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(-) Description

Title :  STRUCTURE OF AN M.TUBERCULOSIS LEH-LIKE EPOXIDE HYDROLASE
 
Authors :  P. Johansson, M. Arand, T. Unge, T. Bergfors, T. A. Jones, S. L. Mowbray
Date :  24 Mar 05  (Deposition) - 03 Aug 05  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.50
Chains :  Asym. Unit :  A,B,C
Biol. Unit 1:  A,B,C  (2x)
Keywords :  M. Tuberculosis, Epoxide Hydrolase, Limonene, Hydrolase, Structural Proteomics In Europe, Spine, Structural Genomics (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. Johansson, T. Unge, A. Cronin, M. Arand, T. Bergfors, T. A. Jones, S. L. Mowbray
Structure Of An Atypical Epoxide Hydrolase From Mycobacterium Tuberculosis Gives Insights Into Its Function.
J. Mol. Biol. V. 351 1048 2005
PubMed-ID: 16051262  |  Reference-DOI: 10.1016/J.JMB.2005.06.055

(-) Compounds

Molecule 1 - MB2760
    Chains: A, B, C
    EC Number: 3.3.2.8
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Organism Scientific: MYCOBACTERIUM TUBERCULOSIS
    Organism Taxid: 83332
    Other Details: ENDOGENOUS LIGAND OF UNKNOWN ORIGIN BOUND IN THE ACTIVE SITE
    Strain: H37RV
    Synonym: LEH-LIKE EPOXIDE HYDROLASE

 Structural Features

(-) Chains, Units

  123
Asymmetric Unit : ABC
Biological Unit 1 (2x): ABC

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 8)

Asymmetric Unit (2, 8)
No.NameCountTypeFull Name
1CA2Ligand/IonCALCIUM ION
2MSE6Mod. Amino AcidSELENOMETHIONINE
Biological Unit 1 (1, 12)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2MSE12Mod. Amino AcidSELENOMETHIONINE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:42 , GLU B:13 , ASP B:114BINDING SITE FOR RESIDUE CA B1145
2AC2SOFTWAREGLN B:29 , GLU C:31 , GLN C:68BINDING SITE FOR RESIDUE CA B1146

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2BNG)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2BNG)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2BNG)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2BNG)

(-) Exons   (0, 0)

(no "Exon" information available for 2BNG)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:132
 aligned with EPHG_MYCTU | O33283 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:132
                                    22        32        42        52        62        72        82        92       102       112       122       132       142  
           EPHG_MYCTU    13 ETTEAIRAVEAFLNALQNEDFDTVDAALGDDLVYENVGFSRIRGGRRTATLLRRMQGRVGFEVKIHRIGADGAAVLTERTDALIIGPLRVQFWVCGVFEVDDGRITLWRDYFDVYDMFKGLLRGLVALVVPS 144
               SCOP domains d2bnga1 A:13-144 Uncharacterized protein Mb2760                                                                                      SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhheeeeeeeee...eeeehhhhhhhhhhh.....eeeeeeeeeeee..eeeeeeeeeeee..eeeeeeeeeeeeee..eeeeeeee.hhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2bng A  13 ETTEAIRAVEAFLNALQNEDFDTVDAALGDDLVYENVGFSRIRGGRRTATLLRRmQGRVGFEVKIHRIGADGAAVLTERTDALIIGPLRVQFWVCGVFEVDDGRITLWRDYFDVYDmFKGLLRGLVALVVPS 144
                                    22        32        42        52        62    |   72        82        92       102       112       122      |132       142  
                                                                                 67-MSE                                                       129-MSE           


Chain B from PDB  Type:PROTEIN  Length:133
 aligned with EPHG_MYCTU | O33283 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:133
                                    21        31        41        51        61        71        81        91       101       111       121       131       141   
           EPHG_MYCTU    12 PETTEAIRAVEAFLNALQNEDFDTVDAALGDDLVYENVGFSRIRGGRRTATLLRRMQGRVGFEVKIHRIGADGAAVLTERTDALIIGPLRVQFWVCGVFEVDDGRITLWRDYFDVYDMFKGLLRGLVALVVPS 144
               SCOP domains d2bngb_ B: automated matches                                                                                                          SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhheeeeeeeee...eeeehhhhhhhhhhh.....eeeeeeeeeeee..eeeeeeeeeeee..eeeeeeeeeeeeee..eeeeeeee......hhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2bng B  12 PETTEAIRAVEAFLNALQNEDFDTVDAALGDDLVYENVGFSRIRGGRRTATLLRRmQGRVGFEVKIHRIGADGAAVLTERTDALIIGPLRVQFWVCGVFEVDDGRITLWRDYFDVYDmFKGLLRGLVALVVPS 144
                                    21        31        41        51        61     |  71        81        91       101       111       121       131       141   
                                                                                  67-MSE                                                       129-MSE           


Chain C from PDB  Type:PROTEIN  Length:140
 aligned with EPHG_MYCTU | O33283 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:140
                                    19        29        39        49        59        69        79        89        99       109       119       129       139       149
           EPHG_MYCTU    10 ETPETTEAIRAVEAFLNALQNEDFDTVDAALGDDLVYENVGFSRIRGGRRTATLLRRMQGRVGFEVKIHRIGADGAAVLTERTDALIIGPLRVQFWVCGVFEVDDGRITLWRDYFDVYDMFKGLLRGLVALVVPSLKATL 149
               SCOP domains d2bngc_ C: automated matches                                                                                                                 SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhhhhhhhhheeeeeeeee...eeeehhhhhhhhhhh.....eeeeeeeeeeee..eeeeeeeeeeee..eeeeeeeeeeeeee..eeeeeeee.hhhhhhhhhhhhhhhh.hhhhh... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2bng C  10 ETPETTEAIRAVEAFLNALQNEDFDTVDAALGDDLVYENVGFSRIRGGRRTATLLRRmQGRVGFEVKIHRIGADGAAVLTERTDALIIGPLRVQFWVCGVFEVDDGRITLWRDYFDVYDmFKGLLRGLVALVVPSLKATL 149
                                    19        29        39        49        59       |69        79        89        99       109       119       129       139       149
                                                                                    67-MSE                                                       129-MSE
   Legend:   → Mismatch (orange background)
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (2, 3)

Asymmetric Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2BNG)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2BNG)

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C   (EPHG_MYCTU | O33283)
molecular function
    GO:0033963    cholesterol-5,6-oxide hydrolase activity    Catalysis of the reactions: 5,6alpha-epoxy-5alpha-cholestan-3beta-ol + H2O = cholestane-3beta-5alpha,6beta-triol, and 5,6beta-epoxy-5beta-cholestan-3beta-ol + H2O = cholestane-3beta-5alpha,6beta-triol.
    GO:0004301    epoxide hydrolase activity    Catalysis of the reaction: an epoxide + H2O = a glycol.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
biological process
    GO:0097176    epoxide metabolic process    The chemical reactions and pathways involving epoxides, compounds in which an oxygen atom is directly attached to two adjacent or non-adjacent carbon atoms of a carbon chain or ring system; thus cyclic ethers.
cellular component
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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