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Protein

Cytochrome c6, chloroplastic

Gene

PETJ

Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Functions as an electron carrier between membrane-bound cytochrome b6-f and photosystem I in oxygenic photosynthesis.1 Publication

Miscellaneous

Cyt c6 and plastocyanin are functionally equivalent.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei86Heme (covalent)PROSITE-ProRule annotation3 Publications1
Binding sitei89Heme (covalent)PROSITE-ProRule annotation3 Publications1
Metal bindingi90Iron (heme axial ligand)1
Metal bindingi130Iron (heme axial ligand)1

GO - Molecular functioni

GO - Biological processi

Keywordsi

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

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome c6, chloroplastic1 Publication
Alternative name(s):
Cytochrome c-552
Short name:
Atc61 Publication
Cytochrome c-553
Cytochrome c553
Soluble cytochrome f
Gene namesi
Name:PETJ
Ordered Locus Names:At5g45040
ORF Names:K21C13.23
OrganismiArabidopsis thaliana (Mouse-ear cress)
Taxonomic identifieri3702 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
Proteomesi
  • UP000006548 Componenti: Chromosome 5

Organism-specific databases

AraportiAT5G45040
TAIRilocus:2155332 AT5G45040

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

Keywords - Cellular componenti

Chloroplast, Plastid, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Transit peptidei? – 70Thylakoid
Transit peptidei1 – ?ChloroplastSequence analysis
ChainiPRO_000002384971 – 175Cytochrome c6, chloroplasticAdd BLAST105

Post-translational modificationi

Binds 1 heme group per subunit.

Proteomic databases

PaxDbiQ93VA3

Expressioni

Gene expression databases

ExpressionAtlasiQ93VA3 baseline and differential
GenevisibleiQ93VA3 AT

Interactioni

Subunit structurei

Monomer (By similarity). Interacts in vitro with LTO1.By similarity1 Publication

Protein-protein interaction databases

BioGridi19784, 1 interactor
STRINGi3702.AT5G45040.1

Structurei

Secondary structure

1175
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Helixi75 – 85Combined sources11
Turni86 – 89Combined sources4
Helixi91 – 93Combined sources3
Beta strandi96 – 98Combined sources3
Helixi105 – 110Combined sources6
Helixi116 – 125Combined sources10
Beta strandi130 – 132Combined sources3
Helixi140 – 142Combined sources3
Helixi151 – 167Combined sources17

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
2CE0X-ray1.24A71-175[»]
2CE1X-ray1.40A71-175[»]
2DGEX-ray1.50A/B/C/D71-175[»]
2V07X-ray1.60A71-175[»]
ProteinModelPortaliQ93VA3
SMRiQ93VA3
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiQ93VA3

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni98 – 102Heme binding5

Sequence similaritiesi

Belongs to the cytochrome c family. PetJ subfamily.Curated

Keywords - Domaini

Transit peptide

Phylogenomic databases

eggNOGiENOG410IXW8 Eukaryota
ENOG410Y8VD LUCA
HOGENOMiHOG000242384
InParanoidiQ93VA3
KOiK08906
OMAiGKECMPR
OrthoDBiEOG09360S0I
PhylomeDBiQ93VA3

Family and domain databases

Gene3Di1.10.760.10, 1 hit
InterProiView protein in InterPro
IPR009056 Cyt_c-like_dom
IPR036909 Cyt_c-like_dom_sf
PfamiView protein in Pfam
PF13442 Cytochrome_CBB3, 1 hit
SUPFAMiSSF46626 SSF46626, 1 hit
PROSITEiView protein in PROSITE
PS51007 CYTC, 1 hit

Sequencei

Sequence statusi: Complete.

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

Q93VA3-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MRLVLSGASS FTSNLFCSSQ QVNGRGKELK NPISLNHNKD LDFLLKKLAP
60 70 80 90 100
PLTAVLLAVS PICFPPESLG QTLDIQRGAT LFNRACIGCH DTGGNIIQPG
110 120 130 140 150
ATLFTKDLER NGVDTEEEIY RVTYFGKGRM PGFGEKCTPR GQCTFGPRLQ
160 170
DEEIKLLAEF VKFQADQGWP TVSTD
Length:175
Mass (Da):19,210
Last modified:December 1, 2001 - v1
Checksum:iDE9B257F6A286E27
GO

Sequence cautioni

The sequence BAB10887 differs from that shown. Reason: Erroneous gene model prediction.Curated

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AJ438488 mRNA Translation: CAD27418.1
AB010693 Genomic DNA Translation: BAB10887.1 Sequence problems.
CP002688 Genomic DNA Translation: AED95193.1
AY057729 mRNA Translation: AAL15359.1
AF372903 mRNA Translation: AAK49619.1
RefSeqiNP_568640.1, NM_123872.3
UniGeneiAt.30036
At.49131

Genome annotation databases

EnsemblPlantsiAT5G45040.1; AT5G45040.1; AT5G45040
GeneIDi834535
GrameneiAT5G45040.1; AT5G45040.1; AT5G45040
KEGGiath:AT5G45040

Similar proteinsi

Entry informationi

Entry nameiCYC6_ARATH
AccessioniPrimary (citable) accession number: Q93VA3
Secondary accession number(s): Q8SKV3, Q9FL93
Entry historyiIntegrated into UniProtKB/Swiss-Prot: January 17, 2003
Last sequence update: December 1, 2001
Last modified: April 25, 2018
This is version 120 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Reference proteome
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Main funding by: National Institutes of Health