ID   BCHO_RHOCA              Reviewed;         284 AA.
AC   P26174;
DT   01-MAY-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1992, sequence version 1.
DT   25-MAY-2022, entry version 87.
DE   RecName: Full=Magnesium-chelatase 30 kDa subunit;
DE            EC=6.6.1.1;
DE   AltName: Full=Mg-protoporphyrin IX chelatase;
GN   Name=bchO;
OS   Rhodobacter capsulatus (Rhodopseudomonas capsulata).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC   Rhodobacteraceae; Rhodobacter.
OX   NCBI_TaxID=1061;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Burke D.H., Alberti M., Armstrong G.A., Hearst J.E.;
RL   Submitted (NOV-1991) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + H2O + Mg(2+) + protoporphyrin IX = ADP + 3 H(+) + Mg-
CC         protoporphyrin IX + phosphate; Xref=Rhea:RHEA:13961,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:18420,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:57306,
CC         ChEBI:CHEBI:60492, ChEBI:CHEBI:456216; EC=6.6.1.1;
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; bacteriochlorophyll
CC       biosynthesis (light-independent).
CC   -!- SIMILARITY: Belongs to the lipase/esterase LIP3/BchO family.
CC       {ECO:0000305}.
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DR   EMBL; Z11165; CAA77536.1; -; Genomic_DNA.
DR   PIR; S17820; S17820.
DR   RefSeq; WP_013066419.1; NZ_VIBE01000010.1.
DR   AlphaFoldDB; P26174; -.
DR   SMR; P26174; -.
DR   ESTHER; rhoca-bchO; Mg-chelatase_BchO.
DR   GeneID; 31489621; -.
DR   OMA; RRIDCPP; -.
DR   UniPathway; UPA00671; -.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0016851; F:magnesium chelatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0036070; P:light-independent bacteriochlorophyll biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   Gene3D; 3.40.50.1820; -; 1.
DR   InterPro; IPR029058; AB_hydrolase.
DR   InterPro; IPR000073; AB_hydrolase_1.
DR   InterPro; IPR017497; Mg-chelatase_BchO.
DR   Pfam; PF00561; Abhydrolase_1; 1.
DR   PRINTS; PR00111; ABHYDROLASE.
DR   SUPFAM; SSF53474; SSF53474; 1.
DR   TIGRFAMs; TIGR03056; bchO_mg_che_rel; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Bacteriochlorophyll biosynthesis; Chlorophyll biosynthesis;
KW   Ligase; Nucleotide-binding; Photosynthesis.
FT   CHAIN           1..284
FT                   /note="Magnesium-chelatase 30 kDa subunit"
FT                   /id="PRO_0000207071"
FT   DOMAIN          37..269
FT                   /note="AB hydrolase-1"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   284 AA;  30189 MW;  9A1E87971C627D84 CRC64;
     MDPRALPANW PYRSAAARRR VGPIDWWVID TGPADGPVLL LLHGLGASGH SFRKMIPGLS
     ARYRVIVPDL PGHGCSRSTA RNRFGLKPMA EDLWKLCQHL NVTPAAVIGH SAGGAIALQL
     ALDTPVPRVV GINAALDHFE GVAGVVFPMM ARGLAALPFT APLVTRFGAS RQRIGQLLDM
     TGSVIDAAGK AYYTALIQTP EHVDGGLRMM AQWELGPLIG ALPRIAKPVF LIAGNGDRAV
     PAHVSADAAR FLPMATLRRI DGGHLIHEVA ADGLSGMILD WLEG