(data stored in SCRATCH zone)

SWISSPROT: PSAC_THEEB

ID   PSAC_THEEB              Reviewed;          81 AA.
AC   P0A415; P18083; P20451;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   11-DEC-2019, entry version 100.
DE   RecName: Full=Photosystem I iron-sulfur center;
DE            EC=1.97.1.12;
DE   AltName: Full=9 kDa polypeptide;
DE   AltName: Full=PSI-C;
DE   AltName: Full=Photosystem I subunit VII;
DE   AltName: Full=PsaC;
GN   Name=psaC; OrderedLocusNames=tsl1013;
OS   Thermosynechococcus elongatus (strain BP-1).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae;
OC   Thermosynechococcus.
OX   NCBI_TaxID=197221;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BP-1;
RX   PubMed=12240834; DOI=10.1093/dnares/9.4.123;
RA   Nakamura Y., Kaneko T., Sato S., Ikeuchi M., Katoh H., Sasamoto S.,
RA   Watanabe A., Iriguchi M., Kawashima K., Kimura T., Kishida Y., Kiyokawa C.,
RA   Kohara M., Matsumoto M., Matsuno A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takeuchi C., Yamada M., Tabata S.;
RT   "Complete genome structure of the thermophilic cyanobacterium
RT   Thermosynechococcus elongatus BP-1.";
RL   DNA Res. 9:123-130(2002).
RN   [2]
RP   REVIEW.
RX   PubMed=11687205; DOI=10.1016/s0005-2728(01)00195-5;
RA   Fromme P., Jordan P., Krauss N.;
RT   "Structure of photosystem I.";
RL   Biochim. Biophys. Acta 1507:5-31(2001).
RN   [3]
RP   X-RAY CRYSTALLOGRAPHY (4.0 ANGSTROMS), SUBUNIT, AND SUBCELLULAR LOCATION.
RX   PubMed=8901876; DOI=10.1038/nsb1196-965;
RA   Krauss N., Schubert W.-D., Klukas O., Fromme P., Witt H.T., Saenger W.;
RT   "Photosystem I at 4-A resolution represents the first structural model of a
RT   joint photosynthetic reaction centre and core antenna system.";
RL   Nat. Struct. Biol. 3:965-973(1996).
RN   [4]
RP   X-RAY CRYSTALLOGRAPHY (4.0 ANGSTROMS), SUBUNIT, AND SUBCELLULAR LOCATION.
RX   PubMed=10066799; DOI=10.1074/jbc.274.11.7351;
RA   Klukas O., Schubert W.-D., Jordan P., Krauss N., Fromme P., Witt H.T.,
RA   Saenger W.;
RT   "Photosystem I, an improved model of the stromal subunits PsaC, PsaD, and
RT   PsaE.";
RL   J. Biol. Chem. 274:7351-7360(1999).
RN   [5]
RP   X-RAY CRYSTALLOGRAPHY (2.5 ANGSTROMS) OF 2-81 IN COMPLEX WITH 4FE-4S
RP   CLUSTER, COFACTOR, SUBUNIT, AND SUBCELLULAR LOCATION.
RX   PubMed=11418848; DOI=10.1038/35082000;
RA   Jordan P., Fromme P., Witt H.T., Klukas O., Saenger W., Krauss N.;
RT   "Three-dimensional structure of cyanobacterial photosystem I at 2.5 A
RT   resolution.";
RL   Nature 411:909-917(2001).
CC   -!- FUNCTION: Apoprotein for the two 4Fe-4S centers FA and FB of
CC       photosystem I (PSI); essential for photochemical activity. FB is the
CC       terminal electron acceptor of PSI, donating electrons to ferredoxin.
