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(-) Description

Title :  CHLOROMET MYOHEMERYTHRIN FROM THEMISTE ZOSTERICOLA
 
Authors :  L. J. Martins, C. P. Hill, W. R. Ellis Junior
Date :  12 Mar 98  (Deposition) - 14 Oct 98  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  A
Keywords :  Nonheme Iron Oxygen Carrier, Oxygen Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. J. Martins, C. P. Hill, W. R. Ellis Jr.
Structures Of Wild-Type Chloromet And L103N Hydroxomet Themiste Zostericola Myohemerythrins At 1. 8 A Resolution.
Biochemistry V. 36 7044 1997
PubMed-ID: 9188702  |  Reference-DOI: 10.1021/BI9630422
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - MYOHEMERYTHRIN
    Cell Line: BL21
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PMHR
    Expression System Strain: BL21 (DE3)
    Expression System Taxid: 469008
    Organism Scientific: THEMISTE ZOSTERICOLA
    Organism Taxid: 6437
    Other Details: CONTAINS A CHLORO-DIIRON-OXO (FE1-O-FE2) MOIETY (CFO).
    Tissue: RETRACTOR MUSCLES

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric/Biological Unit (2, 3)
No.NameCountTypeFull Name
1CFO1Ligand/IonCHLORO DIIRON-OXO MOIETY
2CL2Ligand/IonCHLORIDE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:92 , ASN A:95 , LYS A:117BINDING SITE FOR RESIDUE CL A 176
2AC2SOFTWAREGLU A:19 , LYS A:108BINDING SITE FOR RESIDUE CL A 368
3AC3SOFTWAREHIS A:25 , HIS A:54 , PHE A:55 , GLU A:58 , HIS A:73 , HIS A:77 , LEU A:103 , HIS A:106 , ILE A:107 , ASP A:111BINDING SITE FOR RESIDUE CFO A 119

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1A7D)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Glu A:6 -Pro A:7
2Ala A:89 -Pro A:90

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1A7D)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HEMERYTHRINSPS00550 Hemerythrin family signature.HEMTM_THEHE54-77  1A:54-77

(-) Exons   (0, 0)

(no "Exon" information available for 1A7D)

(-) 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:118
 aligned with HEMTM_THEHE | P02247 from UniProtKB/Swiss-Prot  Length:118

    Alignment length:118
                                    10        20        30        40        50        60        70        80        90       100       110        
          HEMTM_THEHE     1 GWEIPEPYVWDESFRVFYEQLDEEHKKIFKGIFDCIRDNSAPNLATLVKVTTNHFTHEEAMMDAAKYSEVVPHKKMHKDFLEKIGGLSAPVDAKNVDYCKEWLVNHIKGTDFKYKGKL 118
               SCOP domains d1a7da_ A: Myohemerythin                                                                                               SCOP domains
               CATH domains 1a7dA00 A:1-118  [code=1.20.120.50, no name defined]                                                                   CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...........hhh....hhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhh.hhhh.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------HEMERYTHRINS            ----------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------- Transcript
                 1a7d A   1 GWEIPEPYVWDESFRVFYEQLDEEHKKIFKGIFDCIRDNSAPNLATLVKVTTNHFTHEEAMMDAAKYSEVVPHKKMHKDFLEKIGGLSAPVDAKNVDYCKEWLVNHIKGTDFKYKGKL 118
                                    10        20        30        40        50        60        70        80        90       100       110
   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: All alpha proteins (14657)

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1A7D)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (HEMTM_THEHE | P02247)
molecular function
    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.
    GO:0005344    oxygen transporter activity    Enables the directed movement of oxygen into, out of or within a cell, or between cells.
biological process
    GO:0015671    oxygen transport    The directed movement of oxygen (O2) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.

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 Related Entries

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UniProtKB/Swiss-Prot
        HEMTM_THEHE | P02247: 1a7e 2igf 2mhr

(-) Related Entries Specified in the PDB File

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