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Q37600

- COX3_PYLLI

UniProt

Q37600 - COX3_PYLLI

Protein

Cytochrome c oxidase subunit 3

Gene

COX3

Organism
Pylaiella littoralis
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 71 (01 Oct 2014)
      Sequence version 1 (01 Nov 1996)
      Previous versions | rss
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    Functioni

    Subunits I, II and III form the functional core of the enzyme complex.

    Catalytic activityi

    4 ferrocytochrome c + O2 + 4 H+ = 4 ferricytochrome c + 2 H2O.

    GO - Molecular functioni

    1. cytochrome-c oxidase activity Source: UniProtKB-EC

    GO - Biological processi

    1. aerobic electron transport chain Source: InterPro

    Keywords - Molecular functioni

    Oxidoreductase

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Cytochrome c oxidase subunit 3 (EC:1.9.3.1)
    Alternative name(s):
    Cytochrome c oxidase polypeptide III
    Gene namesi
    Name:COX3
    Encoded oniMitochondrion
    OrganismiPylaiella littoralis
    Taxonomic identifieri2885 [NCBI]
    Taxonomic lineageiEukaryotaStramenopilesPX cladePhaeophyceaeEctocarpalesAcinetosporaceaePylaiella

    Subcellular locationi

    GO - Cellular componenti

    1. integral component of membrane Source: UniProtKB-KW
    2. mitochondrial inner membrane Source: UniProtKB-SubCell

    Keywords - Cellular componenti

    Membrane, Mitochondrion, Mitochondrion inner membrane

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 272272Cytochrome c oxidase subunit 3PRO_0000183840Add
    BLAST

    Structurei

    3D structure databases

    ProteinModelPortaliQ37600.
    SMRiQ37600. Positions 7-267.
    ModBaseiSearch...
    MobiDBiSearch...

    Transmembrane

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Transmembranei20 – 4021HelicalSequence AnalysisAdd
    BLAST
    Transmembranei45 – 6521HelicalSequence AnalysisAdd
    BLAST
    Transmembranei89 – 10921HelicalSequence AnalysisAdd
    BLAST
    Transmembranei128 – 14821HelicalSequence AnalysisAdd
    BLAST
    Transmembranei166 – 18621HelicalSequence AnalysisAdd
    BLAST
    Transmembranei204 – 22421HelicalSequence AnalysisAdd
    BLAST
    Transmembranei248 – 26821HelicalSequence AnalysisAdd
    BLAST

    Family & Domainsi

    Sequence similaritiesi

    Keywords - Domaini

    Transmembrane, Transmembrane helix

    Family and domain databases

    Gene3Di1.20.120.80. 1 hit.
    InterProiIPR024791. Cyt_c/ubiquinol_Oxase_su3.
    IPR013833. Cyt_c_oxidase_su3_a-hlx.
    IPR000298. Cyt_c_oxidase_su3_dom.
    [Graphical view]
    PANTHERiPTHR11403. PTHR11403. 1 hit.
    PfamiPF00510. COX3. 1 hit.
    [Graphical view]
    SUPFAMiSSF81452. SSF81452. 1 hit.
    PROSITEiPS50253. COX3. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    Q37600-1 [UniParc]FASTAAdd to Basket

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    MKSTAKMIQR HPFHLVDPSP WPLVAALGGL SLTFGGVLFM HNYEGGGELL    50
    CLGFFTILYV MFTWWRDVIR EALFEGQHTL AVQQGLRMGM ILFIVSEIMF 100
    FFAFFWAFFT SSISPVFNIG GVWPPTDVVA ISPWGLPFLN TILLLSSGAS 150
    VTWAHHAIVG GLKKEAMQGL SVTLAFAIAF TAMQGFEYSG APFGMSDGVY 200
    GSVFYMATGF HGFHVIIGTI FLFICTIRLY LSHFSCQHHF GFEAAAWYWH 250
    FVDVVWLFLF LTIYWWGFNI TV 272
    Length:272
    Mass (Da):30,628
    Last modified:November 1, 1996 - v1
    Checksum:iB9EFF7803A08E8DD
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    Z37967 Genomic DNA. Translation: CAA86022.1.
    PIRiS57460.
    RefSeqiNP_150402.1. NC_003055.1.

    Genome annotation databases

    GeneIDi803717.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    Z37967 Genomic DNA. Translation: CAA86022.1 .
    PIRi S57460.
    RefSeqi NP_150402.1. NC_003055.1.

    3D structure databases

    ProteinModelPortali Q37600.
    SMRi Q37600. Positions 7-267.
    ModBasei Search...
    MobiDBi Search...

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    GeneIDi 803717.

    Family and domain databases

    Gene3Di 1.20.120.80. 1 hit.
    InterProi IPR024791. Cyt_c/ubiquinol_Oxase_su3.
    IPR013833. Cyt_c_oxidase_su3_a-hlx.
    IPR000298. Cyt_c_oxidase_su3_dom.
    [Graphical view ]
    PANTHERi PTHR11403. PTHR11403. 1 hit.
    Pfami PF00510. COX3. 1 hit.
    [Graphical view ]
    SUPFAMi SSF81452. SSF81452. 1 hit.
    PROSITEi PS50253. COX3. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "Characterisation of the cox3, nad7 and atp6 genes from the mitochondrial genome of the brown alga Pylaiella littoralis."
      Fontaine J.-M., Rousvoal S., Delaroque N., Loiseaux-De Goer S.
      Plant Physiol. Biochem. 33:605-609(1995)
      Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

    Entry informationi

    Entry nameiCOX3_PYLLI
    AccessioniPrimary (citable) accession number: Q37600
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: July 15, 1998
    Last sequence update: November 1, 1996
    Last modified: October 1, 2014
    This is version 71 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)

    Miscellaneousi

    Documents

    1. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3