PSAK_HORVU
ID PSAK_HORVU Reviewed; 131 AA.
AC P36886;
DT 01-JUN-1994, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-1994, sequence version 1.
DT 25-MAY-2022, entry version 100.
DE RecName: Full=Photosystem I reaction center subunit psaK, chloroplastic;
DE AltName: Full=Light-harvesting complex I 7 kDa protein;
DE AltName: Full=PSI-K;
DE AltName: Full=Photosystem I subunit X;
DE Flags: Precursor;
GN Name=PSAK;
OS Hordeum vulgare (Barley).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC Pooideae; Triticodae; Triticeae; Hordeinae; Hordeum.
OX NCBI_TaxID=4513;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA], AND PROTEIN SEQUENCE OF 43-62.
RC STRAIN=cv. Svalofs Bonus;
RX PubMed=8360180; DOI=10.1016/s0021-9258(17)46713-5;
RA Kjaerulff S., Andersen B., Nielsen V.S., Moeller B.L., Okkels J.S.;
RT "The PSI-K subunit of photosystem I from barley (Hordeum vulgare L.).
RT Evidence for a gene duplication of an ancestral PSI-G/K gene.";
RL J. Biol. Chem. 268:18912-18916(1993).
CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC {ECO:0000305}; Multi-pass membrane protein {ECO:0000305}.
CC -!- SIMILARITY: Belongs to the PsaG/PsaK family. {ECO:0000305}.
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DR EMBL; L12707; AAA03043.1; -; mRNA.
DR PIR; A48527; A48527.
DR PDB; 2WSC; X-ray; 3.30 A; K=1-131.
DR PDB; 2WSE; X-ray; 3.49 A; K=1-131.
DR PDB; 2WSF; X-ray; 3.48 A; K=1-131.
DR PDB; 7EW6; EM; 3.40 A; K=1-131.
DR PDB; 7F9O; EM; 4.50 A; K/n=1-131.
DR PDBsum; 2WSC; -.
DR PDBsum; 2WSE; -.
DR PDBsum; 2WSF; -.
DR PDBsum; 7EW6; -.
DR PDBsum; 7F9O; -.
DR AlphaFoldDB; P36886; -.
DR SMR; P36886; -.
DR EnsemblPlants; HORVU.MOREX.r2.2HG0126290.1; HORVU.MOREX.r2.2HG0126290.1; HORVU.MOREX.r2.2HG0126290.
DR EnsemblPlants; HORVU.MOREX.r2.2HG0126290.1.mrna1; HORVU.MOREX.r2.2HG0126290.1.mrna1; HORVU.MOREX.r2.2HG0126290.1.
DR Gramene; HORVU.MOREX.r2.2HG0126290.1; HORVU.MOREX.r2.2HG0126290.1; HORVU.MOREX.r2.2HG0126290.
DR Gramene; HORVU.MOREX.r2.2HG0126290.1.mrna1; HORVU.MOREX.r2.2HG0126290.1.mrna1; HORVU.MOREX.r2.2HG0126290.1.
DR OMA; CGYIGSP; -.
DR ExpressionAtlas; P36886; baseline and differential.
DR GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0009522; C:photosystem I; IEA:UniProtKB-KW.
DR GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR DisProt; DP00792; -.
DR Gene3D; 1.10.286.40; -; 1.
DR InterPro; IPR035982; PSI_centre_PsaK_sf.
DR InterPro; IPR000549; PSI_PsaG/PsaK.
DR InterPro; IPR023618; PSI_PsaG/PsaK_dom.
DR InterPro; IPR016370; PSI_PsaG/PsaK_pln.
DR InterPro; IPR017493; PSI_PsaK_pln.
DR PANTHER; PTHR34195; PTHR34195; 1.
DR Pfam; PF01241; PSI_PSAK; 1.
DR PIRSF; PIRSF002912; PSI_PsaK; 1.
DR SUPFAM; SSF81563; SSF81563; 1.
DR TIGRFAMs; TIGR03050; PS_I_psaK_plant; 1.
DR PROSITE; PS01026; PHOTOSYSTEM_I_PSAGK; 1.
PE 1: Evidence at protein level;
KW 3D-structure; Chloroplast; Direct protein sequencing; Membrane;
KW Photosynthesis; Photosystem I; Plastid; Thylakoid; Transit peptide;
KW Transmembrane; Transmembrane helix.
FT TRANSIT 1..42
FT /note="Chloroplast"
FT /evidence="ECO:0000269|PubMed:8360180"
FT CHAIN 43..131
FT /note="Photosystem I reaction center subunit psaK,
FT chloroplastic"
FT /id="PRO_0000029394"
FT TRANSMEM 49..69
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 95..120
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TURN 45..52
FT /evidence="ECO:0007829|PDB:2WSC"
FT HELIX 53..61
FT /evidence="ECO:0007829|PDB:2WSC"
FT TURN 62..64
FT /evidence="ECO:0007829|PDB:2WSC"
FT HELIX 65..68
FT /evidence="ECO:0007829|PDB:2WSC"
FT STRAND 78..82
FT /evidence="ECO:0007829|PDB:2WSC"
FT HELIX 95..98
FT /evidence="ECO:0007829|PDB:2WSC"
FT HELIX 101..104
FT /evidence="ECO:0007829|PDB:2WSC"
FT STRAND 107..109
FT /evidence="ECO:0007829|PDB:2WSC"
FT TURN 110..112
FT /evidence="ECO:0007829|PDB:2WSC"
FT STRAND 113..115
FT /evidence="ECO:0007829|PDB:2WSC"
SQ SEQUENCE 131 AA; 13728 MW; 20923394261F7595 CRC64;
MASQLSAMTS VPQFHGLRTY SSPRSMATLP SLRRRRSQGI RCDYIGSSTN LIMVTTTTLM
LFAGRFGLAP SANRKATAGL KLEARESGLQ TGDPAGFTLA DTLACGAVGH IMGVGIVLGL
KNTGVLDQII G
