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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.

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 4UniRule annotation
Alternative name(s):
17 kDa polypeptideUniRule annotation
Gene namesi
Name:petDUniRule annotation
OrganismiMastigocladus laminosus (Fischerella sp.)
Taxonomic identifieri83541 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaStigonematalesMastigocladus

Subcellular locationi

GO - Cellular componenti

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

Keywords - Cellular componenti

Membrane, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 160160Cytochrome b6-f complex subunit 4PRO_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[»]
4PV1X-ray3.00B1-160[»]
ProteinModelPortaliP83792.
SMRiP83792. Positions 1-160.
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP83792.

Transmembrane

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei36 – 5621HelicalUniRule annotationAdd
BLAST
Transmembranei95 – 11521HelicalUniRule annotationAdd
BLAST
Transmembranei131 – 15121HelicalUniRule annotationAdd
BLAST

Family & Domainsi

Sequence similaritiesi

Belongs to the cytochrome b family. PetD subfamily.UniRule annotation

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

        10         20         30         40         50
MATLKKPDLS DPKLRAKLAK GMGHNYYGEP AWPNDLLYVF PVVIMGTFAC
60 70 80 90 100
IVALSVLDPA MVGEPADPFA TPLEILPEWY LYPVFQILRS VPNKLLGVLL
110 120 130 140 150
MASVPLGLIL VPFIENVNKF QNPFRRPVAT TIFLFGTLVT IWLGIGATFP
160
LDKTLTLGLF
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 [» ]
4PV1 X-ray 3.00 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: October 29, 2014
This is version 68 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