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(-) Description

Title :  CRYSTAL STRUCTURE OF THE TELLURITE DETOXIFICATION PROTEIN TEHB FROM E. COLI IN COMPLEX WITH SAH
 
Authors :  H. G. Choudhury, A. D. Cameron, S. Iwata, K. Beis
Date :  26 Oct 10  (Deposition) - 16 Feb 11  (Release) - 06 Apr 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.48
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Antibiotic Resistance, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. G. Choudhury, A. D. Cameron, S. Iwata, K. Beis
Structure And Mechanism Of The Chalcogen Detoxifying Protein Tehb From Escherichia Coli.
Biochem. J. V. 435 85 2011
PubMed-ID: 21244361  |  Reference-DOI: 10.1042/BJ20102014

(-) Compounds

Molecule 1 - TELLURITE RESISTANCE PROTEIN TEHB
    Atcc: 700926
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector: PHISTEV
    Mutation: YES
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Strain: MG1655
    Synonym: TELLURITE METHYLTRANSFERASE

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1SAH2Ligand/IonS-ADENOSYL-L-HOMOCYSTEINE
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1SAH1Ligand/IonS-ADENOSYL-L-HOMOCYSTEINE
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1SAH1Ligand/IonS-ADENOSYL-L-HOMOCYSTEINE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:38 , GLY A:40 , ARG A:43 , ASN A:44 , ASP A:59 , LYS A:60 , VAL A:85 , ASP A:86 , LEU A:87 , ASN A:88 , THR A:102 , VAL A:103 , VAL A:104 , LEU A:108 , HOH A:2080 , HOH A:2130 , HOH A:2167 , HOH A:2266 , HOH A:2267 , HOH A:2268 , HOH A:2269BINDING SITE FOR RESIDUE SAH A1198
2AC2SOFTWAREGLY B:38 , GLY B:40 , ARG B:43 , ASN B:44 , ASP B:59 , LYS B:60 , VAL B:85 , ASP B:86 , LEU B:87 , ASN B:88 , THR B:102 , VAL B:103 , VAL B:104 , PHE B:107 , LEU B:108 , HOH B:2048 , HOH B:2054 , HOH B:2096 , HOH B:2242 , HOH B:2243BINDING SITE FOR RESIDUE SAH B1198

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 2XVM)

(-) 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:198
 aligned with TEHB_ECOLI | P25397 from UniProtKB/Swiss-Prot  Length:197

    Alignment length:198
                             1                                                                                                                                                                                                    
                             |       9        19        29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189        
           TEHB_ECOLI     - -MIIRDENYFTDKYELTRTHSEVLEAVKVVKPGKTLDLGCGNGRNSLYLAANGYDVDAWDKNAMSIANVERIKSIENLDNLHTRVVDLNNLTFDRQYDFILSTVVLMFLEAKTIPGLIANMQRCTKPGGYNLIVAAMDTADYPCTVGFPFAFKEGELRRYYEGWERVKYNEDVGELHRTDANGNRIKLRFATMLARKK 197
               SCOP domains d2xvma_ A: automated matches                                                                                                                                                                           SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhh....hhhhhhhh......eeeee....hhhhhhhhhh..eeeeee.hhhhhhhhhhhhhhhh...eeeee.hhhhh.....eeeeeee.hhhhhhhhhhhhhhhhhhhheeeeeeeeeeee..................hhhhhhh...eeeeee..eeeeeee.....eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2xvm A   0 AMVIRDENYFTDKYELTRTHSEVLEAVKVVKPGKTLDLGCGNGRNSLYLAANGYDVDAWDKNAMSIANVERIKSIENLDNLHTRVVDLNNLTFDRQYDFILSTVVLMFLEAKTIPGLIANMQRCTKPGGYNLIVAAMDTADYPCTVGFPFAFKEGELRRYYEGWERVKYNEDVGELHRTDANGNRIKLRFATMLARKK 197
                                     9        19        29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189        


Chain B from PDB  Type:PROTEIN  Length:194
 aligned with TEHB_ECOLI | P25397 from UniProtKB/Swiss-Prot  Length:197

    Alignment length:194
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193    
           TEHB_ECOLI     4 RDENYFTDKYELTRTHSEVLEAVKVVKPGKTLDLGCGNGRNSLYLAANGYDVDAWDKNAMSIANVERIKSIENLDNLHTRVVDLNNLTFDRQYDFILSTVVLMFLEAKTIPGLIANMQRCTKPGGYNLIVAAMDTADYPCTVGFPFAFKEGELRRYYEGWERVKYNEDVGELHRTDANGNRIKLRFATMLARKK 197
               SCOP domains d2xvmb_ B: automated matches                                                                                                                                                                       SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) TehB-2xvmB01 B:4-193                                                                                                                                                                          ---- Pfam domains (1)
           Pfam domains (2) TehB-2xvmB02 B:4-193                                                                                                                                                                          ---- Pfam domains (2)
         Sec.struct. author ...hhhhhhhh....hhhhhhhh......eeeee....hhhhhhhhhh..eeeeee.hhhhhhhhhhhhhhh....eeeee.hhhhh.....eeeeeee.hhhhh..hhhhhhhhhhhhheeeeeeeeeeee..................hhhhhhh...eeeeee..eeeeeee.....eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2xvm B   4 RDENYFTDKYELTRTHSEVLEAVKVVKPGKTLDLGCGNGRNSLYLAANGYDVDAWDKNAMSIANVERIKSIENLDNLHTRVVDLNNLTFDRQYDFILSTVVLMFLEAKTIPGLIANMQRCTKPGGYNLIVAAMDTADYPCTVGFPFAFKEGELRRYYEGWERVKYNEDVGELHRTDANGNRIKLRFATMLARKK 197
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 2)

Asymmetric Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: NADP_Rossmann (1239)

(-) Gene Ontology  (9, 9)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (TEHB_ECOLI | P25397)
molecular function
    GO:0008757    S-adenosylmethionine-dependent methyltransferase activity    Catalysis of the transfer of a methyl group from S-adenosyl-L-methionine to a substrate.
    GO:0008168    methyltransferase activity    Catalysis of the transfer of a methyl group to an acceptor molecule.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0032259    methylation    The process in which a methyl group is covalently attached to a molecule.
    GO:0046677    response to antibiotic    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.
    GO:0046690    response to tellurium ion    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a tellurium ion stimulus.
    GO:0009636    response to toxic substance    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a toxic stimulus.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        TEHB_ECOLI | P25397: 2xva

(-) Related Entries Specified in the PDB File

2xva CRYSTAL STRUCTURE OF THE TELLURITE DETOXIFICATION PROTEIN TEHB FROM E. COLI IN COMPLEX WITH SINEFUNGIN