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Protein

Cytochrome f

Gene

petA

Organism
Triticum aestivum (Wheat)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

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.By similarity

Cofactori

hemeBy similarityNote: Binds 1 heme group covalently.By similarity

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi36Iron (heme axial ligand); via amino nitrogenBy similarity1
Binding sitei56Heme (covalent)By similarity1
Binding sitei59Heme (covalent)By similarity1
Metal bindingi60Iron (heme axial ligand)By similarity1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Biological processElectron transport, Photosynthesis, Transport
LigandHeme, Iron, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome f
Gene namesi
Name:petA
Encoded oniPlastid; Chloroplast
OrganismiTriticum aestivum (Wheat)
Taxonomic identifieri4565 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaeBOP cladePooideaeTriticodaeTriticeaeTriticinaeTriticum
Proteomesi
  • UP000019116 Componenti: Chloroplast

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cell wall Cytoskeleton Vacuole Chloroplast Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertion Graphics by Christian Stolte; Source: COMPARTMENTS

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Transmembranei286 – 305HelicalSequence analysisAdd BLAST20

Keywords - Cellular componenti

Chloroplast, Membrane, Plastid, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 35By similarityAdd BLAST35
ChainiPRO_000002384036 – 320Cytochrome fAdd BLAST285

Proteomic databases

PRIDEiP05151

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 similarity

Structurei

3D structure databases

ProteinModelPortaliP05151
SMRiP05151
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the cytochrome f family.Curated

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

OrthoDBiEOG09360FQB

Family and domain databases

Gene3Di2.60.40.830, 2 hits
HAMAPiMF_00610 Cytb6_f_cytF, 1 hit
InterProiView 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
PfamiView protein in Pfam
PF01333 Apocytochr_F_C, 1 hit
PF16639 Apocytochr_F_N, 1 hit
PRINTSiPR00610 CYTOCHROMEF
SUPFAMiSSF103431 SSF103431, 1 hit
SSF49441 SSF49441, 2 hits
SSF51246 SSF51246, 1 hit
PROSITEiView protein in PROSITE
PS51010 CYTF, 1 hit

Sequencei

Sequence statusi: Complete.

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

P05151-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MENRNTFSWV KEQITRSISV SIMIYVITRT SISNAYPIFA QQGYENPREA
60 70 80 90 100
TGRIVCANCH LASKPVDIEV PQAVLPDTVF EAVLRIPYDM QLKQVLANGK
110 120 130 140 150
KGGLNVGAVL ILPEGFELAP PDRISPELKE KIGNLAFQSY RPDKKNILVI
160 170 180 190 200
GPVPGKKYSE IVFPILSPDP ATKKDAHFLK YPIYVGGNRG RGQIYPDGSK
210 220 230 240 250
SNNTVYNATS TGIVRKILRK EKGGYEISIV DASDGRQVID IIPPGPELLV
260 270 280 290 300
SEGESIKLDQ PLTSNPNVGG FGQGDAEIVL QDPLRVQGLL FFFASVILAQ
310 320
VFLVLKKKQF EKVQLYEMNF
Length:320
Mass (Da):35,363
Last modified:January 10, 2003 - v3
Checksum:i721D2B3188552289
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti291 – 294FFFA → NVLE in BAB47046 (Ref. 2) Curated4
Sequence conflicti303 – 307LVLKK → WFSST in BAB47046 (Ref. 2) Curated5

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X00538 Genomic DNA Translation: CAA25213.1
AB042240 Genomic DNA Translation: BAB47046.1
PIRiS07296
RefSeqiNP_114271.1, NC_002762.1

Genome annotation databases

EnsemblPlantsiAIG90440; AIG90440; AIG90440
GeneIDi803113
GrameneiAIG90440; AIG90440; AIG90440

Similar proteinsi

Entry informationi

Entry nameiCYF_WHEAT
AccessioniPrimary (citable) accession number: P05151
Entry historyiIntegrated into UniProtKB/Swiss-Prot: August 13, 1987
Last sequence update: January 10, 2003
Last modified: May 23, 2018
This is version 117 of the entry and version 3 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

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