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(-) Description

Title :  STRUCTURE OF N-TERMINAL HEXAHEME FRAGMENT OF GSU1996
 
Authors :  P. R. Pokkuluri, M. Schiffer
Date :  15 Sep 10  (Deposition) - 29 Dec 10  (Release) - 30 Mar 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  A  (2x)
Keywords :  Multiheme Cytochrome C, Electron Transfer, Fe Reduction, Geobacter Sulfurreducens, Cytochrome C7 (C3) Fold, Electron Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. R. Pokkuluri, Y. Y. Londer, N. E. Duke, M. Pessanha, X. Yang, V. Orshonsky, L. Orshonsky, J. Erickson, Y. Zagyanskiy, C. A. Salgueiro, M. Schiffer
Structure Of A Novel Dodecaheme Cytochrome C From Geobacter Sulfurreducens Reveals An Extended 12Nm Protein With Interacting Hemes.
J. Struct. Biol. V. 174 223 2011
PubMed-ID: 21130881  |  Reference-DOI: 10.1016/J.JSB.2010.11.022
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CYTOCHROME C FAMILY PROTEIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: BL21 (DE3)
    Expression System Taxid: 469008
    Fragment: N-TERMINAL HEXAHEME FRAGMENT (UNP RESIDUES 26-186)
    Gene: GSU1996
    Organism Scientific: GEOBACTER SULFURREDUCENS
    Organism Taxid: 35554
    Strain: PCA

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (1x): A
Biological Unit 2 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 6)

Asymmetric Unit (1, 6)
No.NameCountTypeFull Name
1HEM6Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
Biological Unit 1 (1, 6)
No.NameCountTypeFull Name
1HEM6Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
Biological Unit 2 (1, 12)
No.NameCountTypeFull Name
1HEM12Ligand/IonPROTOPORPHYRIN IX CONTAINING FE

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREVAL A:6 , PHE A:18 , HIS A:20 , HIS A:23 , LEU A:24 , CYS A:31 , CYS A:34 , HIS A:35 , PHE A:39 , LEU A:41 , GLU A:133 , ALA A:151 , HEM A:606BINDING SITE FOR RESIDUE HEM A 601
2AC2SOFTWAREPHE A:8 , PHE A:18 , ILE A:22 , HIS A:23 , TYR A:27 , CYS A:34 , LEU A:38 , CYS A:58 , CYS A:61 , HIS A:62 , ALA A:67 , PHE A:68 , ARG A:78 , PRO A:106 , MET A:107 , GLU A:109 , HOH A:201 , HOH A:213BINDING SITE FOR RESIDUE HEM A 602
3AC3SOFTWAREARG A:46 , TYR A:47 , THR A:48 , MET A:49 , MET A:52 , HIS A:62 , VAL A:70 , GLN A:75 , CYS A:76 , CYS A:79 , HIS A:80 , CYS A:112 , ARG A:113 , HIS A:116 , HEM A:604BINDING SITE FOR RESIDUE HEM A 603
4AC4SOFTWARELYS A:11 , ASN A:12 , VAL A:77 , SER A:83 , TYR A:89 , PHE A:99 , HIS A:101 , VAL A:105 , LEU A:108 , LYS A:111 , CYS A:112 , CYS A:115 , HIS A:116 , HEM A:603 , HEM A:605BINDING SITE FOR RESIDUE HEM A 604
5AC5SOFTWAREASN A:5 , PHE A:99 , VAL A:103 , HIS A:104 , CYS A:138 , CYS A:141 , HIS A:142 , MET A:146 , PHE A:148 , LYS A:156 , CYS A:157 , HEM A:604BINDING SITE FOR RESIDUE HEM A 605
6AC6SOFTWAREHIS A:35 , TYR A:89 , LYS A:92 , ALA A:97 , ASN A:126 , VAL A:127 , THR A:128 , MET A:129 , MET A:132 , HIS A:142 , VAL A:150 , GLY A:152 , CYS A:154 , CYS A:157 , HIS A:158 , HOH A:212 , HEM A:601BINDING SITE FOR RESIDUE HEM A 606

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3OUQ)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 3OUQ)

(-) 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:159
 aligned with Q74BP5_GEOSL | Q74BP5 from UniProtKB/TrEMBL  Length:343

    Alignment length:159
                                    37        47        57        67        77        87        97       107       117       127       137       147       157       167       177         
         Q74BP5_GEOSL    28 TKNVPFKLKNAAPVIFSHDIHLKKYNNNCRICHIALFDLRKPKRYTMLDMEKGKSCGACHTGMKAFSVADDSQCVRCHSGSARPVAYRMKGAGEAVFSHEVHVPMLEGKCRTCHSNREITGGRNVTMAQMEKGKSCGACHNDKMAFTVAGNCGKCHKGM 186
               SCOP domains d3ouqa1 A:3-81 automated matches                                               d3ouqa2 A:82-161 automated matches                                               SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains Cytochrom_CIII-3ouqA01 A:3-88                                                         ---------------Paired_CXXCH_1-3ouqA02 A:104-147            -------------- Pfam domains
         Sec.struct. author ..eeee.......eeeehhhhhhhhh.hhhhh.............hhhhhhh.hhhhhh.............hhhhh.......eee.......eeehhhhhhhhhh..hhhhhhhhhhhh....hhhhhhh.hhhhhh...........hhhhhh... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ouq A   3 TKNVPFKLKNAAPVIFSHDIHLKKYNNNCRICHIALFDLRKPKRYTMLDMEKGKSCGACHTGMKAFSVADDSQCVRCHSGSARPVAYRMKGAGEAVFSHEVHVPMLEGKCRTCHSNREITGGRNVTMAQMEKGKSCGACHNDKMAFTVAGNCGKCHKGM 161
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152
   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: All alpha proteins (14657)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3OUQ)

(-) Pfam Domains  (2, 2)

Asymmetric Unit
(-)
Clan: Multiheme_cytos (34)

(-) Gene Ontology  (1, 1)

Asymmetric Unit(hide GO term definitions)
Chain A   (Q74BP5_GEOSL | Q74BP5)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.

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  3ouq
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 Related Entries

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

UniProtKB/TrEMBL
        Q74BP5_GEOSL | Q74BP5: 1rwj 3oue 3ov0

(-) Related Entries Specified in the PDB File

1hh5 CYTOCHROME C7 FROM D. ACETOXIDANS
1os6 PPCA, CYTOCHROME C7 FROM GEOBACTER SULFURREDUCENS
1rwj C7-TYPE DOMAIN FROM GSU1996
3bxu PPCB, CYTOCHROME C7 FROM GEOBACTER SULFURREDUCENS
3h33 PPCC, CYTOCHROME C7 FROM GEOBACTER SULFURREDUCENS
3h34 PPCE, CYTOCHROME C7 FROM GEOBACTER SULFURREDUCENS
3h4n PPCD, CYTOCHROME C7 FROM GEOBACTER SULFURREDUCENS
3oue STRUCTURE OF C-TERMINAL HEXAHEME FRAGMENT OF GSU1996
3ov0