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Q2G1J2

- HDOX2_STAA8

UniProt

Q2G1J2 - HDOX2_STAA8

Protein

Heme oxygenase (staphylobilin-producing) 2

Gene

isdI

Organism
Staphylococcus aureus (strain NCTC 8325)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at protein leveli
  1. Functioni

    Allows bacterial pathogens to use the host heme as an iron source. Catalyzes the oxidative degradation of the heme macrocyclic porphyrin ring to the oxo-bilirubin chromophore staphylobilin (a mixture of the linear tetrapyrroles 5-oxo-delta-bilirubin and 15-oxo-beta-bilirubin) in the presence of a suitable electron donor such as ascorbate or NADPH--cytochrome P450 reductase, with subsequent release of free iron.UniRule annotation

    Catalytic activityi

    Protoheme + 4 AH2 + 4 O2 = 5-oxo-delta-bilirubin + Fe2+ + CO + 4 A + 4 H2O.1 PublicationUniRule annotation
    Protoheme + 4 AH2 + 4 O2 = 15-oxo-beta-bilirubin + Fe2+ + CO + 4 A + 4 H2O.1 PublicationUniRule annotation

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Metal bindingi6 – 61IronUniRule annotation
    Sitei66 – 661Transition state stabilizerUniRule annotation
    Metal bindingi76 – 761Iron (heme axial ligand)UniRule annotation

    GO - Molecular functioni

    1. heme binding Source: UniProtKB-HAMAP
    2. heme oxygenase (decyclizing) activity Source: UniProtKB-HAMAP
    3. iron ion binding Source: UniProtKB-HAMAP
    4. monooxygenase activity Source: UniProtKB-KW

    GO - Biological processi

    1. heme catabolic process Source: UniProtKB-HAMAP
    2. iron assimilation Source: InterPro

    Keywords - Molecular functioni

    Monooxygenase, Oxidoreductase

    Keywords - Ligandi

    Heme, Iron, Metal-binding

    Enzyme and pathway databases

    BioCyciSAUR93061:GIWJ-124-MONOMER.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Heme oxygenase (staphylobilin-producing) 2UniRule annotation (EC:1.14.99.48UniRule annotation)
    Alternative name(s):
    Heme oxygenase 2UniRule annotation
    Heme-degrading monooxygenase 2UniRule annotation
    Iron-regulated surface determinant 2UniRule annotation
    Iron-responsive surface determinant 2UniRule annotation
    Gene namesi
    Name:isdI
    Ordered Locus Names:SAOUHSC_00130
    OrganismiStaphylococcus aureus (strain NCTC 8325)
    Taxonomic identifieri93061 [NCBI]
    Taxonomic lineageiBacteriaFirmicutesBacilliBacillalesStaphylococcus
    ProteomesiUP000008816: Chromosome

    Subcellular locationi

    Cytoplasm Curated

    GO - Cellular componenti

    1. cytoplasm Source: UniProtKB-SubCell

    Keywords - Cellular componenti

    Cytoplasm

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 108108Heme oxygenase (staphylobilin-producing) 2PRO_0000270094Add
    BLAST

    Proteomic databases

    PRIDEiQ2G1J2.

    Expressioni

    Inductioni

    Transcriptionally regulated by iron and the ferric uptake repressor (fur) protein.Curated

    Interactioni

    Subunit structurei

    Homodimer.UniRule annotation

    Protein-protein interaction databases

    STRINGi93061.SAOUHSC_00130.

    Structurei

    3D structure databases

    ProteinModelPortaliQ2G1J2.
    SMRiQ2G1J2. Positions 1-108.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Domains and Repeats

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Domaini2 – 9392ABMAdd
    BLAST

    Region

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Regioni21 – 288Heme bindingUniRule annotation

    Sequence similaritiesi

    Belongs to the antibiotic biosynthesis monooxygenase family. Heme-degrading monooxygenase IsdG subfamily.UniRule annotation
    Contains 1 ABM domain.Curated

    Phylogenomic databases

    eggNOGiCOG2329.
    HOGENOMiHOG000008026.
    KOiK07145.
    OMAiFRESHSH.
    OrthoDBiEOG6GTZMS.

