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(-) Description

Title :  MYCOBACTERIUM TUBERCULOSIS THIOREDOXIN C C40S MUTANT
 
Authors :  G. Hall, J. Emsley
Date :  25 Jun 10  (Deposition) - 10 Nov 10  (Release) - 05 Jan 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.60
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Electron Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  G. Hall, T. D. Bradshaw, C. A. Laughton, M. F. Stevens, J. Emsley
Structure Of Mycobacterium Tuberculosis Thioredoxin In Complex With Quinol Inhibitor Pmx464
Protein Sci. V. 20 210 2011
PubMed-ID: 20981751  |  Reference-DOI: 10.1002/PRO.533

(-) Compounds

Molecule 1 - THIOREDOXIN TRXC
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PGAT2
    Expression System Strain: BL-21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: TRXC
    Mutation: YES
    Organism Scientific: MYCOBACTERIUM TUBERCULOSIS
    Organism Taxid: 419947
    Strain: H37RA
    Synonym: THIOREDOXIN C

 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, 4)

Asymmetric Unit (1, 4)
No.NameCountTypeFull Name
1SCN4Ligand/IonTHIOCYANATE ION
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1SCN1Ligand/IonTHIOCYANATE ION
Biological Unit 2 (1, 3)
No.NameCountTypeFull Name
1SCN3Ligand/IonTHIOCYANATE ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREMET A:42 , GLY A:100 , HOH A:122 , HOH A:170BINDING SITE FOR RESIDUE SCN A 6121
2AC2SOFTWAREASP B:31 , TRP B:33 , CYS B:37 , SER B:40 , VAL B:43 , PRO B:81 , HOH B:125BINDING SITE FOR RESIDUE SCN B 6121
3AC3SOFTWAREARG B:73BINDING SITE FOR RESIDUE SCN B 117
4AC4SOFTWAREGLY B:100 , HOH B:152BINDING SITE FOR RESIDUE SCN B 118

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3NOF)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Ile A:80 -Pro A:81
2Ile B:80 -Pro B:81

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3NOF)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3NOF)

(-) Exons   (0, 0)

(no "Exon" information available for 3NOF)

(-) 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:106
 aligned with A5U9P2_MYCTA | A5U9P2 from UniProtKB/TrEMBL  Length:116

    Alignment length:106
                                    16        26        36        46        56        66        76        86        96       106      
         A5U9P2_MYCTA     7 SATIKVTDASFATDVLSSNKPVLVDFWATWCGPCKMVAPVLEEIATERATDLTVAKLDVDTNPETARNFQVVSIPTLILFKDGQPVKRIVGAKGKAALLRELSDVV 112
               SCOP domains d3nofa_ A: automated matches                                                                               SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...ee....hhhhhh......eeeeee...hhhhhhhhhhhhhhhhhh....eeeeee...hhhhhhhh......eeeeee..eeeeeee...hhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------- Transcript
                 3nof A   7 SATIKVTDASFATDVLSSNKPVLVDFWATWCGPSKMVAPVLEEIATERATDLTVAKLDVDTNPETARNFQVVSIPTLILFKDGQPVKRIVGAKGKAALLRELSDVV 112
                                    16        26        36        46        56        66        76        86        96       106      


Chain B from PDB  Type:PROTEIN  Length:107
 aligned with A5U9P2_MYCTA | A5U9P2 from UniProtKB/TrEMBL  Length:116

    Alignment length:107
                                    15        25        35        45        55        65        75        85        95       105       
         A5U9P2_MYCTA     6 KSATIKVTDASFATDVLSSNKPVLVDFWATWCGPCKMVAPVLEEIATERATDLTVAKLDVDTNPETARNFQVVSIPTLILFKDGQPVKRIVGAKGKAALLRELSDVV 112
               SCOP domains d3nofb_ B: automated matches                                                                                SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) --Thioredoxin-3nofB01 B:8-111                                                                             - Pfam domains (1)
           Pfam domains (2) --Thioredoxin-3nofB02 B:8-111                                                                             - Pfam domains (2)
         Sec.struct. author ....ee....hhhhhh......eeeeee.....hhhhhhhhhhhhhhhh....eeeeee...hhhhhhhh......eeeeee..eeeeeee...hhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------- Transcript
                 3nof B   6 KSATIKVTDASFATDVLSSNKPVLVDFWATWCGPSKMVAPVLEEIATERATDLTVAKLDVDTNPETARNFQVVSIPTLILFKDGQPVKRIVGAKGKAALLRELSDVV 112
                                    15        25        35        45        55        65        75        85        95       105
   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 3NOF)

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: Thioredoxin (367)

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (A5U9P2_MYCTA | A5U9P2)
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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 Related Entries

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

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(-) Related Entries Specified in the PDB File

2i1u WILD TYPE OF MYCOBACTERIUM TUBERCULOSIS THIOREDOXIN C
3o6t MYCOBACTERIUM TUBERCULOSIS THIOREDOXIN C C40S MUTANT IN COMPLEX WITH QUINOL INHIBITOR PMX464