ID   PSAL_MASLA              Reviewed;         173 AA.
AC   O31126;
DT   15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   25-MAY-2022, entry version 79.
DE   RecName: Full=Photosystem I reaction center subunit XI;
DE   AltName: Full=PSI subunit V;
DE   AltName: Full=PSI-L;
GN   Name=psaL;
OS   Mastigocladus laminosus (Fischerella sp.).
OC   Bacteria; Cyanobacteria; Nostocales; Hapalosiphonaceae; Mastigocladus.
OX   NCBI_TaxID=83541;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=PCC 7605;
RA   He Z.-Y., Chitnis P.R., Nechushtai R.;
RT   "Molecular cloning of the psaL gene for photosystem I subunit XI from the
RT   thermophilic cyanobacterium Mastigocladus laminosus.";
RL   (er) Plant Gene Register PGR98-025(1998).
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000250}; Multi-
CC       pass membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the PsaL family. {ECO:0000305}.
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DR   EMBL; AF030003; AAC04841.1; -; Genomic_DNA.
DR   AlphaFoldDB; O31126; -.
DR   SMR; O31126; -.
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   3: Inferred from homology;
KW   Membrane; Photosynthesis; Photosystem I; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..173
FT                   /note="Photosystem I reaction center subunit XI"
FT                   /id="PRO_0000194696"
FT   TRANSMEM        92..112
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        142..162
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   173 AA;  18444 MW;  24E04D10B908715D CRC64;
     MAQAIDASKN SPSDPRNREV VFPAYRDPQI GDLETPINSS PLVKWFIGNL PAYRPGITTF
     RRGLEVGMAH GYWIFGPFAK LGPLRNTVNA NLAGLLSALG LIIILTGALT LYANSKPPKP
     VKSVATPNPP EAFQSSEGWN NFASAFLIGG IGGAVVAYFL TSNLELIQSL FGG