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Q9Y706 (CYB5_MORAP) Reviewed, UniProtKB/Swiss-Prot

Last modified September 21, 2011. Version 52. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (1) | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
Cytochrome b5
OrganismMortierella alpina (Mortierella renispora)
Taxonomic identifier64518 [NCBI]
Taxonomic lineageEukaryotaFungiFungi incertae sedisBasal fungal lineagesMucoromycotinaMortierellalesMortierellaceaeMortierella

Protein attributes

Sequence length130 AA.
Sequence statusComplete.
Protein existenceEvidence at protein level

General annotation (Comments)

Function

Membrane bound hemoprotein which function as an electron carrier for several membrane bound oxygenases.

Subcellular location

Endoplasmic reticulum membrane; Single-pass membrane protein; Cytoplasmic side By similarity. Microsome membrane; Single-pass membrane protein; Cytoplasmic side By similarity.

Sequence similarities

Belongs to the cytochrome b5 family.

Contains 1 cytochrome b5 heme-binding domain.

Ontologies

Keywords
   Biological processElectron transport
Transport
   Cellular componentEndoplasmic reticulum
Membrane
Microsome
   DomainTransmembrane
Transmembrane helix
   LigandHeme
Iron
Metal-binding
   Technical termDirect protein sequencing
Gene Ontology (GO)
   Biological processelectron transport chain

Inferred from electronic annotation. Source: UniProtKB-KW

transport

Inferred from electronic annotation. Source: UniProtKB-KW

   Cellular componentendoplasmic reticulum membrane

Inferred from electronic annotation. Source: UniProtKB-SubCell

integral to membrane

Inferred from electronic annotation. Source: UniProtKB-KW

microsome

Inferred from electronic annotation. Source: UniProtKB-SubCell

   Molecular functionheme binding

Inferred from electronic annotation. Source: InterPro

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 130130Cytochrome b5
PRO_0000166029

Regions

Transmembrane107 – 12418Helical; Potential
Domain4 – 8077Cytochrome b5 heme-binding

Sites

Metal binding391Iron (heme axial ligand) By similarity
Metal binding631Iron (heme axial ligand) By similarity

Sequences

Sequence LengthMass (Da)Tools
Q9Y706 [UniParc].

Last modified November 1, 1999. Version 1.
Checksum: 5A8DA82987C1FB16

FASTA13013,967
        10         20         30         40         50         60 
MAELKSFTLA DLSQHTTKDS LYLAIHGKVY DCTGFIDEHP GGEEVLIDEA GRDATESFED 

        70         80         90        100        110        120 
VGHSDEARDI MSKLLVGEFK TDSSEKPKAK SPSSSTPRPI PAAEPSDSGS LQYVLALAVV 

       130 
AGCVIWKVLL 

« Hide

References

[1]"Genetic analysis of cytochrome b5 from arachidonic acid-producing fungus, Mortierella alpina 1S-4: cloning, RNA editing and expression of the gene in Escherichia coli, and purification and characterization of the gene product."
Kobayashi M., Sakuradani E., Shimizu S.
J. Biochem. 125:1094-1103(1999) [PubMed: 10348912] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA / MRNA], PARTIAL PROTEIN SEQUENCE, CHARACTERIZATION.
Strain: 1S-4.
+Additional computationally mapped references.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AB022444 Genomic DNA. Translation: BAA82441.1.
AB022443 mRNA. Translation: BAA82440.1.

3D structure databases

ProteinModelPortalQ9Y706.
ModBaseSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Family and domain databases

InterProIPR001199. Cyt_B5.
IPR018506. Cyt_B5_heme-BS.
[Graphical view]
Gene3DG3DSA:3.10.120.10. Cyt_B5. 1 hit.
PfamPF00173. Cyt-b5. 1 hit.
[Graphical view]
PRINTSPR00363. CYTOCHROMEB5.
SUPFAMSSF55856. Cyt_B5. 1 hit.
PROSITEPS00191. CYTOCHROME_B5_1. 1 hit.
PS50255. CYTOCHROME_B5_2. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameCYB5_MORAP
AccessionPrimary (citable) accession number: Q9Y706
Entry history
Integrated into UniProtKB/Swiss-Prot: March 5, 2002
Last sequence update: November 1, 1999
Last modified: September 21, 2011
This is version 52 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programFungal Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families