed
  105. 3 Biotech. 2015 Jun;5(3):317-336 - PubMed
  106. 3 Biotech. 2015 Aug;5(4):561-576 - PubMed
  107. J Biol Chem. 1988 Nov 5;263(31):15857-9 - PubMed
  108. EMBO J. 1986 Apr;5(4):823-6 - PubMed
  109. Arch Biochem Biophys. 1978 Jan 30;185(2):584-91 - PubMed
  110. Rev Infect Dis. 1984 Mar-Apr;6 Suppl 1:S21-4 - PubMed
  111. Biochim Biophys Acta. 1980 Jun 13;613(2):556-62 - PubMed
  112. Science. 1995 Jul 28;269(5223):496-512 - PubMed
  113. Protein Sci. 1993 Sep;2(9):1511-9 - PubMed
  114. Nature. 1996 May 23;381(6580):272 - PubMed
  115. Nucleic Acids Res. 1996 Oct 1;24(19):3756-62 - PubMed
  116. J Mol Biol. 1996 Nov 22;264(1):121-36 - PubMed
  117. J Biomol NMR. 1996 Dec;8(4):477-86 - PubMed
  118. Nucleic Acids Res. 1997 Sep 1;25(17):3389-402 - PubMed
  119. Mol Microbiol. 1997 Sep;25(5):979-87 - PubMed
  120. Methods Enzymol. 1997;277:396-404 - PubMed
  121. Trends Biochem Sci. 1997 Nov;22(11):442-4 - PubMed
  122. Infect Immun. 1998 May;66(5):2330-6 - PubMed
  123. Plant J. 1998 Mar;13(5):641-52 - PubMed
  124. Nucleic Acids Res. 1999 Jan 1;27(1):254-6 - PubMed

Publication Types