UniProt Accession

 CYB5_DROME; Q9V4N3; Q6AWQ2; Q8IH75; Q9I7E0 

Genbank Protein ID

 AE013599; AE013599; BT001378; BT004852; BT015196 

Genbank Nucleotide ID

 AAF59233.3; AAG22305.2; AAN71133.1; AAO45208.1; AAT94425.1 

Protein Name

 Cytochrome b5 

Protein Synonyms/Alias

 CYTB5 

Gene Name

 Cyt-b5 

Gene Synonyms/Alias

 CG2140 

Created Date

 July 27, 2013 

Organism

 Drosophila melanogaster (Fruit fly) 

NCBI Taxa ID

 7227 

Lysine Modification

Position	Peptide	Type	References
7	*MSSEETKTFTRAEV	acetylation	[1]

Reference

 [1] Proteome-wide mapping of the Drosophila acetylome demonstrates a high degree of conservation of lysine acetylation.
 Weinert BT, Wagner SA, Horn H, Henriksen P, Liu WR, Olsen JV, Jensen LJ, Choudhary C.
 Sci Signal. 2011 Jul 26;4(183):ra48. [PMID: 21791702] 

Functional Description

 Cytochrome b5 is a membrane-bound hemoprotein which functions as an electron carrier for several membrane-bound oxygenases (By similarity). 

Sequence Annotation

 DOMAIN 6 82 Cytochrome b5 heme-binding.
 METAL 41 41 Iron (heme axial ligand) (By similarity).
 METAL 65 65 Iron (heme axial ligand) (By similarity).  

Keyword

 Alternative splicing; Complete proteome; Electron transport; Endoplasmic reticulum; Heme; Iron; Membrane; Metal-binding; Microsome; Reference proteome; Transmembrane; Transmembrane helix; Transport. 

Sequence Source

 UniProt (SWISSPROT/TrEMBL); GenBank; EMBL 

Protein Length

 134 AA 

Protein Sequence

Gene Ontology

 GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
 GO:0016021; C:integral to membrane; IEA:UniProtKB-KW.
 GO:0005811; C:lipid particle; IDA:FlyBase.
 GO:0020037; F:heme binding; IEA:InterPro.
 GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
 GO:0022900; P:electron transport chain; IEA:UniProtKB-KW.
 GO:0045610; P:regulation of hemocyte differentiation; IMP:FlyBase.
 GO:0035206; P:regulation of hemocyte proliferation; IMP:FlyBase. 

Interpro

 IPR001199; Cyt_B5-like_heme/steroid-bd.
 IPR018506; Cyt_B5_heme-BS. 

Pfam

 PF00173; Cyt-b5 

SMART

  

PROSITE

 PS00191; CYTOCHROME_B5_1
 PS50255; CYTOCHROME_B5_2 

PRINTS

 PR00363; CYTOCHROMEB5.