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Q3T4C0

- COX2_SMICU

UniProt

Q3T4C0 - COX2_SMICU

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Protein

Cytochrome c oxidase subunit 2

Gene

cox2

Organism
Smittium culisetae (Gut fungus)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi

Functioni

Cytochrome c oxidase is the component of the respiratory chain that catalyzes the reduction of oxygen to water. Subunits 1-3 form the functional core of the enzyme complex. Subunit 2 transfers the electrons from cytochrome c via its binuclear copper A center to the bimetallic center of the catalytic subunit 1.Curated

Catalytic activityi

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

Cofactori

Copper A.Curated

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi182 – 1821Copper ABy similarity
Metal bindingi217 – 2171Copper ABy similarity
Metal bindingi221 – 2211Copper ABy similarity
Metal bindingi225 – 2251Copper ABy similarity

GO - Molecular functioni

  1. copper ion binding Source: InterPro
  2. cytochrome-c oxidase activity Source: UniProtKB-EC

GO - Biological processi

  1. electron transport chain Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Electron transport, Respiratory chain, Transport

Keywords - Ligandi

Copper, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome c oxidase subunit 2By similarity (EC:1.9.3.1)
Alternative name(s):
Cytochrome c oxidase polypeptide IIBy similarity
Gene namesi
Name:cox2Imported
Encoded oniMitochondrionImported
OrganismiSmittium culisetae (Gut fungus)
Taxonomic identifieri1213189 [NCBI]
Taxonomic lineageiEukaryotaFungiFungi incertae sedisEarly diverging fungal lineagesKickxellomycotinaHarpellalesLegeriomycetaceaeZancudomyces

Subcellular locationi

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. mitochondrial inner membrane Source: UniProtKB-KW
  3. respiratory chain Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Membrane, Mitochondrion, Mitochondrion inner membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 254254Cytochrome c oxidase subunit 2PRO_0000393948Add
BLAST

Structurei

3D structure databases

ProteinModelPortaliQ3T4C0.
ModBaseiSearch...
MobiDBiSearch...

Topological domain

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini12 – 3827Mitochondrial intermembraneSequence AnalysisAdd
BLAST
Topological domaini60 – 7314Mitochondrial matrixSequence AnalysisAdd
BLAST
Topological domaini95 – 248154Mitochondrial intermembraneSequence AnalysisAdd
BLAST

Transmembrane

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei39 – 5921HelicalSequence AnalysisAdd
BLAST
Transmembranei74 – 9421HelicalSequence AnalysisAdd
BLAST

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Family and domain databases

Gene3Di1.10.287.90. 1 hit.
2.60.40.420. 1 hit.
InterProiIPR001505. Copper_CuA.
IPR008972. Cupredoxin.
IPR014222. Cyt_c_oxidase_su2.
IPR002429. Cyt_c_oxidase_su2_C.
IPR011759. Cyt_c_oxidase_su2_TM_dom.
[Graphical view]
PfamiPF00116. COX2. 1 hit.
PF02790. COX2_TM. 1 hit.
[Graphical view]
SUPFAMiSSF49503. SSF49503. 1 hit.
SSF81464. SSF81464. 1 hit.
TIGRFAMsiTIGR02866. CoxB. 1 hit.
PROSITEiPS00078. COX2. 1 hit.
PS50857. COX2_CUA. 1 hit.
PS50999. COX2_TM. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q3T4C0-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MNIFSFYIIN NDAPEPWQIC YQDSATKIMS GIDKLTGEIF YYETLLLIIV
60 70 80 90 100
GWVLISAIIK YTKTELSYKY FNHGTLIEIL WTCSPAFILI AISFPSFKLL
110 120 130 140 150
YLMDSIIDSQ ITIKVLGHQW YWSYEYSDYL DNSGDSISFD SIMIPTDDLE
160 170 180 190 200
PGQFRLLEVD NRIVLPIHTH IRFICTSSDV IHSFAVPSLG LKIDALPGRL
210 220 230 240 250
NGISTYVERE GTFYGQCSEL CGVYHFGMPI VIEAVRIEKY LEWLNIHLDN

TPSS
Length:254
Mass (Da):29,146
Last modified:October 11, 2005 - v1
Checksum:i49F6B1CABBD940C0
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AY863213 Genomic DNA. Translation: AAW49494.1.
RefSeqiYP_203327.1. NC_006837.1.

Genome annotation databases

GeneIDi3260112.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AY863213 Genomic DNA. Translation: AAW49494.1 .
RefSeqi YP_203327.1. NC_006837.1.

3D structure databases

ProteinModelPortali Q3T4C0.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 3260112.

Family and domain databases

Gene3Di 1.10.287.90. 1 hit.
2.60.40.420. 1 hit.
InterProi IPR001505. Copper_CuA.
IPR008972. Cupredoxin.
IPR014222. Cyt_c_oxidase_su2.
IPR002429. Cyt_c_oxidase_su2_C.
IPR011759. Cyt_c_oxidase_su2_TM_dom.
[Graphical view ]
Pfami PF00116. COX2. 1 hit.
PF02790. COX2_TM. 1 hit.
[Graphical view ]
SUPFAMi SSF49503. SSF49503. 1 hit.
SSF81464. SSF81464. 1 hit.
TIGRFAMsi TIGR02866. CoxB. 1 hit.
PROSITEi PS00078. COX2. 1 hit.
PS50857. COX2_CUA. 1 hit.
PS50999. COX2_TM. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Comparative mitochondrial genomics in zygomycetes: bacteria-like RNase P RNAs, mobile elements, and a close source of the group I intron invasion in angiosperms."
    Seif E., Leigh J., Liu Y., Roewer I., Forget L., Lang B.F.
    Nucleic Acids Res. 33:734-744(2005) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    Strain: 18-3Imported.

Entry informationi

Entry nameiCOX2_SMICU
AccessioniPrimary (citable) accession number: Q3T4C0
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 18, 2010
Last sequence update: October 11, 2005
Last modified: October 29, 2014
This is version 51 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programFungal Protein Annotation Program

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3