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P74564 (PSAK2_SYNY3) Reviewed, UniProtKB/Swiss-Prot

Last modified July 9, 2014. Version 91. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (3) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Photosystem I reaction center subunit PsaK 2
Alternative name(s):
Photosystem I subunit X 2
Gene names
Name:psaK2
Ordered Locus Names:sll0629
OrganismSynechocystis sp. (strain PCC 6803 / Kazusa) [Reference proteome] [HAMAP]
Taxonomic identifier1111708 [NCBI]
Taxonomic lineageBacteriaCyanobacteriaOscillatoriophycideaeChroococcalesSynechocystis

Protein attributes

Sequence length90 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceEvidence at protein level

General annotation (Comments)

Subcellular location

Cellular thylakoid membrane; Multi-pass membrane protein By similarity HAMAP-Rule MF_00474.

Sequence similarities

Belongs to the PsaG/PsaK family.

Sequence caution

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

Ontologies

Keywords
   Biological processPhotosynthesis
   Cellular componentMembrane
Photosystem I
Thylakoid
   DomainTransmembrane
Transmembrane helix
   Technical term3D-structure
Complete proteome
Reference proteome
Gene Ontology (GO)
   Biological_processphotosynthesis

Inferred from electronic annotation. Source: UniProtKB-HAMAP

   Cellular_componentintegral component of membrane

Inferred from electronic annotation. Source: UniProtKB-KW

photosystem I

Inferred from electronic annotation. Source: UniProtKB-KW

thylakoid membrane

Inferred from electronic annotation. Source: UniProtKB-SubCell

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Propeptide1 – ? PotentialPRO_0000029410
Chain? – 90Photosystem I reaction center subunit PsaK 2 HAMAP-Rule MF_00474PRO_0000029411

Regions

Transmembrane20 – 4223Helical; Potential
Transmembrane67 – 8923Helical; Potential

Secondary structure

...... 90
Helix Strand Turn

Details...

Sequences

Sequence LengthMass (Da)Tools
P74564 [UniParc].

Last modified August 2, 2002. Version 2.
Checksum: 1D1C642D3D12589B

FASTA909,306
        10         20         30         40         50         60 
MFNTALLLAQ ASPTTAGWSL SVGIIMCLCN VFAFVIGYFA IQKTGKGKDL ALPQLASKKT 

        70         80         90 
FGLPELLATM SFGHILGAGM VLGLASSGIL 

« Hide

References

[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. expand/collapse author list , 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.
+Additional computationally mapped references.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
BA000022 Genomic DNA. Translation: BAA18671.1. Different initiation.
PIRS76759.
RefSeqNP_442859.1. NC_000911.1.
YP_007452735.1. NC_020286.1.

3D structure databases

PDBe
RCSB-PDB
PDBj
EntryMethodResolution (Å)ChainPositionsPDBsum
4KT0X-ray2.80K1-90[»]
4L6VX-ray3.800/K/k1-90[»]
ProteinModelPortalP74564.
SMRP74564. Positions 28-84.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING1148.sll0629.

Proteomic databases

PaxDbP74564.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaBAA18671; BAA18671; BAA18671.
GeneID952137.
KEGGsyn:sll0629.
syz:MYO_129960.
PATRIC23843500. VBISynSp132158_3285.

Phylogenomic databases

eggNOGNOG305738.
HOGENOMHOG000232829.
KOK02698.
OMAFAIQKTG.
OrthoDBEOG6PS615.

Enzyme and pathway databases

BioCycMetaCyc:MONOMER-16589.

Family and domain databases

Gene3D1.20.860.20. 1 hit.
HAMAPMF_00474. PSI_PsaK.
InterProIPR000549. PSI_PsaG/PsaK.
IPR017492. PSI_PsaK.
[Graphical view]
PfamPF01241. PSI_PSAK. 1 hit.
[Graphical view]
SUPFAMSSF81563. SSF81563. 1 hit.
TIGRFAMsTIGR03049. PS_I_psaK. 1 hit.
PROSITEPS01026. PHOTOSYSTEM_I_PSAGK. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry namePSAK2_SYNY3
AccessionPrimary (citable) accession number: P74564
Entry history
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 statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

Synechocystis PCC 6803

Synechocystis (strain PCC 6803): entries and gene names

SIMILARITY comments

Index of protein domains and families

PDB cross-references

Index of Protein Data Bank (PDB) cross-references