UniProtKB - Q70XZ0 (CYF_AMBTC)
Protein
Cytochrome f
Gene
petA
Organism
Amborella trichopoda
Status
Functioni
Component of the cytochrome b6-f complex, which mediates electron transfer between photosystem II (PSII) and photosystem I (PSI), cyclic electron flow around PSI, and state transitions.UniRule annotation
Cofactori
hemeUniRule annotationNote: Binds 1 heme group covalently.UniRule annotation
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Metal bindingi | 36 | Iron (heme axial ligand); via amino nitrogenUniRule annotation | 1 | |
Binding sitei | 56 | Heme; covalentUniRule annotation | 1 | |
Binding sitei | 59 | Heme; covalentUniRule annotation | 1 | |
Metal bindingi | 60 | Iron (heme axial ligand)UniRule annotation | 1 |
GO - Molecular functioni
- electron transfer activity Source: UniProtKB-UniRule
- heme binding Source: InterPro
- iron ion binding Source: InterPro
GO - Biological processi
- photosynthesis Source: UniProtKB-UniRule
Keywordsi
Biological process | Electron transport, Photosynthesis, Transport |
Ligand | Heme, Iron, Metal-binding |
Names & Taxonomyi
Protein namesi | Recommended name: Cytochrome fUniRule annotation |
Gene namesi | Name:petAUniRule annotation |
Encoded oni | Plastid; Chloroplast |
Organismi | Amborella trichopoda |
Taxonomic identifieri | 13333 [NCBI] |
Taxonomic lineagei | Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliopsida › Amborellales › Amborellaceae › Amborella |
Proteomesi |
|
Subcellular locationi
Chloroplast
- chloroplast thylakoid membrane UniRule annotation; Single-pass membrane protein UniRule annotation
Chloroplast
- chloroplast Source: GO_Central
- chloroplast thylakoid membrane Source: UniProtKB-SubCell
Other locations
- integral component of thylakoid membrane Source: InterPro
Topology
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Transmembranei | 286 – 306 | HelicalUniRule annotationAdd BLAST | 21 |
Keywords - Cellular componenti
Chloroplast, Membrane, Plastid, ThylakoidPTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Signal peptidei | 1 – 35 | UniRule annotationAdd BLAST | 35 | |
ChainiPRO_0000023802 | 36 – 320 | Cytochrome fAdd BLAST | 285 |
Proteomic databases
PRIDEi | Q70XZ0 |
Interactioni
Subunit structurei
The 4 large subunits of the cytochrome b6-f complex are cytochrome b6, subunit IV (17 kDa polypeptide, petD), cytochrome f and the Rieske protein, while the 4 small subunits are PetG, PetL, PetM and PetN. The complex functions as a dimer (By similarity).
By similarityProtein-protein interaction databases
STRINGi | 13333.ERN02870 |
Family & Domainsi
Sequence similaritiesi
Belongs to the cytochrome f family.UniRule annotation
Keywords - Domaini
Signal, Transmembrane, Transmembrane helixPhylogenomic databases
eggNOGi | ENOG502QPT8, Eukaryota |
OrthoDBi | 826802at2759 |
Family and domain databases
Gene3Di | 2.60.40.830, 1 hit |
HAMAPi | MF_00610, Cytb6_f_cytF, 1 hit |
InterProi | View protein in InterPro IPR024058, Cyt-f_TM IPR002325, Cyt_f IPR024094, Cyt_f_lg_dom IPR036826, Cyt_f_lg_dom_sf IPR011054, Rudment_hybrid_motif |
Pfami | View protein in Pfam PF01333, Apocytochr_F_C, 1 hit PF16639, Apocytochr_F_N, 1 hit |
PRINTSi | PR00610, CYTOCHROMEF |
SUPFAMi | SSF103431, SSF103431, 1 hit SSF49441, SSF49441, 1 hit SSF51246, SSF51246, 1 hit |
PROSITEi | View protein in PROSITE PS51010, CYTF, 1 hit |
i Sequence
Sequence statusi: Complete.
: The displayed sequence is further processed into a mature form. Sequence processingi
Q70XZ0-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MQNRNTFSWV KEQMTRSIFV SMMIYIITRA SISNAYPIFA QQGYENPREA
60 70 80 90 100
TGRIVCANCH LANKPVDIEV PQAVLPDTVF EAVVRIPYDM QLKQVLANGK
110 120 130 140 150
KGGLNVGAVL ILPDGFELAP PDRISPAMKE KIGNLSFQSY RPTKKNILVI
160 170 180 190 200
GPVPGQKYNE ILFPILSPDP ATKKEVHFLK YPIYVGGNRG RGQIYPDGSK
210 220 230 240 250
SNNTVYNASA SGIISRIIRK EKGGYEITIA NALDGRQVVD IIPPGPELLV
260 270 280 290 300
SEGESIKLDQ PLTSNPNVGG FGQGDAEIVL QDPLRIQGLF LFLASVILAQ
310 320
IFLVLKKKQF EKVQLAEMNF
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AJ506156 Genomic DNA Translation: CAD45120.1 |
RefSeqi | NP_904112.1, NC_005086.1 |
Genome annotation databases
GeneIDi | 2546616 |
KEGGi | atr:2546616 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AJ506156 Genomic DNA Translation: CAD45120.1 |
RefSeqi | NP_904112.1, NC_005086.1 |
3D structure databases
SMRi | Q70XZ0 |
ModBasei | Search... |
Protein-protein interaction databases
STRINGi | 13333.ERN02870 |
Proteomic databases
PRIDEi | Q70XZ0 |
Genome annotation databases
GeneIDi | 2546616 |
KEGGi | atr:2546616 |
Phylogenomic databases
eggNOGi | ENOG502QPT8, Eukaryota |
OrthoDBi | 826802at2759 |
Family and domain databases
Gene3Di | 2.60.40.830, 1 hit |
HAMAPi | MF_00610, Cytb6_f_cytF, 1 hit |
InterProi | View protein in InterPro IPR024058, Cyt-f_TM IPR002325, Cyt_f IPR024094, Cyt_f_lg_dom IPR036826, Cyt_f_lg_dom_sf IPR011054, Rudment_hybrid_motif |
Pfami | View protein in Pfam PF01333, Apocytochr_F_C, 1 hit PF16639, Apocytochr_F_N, 1 hit |
PRINTSi | PR00610, CYTOCHROMEF |
SUPFAMi | SSF103431, SSF103431, 1 hit SSF49441, SSF49441, 1 hit SSF51246, SSF51246, 1 hit |
PROSITEi | View protein in PROSITE PS51010, CYTF, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | CYF_AMBTC | |
Accessioni | Q70XZ0Primary (citable) accession number: Q70XZ0 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | June 21, 2005 |
Last sequence update: | July 5, 2004 | |
Last modified: | April 7, 2021 | |
This is version 84 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Plant Protein Annotation Program |
Miscellaneousi
Keywords - Technical termi
Reference proteomeDocuments
- SIMILARITY comments
Index of protein domains and families