ID   CSMA_CHLTE              Reviewed;          79 AA.
AC   P0A314; Q46368; Q46467;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-MAR-2005, sequence version 1.
DT   03-AUG-2022, entry version 79.
DE   RecName: Full=Bacteriochlorophyll c-binding protein;
DE            Short=BChl c-binding;
DE   AltName: Full=Chlorosome protein A;
DE   Flags: Precursor;
GN   Name=csmA; OrderedLocusNames=CT1942;
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 [GENOMIC DNA].
RA   Chung S., Frank G., Zuber H., Bryant D.A.;
RT   "Genes encoding two chlorosome components from the green sulfur bacteria
RT   Chlorobium vibrioforme strain 8327D and Chlorobium tepidum.";
RL   Photosyn. Res. 41:261-275(1994).
RN   [2]
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: Component of the photosynthetic apparatus. The light
CC       harvesting B740 complex binds bacteriochlorophyll c.
CC   -!- SUBCELLULAR LOCATION: Chlorosome, chlorosome envelope.
CC   -!- SIMILARITY: Belongs to the BChl C/E-binding protein family.
CC       {ECO:0000305}.
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DR   EMBL; U09866; AAA18792.1; -; Unassigned_DNA.
DR   EMBL; AE006470; AAM73161.1; -; Genomic_DNA.
DR   RefSeq; NP_662819.1; NC_002932.3.
DR   RefSeq; WP_010933599.1; NC_002932.3.
DR   PDB; 2K37; NMR; -; A=1-59.
DR   PDB; 5LCB; Other; 26.50 A; A/B/C/D/E/F/G/H/I/J/K/L/M/N=1-59.
DR   PDBsum; 2K37; -.
DR   PDBsum; 5LCB; -.
DR   AlphaFoldDB; P0A314; -.
DR   BMRB; P0A314; -.
DR   SMR; P0A314; -.
DR   STRING; 194439.CT1942; -.
DR   PRIDE; P0A314; -.
DR   EnsemblBacteria; AAM73161; AAM73161; CT1942.
DR   KEGG; cte:CT1942; -.
DR   PATRIC; fig|194439.7.peg.1760; -.
DR   eggNOG; ENOG5032TTJ; Bacteria.
DR   HOGENOM; CLU_194367_0_0_10; -.
DR   OMA; VEGHWAT; -.
DR   OrthoDB; 1896699at2; -.
DR   EvolutionaryTrace; P0A314; -.
DR   Proteomes; UP000001007; Chromosome.
DR   GO; GO:0033105; C:chlorosome envelope; IEA:UniProtKB-SubCell.
DR   GO; GO:0042314; F:bacteriochlorophyll binding; IEA:UniProtKB-KW.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   Gene3D; 1.20.5.950; -; 1.
DR   InterPro; IPR001470; Bchl_c-bd.
DR   InterPro; IPR038387; Bchl_C-bd_sf.
DR   Pfam; PF02043; Bac_chlorC; 1.
DR   PIRSF; PIRSF002903; Bac_chlorC_bd; 1.
DR   PRINTS; PR00656; BCHLROPHYLLC.
PE   1: Evidence at protein level;
KW   3D-structure; Bacteriochlorophyll; Chlorophyll; Chlorosome; Chromophore;
KW   Electron transport; Magnesium; Metal-binding; Photosynthesis;
KW   Reference proteome; Transport.
FT   CHAIN           1..?
FT                   /note="Bacteriochlorophyll c-binding protein"
FT                   /id="PRO_0000002807"
FT   PROPEP          ?..79
FT                   /evidence="ECO:0000255"
FT                   /id="PRO_0000002808"
FT   BINDING         25
FT                   /ligand="a bacteriochlorophyll c"
FT                   /ligand_id="ChEBI:CHEBI:60197"
FT                   /ligand_part="Mg"
FT                   /ligand_part_id="ChEBI:CHEBI:25107"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000255"
FT   HELIX           5..32
FT                   /evidence="ECO:0007829|PDB:2K37"
FT   TURN            33..39
FT                   /evidence="ECO:0007829|PDB:2K37"
FT   HELIX           40..46
FT                   /evidence="ECO:0007829|PDB:2K37"
FT   TURN            47..50
FT                   /evidence="ECO:0007829|PDB:2K37"
FT   HELIX           51..55
FT                   /evidence="ECO:0007829|PDB:2K37"
SQ   SEQUENCE   79 AA;  8289 MW;  20891ACAB2EF3019 CRC64;
     MSGGGVFTDI LAAAGRIFEV MVEGHWETVG MLFDSLGKGT MRINRNAYGS MGGGSLRGSS
     PEVSGYAVPT KEVESKFAK