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P74564

- PSAK2_SYNY3

UniProt

P74564 - PSAK2_SYNY3

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Protein

Photosystem I reaction center subunit PsaK 2

Gene
psaK2, sll0629
Organism
Synechocystis sp. (strain PCC 6803 / Kazusa)
Status
Reviewed - Annotation score: 2 out of 5 - Experimental evidence at protein leveli

Functioni

GO - Biological processi

  1. photosynthesis Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Biological processi

Photosynthesis

Enzyme and pathway databases

BioCyciMetaCyc:MONOMER-16589.

Names & Taxonomyi

Protein namesi
Recommended name:
Photosystem I reaction center subunit PsaK 2
Alternative name(s):
Photosystem I subunit X 2
Gene namesi
Name:psaK2
Ordered Locus Names:sll0629
OrganismiSynechocystis sp. (strain PCC 6803 / Kazusa)
Taxonomic identifieri1111708 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaOscillatoriophycideaeChroococcalesSynechocystis
ProteomesiUP000001425: Chromosome

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei20 – 4223Helical; Reviewed predictionAdd
BLAST
Transmembranei67 – 8923Helical; Reviewed predictionAdd
BLAST

GO - Cellular componenti

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

Keywords - Cellular componenti

Membrane, Photosystem I, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini? – 90Photosystem I reaction center subunit PsaK 2UniRule annotationPRO_0000029411
Propeptidei1 – ? Reviewed predictionPRO_0000029410

Proteomic databases

PaxDbiP74564.

Interactioni

Protein-protein interaction databases

STRINGi1148.sll0629.

Structurei

Secondary structure

1
90
Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Helixi18 – 3720
Helixi64 – 663
Helixi67 – 8822

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
4KT0X-ray2.80K1-90[»]
4L6VX-ray3.800/K/k1-90[»]
ProteinModelPortaliP74564.
SMRiP74564. Positions 28-84.

Family & Domainsi

Sequence similaritiesi

Belongs to the PsaG/PsaK family.

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiNOG305738.
HOGENOMiHOG000232829.
KOiK02698.
OMAiFAIQKTG.
OrthoDBiEOG6PS615.

Family and domain databases

Gene3Di1.20.860.20. 1 hit.
HAMAPiMF_00474. PSI_PsaK.
InterProiIPR000549. PSI_PsaG/PsaK.
IPR017492. PSI_PsaK.
[Graphical view]
PfamiPF01241. PSI_PSAK. 1 hit.
[Graphical view]
SUPFAMiSSF81563. SSF81563. 1 hit.
TIGRFAMsiTIGR03049. PS_I_psaK. 1 hit.
PROSITEiPS01026. PHOTOSYSTEM_I_PSAGK. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

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

P74564-1 [UniParc]FASTAAdd to Basket

« Hide

MFNTALLLAQ ASPTTAGWSL SVGIIMCLCN VFAFVIGYFA IQKTGKGKDL   50
ALPQLASKKT FGLPELLATM SFGHILGAGM VLGLASSGIL 90
Length:90
Mass (Da):9,306
Last modified:August 2, 2002 - v2
Checksum:i1D1C642D3D12589B
GO

Sequence cautioni

The sequence BAA18671.1 differs from that shown. Reason: Erroneous initiation. Translation N-terminally shortened.

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BA000022 Genomic DNA. Translation: BAA18671.1. Different initiation.
PIRiS76759.
RefSeqiNP_442859.1. NC_000911.1.
YP_007452735.1. NC_020286.1.

Genome annotation databases

EnsemblBacteriaiBAA18671; BAA18671; BAA18671.
GeneIDi952137.
KEGGisyn:sll0629.
syz:MYO_129960.
PATRICi23843500. VBISynSp132158_3285.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BA000022 Genomic DNA. Translation: BAA18671.1 . Different initiation.
PIRi S76759.
RefSeqi NP_442859.1. NC_000911.1.
YP_007452735.1. NC_020286.1.

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
Entry Method Resolution (Å) Chain Positions PDBsum
4KT0 X-ray 2.80 K 1-90 [» ]
4L6V X-ray 3.80 0/K/k 1-90 [» ]
ProteinModelPortali P74564.
SMRi P74564. Positions 28-84.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 1148.sll0629.

Proteomic databases

PaxDbi P74564.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai BAA18671 ; BAA18671 ; BAA18671 .
GeneIDi 952137.
KEGGi syn:sll0629.
syz:MYO_129960.
PATRICi 23843500. VBISynSp132158_3285.

Phylogenomic databases

eggNOGi NOG305738.
HOGENOMi HOG000232829.
KOi K02698.
OMAi FAIQKTG.
OrthoDBi EOG6PS615.

Enzyme and pathway databases

BioCyci MetaCyc:MONOMER-16589.

Family and domain databases

Gene3Di 1.20.860.20. 1 hit.
HAMAPi MF_00474. PSI_PsaK.
InterProi IPR000549. PSI_PsaG/PsaK.
IPR017492. PSI_PsaK.
[Graphical view ]
Pfami PF01241. PSI_PSAK. 1 hit.
[Graphical view ]
SUPFAMi SSF81563. SSF81563. 1 hit.
TIGRFAMsi TIGR03049. PS_I_psaK. 1 hit.
PROSITEi PS01026. PHOTOSYSTEM_I_PSAGK. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Sequence analysis of the genome of the unicellular cyanobacterium Synechocystis sp. strain PCC6803. II. Sequence determination of the entire genome and assignment of potential protein-coding regions."
    Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y., Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T., Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.
    , Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.
    DNA Res. 3:109-136(1996) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: PCC 6803 / Kazusa.

Entry informationi

Entry nameiPSAK2_SYNY3
AccessioniPrimary (citable) accession number: P74564
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 2, 2002
Last sequence update: August 2, 2002
Last modified: July 9, 2014
This is version 91 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, Complete proteome, Reference proteome

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families
  3. Synechocystis PCC 6803
    Synechocystis (strain PCC 6803): entries and gene names

External Data

Dasty 3

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