ID   PSAL_TRIV2              Reviewed;         172 AA.
AC   P31092; Q3MD37;
DT   01-JUL-1993, integrated into UniProtKB/Swiss-Prot.
DT   04-APR-2006, sequence version 2.
DT   25-MAY-2022, entry version 126.
DE   RecName: Full=Photosystem I reaction center subunit XI;
DE   AltName: Full=PSI subunit V;
DE   AltName: Full=PSI-L;
GN   Name=psaL; OrderedLocusNames=Ava_1476;
OS   Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Trichormus.
OX   NCBI_TaxID=240292;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29413 / PCC 7937;
RX   PubMed=25197444; DOI=10.4056/sigs.3899418;
RA   Thiel T., Pratte B.S., Zhong J., Goodwin L., Copeland A., Lucas S., Han C.,
RA   Pitluck S., Land M.L., Kyrpides N.C., Woyke T.;
RT   "Complete genome sequence of Anabaena variabilis ATCC 29413.";
RL   Stand. Genomic Sci. 9:562-573(2014).
RN   [2]
RP   PROTEIN SEQUENCE OF 10-57 AND 66-83.
RX   PubMed=1618755; DOI=10.1016/s0021-9258(18)42303-4;
RA   Nyhus K.J., Ikeuchi M., Inoue Y., Whitmarsh J., Pakrasi H.B.;
RT   "Purification and characterization of the photosystem I complex from the
RT   filamentous cyanobacterium Anabaena variabilis ATCC 29413.";
RL   J. Biol. Chem. 267:12489-12495(1992).
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000305}; Multi-
CC       pass membrane protein {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the PsaL family. {ECO:0000305}.
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DR   EMBL; CP000117; ABA21099.1; -; Genomic_DNA.
DR   AlphaFoldDB; P31092; -.
DR   SMR; P31092; -.
DR   STRING; 240292.Ava_1476; -.
DR   EnsemblBacteria; ABA21099; ABA21099; Ava_1476.
DR   KEGG; ava:Ava_1476; -.
DR   eggNOG; ENOG502ZMJ2; Bacteria.
DR   HOGENOM; CLU_092204_1_0_3; -.
DR   OMA; GPFTICG; -.
DR   Proteomes; UP000002533; Chromosome.
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:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR   Gene3D; 1.20.1240.10; -; 1.
DR   HAMAP; MF_00447; PSI_PsaL; 1.
DR   InterPro; IPR003757; PSI_PsaL.
DR   InterPro; IPR036592; PSI_PsaL_sf.
DR   InterPro; IPR022980; PSI_suXI.
DR   PANTHER; PTHR34803; PTHR34803; 1.
DR   Pfam; PF02605; PsaL; 1.
DR   SUPFAM; SSF81568; SSF81568; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Membrane; Photosynthesis; Photosystem I;
KW   Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..172
FT                   /note="Photosystem I reaction center subunit XI"
FT                   /id="PRO_0000194695"
FT   TRANSMEM        92..112
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        147..167
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   REGION          1..24
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   CONFLICT        45..47
FT                   /note="WFI -> KFF (in Ref. 2; AA sequence)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        51
FT                   /note="P -> T (in Ref. 2; AA sequence)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        81
FT                   /note="Missing (in Ref. 2; AA sequence)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   172 AA;  18196 MW;  4B46AD2FB1D331E0 CRC64;
     MAQAVDASKN LPSDPRNREV VFPAGRDPQW GNLETPVNAS PLVKWFINNL PAYRPGLTPF
     RRGLEVGMAH GYFLFGPFAK LGPLRDAANA NLAGLLGAIG LVVLFTLSLS LYANSNPPKA
     LASVTVPNPP DAFQSKEGWN NFASAFLIGG IGGAVVAYFL TSNFALIQGL VG