UniProtKB - Q4G368 (CY550_EMIHU)
Protein
Cytochrome c-550
Gene
psbV
Organism
Emiliania huxleyi (Pontosphaera huxleyi)
Status
Functioni
Low-potential cytochrome c that plays a role in the oxygen-evolving complex of photosystem II.UniRule annotation
Cofactori
hemeUniRule annotationNote: Binds 1 heme group covalently per subunit.UniRule annotation
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Binding sitei | 64 | Heme; covalentUniRule annotation | 1 | |
Binding sitei | 67 | Heme; covalentUniRule annotation | 1 | |
Metal bindingi | 68 | Iron (heme axial ligand)UniRule annotation | 1 | |
Metal bindingi | 119 | Iron (heme axial ligand)UniRule annotation | 1 |
GO - Molecular functioni
- electron transfer activity Source: InterPro
- heme binding Source: InterPro
- iron ion binding Source: InterPro
GO - Biological processi
- cytochrome c-heme linkage Source: UniProtKB-UniRule
- photosynthesis, light reaction Source: UniProtKB-UniRule
- respiratory electron transport chain Source: InterPro
Keywordsi
Biological process | Electron transport, Photosynthesis, Transport |
Ligand | Heme, Iron, Metal-binding |
Names & Taxonomyi
Protein namesi | Recommended name: Cytochrome c-550UniRule annotationAlternative name(s): Cytochrome c550UniRule annotation |
Gene namesi | Name:psbVUniRule annotation |
Encoded oni | Plastid; Chloroplast |
Organismi | Emiliania huxleyi (Pontosphaera huxleyi) |
Taxonomic identifieri | 2903 [NCBI] |
Taxonomic lineagei | Eukaryota › Haptista › Haptophyta › Prymnesiophyceae › Isochrysidales › Noelaerhabdaceae › Emiliania |
Proteomesi |
|
Subcellular locationi
Chloroplast
- chloroplast thylakoid membrane UniRule annotation; Peripheral membrane protein UniRule annotation; Lumenal side UniRule annotation
Note: Associated with photosystem II at the lumenal side of the thylakoid membrane.UniRule annotation
Chloroplast
- chloroplast thylakoid membrane Source: UniProtKB-SubCell
Other locations
- photosystem II Source: UniProtKB-KW
Keywords - Cellular componenti
Chloroplast, Membrane, Photosystem II, Plastid, ThylakoidPTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Signal peptidei | 1 – 27 | UniRule annotationAdd BLAST | 27 | |
ChainiPRO_0000295610 | 28 – 164 | Cytochrome c-550Add BLAST | 137 |
Interactioni
Subunit structurei
Part of the oxygen-evolving complex of photosystem II.
UniRule annotationFamily & Domainsi
Sequence similaritiesi
Keywords - Domaini
SignalFamily and domain databases
Gene3Di | 1.10.760.10, 1 hit |
HAMAPi | MF_01378, PSII_Cyt550, 1 hit |
InterProi | View protein in InterPro IPR009056, Cyt_c-like_dom IPR036909, Cyt_c-like_dom_sf IPR029490, Cytochrom_C550 IPR016003, PSII_cyt_c550 IPR017851, PSII_PsbV_cyt_c550 |
Pfami | View protein in Pfam PF14495, Cytochrom_C550, 1 hit |
PIRSFi | PIRSF005890, Phot_II_cyt_c550, 1 hit |
SUPFAMi | SSF46626, SSF46626, 1 hit |
TIGRFAMsi | TIGR03045, PS_II_C550, 1 hit |
PROSITEi | View protein in PROSITE PS51007, CYTC, 1 hit |
i Sequence
Sequence statusi: Complete.
: The displayed sequence is further processed into a mature form. Sequence processingi
Q4G368-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MALKSKFLVG SILATFILNG FSSPAQALEL DEDTRTVTLD GKGNTVVLSV
60 70 80 90 100
EQIKRGKRLF NNACAICHVG GLTKTNPNVG LDVEALSLAT PPRDNVSSLV
110 120 130 140 150
SYLKDPMTYD GADSIAELHP SIKSADIFPK MRSLTDEDLF AISGHILVQP
160
KVVNEKWGGG KIYY
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AY741371 Genomic DNA Translation: AAX13898.1 |
RefSeqi | YP_277399.1, NC_007288.1 |
Genome annotation databases
GeneIDi | 3562484 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AY741371 Genomic DNA Translation: AAX13898.1 |
RefSeqi | YP_277399.1, NC_007288.1 |
3D structure databases
SMRi | Q4G368 |
ModBasei | Search... |
Genome annotation databases
GeneIDi | 3562484 |
Family and domain databases
Gene3Di | 1.10.760.10, 1 hit |
HAMAPi | MF_01378, PSII_Cyt550, 1 hit |
InterProi | View protein in InterPro IPR009056, Cyt_c-like_dom IPR036909, Cyt_c-like_dom_sf IPR029490, Cytochrom_C550 IPR016003, PSII_cyt_c550 IPR017851, PSII_PsbV_cyt_c550 |
Pfami | View protein in Pfam PF14495, Cytochrom_C550, 1 hit |
PIRSFi | PIRSF005890, Phot_II_cyt_c550, 1 hit |
SUPFAMi | SSF46626, SSF46626, 1 hit |
TIGRFAMsi | TIGR03045, PS_II_C550, 1 hit |
PROSITEi | View protein in PROSITE PS51007, CYTC, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | CY550_EMIHU | |
Accessioni | Q4G368Primary (citable) accession number: Q4G368 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | July 24, 2007 |
Last sequence update: | August 30, 2005 | |
Last modified: | April 7, 2021 | |
This is version 63 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) |
Miscellaneousi
Keywords - Technical termi
Reference proteomeDocuments
- SIMILARITY comments
Index of protein domains and families