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Q52V10

- CYC_SAISC

UniProt

Q52V10 - CYC_SAISC

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Protein

Cytochrome c

Gene

CYCS

Organism
Saimiri sciureus (Common squirrel monkey)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi

Functioni

Electron carrier protein. The oxidized form of the cytochrome c heme group can accept an electron from the heme group of the cytochrome c1 subunit of cytochrome reductase. Cytochrome c then transfers this electron to the cytochrome oxidase complex, the final protein carrier in the mitochondrial electron-transport chain (By similarity).By similarity
Plays a role in apoptosis. Suppression of the anti-apoptotic members or activation of the pro-apoptotic members of the Bcl-2 family leads to altered mitochondrial membrane permeability resulting in release of cytochrome c into the cytosol. Binding of cytochrome c to Apaf-1 triggers the activation of caspase-9, which then accelerates apoptosis by activating other caspases (By similarity).By similarity

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei15 – 151Heme (covalent)PROSITE-ProRule annotation
Binding sitei18 – 181Heme (covalent)PROSITE-ProRule annotation
Metal bindingi19 – 191Iron (heme axial ligand)PROSITE-ProRule annotation
Metal bindingi81 – 811Iron (heme axial ligand)PROSITE-ProRule annotation

GO - Molecular functioni

  1. electron carrier activity Source: InterPro
  2. heme binding Source: InterPro
  3. iron ion binding Source: InterPro

GO - Biological processi

  1. apoptotic process Source: UniProtKB-KW
  2. oxidation-reduction process Source: UniProtKB-KW
Complete GO annotation...

Keywords - Biological processi

Apoptosis, Electron transport, Respiratory chain, Transport

Keywords - Ligandi

Heme, Iron, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome c
Gene namesi
Name:CYCS
OrganismiSaimiri sciureus (Common squirrel monkey)
Taxonomic identifieri9521 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniPlatyrrhiniCebidaeSaimiriinaeSaimiri

Subcellular locationi

Mitochondrion intermembrane space By similarity
Note: Loosely associated with the inner membrane.By similarity

GO - Cellular componenti

  1. mitochondrion Source: UniProtKB-KW
  2. respiratory chain Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Mitochondrion

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11RemovedBy similarity
Chaini2 – 105104Cytochrome cPRO_0000108233Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei2 – 21N-acetylglycineBy similarity
Modified residuei49 – 491PhosphotyrosineBy similarity
Modified residuei98 – 981PhosphotyrosineBy similarity

Post-translational modificationi

Binds 1 heme group per subunit.By similarity
Phosphorylation at Tyr-49 and Tyr-98 both reduce by half the turnover in the reaction with cytochrome c oxidase, down-regulating mitochondrial respiration.By similarity

Keywords - PTMi

Acetylation, Phosphoprotein

Structurei

3D structure databases

ProteinModelPortaliQ52V10.
SMRiQ52V10. Positions 2-105.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the cytochrome c family.Curated

Phylogenomic databases

HOVERGENiHBG003023.

Family and domain databases

Gene3Di1.10.760.10. 1 hit.
InterProiIPR009056. Cyt_c-like_dom.
IPR002327. Cyt_c_1A/1B.
IPR003088. Cyt_c_dom.
[Graphical view]
PANTHERiPTHR11961. PTHR11961. 1 hit.
PfamiPF00034. Cytochrom_C. 1 hit.
[Graphical view]
PRINTSiPR00604. CYTCHRMECIAB.
SUPFAMiSSF46626. SSF46626. 1 hit.
PROSITEiPS51007. CYTC. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q52V10-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MGDVEKGKRI FIQKCSQCHT VEKGGKHKTG PNLHGLFGRK TGQAAGFTYT
60 70 80 90 100
EANKNKGIIW GEDTLMEYLE NPKKYIPGTK MIFVGIKKKG EREDLIAYLK

KATNE
Length:105
Mass (Da):11,790
Last modified:January 23, 2007 - v3
Checksum:iA0BF06836BE50192
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AY918493 Genomic DNA. Translation: AAY17032.1.

Cross-referencesi

Web resourcesi

Protein Spotlight

Life shuttle - Issue 76 of November 2006

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AY918493 Genomic DNA. Translation: AAY17032.1 .

3D structure databases

ProteinModelPortali Q52V10.
SMRi Q52V10. Positions 2-105.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Phylogenomic databases

HOVERGENi HBG003023.

Family and domain databases

Gene3Di 1.10.760.10. 1 hit.
InterProi IPR009056. Cyt_c-like_dom.
IPR002327. Cyt_c_1A/1B.
IPR003088. Cyt_c_dom.
[Graphical view ]
PANTHERi PTHR11961. PTHR11961. 1 hit.
Pfami PF00034. Cytochrom_C. 1 hit.
[Graphical view ]
PRINTSi PR00604. CYTCHRMECIAB.
SUPFAMi SSF46626. SSF46626. 1 hit.
PROSITEi PS51007. CYTC. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Rapid electrostatic evolution at the binding site for cytochrome c on cytochrome c oxidase in anthropoid primates."
    Schmidt T.R., Wildman D.E., Uddin M., Opazo J.C., Goodman M., Grossman L.I.
    Proc. Natl. Acad. Sci. U.S.A. 102:6379-6384(2005) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

Entry informationi

Entry nameiCYC_SAISC
AccessioniPrimary (citable) accession number: Q52V10
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 6, 2005
Last sequence update: January 23, 2007
Last modified: October 29, 2014
This is version 57 of the entry and version 3 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Documents

  1. Protein Spotlight
    Protein Spotlight articles and cited UniProtKB/Swiss-Prot entries
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3