ID   CYSD_CHLTE              Reviewed;         110 AA.
AC   Q8KAS5;
DT   25-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2002, sequence version 1.
DT   03-AUG-2022, entry version 106.
DE   RecName: Full=Cytochrome subunit of sulfide dehydrogenase;
DE   AltName: Full=FCSD;
DE            Short=FC;
DE   AltName: Full=Flavocytochrome c cytochrome subunit;
DE   Flags: Precursor;
GN   Name=fccA; OrderedLocusNames=CT2080;
OS   Chlorobaculum tepidum (strain ATCC 49652 / DSM 12025 / NBRC 103806 / TLS)
OS   (Chlorobium tepidum).
OC   Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae; Chlorobaculum.
OX   NCBI_TaxID=194439;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49652 / DSM 12025 / NBRC 103806 / TLS;
RX   PubMed=12093901; DOI=10.1073/pnas.132181499;
RA   Eisen J.A., Nelson K.E., Paulsen I.T., Heidelberg J.F., Wu M., Dodson R.J.,
RA   DeBoy R.T., Gwinn M.L., Nelson W.C., Haft D.H., Hickey E.K., Peterson J.D.,
RA   Durkin A.S., Kolonay J.F., Yang F., Holt I.E., Umayam L.A., Mason T.M.,
RA   Brenner M., Shea T.P., Parksey D.S., Nierman W.C., Feldblyum T.V.,
RA   Hansen C.L., Craven M.B., Radune D., Vamathevan J.J., Khouri H.M.,
RA   White O., Gruber T.M., Ketchum K.A., Venter J.C., Tettelin H., Bryant D.A.,
RA   Fraser C.M.;
RT   "The complete genome sequence of Chlorobium tepidum TLS, a photosynthetic,
RT   anaerobic, green-sulfur bacterium.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:9509-9514(2002).
CC   -!- FUNCTION: Monoheme cytochrome that function as the electron transport
CC       subunit of sulfide dehydrogenase.
CC   -!- SUBUNIT: Dimer of one cytochrome and one flavoprotein.
CC   -!- SUBCELLULAR LOCATION: Periplasm.
CC   -!- PTM: Binds 1 heme c group covalently per subunit.
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DR   EMBL; AE006470; AAM73297.1; -; Genomic_DNA.
DR   RefSeq; NP_662955.1; NC_002932.3.
DR   RefSeq; WP_010933735.1; NC_002932.3.
DR   AlphaFoldDB; Q8KAS5; -.
DR   SMR; Q8KAS5; -.
DR   STRING; 194439.CT2080; -.
DR   PRIDE; Q8KAS5; -.
DR   EnsemblBacteria; AAM73297; AAM73297; CT2080.
DR   KEGG; cte:CT2080; -.
DR   eggNOG; COG2863; Bacteria.
DR   HOGENOM; CLU_128253_2_0_10; -.
DR   OMA; IRLIAEY; -.
DR   OrthoDB; 1939800at2; -.
DR   Proteomes; UP000001007; Chromosome.
DR   GO; GO:0042597; C:periplasmic space; IEA:UniProtKB-SubCell.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.760.10; -; 1.
DR   InterPro; IPR009056; Cyt_c-like_dom.
DR   InterPro; IPR036909; Cyt_c-like_dom_sf.
DR   SUPFAM; SSF46626; SSF46626; 1.
DR   PROSITE; PS51007; CYTC; 1.
PE   3: Inferred from homology;
KW   Electron transport; Heme; Iron; Metal-binding; Periplasm;
KW   Reference proteome; Signal; Transport.
FT   SIGNAL          1..16
FT                   /evidence="ECO:0000255"
FT   CHAIN           17..110
FT                   /note="Cytochrome subunit of sulfide dehydrogenase"
FT                   /id="PRO_0000006568"
FT   BINDING         41
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT   BINDING         44
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT   BINDING         45
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT   BINDING         83
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
SQ   SEQUENCE   110 AA;  11438 MW;  96E11E72F6C8B9A7 CRC64;
     MLAAAPLLLA SGNGFATTGP AAKPAVKPVT ESRGEILSLS CAGCHGTDGN SSSVIPSIYG
     KSPEYIETAL IDFKNGSRTS TVMGRHAKGY TGEEIHLIAE YFGNLSKKNH