ID   PSAE_NOSP7              Reviewed;          71 AA.
AC   B2J5G1;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   25-MAY-2022, entry version 59.
DE   RecName: Full=Photosystem I reaction center subunit IV {ECO:0000255|HAMAP-Rule:MF_00613};
GN   Name=psaE {ECO:0000255|HAMAP-Rule:MF_00613}; OrderedLocusNames=Npun_R3937;
OS   Nostoc punctiforme (strain ATCC 29133 / PCC 73102).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=63737;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29133 / PCC 73102;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Meeks J.C., Elhai J.,
RA   Campbell E.L., Thiel T., Longmire J., Potts M., Atlas R.;
RT   "Complete sequence of chromosome of Nostoc punctiforme ATCC 29133.";
RL   Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Stabilizes the interaction between PsaC and the PSI core,
CC       assists the docking of the ferredoxin to PSI and interacts with
CC       ferredoxin-NADP oxidoreductase. {ECO:0000255|HAMAP-Rule:MF_00613}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00613}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00613}.
CC   -!- SIMILARITY: Belongs to the PsaE family. {ECO:0000255|HAMAP-
CC       Rule:MF_00613}.
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DR   EMBL; CP001037; ACC82318.1; -; Genomic_DNA.
DR   RefSeq; WP_012410286.1; NC_010628.1.
DR   AlphaFoldDB; B2J5G1; -.
DR   SMR; B2J5G1; -.
DR   STRING; 63737.Npun_R3937; -.
DR   EnsemblBacteria; ACC82318; ACC82318; Npun_R3937.
DR   KEGG; npu:Npun_R3937; -.
DR   eggNOG; ENOG503313D; Bacteria.
DR   HOGENOM; CLU_136462_2_1_3; -.
DR   OMA; NYSGINT; -.
DR   OrthoDB; 1994429at2; -.
DR   PhylomeDB; B2J5G1; -.
DR   Proteomes; UP000001191; Chromosome.
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   HAMAP; MF_00613; PSI_PsaE; 1.
DR   InterPro; IPR008990; Elect_transpt_acc-like_dom_sf.
DR   InterPro; IPR003375; PSI_PsaE.
DR   PANTHER; PTHR34549; PTHR34549; 1.
DR   Pfam; PF02427; PSI_PsaE; 1.
DR   SUPFAM; SSF50090; SSF50090; 1.
PE   3: Inferred from homology;
KW   Membrane; Photosynthesis; Photosystem I; Reference proteome; Thylakoid.
FT   CHAIN           1..71
FT                   /note="Photosystem I reaction center subunit IV"
FT                   /id="PRO_1000130400"
SQ   SEQUENCE   71 AA;  8056 MW;  96B3BD262C9FA887 CRC64;
     MVQRGSKVRI LRPESYWFQD LGTVASIDQS GIKYPVIVRF EKVNYSGINT NNFAQDELVE
     VEAPKAKPAK K