PSAE_SYNP6
ID PSAE_SYNP6 Reviewed; 75 AA.
AC P23077;
DT 01-NOV-1991, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 3.
DT 25-MAY-2022, entry version 130.
DE RecName: Full=Photosystem I reaction center subunit IV;
DE AltName: Full=Photosystem I 8.1 kDa protein;
DE AltName: Full=p30 protein;
GN Name=psaE; OrderedLocusNames=syc0231_c;
OS Synechococcus sp. (strain ATCC 27144 / PCC 6301 / SAUG 1402/1) (Anacystis
OS nidulans).
OC Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus.
OX NCBI_TaxID=269084;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=8278517; DOI=10.1104/pp.101.2.701;
RA Rhiel E., Bryant D.A.;
RT "Nucleotide sequence of the psaE gene of cyanobacterium Synechococcus sp.
RT PCC 6301.";
RL Plant Physiol. 101:701-702(1993).
RN [2]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA Bryant D.A., Rhiel E., de Lorimier R., Zhou J., Stirewalt V.L.,
RA Gasparich G.E., Dubbs J.M., Snyder W.;
RL (In) Baltscheffsky M. (eds.);
RL Current research in photosynthesis, pp.2:1-9, Kluwer Academic Publishers,
RL Dordrecht (1990).
RN [3]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 27144 / PCC 6301 / SAUG 1402/1;
RX PubMed=17211581; DOI=10.1007/s11120-006-9122-4;
RA Sugita C., Ogata K., Shikata M., Jikuya H., Takano J., Furumichi M.,
RA Kanehisa M., Omata T., Sugiura M., Sugita M.;
RT "Complete nucleotide sequence of the freshwater unicellular cyanobacterium
RT Synechococcus elongatus PCC 6301 chromosome: gene content and
RT organization.";
RL Photosyn. Res. 93:55-67(2007).
RN [4]
RP PROTEIN SEQUENCE OF 2-43.
RA Alhadeff M., Lundell D.J., Glazer A.N.;
RT "Structural studies on cyanobacterial photosystem I. Purification and
RT characterization of two low molecular weight polypeptides.";
RL Arch. Microbiol. 150:482-488(1988).
RN [5]
RP PROTEIN SEQUENCE OF 2-19.
RX PubMed=1653017; DOI=10.1016/s0005-2728(05)80206-3;
RA Li N., Warren P.V., Golbeck J.H., Frank G., Zuber H., Bryant D.A.;
RT "Polypeptide composition of the Photosystem I complex and the Photosystem I
RT core protein from Synechococcus sp. PCC 6301.";
RL Biochim. Biophys. Acta 1059:215-225(1991).
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.
CC -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000250};
CC Peripheral membrane protein {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the PsaE family. {ECO:0000305}.
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DR EMBL; M99432; AAA18568.1; -; Genomic_DNA.
DR EMBL; AP008231; BAD78421.1; -; Genomic_DNA.
DR PIR; PL0035; PL0035.
DR RefSeq; WP_011242545.1; NC_006576.1.
DR AlphaFoldDB; P23077; -.
DR SMR; P23077; -.
DR STRING; 269084.syc0231_c; -.
DR EnsemblBacteria; BAD78421; BAD78421; syc0231_c.
DR KEGG; syc:syc0231_c; -.
DR eggNOG; ENOG503313D; Bacteria.
DR OMA; NYSGINT; -.
DR Proteomes; UP000001175; 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 1: Evidence at protein level;
KW Direct protein sequencing; Membrane; Photosynthesis; Photosystem I;
KW Thylakoid.
FT INIT_MET 1
FT /note="Removed"
FT /evidence="ECO:0000269|PubMed:1653017, ECO:0000269|Ref.4"
FT CHAIN 2..75
FT /note="Photosystem I reaction center subunit IV"
FT /id="PRO_0000204411"
FT CONFLICT 30
FT /note="Q -> E (in Ref. 4; AA sequence)"
FT /evidence="ECO:0000305"
SQ SEQUENCE 75 AA; 8138 MW; 9AC5B2D518D6B551 CRC64;
MAIARGDKVR ILRPESYWFN EVGTVASVDQ SGIKYPVVVR FEKVNYNGFS GSDGGVNTNN
FAEAELQVVA AAAKK
