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Protein

Photosystem I reaction center subunit psaK, chloroplastic

Gene

PSAK

Organism
Hordeum vulgare (Barley)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

GO - Biological processi

Keywordsi

Biological processPhotosynthesis

Names & Taxonomyi

Protein namesi
Recommended name:
Photosystem I reaction center subunit psaK, chloroplastic
Alternative name(s):
Light-harvesting complex I 7 kDa protein
PSI-K
Photosystem I subunit X
Gene namesi
Name:PSAK
OrganismiHordeum vulgare (Barley)
Taxonomic identifieri4513 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaeBOP cladePooideaeTriticodaeTriticeaeHordeinaeHordeum

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cell wall Cytoskeleton Vacuole Chloroplast Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertion Graphics by Christian Stolte; Source: COMPARTMENTS

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Transmembranei49 – 69HelicalSequence analysisAdd BLAST21
Transmembranei95 – 120HelicalSequence analysisAdd BLAST26

Keywords - Cellular componenti

Chloroplast, Membrane, Photosystem I, Plastid, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Transit peptidei1 – 42Chloroplast1 PublicationAdd BLAST42
ChainiPRO_000002939443 – 131Photosystem I reaction center subunit psaK, chloroplasticAdd BLAST89

Proteomic databases

PRIDEiP36886

Expressioni

Gene expression databases

ExpressionAtlasiP36886 baseline and differential

Interactioni

Protein-protein interaction databases

IntActiP36886, 1 interactor

Structurei

Secondary structure

1131
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Turni45 – 52Combined sources8
Helixi53 – 61Combined sources9
Turni62 – 64Combined sources3
Helixi65 – 68Combined sources4
Beta strandi78 – 82Combined sources5
Helixi95 – 98Combined sources4
Helixi101 – 104Combined sources4
Beta strandi107 – 109Combined sources3
Turni110 – 112Combined sources3
Beta strandi113 – 115Combined sources3

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
2WSCX-ray3.30K1-131[»]
2WSEX-ray3.49K1-131[»]
2WSFX-ray3.48K1-131[»]
DisProtiDP00792
ProteinModelPortaliP36886
SMRiP36886
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the PsaG/PsaK family.Curated

Keywords - Domaini

Transit peptide, Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiENOG410IZCA Eukaryota
ENOG4111RY5 LUCA

Family and domain databases

Gene3Di1.10.286.40, 1 hit
InterProiView protein in InterPro
IPR017493 PSAK
IPR035982 PSI_centre_PsaK_sf
IPR000549 PSI_PsaG/PsaK
IPR023618 PSI_PsaG/PsaK_dom
IPR016370 PSI_PsaG/PsaK_pln
PfamiView protein in Pfam
PF01241 PSI_PSAK, 1 hit
PIRSFiPIRSF002912 PSI_PsaK, 1 hit
SUPFAMiSSF81563 SSF81563, 1 hit
TIGRFAMsiTIGR03050 PS_I_psaK_plant, 1 hit
PROSITEiView protein in PROSITE
PS01026 PHOTOSYSTEM_I_PSAGK, 1 hit

Sequencei

Sequence statusi: Complete.

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

P36886-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MASQLSAMTS VPQFHGLRTY SSPRSMATLP SLRRRRSQGI RCDYIGSSTN
60 70 80 90 100
LIMVTTTTLM LFAGRFGLAP SANRKATAGL KLEARESGLQ TGDPAGFTLA
110 120 130
DTLACGAVGH IMGVGIVLGL KNTGVLDQII G
Length:131
Mass (Da):13,728
Last modified:June 1, 1994 - v1
Checksum:i20923394261F7595
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
L12707 mRNA Translation: AAA03043.1
PIRiA48527

Similar proteinsi

Entry informationi

Entry nameiPSAK_HORVU
AccessioniPrimary (citable) accession number: P36886
Entry historyiIntegrated into UniProtKB/Swiss-Prot: June 1, 1994
Last sequence update: June 1, 1994
Last modified: May 23, 2018
This is version 88 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Direct protein sequencing

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families
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