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(-) Description

Title :  CRYSTAL STRUCTURE OF A THIOREDOXIN-LIKE PROTEIN FROM THERMUS THERMOPHILUS HB8
 
Authors :  A. Ebihara, S. Yokoyama, S. Kuramitsu, Riken Structural Genomics/P Initiative (Rsgi)
Date :  01 Jun 05  (Deposition) - 01 Dec 05  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  A
Keywords :  Thioredoxin, Redox Protein, Structural Genomics, Riken Structural Genomics/Proteomics Initiative, Rsgi, Unknown Function (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Ebihara, S. Yokoyama, S. Kuramitsu
Crystal Structure Of A Thioredoxin-Like Protein From Thermu Thermophilus Hb8
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - PROBABLE THIOL-DISULFIDE ISOMERASE/THIOREDOXIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET11A
    Expression System Strain: B834(DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Organism Scientific: THERMUS THERMOPHILUS
    Organism Taxid: 300852
    Strain: HB8
    Synonym: THIOREDOXIN-LIKE PROTEIN

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1MSE2Mod. Amino AcidSELENOMETHIONINE

(-) Sites  (0, 0)

(no "Site" information available for 2CVB)

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:45 -A:173

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Thr A:117 -Pro A:118

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 2CVB)

(-) Sequences/Alignments

Asymmetric/Biological 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:187
 aligned with Q5SKQ0_THET8 | Q5SKQ0 from UniProtKB/TrEMBL  Length:188

    Alignment length:187
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       
         Q5SKQ0_THET8     2 LQYPELPLESPLIDAELPDPRGGRYRLSQFHEPLLAVVFMCNHCPYVKGSIGELVALAERYRGKVAFVGINANDYEKYPEDAPEKMAAFAEEHGIFFPYLLDETQEVAKAYRALRTPEVFLFDERRLLRYHGRVNDNPKDPSKVQSHDLEAAIEALLRGEEPPLKEAPAIGCTIKWRPGNEPEVRIG 188
               SCOP domains d2cvba1 A:2-188 Probable thiol-disulfide isomerase/thioredoxin TTHA0593                                                                                                                     SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...............eee.....eee.hhh...eeeeeee...hhhhhhhhhhhhhhhhhh...eeeeeee......hhhhhhhhhhhhhhhhh....eee...hhhhhhh...ee.eeeee.....eeeee.......hhhhh..hhhhhhhhhhhh.............ee.............. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2cvb A   2 LQYPELPLESPLIDAELPDPRGGRYRLSQFHEPLLAVVFmCNHCPYVKGSIGELVALAERYRGKVAFVGINANDYEKYPEDAPEKmAAFAEEHGIFFPYLLDETQEVAKAYRALRTPEVFLFDERRLLRYHGRVNDNPKDPSKVQSHDLEAAIEALLRGEEPPLKEAPAIGCTIKWRPGNEPEVRIG 188
                                    11        21        31        41        51        61        71        81     |  91       101       111       121       131       141       151       161       171       181       
                                                                  41-MSE                                        87-MSE
   Legend:   → Mismatch (orange background)
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  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, 1)

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

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (Q5SKQ0_THET8 | Q5SKQ0)
molecular function
    GO:0016209    antioxidant activity    Inhibition of the reactions brought about by dioxygen (O2) or peroxides. Usually the antioxidant is effective because it can itself be more easily oxidized than the substance protected. The term is often applied to components that can trap free radicals, thereby breaking the chain reaction that normally leads to extensive biological damage.
    GO:0016853    isomerase activity    Catalysis of the geometric or structural changes within one molecule. Isomerase is the systematic name for any enzyme of EC class 5.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
biological process
    GO:0098869    cellular oxidant detoxification    Any process carried out at the cellular level that reduces or removes the toxicity superoxide radicals or hydrogen peroxide.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.

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 Related Entries

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UniProtKB/TrEMBL
        Q5SKQ0_THET8 | Q5SKQ0: 2ywo

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