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Protein

Cytochrome c

Gene

CYCS

Organism
Ateles sp. (Spider monkey)
Status
Reviewed-Annotation score: Annotation score: 5 out of 5-Experimental evidence at protein leveli

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.
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)
Binding sitei18 – 181Heme (covalent)
Metal bindingi19 – 191Iron (heme axial ligand)
Metal bindingi81 – 811Iron (heme axial ligand)

GO - Molecular functioni

GO - Biological processi

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
Synonyms:CYC
OrganismiAteles sp. (Spider monkey)
Taxonomic identifieri9511 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniPlatyrrhiniAtelidaeAtelinaeAteles

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Mitochondrion

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11Removed1 Publication
Chaini2 – 105104Cytochrome cPRO_0000108208Add
BLAST

Amino acid modifications

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

Post-translational modificationi

Binds 1 heme group per subunit.
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

Proteomic databases

PRIDEiP00003.

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.
[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.

P00003-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MGDVEKGKRI FIMKCSQCHT VEKGGKHKTG PNLHGLFGRK TGQASGFTYT
60 70 80 90 100
EANKNKGIIW GEDTLMEYLE NPKKYIPGTK MIFVGIKKKE ERADLIAYLK

KATNE
Length:105
Mass (Da):11,823
Last modified:January 20, 2009 - v3
Checksum:iCA6E52C3613F1C43
GO

Sequence databases

PIRiA00004. CCMKP.

Cross-referencesi

Web resourcesi

Protein Spotlight

Life shuttle - Issue 76 of November 2006

Sequence databases

PIRiA00004. CCMKP.

3D structure databases

ModBaseiSearch...
MobiDBiSearch...

Proteomic databases

PRIDEiP00003.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Phylogenomic databases

HOVERGENiHBG003023.

Family and domain databases

Gene3Di1.10.760.10. 1 hit.
InterProiIPR009056. Cyt_c-like_dom.
IPR002327. Cyt_c_1A/1B.
[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]
ProtoNetiSearch...

Publicationsi

  1. "Protein influences on porphyrin structure in cytochrome c: evidence from Raman difference spectroscopy."
    Shelnutt J.A., Rousseau D.L., Dethmers J.K., Margoliash E.
    Biochemistry 20:6485-6497(1981) [PubMed] [Europe PMC] [Abstract]
    Cited for: PROTEIN SEQUENCE OF 2-105.

Entry informationi

Entry nameiCYC_ATESP
AccessioniPrimary (citable) accession number: P00003
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: January 20, 2009
Last modified: June 24, 2015
This is version 98 of the entry and version 3 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Direct protein sequencing

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

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.