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(-) Description

Title :  CRYSTAL STRUCTURE OF THE Q1A/F32W/W72F MUTANT OF RHODOPSEUDOMONAS PALUSTRIS CYTOCHROME C' (PRIME) EXPRESSED IN E. COLI
 
Authors :  J. C. Lee, K. C. Engman, F. A. Tezcan, H. B. Gray, J. R. Winkler
Date :  17 Sep 02  (Deposition) - 20 Nov 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.78
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Four-Helix Bundle, Electron Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. C. Lee, K. C. Engman, F. A. Tezcan, H. B. Gray, J. R. Winkler
Structural Features Of Cytochrome C' Folding Intermediates Revealed By Fluorescence Energy-Transfer Kinetics
Proc. Natl. Acad. Sci. Usa V. 99 14778 2002
PubMed-ID: 12407175  |  Reference-DOI: 10.1073/PNAS.192574099
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CYTOCHROME C'
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidBL21(DE3)
    Expression System Taxid562
    Expression System Vector TypePLASMID
    MutationYES
    Organism ScientificRHODOPSEUDOMONAS PALUSTRIS
    Organism Taxid1076
    Other DetailsTHE PROTEIN IS IN THE OXIDIZED (FE(III)) STATE.

 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
1HEM2Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:8 , LYS A:9 , LEU A:12 , THR A:19 , PHE A:55 , THR A:65 , ALA A:66 , PHE A:78 , LEU A:81 , PHE A:82 , ASN A:112 , CYS A:113 , CYS A:116 , HIS A:117 , ARG A:121 , HOH A:170 , HOH A:185 , HOH A:301 , HOH A:335BINDING SITE FOR RESIDUE HEM A 150
2AC2SOFTWAREARG B:8 , LYS B:9 , LEU B:12 , MET B:15 , THR B:19 , PHE B:55 , ASP B:64 , THR B:65 , ALA B:66 , PHE B:78 , LEU B:81 , PHE B:82 , CYS B:113 , CYS B:116 , HIS B:117 , ARG B:121 , HOH B:342 , HOH B:405BINDING SITE FOR RESIDUE HEM B 150

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1MQV)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1MQV)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1MQV)

(-) PROSITE Motifs  (1, 2)

Asymmetric Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CYTCIIPS51009 Cytochrome c class II profile.CYCP_RHOPA24-143
 
  2A:3-122
B:3-122
Biological Unit 1 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CYTCIIPS51009 Cytochrome c class II profile.CYCP_RHOPA24-143
 
  1A:3-122
-
Biological Unit 2 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CYTCIIPS51009 Cytochrome c class II profile.CYCP_RHOPA24-143
 
  1-
B:3-122

(-) Exons   (0, 0)

(no "Exon" information available for 1MQV)

(-) 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:123
 aligned with CYCP_RHOPA | P00149 from UniProtKB/Swiss-Prot  Length:146

    Alignment length:123
                                    31        41        51        61        71        81        91       101       111       121       131       141   
           CYCP_RHOPA    22 QTDVIAQRKAILKQMGEATKPIAAMLKGEAKFDQAVVQKSLAAIADDSKKLPALFPADSKTGGDTAALPKIWEDKAKFDDLFAKLAAAATAAQGTIKDEASLKANIGGVLGNCKSCHDDFRAK 144
               SCOP domains d1mqva_ A: Cytochrome c'                                                                                                    SCOP domains
               CATH domains 1mqvA00 A:1-123  [code=1.20.120.10, no name defined]                                                                        CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhh.hhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --CYTCII  PDB: A:3-122 UniProt: 24-143                                                                                    - PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------- Transcript
                 1mqv A   1 ATDVIAQRKAILKQMGEATKPIAAMLKGEAKWDQAVVQKSLAAIADDSKKLPALFPADSKTGGDTAALPKIFEDKAKFDDLFAKLAAAATAAQGTIKDEASLKANIGGVLGNCKSCHDDFRAK 123
                                    10        20        30        40        50        60        70        80        90       100       110       120   

Chain B from PDB  Type:PROTEIN  Length:123
 aligned with CYCP_RHOPA | P00149 from UniProtKB/Swiss-Prot  Length:146

    Alignment length:123
                                    31        41        51        61        71        81        91       101       111       121       131       141   
           CYCP_RHOPA    22 QTDVIAQRKAILKQMGEATKPIAAMLKGEAKFDQAVVQKSLAAIADDSKKLPALFPADSKTGGDTAALPKIWEDKAKFDDLFAKLAAAATAAQGTIKDEASLKANIGGVLGNCKSCHDDFRAK 144
               SCOP domains d1mqvb_ B: Cytochrome c'                                                                                                    SCOP domains
               CATH domains 1mqvB00 B:1-123  [code=1.20.120.10, no name defined]                                                                        CATH domains
           Pfam domains (1) -Cytochrom_C_2-1mqvB01 B:2-121                                                                                           -- Pfam domains (1)
           Pfam domains (2) -Cytochrom_C_2-1mqvB02 B:2-121                                                                                           -- Pfam domains (2)
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --CYTCII  PDB: B:3-122 UniProt: 24-143                                                                                    - PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------- Transcript
                 1mqv B   1 ATDVIAQRKAILKQMGEATKPIAAMLKGEAKWDQAVVQKSLAAIADDSKKLPALFPADSKTGGDTAALPKIFEDKAKFDDLFAKLAAAATAAQGTIKDEASLKANIGGVLGNCKSCHDDFRAK 123
                                    10        20        30        40        50        60        70        80        90       100       110       120   

   Legend:   → Mismatch (orange background)
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    → 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

(-) CATH Domains  (1, 2)

Asymmetric Unit

(-) Pfam Domains  (1, 2)

Asymmetric Unit

(-) Gene Ontology  (7, 7)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (CYCP_RHOPA | P00149)
molecular function
    GO:0009055    electron carrier activity    Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    GO:0020037    heme binding    Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
    GO:0005506    iron ion binding    Interacting selectively and non-covalently with iron (Fe) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0022900    electron transport chain    A process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    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:0042597    periplasmic space    The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or cytoplasmic membrane and cell wall (Fungi and Gram-positive Bacteria).

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 Related Entries

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

UniProtKB/Swiss-Prot
        CYCP_RHOPA | P001491a7v

(-) Related Entries Specified in the PDB File

1a7v WILD TYPE RHODOPSEUDOMONAS PALUSTRIS CYTOCHROME C'