ID   CMOA_DESAH              Reviewed;         247 AA.
AC   C0QJG8;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   05-MAY-2009, sequence version 1.
DT   03-AUG-2022, entry version 67.
DE   RecName: Full=Carboxy-S-adenosyl-L-methionine synthase {ECO:0000255|HAMAP-Rule:MF_01589};
DE            Short=Cx-SAM synthase {ECO:0000255|HAMAP-Rule:MF_01589};
DE            EC=2.1.3.- {ECO:0000255|HAMAP-Rule:MF_01589};
GN   Name=cmoA {ECO:0000255|HAMAP-Rule:MF_01589}; OrderedLocusNames=HRM2_28930;
OS   Desulforapulum autotrophicum (strain ATCC 43914 / DSM 3382 / VKM B-1955 /
OS   HRM2) (Desulfobacterium autotrophicum).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Desulfobacterales;
OC   Desulfobacteraceae; Desulforapulum.
OX   NCBI_TaxID=177437;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43914 / DSM 3382 / VKM B-1955 / HRM2;
RX   PubMed=19187283; DOI=10.1111/j.1462-2920.2008.01825.x;
RA   Strittmatter A.W., Liesegang H., Rabus R., Decker I., Amann J., Andres S.,
RA   Henne A., Fricke W.F., Martinez-Arias R., Bartels D., Goesmann A.,
RA   Krause L., Puehler A., Klenk H.P., Richter M., Schuler M., Gloeckner F.O.,
RA   Meyerdierks A., Gottschalk G., Amann R.;
RT   "Genome sequence of Desulfobacterium autotrophicum HRM2, a marine sulfate
RT   reducer oxidizing organic carbon completely to carbon dioxide.";
RL   Environ. Microbiol. 11:1038-1055(2009).
CC   -!- FUNCTION: Catalyzes the conversion of S-adenosyl-L-methionine (SAM) to
CC       carboxy-S-adenosyl-L-methionine (Cx-SAM). {ECO:0000255|HAMAP-
CC       Rule:MF_01589}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=prephenate + S-adenosyl-L-methionine = 3-phenylpyruvate +
CC         carboxy-S-adenosyl-L-methionine + H2O; Xref=Rhea:RHEA:51692,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:18005, ChEBI:CHEBI:29934,
CC         ChEBI:CHEBI:59789, ChEBI:CHEBI:134278; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01589};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01589}.
CC   -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC       superfamily. Cx-SAM synthase family. {ECO:0000255|HAMAP-Rule:MF_01589}.
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DR   EMBL; CP001087; ACN15981.1; -; Genomic_DNA.
DR   RefSeq; WP_015904743.1; NC_012108.1.
DR   AlphaFoldDB; C0QJG8; -.
DR   SMR; C0QJG8; -.
DR   STRING; 177437.HRM2_28930; -.
DR   EnsemblBacteria; ACN15981; ACN15981; HRM2_28930.
DR   KEGG; dat:HRM2_28930; -.
DR   eggNOG; COG4106; Bacteria.
DR   HOGENOM; CLU_078475_0_0_7; -.
DR   OMA; MIELYYL; -.
DR   OrthoDB; 1739932at2; -.
DR   Proteomes; UP000000442; Chromosome.
DR   GO; GO:0016743; F:carboxyl- or carbamoyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:1904047; F:S-adenosyl-L-methionine binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0002098; P:tRNA wobble uridine modification; IEA:InterPro.
DR   Gene3D; 3.40.50.150; -; 1.
DR   HAMAP; MF_01589; Cx_SAM_synthase; 1.
DR   InterPro; IPR005271; CmoA.
DR   InterPro; IPR041698; Methyltransf_25.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   PANTHER; PTHR43861:SF2; PTHR43861:SF2; 1.
DR   Pfam; PF13649; Methyltransf_25; 1.
DR   PIRSF; PIRSF006325; MeTrfase_bac; 1.
DR   SUPFAM; SSF53335; SSF53335; 1.
DR   TIGRFAMs; TIGR00740; TIGR00740; 1.
PE   3: Inferred from homology;
KW   Reference proteome; S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..247
FT                   /note="Carboxy-S-adenosyl-L-methionine synthase"
FT                   /id="PRO_1000215635"
FT   BINDING         38
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         63..65
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         131
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         198
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
SQ   SEQUENCE   247 AA;  28262 MW;  F419D4C119E16617 CRC64;
     MKKDTLFATR KEPVPAFDFN ESVASVFSDM LERSVPMYRE SITRQAELAL DFYRSKTLIY
     DLGCSHGNFG MLAGKRFGDR PFSMVGVDSS PPMIEKYKQR LEQESFRDNI VLVCDRVENL
     CLGNASVVVV NLTLQFLSLD RRDTLISDIY TALVPGGILL LTEKVLAWDS SIAAVHLDYY
     SRFKRENGYS ELEISQKREA LENVLVPETL EVHQQRLARA GFDRMDVWLK WFNFASMIAV
     KPERPGK