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(-) Description

Title :  CRYSTAL STRUCTURE OF BARLEY THIOREDOXIN H ISOFORM 2 IN PARTIALLY RADIATION-REDUCED STATE
 
Authors :  K. Maeda, P. Hagglund, C. Finnie, B. Svensson, A. Henriksen
Date :  16 Jan 08  (Deposition) - 29 Apr 08  (Release) - 12 Jul 17  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Oxidoreductase, Thioredoxin-Fold, Protein Disulfide Reductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. Maeda, P. Hagglund, C. Finnie, B. Svensson, A. Henriksen
Crystal Structures Of Barley Thioredoxin H Isoforms Hvtrxh1 And Hvtrxh2 Reveal Features Involved In Protein Recognition And Possibly In Discriminating The Isoform Specificity.
Protein Sci. V. 17 1015 2008
PubMed-ID: 18424513  |  Reference-DOI: 10.1110/PS.083460308

(-) Compounds

Molecule 1 - THIOREDOXIN H ISOFORM 2.
    Chains: A, B
    EC Number: 1.8.1.9
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET11A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Variant: ROSETTA
    Organism Common: TWO-ROWED BARLEY
    Organism Scientific: HORDEUM VULGARE VAR. DISTICHUM
    Organism Taxid: 112509
    Synonym: THIOREDOXIN
    Variant: BARKE

 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  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 2VLU)

(-) Sites  (0, 0)

(no "Site" information available for 2VLU)

(-) SS Bonds  (2, 2)

Asymmetric Unit
No.Residues
1A:46 -A:49
2B:46 -B:49

(-) Cis Peptide Bonds  (2, 4)

Asymmetric Unit
No.Residues
1Met A:88 -Pro A:89
2Met B:88 -Pro B:89

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 2VLU)

(-) 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:111
 aligned with Q7XZK2_HORVV | Q7XZK2 from UniProtKB/TrEMBL  Length:122

    Alignment length:111
                                    21        31        41        51        61        71        81        91       101       111       121 
         Q7XZK2_HORVV    12 AEVISVHSLEQWTMQIEEANTAKKLVVIDFTASWCGPCRIMAPVFADLAKKFPNAVFLKVDVDELKPIAEQFSVEAMPTFLFMKEGDVKDRVVGAIKEELTAKVGLHAAAQ 122
               SCOP domains d2vlua_ A: automated matches                                                                                    SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eee.hhhhhhhhhhhhhhh...eeeeee...hhhhhhhhhhhhhhhhhh...eeeeee...hhhhhhhh......eeeeee..eeeeeee..hhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------- Transcript
                 2vlu A  12 AEVISVHSLEQWTMQIEEANTAKKLVVIDFTASWCGPCRIMAPVFADLAKKFPNAVFLKVDVDELKPIAEQFSVEAMPTFLFMKEGDVKDRVVGAIKEELTAKVGLHAAAQ 122
                                    21        31        41        51        61        71        81        91       101       111       121 


Chain B from PDB  Type:PROTEIN  Length:113
 aligned with Q7XZK2_HORVV | Q7XZK2 from UniProtKB/TrEMBL  Length:122

    Alignment length:113
                                    19        29        39        49        59        69        79        89        99       109       119   
         Q7XZK2_HORVV    10 VAAEVISVHSLEQWTMQIEEANTAKKLVVIDFTASWCGPCRIMAPVFADLAKKFPNAVFLKVDVDELKPIAEQFSVEAMPTFLFMKEGDVKDRVVGAIKEELTAKVGLHAAAQ 122
               SCOP domains d2vlub_ B: automated matches                                                                                      SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eee.hhhhhhhhhhhhhhh...eeeeee...hhhhhhhhhhhhhhhhhh...eeeeee...hhhhhhhh......eeeeee..eeeeeee..hhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------- Transcript
                 2vlu B  10 VAAEVISVHSLEQWTMQIEEANTAKKLVVIDFTASWCGPCRIMAPVFADLAKKFPNAVFLKVDVDELKPIAEQFSVEAMPTFLFMKEGDVKDRVVGAIKEELTAKVGLHAAAQ 122
                                    19        29        39        49        59        69        79        89        99       109       119
   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, 2)

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

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q7XZK2_HORVV | Q7XZK2)
molecular function
    GO:0015035    protein disulfide oxidoreductase activity    Catalysis of the reaction: a protein with reduced sulfide groups = a protein with oxidized disulfide bonds.
biological process
    GO:0045454    cell redox homeostasis    Any process that maintains the redox environment of a cell or compartment within a cell.
    GO:0006662    glycerol ether metabolic process    The chemical reactions and pathways involving glycerol ethers, any anhydride formed between two organic hydroxy compounds, one of which is glycerol.
    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.
cellular component
    GO:0005623    cell    The basic structural and functional unit of all organisms. Includes the plasma membrane and any external encapsulating structures such as the cell wall and cell envelope.

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  Cis Peptide Bonds
    Met A:88 - Pro A:89   [ RasMol ]  
    Met B:88 - Pro B:89   [ RasMol ]  
 
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 Related Entries

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UniProtKB/TrEMBL
        Q7XZK2_HORVV | Q7XZK2: 2iwt 2vlt 2vlv

(-) Related Entries Specified in the PDB File

2iwt THIOREDOXIN H2 (HVTRXH2) IN A MIXED DISULFIDE COMPLEX WITH THE TARGET PROTEIN BASI
2vlt CRYSTAL STRUCTURE OF BARLEY THIOREDOXIN H ISOFORM 2 IN THE OXIDIZED STATE
2vlv CRYSTAL STRUCTURE OF BARLEY THIOREDOXIN H ISOFORM 2 IN PARTIALLY RADIATION-REDUCED STATE