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Protein

Cytochrome b5 isoform B

Gene

CYTB5-B

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

Functioni

Membrane bound hemoprotein which function as an electron carrier for several membrane bound oxygenases, including fatty acid desaturases.1 Publication

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi40Iron (heme axial ligand)PROSITE-ProRule annotation1
Metal bindingi64Iron (heme axial ligand)PROSITE-ProRule annotation1

GO - Molecular functioni

GO - Biological processi

  • alkane biosynthetic process Source: TAIR
  • oxidation-reduction process Source: UniProtKB-KW

Keywordsi

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

Enzyme and pathway databases

ReactomeiR-ATH-196836 Vitamin C (ascorbate) metabolism
R-ATH-211945 Phase I - Functionalization of compounds

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome b5 isoform B1 Publication
Short name:
AtCb5-B1 Publication
Alternative name(s):
Cytochrome b5 isoform 2
Cytochrome b5 isoform E1 Publication
Short name:
AtCb5-E1 Publication
Gene namesi
Name:CYTB5-BCurated
Synonyms:CB5-B1 Publication, CB5-E1 Publication
Ordered Locus Names:At2g32720
ORF Names:F24L7.14
OrganismiArabidopsis thaliana (Mouse-ear cress)
Taxonomic identifieri3702 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
Proteomesi
  • UP000006548 Componenti: Chromosome 2

Organism-specific databases

AraportiAT2G32720
TAIRilocus:2046417 AT2G32720

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
Transmembranei107 – 127HelicalSequence analysisAdd BLAST21

Keywords - Cellular componenti

Endoplasmic reticulum, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001660211 – 134Cytochrome b5 isoform BAdd BLAST134

Proteomic databases

PaxDbiO48845
PRIDEiO48845

Expressioni

Gene expression databases

ExpressionAtlasiO48845 baseline and differential
GenevisibleiO48845 AT

Interactioni

Subunit structurei

Interacts with CER1, FAH1, FAH2 and BI-1.2 Publications

Binary interactionsi

Show more details

Protein-protein interaction databases

BioGridi3179, 10 interactors
IntActiO48845, 3 interactors
STRINGi3702.AT2G32720.1

Structurei

3D structure databases

ProteinModelPortaliO48845
SMRiO48845
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini5 – 81Cytochrome b5 heme-bindingPROSITE-ProRule annotationAdd BLAST77

Sequence similaritiesi

Belongs to the cytochrome b5 family.Curated

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiKOG0537 Eukaryota
COG5274 LUCA
HOGENOMiHOG000039853
InParanoidiO48845
OMAiTSKDDCW
OrthoDBiEOG09360S13
PhylomeDBiO48845

Family and domain databases

Gene3Di3.10.120.10, 1 hit
InterProiView protein in InterPro
IPR001199 Cyt_B5-like_heme/steroid-bd
IPR036400 Cyt_B5-like_heme/steroid_sf
IPR018506 Cyt_B5_heme-BS
PfamiView protein in Pfam
PF00173 Cyt-b5, 1 hit
PRINTSiPR00363 CYTOCHROMEB5
SMARTiView protein in SMART
SM01117 Cyt-b5, 1 hit
SUPFAMiSSF55856 SSF55856, 1 hit
PROSITEiView protein in PROSITE
PS00191 CYTOCHROME_B5_1, 1 hit
PS50255 CYTOCHROME_B5_2, 1 hit

Sequencei

Sequence statusi: Complete.

O48845-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MGDEAKIFTL SEVSEHNQAH DCWIVINGKV YNVTKFLEDH PGGDDVLLSS
60 70 80 90 100
TGKDATDDFE DVGHSESARE MMEQYYVGEI DPTTIPKKVK YTPPKQPHYN
110 120 130
QDKTSEFIIK LLQFLVPLAI LGLAVGIRIY TKSG
Length:134
Mass (Da):15,016
Last modified:June 1, 1998 - v1
Checksum:iB405F5430F5716C1
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AC003974 Genomic DNA Translation: AAC04491.1
CP002685 Genomic DNA Translation: AEC08729.1
AY128405 mRNA Translation: AAM91608.1
BT000085 mRNA Translation: AAN15404.1
AK227415 mRNA Translation: BAE99419.1
PIRiT00796
RefSeqiNP_180831.1, NM_128831.4
UniGeneiAt.19477

Genome annotation databases

EnsemblPlantsiAT2G32720.1; AT2G32720.1; AT2G32720
GeneIDi817832
GrameneiAT2G32720.1; AT2G32720.1; AT2G32720
KEGGiath:AT2G32720

Similar proteinsi

Entry informationi

Entry nameiCYB5B_ARATH
AccessioniPrimary (citable) accession number: O48845
Secondary accession number(s): Q0WTX9
Entry historyiIntegrated into UniProtKB/Swiss-Prot: January 11, 2001
Last sequence update: June 1, 1998
Last modified: May 23, 2018
This is version 139 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

Complete proteome, Reference proteome

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