CC       The C-terminus interacts with PsaA/B/D and helps assemble the protein
CC       into the PSI complex. Required for binding of PsaD and PsaE to PSI. PSI
CC       is a plastocyanin/cytochrome c6-ferredoxin oxidoreductase, converting
CC       photonic excitation into a charge separation, which transfers an
CC       electron from the donor P700 chlorophyll pair to the spectroscopically
CC       characterized acceptors A0, A1, FX, FA and FB in turn.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=hnu + oxidized [2Fe-2S]-[ferredoxin] + reduced [plastocyanin]
CC         = oxidized [plastocyanin] + reduced [2Fe-2S]-[ferredoxin];
CC         Xref=Rhea:RHEA:30407, Rhea:RHEA-COMP:10000, Rhea:RHEA-COMP:10001,
CC         Rhea:RHEA-COMP:10039, Rhea:RHEA-COMP:10040, ChEBI:CHEBI:29036,
CC         ChEBI:CHEBI:30212, ChEBI:CHEBI:33737, ChEBI:CHEBI:33738,
CC         ChEBI:CHEBI:49552; EC=1.97.1.12;
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000269|PubMed:11418848};
CC       Note=Binds 2 [4Fe-4S] clusters. Cluster 2 is most probably the
CC       spectroscopically characterized electron acceptor FA and cluster 1 is
CC       most probably FB. {ECO:0000305|PubMed:11418848};
CC   -!- SUBUNIT: The cyanobacterial PSI reaction center is composed of one copy
CC       each of PsaA,B,C,D,E,F,I,J,K,L,M and X, and forms trimeric complexes.
CC       {ECO:0000269|PubMed:10066799, ECO:0000269|PubMed:11418848,
CC       ECO:0000269|PubMed:8901876}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane
CC       {ECO:0000269|PubMed:10066799, ECO:0000269|PubMed:11418848,
CC       ECO:0000269|PubMed:8901876}; Peripheral membrane protein
CC       {ECO:0000269|PubMed:11418848}; Cytoplasmic side
CC       {ECO:0000269|PubMed:11418848}.
DR   EMBL; BA000039; BAC08565.1; -; Genomic_DNA.
DR   RefSeq; NP_681803.1; NC_004113.1.
DR   RefSeq; WP_011056855.1; NC_004113.1.
DR   PDB; 1C51; X-ray; 4.0 A; -.
DR   PDB; 1JB0; X-ray; 2.50 A; C=2-81.
DR   PDB; 2PPS; X-ray; 4.0 A; -.
DR   PDB; 3PCQ; X-ray; 8.98 A; C=2-81.
DR   PDB; 4FE1; X-ray; 4.92 A; C=2-81.
DR   PDB; 5ZF0; X-ray; 4.20 A; C1/C2/C3/C4/C5/C6=2-81.
DR   PDBsum; 1C51; -.
DR   PDBsum; 1JB0; -.
DR   PDBsum; 2PPS; -.
DR   PDBsum; 3PCQ; -.
DR   PDBsum; 4FE1; -.
DR   PDBsum; 5ZF0; -.
DR   SMR; P0A415; -.
DR   STRING; 197221.22294736; -.
DR   EnsemblBacteria; BAC08565; BAC08565; BAC08565.
DR   GeneID; 1011306; -.
DR   KEGG; tel:tsl1013; -.
DR   PATRIC; fig|197221.4.peg.1063; -.
DR   eggNOG; ENOG4108Z6M; Bacteria.
DR   eggNOG; COG1145; LUCA.
DR   HOGENOM; HOG000230505; -.
DR   KO; K02691; -.
DR   OMA; GHMSHAV; -.
DR   OrthoDB; 1873445at2; -.
DR   BioCyc; TELO197221:G1G3I-1031-MONOMER; -.
DR   EvolutionaryTrace; P0A415; -.
DR   Proteomes; UP000000440; Chromosome.
DR   GO; GO:0009522; C:photosystem I; IEA:UniProtKB-KW.
DR   GO; GO:0042651; C:thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0009055; F:electron transfer activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0009773; P:photosynthetic electron transport in photosystem I; IEA:InterPro.
