ID   CSMA_CHLPH              Reviewed;          51 AA.
AC   P15525;
DT   01-APR-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-APR-1990, sequence version 1.
DT   03-AUG-2022, entry version 56.
DE   RecName: Full=Bacteriochlorophyll e-binding protein;
DE            Short=BChl e-binding;
DE   AltName: Full=Chlorosome protein A;
DE   Flags: Fragment;
GN   Name=csmA;
OS   Chlorobium phaeovibrioides.
OC   Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae;
OC   Chlorobium/Pelodictyon group; Chlorobium.
OX   NCBI_TaxID=1094;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   STRAIN=2631;
RA   Wagner-Huber R., Brunisholz R., Frank G., Zuber H.;
RT   "The BChlc/e-binding polypeptides from chlorosomes of green photosynthetic
RT   bacteria.";
RL   FEBS Lett. 239:8-12(1988).
CC   -!- FUNCTION: Component of the photosynthetic apparatus. The light
CC       harvesting B740 complex binds bacteriochlorophyll e.
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   PIR; S05563; S05563.
DR   AlphaFoldDB; P15525; -.
DR   SMR; P15525; -.
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   Bacteriochlorophyll; Chlorophyll; Chlorosome; Chromophore;
KW   Direct protein sequencing; Electron transport; Magnesium; Metal-binding;
KW   Photosynthesis; Transport.
FT   CHAIN           1..>51
FT                   /note="Bacteriochlorophyll e-binding protein"
FT                   /id="PRO_0000219551"
FT   BINDING         25
FT                   /ligand="a bacteriochlorophyll e"
FT                   /ligand_id="ChEBI:CHEBI:189438"
FT                   /ligand_part="Mg"
FT                   /ligand_part_id="ChEBI:CHEBI:25107"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000255"
FT   NON_TER         51
SQ   SEQUENCE   51 AA;  5452 MW;  99768360D47EEB13 CRC64;
     MNGGGVFTDI LAASGRIFEV MVEGHWATVG YLFDSLGKGV SRINQNAYGN M