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P83793

- CYF_MASLA

UniProt

P83793 - CYF_MASLA

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Protein
Apocytochrome f
Gene
petA
Organism
Mastigocladus laminosus (Fischerella sp.)
Status
Reviewed - Annotation score: 4 out of 5 - Experimental evidence at protein leveli

Functioni

Component of the cytochrome b6-f complex, which mediates electron transfer between photosystem II (PSII) and photosystem I (PSI), cyclic electron flow around PSI, and state transitions.UniRule annotation

Cofactori

Binds 1 heme group covalently.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi45 – 451Iron (heme axial ligand); via amino nitrogen By similarity
Binding sitei66 – 661Heme (covalent) By similarity
Binding sitei69 – 691Heme (covalent) By similarity
Metal bindingi70 – 701Iron (heme axial ligand) By similarity

GO - Molecular functioni

  1. electron carrier activity Source: UniProtKB-HAMAP
  2. heme binding Source: InterPro
  3. iron ion binding Source: InterPro

GO - Biological processi

  1. oxidation-reduction process Source: UniProtKB-HAMAP
  2. photosynthesis Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Biological processi

Electron transport, Photosynthesis, Transport

Keywords - Ligandi

Heme, Iron, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Apocytochrome f
Gene namesi
Name:petA
OrganismiMastigocladus laminosus (Fischerella sp.)
Taxonomic identifieri83541 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaStigonematalesMastigocladus

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei299 – 31921Helical; Reviewed prediction
Add
BLAST

GO - Cellular componenti

  1. integral component of thylakoid membrane Source: InterPro
Complete GO annotation...

Keywords - Cellular componenti

Membrane, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 3737 Reviewed prediction
Add
BLAST
Chaini38 – 333296Apocytochrome fUniRule annotation
PRO_0000207977Add
BLAST

Interactioni

Subunit structurei

The 4 large subunits of the cytochrome b6-f complex are cytochrome b6, subunit IV (17 kDa polypeptide, PetD), cytochrome f and the Rieske protein, while the 4 small subunits are PetG, PetL, PetM and PetN. The complex functions as a dimer.

Structurei

Secondary structure

Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Helixi46 – 527
Beta strandi53 – 553
Helixi65 – 684
Beta strandi77 – 793
Beta strandi82 – 843
Beta strandi89 – 957
Beta strandi107 – 1093
Beta strandi115 – 1217
Helixi131 – 1333
Helixi136 – 1427
Beta strandi148 – 1514
Beta strandi157 – 1648
Turni165 – 1673
Beta strandi169 – 1768
Turni180 – 1823
Beta strandi189 – 20012
Beta strandi212 – 2143
Beta strandi219 – 2224
Beta strandi227 – 2304
Beta strandi233 – 2353
Beta strandi238 – 2425
Beta strandi245 – 2484
Beta strandi252 – 2543
Beta strandi255 – 2595
Beta strandi283 – 29311
Helixi296 – 32833
Turni329 – 3313

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
1VF5X-ray3.00C/P45-333[»]
2D2CX-ray3.80C/P45-333[»]
2E74X-ray3.00C45-333[»]
2E75X-ray3.55C45-333[»]
2E76X-ray3.41C45-333[»]
4H0LX-ray3.25C45-333[»]
4H13X-ray3.07C45-333[»]
4I7ZX-ray2.80C45-333[»]
ProteinModelPortaliP83793.
SMRiP83793. Positions 45-332.

Miscellaneous databases

EvolutionaryTraceiP83793.

Family & Domainsi

Sequence similaritiesi

Belongs to the cytochrome f family.

