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P14627 (PSAK_SPIOL) Reviewed, UniProtKB/Swiss-Prot

Last modified February 19, 2014. Version 69. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (1) | 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, chloroplastic
Alternative name(s):
Light-harvesting 5 kDa protein
PSI-K
Photosystem I subunit X
Gene names
Name:PSAK
OrganismSpinacia oleracea (Spinach)
Taxonomic identifier3562 [NCBI]
Taxonomic lineageEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeCaryophyllalesAmaranthaceaeChenopodioideaeAnserineaeSpinacia

Protein attributes

Sequence length29 AA.
Sequence statusFragment.
Protein existenceEvidence at protein level

General annotation (Comments)

Subcellular location

Plastidchloroplast thylakoid membrane; Multi-pass membrane protein Probable.

Sequence similarities

Belongs to the PsaG/PsaK family.

Ontologies

Keywords
   Biological processPhotosynthesis
   Cellular componentChloroplast
Membrane
Photosystem I
Plastid
Thylakoid
   DomainTransmembrane
Transmembrane helix
   Technical termDirect protein sequencing
Gene Ontology (GO)
   Biological_processphotosynthesis

Inferred from electronic annotation. Source: UniProtKB-KW

   Cellular_componentchloroplast thylakoid membrane

Inferred from electronic annotation. Source: UniProtKB-SubCell

integral component of membrane

Inferred from electronic annotation. Source: UniProtKB-KW

photosystem I

Inferred from electronic annotation. Source: UniProtKB-KW

   Molecular_functionchlorophyll binding

Inferred from electronic annotation. Source: InterPro

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – ›29›29Photosystem I reaction center subunit psaK, chloroplastic
PRO_0000206211

Regions

Transmembrane3 – 2321Helical; Potential

Experimental info

Non-terminal residue291

Sequences

Sequence LengthMass (Da)Tools
P14627 [UniParc].

Last modified August 1, 1990. Version 2.
Checksum: 38AECD218210B24D

FASTA293,059
        10         20 
GDFIGSSTNL IMVTSTTLML FAGRFGLXP 

« Hide

References

[1]"Characterization and N-terminal sequence of a 5 kDa polypeptide in the photosystem I core complex from spinach."
Hoshina S., Sue S., Kunishima N., Kamide K., Wada K., Itoh S.
FEBS Lett. 258:305-308(1989) [PubMed] [Europe PMC] [Abstract]
Cited for: PROTEIN SEQUENCE.
[2]"Polypeptide composition of higher plant photosystem I complex. Identification of psaI, psaJ and psaK gene products."
Ikeuchi M., Hirano A., Hiyama T., Inoue Y.
FEBS Lett. 263:274-278(1990) [PubMed] [Europe PMC] [Abstract]
Cited for: PROTEIN SEQUENCE OF 1-27.
[3]"The photosystem I 5.5 kDa subunit (the psaK gene product). An intrinsic subunit of the PSI reaction center complex."
Wynn R.M., Malkin R.
FEBS Lett. 262:45-48(1990)
Cited for: PROTEIN SEQUENCE OF 1-10.

Cross-references

Sequence databases

PIRS07055.
S09734.

3D structure databases

ModBaseSearch...
MobiDBSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Family and domain databases

Gene3D1.10.286.40. 1 hit.
InterProIPR000549. PSI_PsaG/PsaK.
IPR023618. PSI_PsaG/PsaK_dom.
[Graphical view]
PfamPF01241. PSI_PSAK. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry namePSAK_SPIOL
AccessionPrimary (citable) accession number: P14627
Entry history
Integrated into UniProtKB/Swiss-Prot: April 1, 1990
Last sequence update: August 1, 1990
Last modified: February 19, 2014
This is version 69 of the entry and version 2 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families