PSAE_SYNY3
ID PSAE_SYNY3 Reviewed; 74 AA.
AC P12975; P74289;
DT 01-OCT-1989, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 4.
DT 03-AUG-2022, entry version 155.
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=ssr2831;
OS Synechocystis sp. (strain PCC 6803 / Kazusa).
OC Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC unclassified Synechocystis.
OX NCBI_TaxID=1111708;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=2509456; DOI=10.1016/s0021-9258(18)51474-5;
RA Chitnis P.R., Reilly P.A., Miedel M.C., Nelson N.;
RT "Structure and targeted mutagenesis of the gene encoding 8-kDa subunit of
RT photosystem I from the cyanobacterium Synechocystis sp. PCC 6803.";
RL J. Biol. Chem. 264:18374-18380(1989).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 6803 / Kazusa;
RX PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT "Sequence analysis of the genome of the unicellular cyanobacterium
RT Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT genome and assignment of potential protein-coding regions.";
RL DNA Res. 3:109-136(1996).
RN [3]
RP PROTEIN SEQUENCE OF 2-74.
RX PubMed=2105239; DOI=10.1016/0014-5793(90)80113-w;
RA Rousseau F., Lagoutte B.;
RT "Amino acid sequence of photosystem I subunit IV from the cyanobacterium
RT Synechocystis PCC 6803.";
RL FEBS Lett. 260:241-244(1990).
RN [4]
RP PROTEIN SEQUENCE OF 1-21.
RX PubMed=9298645; DOI=10.1002/elps.1150180806;
RA Sazuka T., Ohara O.;
RT "Towards a proteome project of cyanobacterium Synechocystis sp. strain
RT PCC6803: linking 130 protein spots with their respective genes.";
RL Electrophoresis 18:1252-1258(1997).
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; J05079; AAA88629.1; -; Genomic_DNA.
DR EMBL; BA000022; BAA18383.1; -; Genomic_DNA.
DR PIR; S75924; F1YB4.
DR PDB; 1GXI; NMR; -; E=2-74.
DR PDB; 4KT0; X-ray; 2.80 A; E=1-74.
DR PDB; 4L6V; X-ray; 3.80 A; 5/E/e=1-74.
DR PDB; 5OY0; X-ray; 2.50 A; 5/E=2-70, e=2-69.
DR PDB; 6HQB; X-ray; 4.00 A; E=2-70.
DR PDB; 6NWA; EM; 3.48 A; E/P/e=1-74.
DR PDB; 6UZV; EM; 3.10 A; 5/E/e=1-74.
DR PDB; 7O1V; EM; 4.31 A; E=2-70.
DR PDBsum; 1GXI; -.
DR PDBsum; 4KT0; -.
DR PDBsum; 4L6V; -.
DR PDBsum; 5OY0; -.
DR PDBsum; 6HQB; -.
DR PDBsum; 6NWA; -.
DR PDBsum; 6UZV; -.
DR PDBsum; 7O1V; -.
DR AlphaFoldDB; P12975; -.
DR BMRB; P12975; -.
DR SMR; P12975; -.
DR IntAct; P12975; 4.
DR STRING; 1148.1653469; -.
DR PaxDb; P12975; -.
DR PRIDE; P12975; -.
DR EnsemblBacteria; BAA18383; BAA18383; BAA18383.
DR KEGG; syn:ssr2831; -.
DR eggNOG; ENOG503313D; Bacteria.
DR InParanoid; P12975; -.
DR OMA; NYSGINT; -.
DR PhylomeDB; P12975; -.
DR BioCyc; MetaCyc:PSAE-MON; -.
DR EvolutionaryTrace; P12975; -.
DR Proteomes; UP000001425; 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 3D-structure; Direct protein sequencing; Membrane; Photosynthesis;
KW Photosystem I; Reference proteome; Thylakoid.
FT INIT_MET 1
FT /note="Removed"
FT /evidence="ECO:0000269|PubMed:2105239"
FT CHAIN 2..74
FT /note="Photosystem I reaction center subunit IV"
FT /id="PRO_0000204414"
FT CONFLICT 10
FT /note="R -> S (in Ref. 1; AAA88629)"
FT /evidence="ECO:0000305"
FT CONFLICT 26
FT /note="A -> G (in Ref. 3; AA sequence)"
FT /evidence="ECO:0000305"
FT STRAND 8..11
FT /evidence="ECO:0007829|PDB:5OY0"
FT STRAND 14..16
FT /evidence="ECO:0007829|PDB:5OY0"
FT TURN 17..20
FT /evidence="ECO:0007829|PDB:1GXI"
FT STRAND 21..28
FT /evidence="ECO:0007829|PDB:5OY0"
FT STRAND 33..35
FT /evidence="ECO:0007829|PDB:1GXI"
FT STRAND 37..40
FT /evidence="ECO:0007829|PDB:5OY0"
FT TURN 48..50
FT /evidence="ECO:0007829|PDB:1GXI"
FT STRAND 53..55
FT /evidence="ECO:0007829|PDB:1GXI"
FT STRAND 58..61
FT /evidence="ECO:0007829|PDB:5OY0"
FT HELIX 63..65
FT /evidence="ECO:0007829|PDB:5OY0"
FT STRAND 66..68
FT /evidence="ECO:0007829|PDB:5OY0"
SQ SEQUENCE 74 AA; 8145 MW; 162AD1998CE96C4A CRC64;
MALNRGDKVR IKRTESYWYG DVGTVASVEK SGILYPVIVR FDRVNYNGFS GSASGVNTNN
FAENELELVQ AAAK
