ID   PSAH_HORVU              Reviewed;         143 AA.
AC   P20143;
DT   01-FEB-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1991, sequence version 1.
DT   03-AUG-2022, entry version 93.
DE   RecName: Full=Photosystem I reaction center subunit VI, chloroplastic;
DE            Short=PSI-H;
DE   AltName: Full=Light-harvesting complex I 11 kDa protein;
DE   Flags: Precursor;
GN   Name=PSAH;
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 PARTIAL PROTEIN SEQUENCE.
RX   PubMed=2666162; DOI=10.1016/0014-5793(89)80799-9;
RA   Okkels J.S., Scheller H.V., Jepsen L.B., Moeller B.L.;
RT   "A cDNA clone encoding the precursor for a 10.2 kDa photosystem I
RT   polypeptide of barley.";
RL   FEBS Lett. 250:575-579(1989).
CC   -!- FUNCTION: Possible role could be the docking of the LHC I antenna
CC       complex to the core complex.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane; Single-
CC       pass membrane protein.
CC   -!- SIMILARITY: Belongs to the psaH family. {ECO:0000305}.
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DR   EMBL; X16092; CAA34218.1; -; mRNA.
DR   PIR; S05012; S05012.
DR   PDB; 7EW6; EM; 3.40 A; H=1-143.
DR   PDB; 7F9O; EM; 4.50 A; H/k=1-143.
DR   PDBsum; 7EW6; -.
DR   PDBsum; 7F9O; -.
DR   AlphaFoldDB; P20143; -.
DR   SMR; P20143; -.
DR   ExpressionAtlas; P20143; 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:0009538; C:photosystem I reaction center; IEA:InterPro.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   InterPro; IPR004928; PSI_PsaH.
DR   PANTHER; PTHR34787; PTHR34787; 1.
DR   Pfam; PF03244; PSI_PsaH; 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..48
FT                   /note="Chloroplast"
FT   CHAIN           49..143
FT                   /note="Photosystem I reaction center subunit VI,
FT                   chloroplastic"
FT                   /id="PRO_0000029416"
FT   TRANSMEM        100..120
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   HELIX           84..91
FT                   /evidence="ECO:0007829|PDB:7EW6"
FT   HELIX           93..95
FT                   /evidence="ECO:0007829|PDB:7EW6"
FT   HELIX           98..118
FT                   /evidence="ECO:0007829|PDB:7EW6"
FT   TURN            122..124
FT                   /evidence="ECO:0007829|PDB:7EW6"
FT   TURN            126..128
FT                   /evidence="ECO:0007829|PDB:7EW6"
SQ   SEQUENCE   143 AA;  14882 MW;  16D72FF36C9D46C2 CRC64;
     MASLVAVQPA AVKGLSGSSI SGRKLAVRPS SAAVSRSTRR ARGAAVVAKY GEKSVYFDLD
     DIANTTGQWD LYGSDAPSPY NGLQSKFFNT FAAPFTKRGL LLKFLLIGGG SLVAYVSASA
     SPDLLPIKKG PQLPPTPGPR GKI