DR   HAMAP; MF_01303; PSI_PsaC; 1.
DR   InterPro; IPR017896; 4Fe4S_Fe-S-bd.
DR   InterPro; IPR017900; 4Fe4S_Fe_S_CS.
DR   InterPro; IPR017491; PSI_PsaC.
DR   Pfam; PF12838; Fer4_7; 1.
DR   TIGRFAMs; TIGR03048; PS_I_psaC; 1.
DR   PROSITE; PS00198; 4FE4S_FER_1; 2.
DR   PROSITE; PS51379; 4FE4S_FER_2; 2.
PE   1: Evidence at protein level;
DR   PRODOM; P0A415.
DR   SWISS-2DPAGE; P0A415.
KW   3D-structure; 4Fe-4S; Electron transport; Iron; Iron-sulfur; Membrane;
KW   Metal-binding; Oxidoreductase; Photosynthesis; Photosystem I;
KW   Reference proteome; Repeat; Thylakoid; Transport.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..81
FT                   /note="Photosystem I iron-sulfur center"
FT                   /id="PRO_0000062018"
FT   DOMAIN          2..31
FT                   /note="4Fe-4S ferredoxin-type 1"
FT   DOMAIN          37..68
FT                   /note="4Fe-4S ferredoxin-type 2"
FT   METAL           11
FT                   /note="Iron-sulfur 1 (4Fe-4S)"
FT                   /evidence="ECO:0000269|PubMed:11418848"
FT   METAL           14
FT                   /note="Iron-sulfur 1 (4Fe-4S)"
FT                   /evidence="ECO:0000269|PubMed:11418848"
FT   METAL           17
FT                   /note="Iron-sulfur 1 (4Fe-4S)"
FT                   /evidence="ECO:0000269|PubMed:11418848"
FT   METAL           21
FT                   /note="Iron-sulfur 2 (4Fe-4S)"
FT                   /evidence="ECO:0000269|PubMed:11418848"
FT   METAL           48
FT                   /note="Iron-sulfur 2 (4Fe-4S)"
FT                   /evidence="ECO:0000269|PubMed:11418848"
FT   METAL           51
FT                   /note="Iron-sulfur 2 (4Fe-4S)"
FT                   /evidence="ECO:0000269|PubMed:11418848"
FT   METAL           54
FT                   /note="Iron-sulfur 2 (4Fe-4S)"
FT                   /evidence="ECO:0000269|PubMed:11418848"
FT   METAL           58
FT                   /note="Iron-sulfur 1 (4Fe-4S)"
FT                   /evidence="ECO:0000269|PubMed:11418848"
FT   STRAND          4..8
FT                   /evidence="ECO:0000244|PDB:1JB0"
FT   HELIX           16..20
FT                   /evidence="ECO:0000244|PDB:1JB0"
FT   STRAND          27..30
FT                   /evidence="ECO:0000244|PDB:1JB0"
FT   STRAND          32..34
FT                   /evidence="ECO:0000244|PDB:1JB0"
FT   STRAND          37..41
FT                   /evidence="ECO:0000244|PDB:1JB0"
FT   HELIX           45..47
FT                   /evidence="ECO:0000244|PDB:1JB0"
FT   HELIX           53..57
FT                   /evidence="ECO:0000244|PDB:1JB0"
FT   STRAND          60..62
FT                   /evidence="ECO:0000244|PDB:1JB0"
FT   STRAND          64..68
FT                   /evidence="ECO:0000244|PDB:1JB0"
FT   TURN            74..78
FT                   /evidence="ECO:0000244|PDB:1JB0"
SQ   SEQUENCE   81 AA;  8800 MW;  ED5362F4D6E48F36 CRC64;
     MAHTVKIYDT CIGCTQCVRA CPTDVLEMVP WDGCKAGQIA SSPRTEDCVG CKRCETACPT
     DFLSIRVYLG AETTRSMGLA Y
//

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