ID S4Z1D9_HORVS Unreviewed; 36 AA. AC S4Z1D9; DT 16-OCT-2013, integrated into UniProtKB/TrEMBL. DT 16-OCT-2013, sequence version 1. DT 14-DEC-2022, entry version 44. DE RecName: Full=Photosystem I reaction center subunit VIII {ECO:0000256|ARBA:ARBA00019929, ECO:0000256|HAMAP-Rule:MF_00431}; DE Short=PSI-I {ECO:0000256|HAMAP-Rule:MF_00431}; GN Name=psaI {ECO:0000256|HAMAP-Rule:MF_00431, GN ECO:0000313|EMBL:AGP50841.1}; OS Hordeum vulgare subsp. spontaneum (Wild barley) (Hordeum spontaneum). OG Plastid; Chloroplast {ECO:0000313|EMBL:AGP50841.1}. OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; OC Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade; OC Pooideae; Triticodae; Triticeae; Hordeinae; Hordeum. OX NCBI_TaxID=77009 {ECO:0000313|EMBL:AGP50841.1}; RN [1] {ECO:0000313|EMBL:AGP50841.1} RP NUCLEOTIDE SEQUENCE. RX PubMed=24614886; RA Middleton C.P., Senerchia N., Stein N., Akhunov E.D., Keller B., Wicker T., RA Kilian B.; RT "Sequencing of chloroplast genomes from wheat, barley, rye and their RT relatives provides a detailed insight into the evolution of the Triticeae RT tribe."; RL PLoS ONE 9:e85761-E85761(2014). RN [2] {ECO:0000313|EMBL:QDA21808.1} RP NUCLEOTIDE SEQUENCE. RC STRAIN=B1K-09-07 {ECO:0000313|EMBL:QDA21808.1}, and B1K-50-04 RC {ECO:0000313|EMBL:QDA21891.1}; RA Greiner S.; RT "Thermal plasticity of the circadian clock is under nuclear and cytoplasmic RT control in wild barley."; RL Submitted (AUG-2018) to the EMBL/GenBank/DDBJ databases. RN [3] {ECO:0000313|EMBL:QGL07111.1} RP NUCLEOTIDE SEQUENCE. RA Makarevich A., Siniauskaya M., Pankratov V., Liaudanski A.; RT "Organelle genomes phylogeny of wild and cultivated barley forms."; RL Submitted (JUL-2019) to the EMBL/GenBank/DDBJ databases. RN [4] {ECO:0007829|PDB:7F9O} RP STRUCTURE BY ELECTRON MICROSCOPY (3.40 ANGSTROMS). RX PubMed=34879391; DOI=10.1038/s41586-021-04277-6; RA Shen L., Tang K., Wang W., Wang C., Wu H., Mao Z., An S., Chang S., RA Kuang T., Shen J.R., Han G., Zhang X.; RT "Architecture of the chloroplast PSI-NDH supercomplex in Hordeum vulgare."; RL Nature 601:649-654(2022). CC -!- FUNCTION: May help in the organization of the PsaL subunit. CC {ECO:0000256|ARBA:ARBA00003541, ECO:0000256|HAMAP-Rule:MF_00431}. CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004167}; Single- CC pass membrane protein {ECO:0000256|ARBA:ARBA00004167}. Plastid, CC chloroplast thylakoid membrane {ECO:0000256|ARBA:ARBA00004581, CC ECO:0000256|HAMAP-Rule:MF_00431}; Single-pass membrane protein CC {ECO:0000256|ARBA:ARBA00004581, ECO:0000256|HAMAP-Rule:MF_00431}. CC -!- SIMILARITY: Belongs to the PsaI family. {ECO:0000256|ARBA:ARBA00005252, CC ECO:0000256|HAMAP-Rule:MF_00431}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; KC912688; AGP50841.1; -; Genomic_DNA. DR EMBL; KC912689; AGP50920.1; -; Genomic_DNA. DR EMBL; MH795066; QDA21808.1; -; Genomic_DNA. DR EMBL; MH795067; QDA21891.1; -; Genomic_DNA. DR EMBL; MN171376; QGL07111.1; -; Genomic_DNA. DR EMBL; MN171377; QGL07194.1; -; Genomic_DNA. DR EMBL; MN171378; QGL07277.1; -; Genomic_DNA. DR EMBL; MN171379; QGL07360.1; -; Genomic_DNA. DR EMBL; MN171380; QGL07443.1; -; Genomic_DNA. DR EMBL; MN171381; QGL07526.1; -; Genomic_DNA. DR EMBL; MN171382; QGL07609.1; -; Genomic_DNA. DR EMBL; MN171383; QGL07692.1; -; Genomic_DNA. DR EMBL; MN171384; QGL07775.1; -; Genomic_DNA. DR EMBL; MN171385; QGL07858.1; -; Genomic_DNA. DR PDB; 7F9O; EM; 4.50 A; I/l=1-36. DR SMR; S4Z1D9; -. DR GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell. DR GO; GO:0009522; C:photosystem I; IEA:UniProtKB-KW. DR GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule. DR HAMAP; MF_00431; PSI_PsaI; 1. DR InterPro; IPR001302; PSI_PsaI. DR InterPro; IPR036357; PSI_PsaI_sf. DR PANTHER; PTHR35775; -; 1. DR Pfam; PF00796; PSI_8; 1. DR SUPFAM; SSF81540; Subunit VIII of photosystem I reaction centre, PsaI; 1. DR TIGRFAMs; TIGR03052; PS_I_psaI; 1. PE 1: Evidence at protein level; KW 3D-structure {ECO:0007829|PDB:7F9O}; KW Chloroplast {ECO:0000313|EMBL:AGP50841.1}; KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_00431}; KW Photosynthesis {ECO:0000256|ARBA:ARBA00022531, ECO:0000256|HAMAP- KW Rule:MF_00431}; KW Photosystem I {ECO:0000256|ARBA:ARBA00022836, ECO:0000256|HAMAP- KW Rule:MF_00431}; Plastid {ECO:0000313|EMBL:AGP50841.1}; KW Thylakoid {ECO:0000256|ARBA:ARBA00023078, ECO:0000256|HAMAP-Rule:MF_00431}; KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|HAMAP- KW Rule:MF_00431}; KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989, ECO:0000256|HAMAP- KW Rule:MF_00431}. FT TRANSMEM 6..30 FT /note="Helical" FT /evidence="ECO:0000256|HAMAP-Rule:MF_00431" SQ SEQUENCE 36 AA; 4008 MW; 4B94E243933486C5 CRC64; MTDLNLPSIF VPLVGLVFPA IAMTSLFLYV QKKKIV //