    Family and domain databases

    HAMAPiMF_01272. Heme_degrading_monooxygenase.
    InterProiIPR007138. ABM-like.
    IPR011008. Dimeric_a/b-barrel.
    IPR023953. IsdG.
    [Graphical view]
    PfamiPF03992. ABM. 1 hit.
    [Graphical view]
    SUPFAMiSSF54909. SSF54909. 1 hit.
    PROSITEiPS51725. ABM. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    Q2G1J2-1 [UniParc]FASTAAdd to Basket

    « Hide

    MFMAENRLQL QKGSAEETIE RFYNRQGIET IEGFQQMFVT KTLNTEDTDE    50
    VKILTIWESE DSFNNWLNSD VFKEAHKNVR LKSDDDGQQS PILSNKVFKY 100
    DIGYHYQK 108
    Length:108
    Mass (Da):12,791
    Last modified:March 21, 2006 - v1
    Checksum:i8AF2718571451004
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CP000253 Genomic DNA. Translation: ABD29311.1.
    RefSeqiYP_498730.1. NC_007795.1.

    Genome annotation databases

    EnsemblBacteriaiABD29311; ABD29311; SAOUHSC_00130.
    GeneIDi3919839.
    KEGGisao:SAOUHSC_00130.
    PATRICi19577892. VBIStaAur99865_0122.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CP000253 Genomic DNA. Translation: ABD29311.1 .
    RefSeqi YP_498730.1. NC_007795.1.

    3D structure databases

    ProteinModelPortali Q2G1J2.
    SMRi Q2G1J2. Positions 1-108.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 93061.SAOUHSC_00130.

    Proteomic databases

    PRIDEi Q2G1J2.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai ABD29311 ; ABD29311 ; SAOUHSC_00130 .
    GeneIDi 3919839.
    KEGGi sao:SAOUHSC_00130.
    PATRICi 19577892. VBIStaAur99865_0122.

    Phylogenomic databases

    eggNOGi COG2329.
    HOGENOMi HOG000008026.
    KOi K07145.
    OMAi FRESHSH.
    OrthoDBi EOG6GTZMS.

    Enzyme and pathway databases

    BioCyci SAUR93061:GIWJ-124-MONOMER.

    Family and domain databases

    HAMAPi MF_01272. Heme_degrading_monooxygenase.
    InterProi IPR007138. ABM-like.
    IPR011008. Dimeric_a/b-barrel.
    IPR023953. IsdG.
    [Graphical view ]
    Pfami PF03992. ABM. 1 hit.
    [Graphical view ]
    SUPFAMi SSF54909. SSF54909. 1 hit.
    PROSITEi PS51725. ABM. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "The Staphylococcus aureus NCTC 8325 genome."
      Gillaspy A.F., Worrell V., Orvis J., Roe B.A., Dyer D.W., Iandolo J.J.
      (In) Fischetti V., Novick R., Ferretti J., Portnoy D., Rood J. (eds.); Gram positive pathogens, 2nd edition, pp.381-412, ASM Press, Washington D.C. (2006)
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: NCTC 8325.
    2. "IsdG and IsdI, heme-degrading enzymes in the cytoplasm of Staphylococcus aureus."
      Skaar E.P., Gaspar A.H., Schneewind O.
      J. Biol. Chem. 279:436-443(2004) [PubMed] [Europe PMC] [Abstract]
      Cited for: FUNCTION, CATALYTIC ACTIVITY.

    Entry informationi

    Entry nameiHDOX2_STAA8
    AccessioniPrimary (citable) accession number: Q2G1J2
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: January 9, 2007
    Last sequence update: March 21, 2006
    Last modified: October 1, 2014
    This is version 57 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programProkaryotic Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    Complete proteome, Reference proteome

    Documents

    1. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3