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Protein

Cytochrome c6

Gene

petJ

Organism
Chlorolobion braunii (Green alga) (Monoraphidium braunii)
Status
Reviewed-Annotation score: Annotation score: 5 out of 5-Experimental evidence at protein leveli

Functioni

Functions as an electron carrier between membrane-bound cytochrome b6-f and photosystem I in oxygenic photosynthesis.

Redox potential

E0 is +358 mV.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei15 – 151Heme (covalent)PROSITE-ProRule annotation1 Publication
Binding sitei18 – 181Heme (covalent)PROSITE-ProRule annotation1 Publication
Metal bindingi19 – 191Iron (heme axial ligand)PROSITE-ProRule annotation1 Publication
Metal bindingi61 – 611Iron (heme axial ligand)PROSITE-ProRule annotation1 Publication

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Biological processi

Electron transport, Photosynthesis, Transport

Keywords - Ligandi

Heme, Iron, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome c6
Alternative name(s):
Cytochrome c-552
Cytochrome c-553
Cytochrome c553
Soluble cytochrome f
Gene namesi
Name:petJ
OrganismiChlorolobion braunii (Green alga) (Monoraphidium braunii)
Taxonomic identifieri34112 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeChlorophytaChlorophyceaeSphaeroplealesSelenastraceaeChlorolobion

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Chloroplast, Plastid, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 8989Cytochrome c6PRO_0000208677Add
BLAST

Post-translational modificationi

Binds 1 heme group per subunit.

Interactioni

Subunit structurei

Monomer.

Structurei

Secondary structure

1
89
Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Helixi4 – 1411Combined sources
Helixi16 – 194Combined sources
Helixi20 – 223Combined sources
Beta strandi25 – 273Combined sources
Helixi34 – 407Combined sources
Helixi47 – 5610Combined sources
Beta strandi59 – 613Combined sources
Turni65 – 673Combined sources
Helixi70 – 8516Combined sources

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
1A2SNMR-A1-89[»]
1CEDNMR-A1-89[»]
1CTJX-ray1.10A1-89[»]
1JX8model-B1-89[»]
ProteinModelPortaliQ09099.
SMRiQ09099. Positions 1-89.
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiQ09099.

Family & Domainsi

Sequence similaritiesi

Belongs to the cytochrome c family. PetJ subfamily.Curated

Family and domain databases

Gene3Di1.10.760.10. 1 hit.
InterProiIPR009056. Cyt_c-like_dom.
IPR008168. Cyt_C_IC.
[Graphical view]
PfamiPF13442. Cytochrome_CBB3. 1 hit.
[Graphical view]
PRINTSiPR00605. CYTCHROMECIC.
SUPFAMiSSF46626. SSF46626. 1 hit.
PROSITEiPS51007. CYTC. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q09099-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
EADLALGKAV FDGNCAACHA GGGNNVIPDH TLQKAAIEQF LDGGFNIEAI
60 70 80
VYQIENGKGA MPAWDGRLDE DEIAGVAAYV YDQAAGNKW
Length:89
Mass (Da):9,352
Last modified:February 1, 1995 - v1
Checksum:i8625BD98FF88156D
GO

Sequence databases

PIRiS35677.

Cross-referencesi

Sequence databases

PIRiS35677.

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
1A2SNMR-A1-89[»]
1CEDNMR-A1-89[»]
1CTJX-ray1.10A1-89[»]
1JX8model-B1-89[»]
ProteinModelPortaliQ09099.
SMRiQ09099. Positions 1-89.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Miscellaneous databases

EvolutionaryTraceiQ09099.

Family and domain databases

Gene3Di1.10.760.10. 1 hit.
InterProiIPR009056. Cyt_c-like_dom.
IPR008168. Cyt_C_IC.
[Graphical view]
PfamiPF13442. Cytochrome_CBB3. 1 hit.
[Graphical view]
PRINTSiPR00605. CYTCHROMECIC.
SUPFAMiSSF46626. SSF46626. 1 hit.
PROSITEiPS51007. CYTC. 1 hit.
[Graphical view]
ProtoNetiSearch...

Publicationsi

  1. "Cytochrome c6 from Monoraphidium braunii. A cytochrome with an unusual heme axial coordination."
    Campos A.P., Aguiar A.P., Hervas M., Regalla M., Navarro J.A., Ortega J.M., Xavier A.V., de la Rosa M.A., Teixeira M.
    Eur. J. Biochem. 216:329-341(1993) [PubMed] [Europe PMC] [Abstract]
    Cited for: PROTEIN SEQUENCE.
  2. "Ab initio determination of the crystal structure of cytochrome c6 and comparison with plastocyanin."
    Frazao C., Soares C.M., Carrondo M.A., Pohl E., Dauter Z., Wilson K.S., Hervas M., Navarro J.A., de la Rosa M.A., Sheldrick G.M.
    Structure 3:1159-1169(1995) [PubMed] [Europe PMC] [Abstract]
    Cited for: X-RAY CRYSTALLOGRAPHY (1.1 ANGSTROMS).
  3. "Solution structure of oxidized cytochrome c6 from the green alga Monoraphidium braunii."
    Banci L., Bertini I., de la Rosa M.A., Koulougliotis D., Navarro J.A., Walter O.
    Biochemistry 37:4831-4843(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: STRUCTURE BY NMR.

Entry informationi

Entry nameiCYC6_CHLBR
AccessioniPrimary (citable) accession number: Q09099
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 1, 1995
Last sequence update: February 1, 1995
Last modified: December 9, 2015
This is version 93 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Direct protein sequencing

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.