ID   CMOA_SALPK              Reviewed;         247 AA.
AC   B5BH50;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-SEP-2008, sequence version 1.
DT   03-AUG-2022, entry version 68.
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=SSPA0898;
OS   Salmonella paratyphi A (strain AKU_12601).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=554290;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AKU_12601;
RX   PubMed=19159446; DOI=10.1186/1471-2164-10-36;
RA   Holt K.E., Thomson N.R., Wain J., Langridge G.C., Hasan R., Bhutta Z.A.,
RA   Quail M.A., Norbertczak H., Walker D., Simmonds M., White B., Bason N.,
RA   Mungall K., Dougan G., Parkhill J.;
RT   "Pseudogene accumulation in the evolutionary histories of Salmonella
RT   enterica serovars Paratyphi A and Typhi.";
RL   BMC Genomics 10:36-36(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; FM200053; CAR59042.1; -; Genomic_DNA.
DR   RefSeq; WP_000019609.1; NC_011147.1.
DR   AlphaFoldDB; B5BH50; -.
DR   SMR; B5BH50; -.
DR   KEGG; sek:SSPA0898; -.
DR   HOGENOM; CLU_078475_0_0_6; -.
DR   OMA; MIELYYL; -.
DR   Proteomes; UP000001869; 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   S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..247
FT                   /note="Carboxy-S-adenosyl-L-methionine synthase"
FT                   /id="PRO_1000201367"
FT   BINDING         39
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         64..66
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         89..90
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         117..118
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         132
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         199
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
SQ   SEQUENCE   247 AA;  27848 MW;  749C125C54BF19FE CRC64;
     MSHRDTLFSA PIARLGDWTF DERVAEVFPD MIQRSVPGYS NIISMIGMLA ERFVQPNTQV
     YDLGCSLGAA TLSVRRNIRH EHCRIIAVDN SPAMIERCRR HIDAYKAPTP VEVVEGDIRD
     ITIENASMVV LNFTLQFLEP AERQALLDKI YLGLNPGGAL VLSEKFSFED AKVGELLFNM
     HHDFKRANGY SELEISQKRS MLENVMLTDS VETHKARLRQ AGFEHSELWF QCFNFGSLVA
     LKAGVAA