Cytochrome b6-f complex iron-sulfur subunit - Chlorobium tepidum (strain ATCC 49652 / DSM 12025 / TLS)

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Q9F722 (UCRI_CHLTE) Reviewed, UniProtKB/Swiss-Prot

Last modified May 1, 2013. Version 96. History...

Clusters with 100%, 90%, 50% identity |

Documents (1) |

Third-party data

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Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·Documents Customize order

Names and origin

Protein names

Recommended name:
Cytochrome b6-f complex iron-sulfur subunit
EC=1.10.9.1

Alternative name(s):
Plastohydroquinone:plastocyanin oxidoreductase iron-sulfur protein
Rieske iron-sulfur protein
Short name=ISP
Short name=RISP

Gene names

Name:	petC
Ordered Locus Names:	CT0302

Organism

Chlorobium tepidum (strain ATCC 49652 / DSM 12025 / TLS) [Reference proteome] [HAMAP]

Taxonomic identifier

194439 [NCBI]

Taxonomic lineage

Bacteria › Chlorobi › Chlorobia › Chlorobiales › Chlorobiaceae › Chlorobaculum ›

Protein attributes

Sequence length	181 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Component of the green S-bacteria bc-complex which consists of the Rieske protein and cytochrome b subunit and which appears to lack a cytochrome c1-equivalent. This complex has a comparatively low redox potential.
Catalytic activity	Plastoquinol + 2 oxidized plastocyanin + 2 H⁺(Side 1) = plastoquinone + 2 reduced plastocyanin + 2 H⁺(Side 2).
Cofactor	Binds 1 2Fe-2S cluster per subunit By similarity.
Subcellular location	Cell membrane; Multi-pass membrane protein Potential.
Miscellaneous	The Rieske protein is a high potential 2Fe-2S protein.
Sequence similarities	Contains 1 Rieske domain.

Ontologies

Keywords
Biological process	Electron transport Transport
Cellular component	Cell membrane Membrane
Domain	Transmembrane Transmembrane helix
Ligand	2Fe-2S Iron Iron-sulfur Metal-binding
Molecular function	Oxidoreductase
PTM	Disulfide bond
Technical term	Complete proteome Reference proteome
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 thylakoid membrane Inferred from electronic annotation. Source: InterPro
Molecular_function	2 iron, 2 sulfur cluster binding Inferred from electronic annotation. Source: UniProtKB-KW metal ion binding Inferred from electronic annotation. Source: UniProtKB-KW plastoquinol--plastocyanin reductase activity Inferred from electronic annotation. Source: EC ubiquinol-cytochrome-c reductase activity Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

Feature key

Position(s)

Length

Description

Graphical view

Feature identifier

Molecule processing

Initiator methionine

Removed By similarity

Chain

2 – 181

180

Cytochrome b6-f complex iron-sulfur subunit

PRO_0000127773

Regions

Transmembrane

53 – 73

Helical; Potential

Transmembrane

114 – 134

Helical; Potential

Domain

85 – 178

Rieske

Sites

Metal binding

124

Iron-sulfur (2Fe-2S) By similarity

Metal binding

126

Iron-sulfur (2Fe-2S); via pros nitrogen By similarity

Metal binding

142

Iron-sulfur (2Fe-2S) By similarity

Metal binding

145

Iron-sulfur (2Fe-2S); via pros nitrogen By similarity

Amino acid modifications

Disulfide bond

129 ↔ 144

By similarity

Experimental info

Sequence conflict

V → F in AAG12194. Ref.1

Sequence conflict

150

T → R in AAG12194. Ref.1

Sequences

Sequence

Length

Mass (Da)

Tools

Q9F722 [UniParc].

Last modified January 23, 2007. Version 4.
Checksum: 487FB49275EC289B
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FASTA

181

18,864

        10         20         30         40         50         60 
MAQTGNFKSP ARMSSLGQGA APASAGAVTG GKPREEGLKG VDFERRGFLQ KIVGGVGAVV 

        70         80         90        100        110        120 
AVSTLYPVVR YIVPPAKKIK IVNELAVGPA SDVPNGTGKI YQFNDDKVIV VNHGGSLTAV 

       130        140        150        160        170        180 
SAICTHLGCL VHWDEAADMI ACPCHGAKYT QDGKIISGPQ PLPLKQYKVK IEDGKIVVSI 


A

« Hide

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Molecular evidence for the early evolution of photosynthesis." Xiong J., Fischer W.M., Inoue K., Nakahara M., Bauer C.E. Science 289:1724-1730(2000) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]. Strain: ATCC 49652 / DSM 12025 / TLS.
[2]	"The complete genome sequence of Chlorobium tepidum TLS, a photosynthetic, anaerobic, green-sulfur bacterium." Eisen J.A., Nelson K.E., Paulsen I.T., Heidelberg J.F., Wu M., Dodson R.J., DeBoy R.T., Gwinn M.L., Nelson W.C., Haft D.H., Hickey E.K., Peterson J.D., Durkin A.S., Kolonay J.F., Yang F., Holt I.E., Umayam L.A., Mason T.M. Fraser C.M. Proc. Natl. Acad. Sci. U.S.A. 99:9509-9514(2002) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 49652 / DSM 12025 / TLS.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AF287480 Genomic DNA. Translation: AAG12194.1. AE006470 Genomic DNA. Translation: AAM71548.1.
RefSeq	NP_661206.1. NC_002932.3.
3D structure databases
ProteinModelPortal	Q9F722.
ModBase	Search...
Protein-protein interaction databases
STRING	194439.CT0302.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	AAM71548; AAM71548; CT0302.
GeneID	1007962.
KEGG	cte:CT0302.
PATRIC	21398719. VBIChlTep116050_0292.
Phylogenomic databases
eggNOG	COG0723.
HOGENOM	HOG000148904.
KO	K02636.
OMA	PLKLTHR.
ProtClustDB	CLSK637271.
Enzyme and pathway databases
BioCyc	CTEP194439:GHN0-303-MONOMER.
Family and domain databases
Gene3D	2.102.10.10. 1 hit.
InterPro	IPR014909. Cyt_b6-f_cplx_Fe-S_su. IPR017941. Rieske_2Fe-2S. IPR005805. Rieske_Fe-S_prot_C. [Graphical view]
Pfam	PF08802. CytB6-F_Fe-S. 1 hit. PF00355. Rieske. 1 hit. [Graphical view]
PRINTS	PR00162. RIESKE.
SUPFAM	SSF50022. Rieske_dom. 1 hit.
PROSITE	PS51296. RIESKE. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

UCRI_CHLTE

Accession

Primary (citable) accession number: Q9F722

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 27, 2001
Last sequence update:	January 23, 2007
Last modified:	May 1, 2013
This is version 96 of the entry and version 4 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·Documents

Preferred order of sections

Names and origin

Protein attributes

General annotation (Comments)

Ontologies

Sequence annotation (Features)

Molecule processing

Regions

Sites

Amino acid modifications

Experimental info

Sequences

References

Cross-references

Sequence databases

3D structure databases

Protein-protein interaction databases

Protocols and materials databases

Genome annotation databases

Phylogenomic databases

Enzyme and pathway databases

Family and domain databases

Entry information

Relevant documents