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Family and domain databases

Gene3Di1.20.5.700. 1 hit.
2.60.40.830. 2 hits.
HAMAPiMF_00610. Cytb6_f_cytF.
InterProiIPR024058. Cyt-f_TM.
IPR002325. Cyt_f.
IPR024094. Cyt_f_lg_dom.
IPR011054. Rudment_hybrid_motif.
[Graphical view]
PfamiPF01333. Apocytochr_F_C. 1 hit.
[Graphical view]
PRINTSiPR00610. CYTOCHROMEF.
SUPFAMiSSF103431. SSF103431. 1 hit.
SSF49441. SSF49441. 2 hits.
SSF51246. SSF51246. 1 hit.
PROSITEiPS51010. CYTF. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P83793-1 [UniParc]FASTAAdd to Basket

« Hide

MRNSCKKARR TRPLKATIQA LLVAIATMTF FFTSDIALPQ SAAAYPFWAQ    50
QTYPETPREP TGRIVCANCH LAAKPAEVEV PQSVLPDTVF KAVVKIPYDT 100
KLQQVAADGS KVGLNVGAVL MLPEGFKIAP EERIPEELKK EVGDVYFQPY 150
KEGQDNVLLV GPLPGEQYQE IVFPVLSPNP TTDKNIHFGK YAIHLGANRG 200
RGQIYPTGEK SNNNVFTASA TGTITKIAKE EDEYGNVKYQ VSIQTDSGKT 250
VVDTIPAGPE LIVSEGQAVK AGEALTNNPN VGGFGQDDTE IVLQDPNRVK 300
WMIAFICLVM LAQLMLILKK KQVEKVQAAE MNF 333
Length:333
Mass (Da):36,450
Last modified:July 1, 2008 - v2
Checksum:iE768F5C264323061
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AY390356 Genomic DNA. Translation: AAR26241.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AY390356 Genomic DNA. Translation: AAR26241.1 .

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
Entry Method Resolution (Å) Chain Positions PDBsum
1VF5 X-ray 3.00 C/P 45-333 [» ]
2D2C X-ray 3.80 C/P 45-333 [» ]
2E74 X-ray 3.00 C 45-333 [» ]
2E75 X-ray 3.55 C 45-333 [» ]
2E76 X-ray 3.41 C 45-333 [» ]
4H0L X-ray 3.25 C 45-333 [» ]
4H13 X-ray 3.07 C 45-333 [» ]
4I7Z X-ray 2.80 C 45-333 [» ]
ProteinModelPortali P83793.
SMRi P83793. Positions 45-332.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Miscellaneous databases

EvolutionaryTracei P83793.

Family and domain databases

Gene3Di 1.20.5.700. 1 hit.
2.60.40.830. 2 hits.
HAMAPi MF_00610. Cytb6_f_cytF.
InterProi IPR024058. Cyt-f_TM.
IPR002325. Cyt_f.
IPR024094. Cyt_f_lg_dom.
IPR011054. Rudment_hybrid_motif.
[Graphical view ]
Pfami PF01333. Apocytochr_F_C. 1 hit.
[Graphical view ]
PRINTSi PR00610. CYTOCHROMEF.
SUPFAMi SSF103431. SSF103431. 1 hit.
SSF49441. SSF49441. 2 hits.
SSF51246. SSF51246. 1 hit.
PROSITEi PS51010. CYTF. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Cloning and characterization of the petBD and petCA operon from the thermophilic cyanobacterium Mastigocladus laminosus."
    Yan J., Zhang H., Cramer W.A.
    Submitted (SEP-2003) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
  2. "Structure of the cytochrome b6f complex of oxygenic photosynthesis: tuning the cavity."
    Kurisu G., Zhang H., Smith J.L., Cramer W.A.
    Science 302:1009-1014(2003) [PubMed] [Europe PMC] [Abstract]
    Cited for: X-RAY CRYSTALLOGRAPHY (3.0 ANGSTROMS).

Entry informationi

Entry nameiCYF_MASLA
AccessioniPrimary (citable) accession number: P83793
Secondary accession number(s): Q5YJJ7
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 13, 2004
Last sequence update: July 1, 2008
Last modified: February 19, 2014
This is version 61 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure

Documents

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

External Data

Dasty 3

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