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P83792

- PETD_MASLA

UniProt

P83792 - PETD_MASLA

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Protein

Cytochrome b6-f complex subunit 4

Gene
petD
Organism
Mastigocladus laminosus (Fischerella sp.)
Status
Reviewed - Annotation score: 3 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

GO - Molecular functioni

  1. electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity Source: UniProtKB-HAMAP
  2. electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity Source: InterPro
  3. oxidoreductase activity Source: InterPro

GO - Biological processi

  1. photosynthetic electron transport chain Source: InterPro
Complete GO annotation...

Keywords - Biological processi

Electron transport, Photosynthesis, Transport

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome b6-f complex subunit 4
Alternative name(s):
17 kDa polypeptide
Gene namesi
Name:petD
OrganismiMastigocladus laminosus (Fischerella sp.)
Taxonomic identifieri83541 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaStigonematalesMastigocladus

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei36 – 5621Helical; Reviewed predictionAdd
BLAST
Transmembranei95 – 11521Helical; Reviewed predictionAdd
BLAST
Transmembranei131 – 15121Helical; Reviewed predictionAdd
BLAST

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. thylakoid membrane Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Membrane, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 160160Cytochrome b6-f complex subunit 4UniRule annotationPRO_0000061901Add
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

1
160
Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Helixi12 – 198
Beta strandi26 – 305
Helixi31 – 355
Turni36 – 394
Helixi40 – 5718
Helixi79 – 813
Helixi82 – 909
Helixi94 – 11421
Helixi115 – 1173
Beta strandi119 – 1213
Helixi123 – 1253
Helixi127 – 14822
Helixi151 – 1533
Beta strandi154 – 1563
Turni157 – 1593

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
1VF5X-ray3.00B/O1-160[»]
2D2CX-ray3.80B/O1-160[»]
2E74X-ray3.00B1-160[»]
2E75X-ray3.55B1-160[»]
2E76X-ray3.41B1-160[»]
4H0LX-ray3.25B1-160[»]
4H13X-ray3.07B1-160[»]
4I7ZX-ray2.80B1-160[»]
ProteinModelPortaliP83792.
SMRiP83792. Positions 1-160.

Miscellaneous databases

EvolutionaryTraceiP83792.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Family and domain databases

HAMAPiMF_01344. Cytb6_f_subIV.
InterProiIPR005798. Cyt_b/b6_C.
IPR005870. Cyt_b6/f_cplx_suIV.
[Graphical view]
PfamiPF00032. Cytochrom_B_C. 1 hit.
[Graphical view]
PIRSFiPIRSF000033. B6f_17K. 1 hit.
SUPFAMiSSF81648. SSF81648. 1 hit.
TIGRFAMsiTIGR01156. cytb6/f_IV. 1 hit.
PROSITEiPS51003. CYTB_CTER. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P83792-1 [UniParc]FASTAAdd to Basket

« Hide

MATLKKPDLS DPKLRAKLAK GMGHNYYGEP AWPNDLLYVF PVVIMGTFAC    50
IVALSVLDPA MVGEPADPFA TPLEILPEWY LYPVFQILRS VPNKLLGVLL 100
MASVPLGLIL VPFIENVNKF QNPFRRPVAT TIFLFGTLVT IWLGIGATFP 150
LDKTLTLGLF 160
Length:160
Mass (Da):17,674
Last modified:January 10, 2006 - v2
Checksum:i3592F24AD0B6F4DE
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AY390357 Genomic DNA. Translation: AAR26243.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AY390357 Genomic DNA. Translation: AAR26243.1 .

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 B/O 1-160 [» ]
2D2C X-ray 3.80 B/O 1-160 [» ]
2E74 X-ray 3.00 B 1-160 [» ]
2E75 X-ray 3.55 B 1-160 [» ]
2E76 X-ray 3.41 B 1-160 [» ]
4H0L X-ray 3.25 B 1-160 [» ]
4H13 X-ray 3.07 B 1-160 [» ]
4I7Z X-ray 2.80 B 1-160 [» ]
ProteinModelPortali P83792.
SMRi P83792. Positions 1-160.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Miscellaneous databases

EvolutionaryTracei P83792.

Family and domain databases

HAMAPi MF_01344. Cytb6_f_subIV.
InterProi IPR005798. Cyt_b/b6_C.
IPR005870. Cyt_b6/f_cplx_suIV.
[Graphical view ]
Pfami PF00032. Cytochrom_B_C. 1 hit.
[Graphical view ]
PIRSFi PIRSF000033. B6f_17K. 1 hit.
SUPFAMi SSF81648. SSF81648. 1 hit.
TIGRFAMsi TIGR01156. cytb6/f_IV. 1 hit.
PROSITEi PS51003. CYTB_CTER. 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 nameiPETD_MASLA
AccessioniPrimary (citable) accession number: P83792
Secondary accession number(s): Q5YJJ5
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 13, 2004
Last sequence update: January 10, 2006
Last modified: June 11, 2014
This is version 66 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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