Cytochrome c1 precursor - Rhodospirillum rubrum

Preferred order of sections

Names and origin

Protein names

Recommended name:
Cytochrome c1

Gene names

Name:

petC

Organism

Rhodospirillum rubrum

Taxonomic identifier

1085 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Alphaproteobacteria › Rhodospirillales › Rhodospirillaceae › Rhodospirillum

Protein attributes

Sequence length	272 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Evidence at protein level

General annotation (Comments)

Function	Component of the ubiquinol-cytochrome c reductase complex (complex III or cytochrome b-c1 complex), which is a respiratory chain that generates an electrochemical potential coupled to ATP synthesis.
Subunit structure	The main subunits of complex b-c1 are: cytochrome b, cytochrome c1 and the Rieske protein.
Subcellular location	Cell membrane; Single-pass membrane protein Potential.
Post-translational modification	Binds 1 heme group per subunit.

Ontologies

Keywords
Biological process	Electron transport Respiratory chain Transport
Cellular component	Cell membrane Membrane
Domain	Signal Transmembrane Transmembrane helix
Ligand	Heme Iron Metal-binding
Technical term	Direct protein sequencing
Gene Ontology (GO)
Biological_process	electron transport chain Inferred from electronic annotation. Source: UniProtKB-KW
Cellular_component	integral to membrane Inferred from electronic annotation. Source: UniProtKB-KW plasma membrane Inferred from electronic annotation. Source: UniProtKB-SubCell respiratory chain Inferred from electronic annotation. Source: UniProtKB-KW
Molecular_function	electron carrier activity Inferred from electronic annotation. Source: InterPro heme binding Inferred from electronic annotation. Source: InterPro iron ion binding Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

Feature key

Position(s)

Length

Description

Graphical view

Feature identifier

Molecule processing

Signal peptide

1 – 24

24

Ref.1

Chain

25 – 272

248

Cytochrome c1 Ref.1

PRO_0000006562

Regions

Transmembrane

244 – 261

18

Helical; Note=Anchors to the membrane; Potential

Sites

Metal binding

65

1

Iron (heme axial ligand) By similarity

Metal binding

200

1

Iron (heme axial ligand) By similarity

Binding site

61

1

Heme (covalent) By similarity

Binding site

64

1

Heme (covalent) By similarity

Sequences

Sequence

Length

Mass (Da)

Tools

P23135 [UniParc].

Last modified November 1, 1991. Version 1.
Checksum: D2575CEBE7CC9332
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FASTA

272

29,495

        10         20         30         40         50         60 
MTTIVKRALV AAGMVLAIGG AAQANEGGVS LHKQDWSWKG IFGRYDQPQL QRGFQVFHEV 

        70         80         90        100        110        120 
CSTCHGMKRV AYRNLSALGF SEDGIKELAA EKEFPAGPDD NGDMFTRPGT PADHIPSPFA 

       130        140        150        160        170        180 
NDKAAAAANG GAAPPDLSLL AKARPGGPNY IYSLLEGYAS DSPGEPAEWW VKQQQEKGLE 

       190        200        210        220        230        240 
VAFNEAKYFN DYFPGHAISM PPPLMDDLIT YEDGTAATKD QMAQDVVAYL NWAAEPELDA 

       250        260        270 
RKSLGLKVLL FLGVLTAMLL ALKLAIWRDV KH

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References

[1]	"The pet genes of Rhodospirillum rubrum: cloning and sequencing of the genes for the cytochrome bc1-complex." Majewski C., Trebst A. Mol. Gen. Genet. 224:373-382(1990) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], PROTEIN SEQUENCE OF 25-50. Strain: FR1.

Cross-references

Sequence databases
EMBL GenBank DDBJ	X55387 Genomic DNA. Translation: CAA39060.1.
PIR	CCQF1R. S12258.
3D structure databases
ProteinModelPortal	P23135.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Family and domain databases
InterPro	IPR002326. Cyt_c1. IPR009056. Cyt_c_dom. [Graphical view]
PANTHER	PTHR10266. PTHR10266. 1 hit.
Pfam	PF02167. Cytochrom_C1. 1 hit. [Graphical view]
PRINTS	PR00603. CYTOCHROMEC1.
SUPFAM	SSF46626. Cytochrome_c. 1 hit.
PROSITE	PS51007. CYTC. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

CY1_RHORU

Accession

Primary (citable) accession number: P23135

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 1, 1991
Last sequence update:	November 1, 1991
Last modified:	April 3, 2013
This is version 69 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program