ID   CMOA_ALIB4              Reviewed;         235 AA.
AC   A8EVV4;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   03-AUG-2022, entry version 74.
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=Abu_1837;
OS   Aliarcobacter butzleri (strain RM4018) (Arcobacter butzleri).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Arcobacteraceae; Aliarcobacter.
OX   NCBI_TaxID=367737;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RM4018;
RX   PubMed=18159241; DOI=10.1371/journal.pone.0001358;
RA   Miller W.G., Parker C.T., Rubenfield M., Mendz G.L., Woesten M.M.S.M.,
RA   Ussery D.W., Stolz J.F., Binnewies T.T., Hallin P.F., Wang G., Malek J.A.,
RA   Rogosin A., Stanker L.H., Mandrell R.E.;
RT   "The complete genome sequence and analysis of the Epsilonproteobacterium
RT   Arcobacter butzleri.";
RL   PLoS ONE 2:E1358-E1358(2007).
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; CP000361; ABV68077.1; -; Genomic_DNA.
DR   RefSeq; WP_004511216.1; NC_009850.1.
DR   AlphaFoldDB; A8EVV4; -.
DR   SMR; A8EVV4; -.
DR   STRING; 367737.Abu_1837; -.
DR   EnsemblBacteria; ABV68077; ABV68077; Abu_1837.
DR   GeneID; 56463975; -.
DR   KEGG; abu:Abu_1837; -.
DR   eggNOG; COG2226; Bacteria.
DR   HOGENOM; CLU_078475_0_0_7; -.
DR   OMA; MIELYYL; -.
DR   OrthoDB; 1739932at2; -.
DR   Proteomes; UP000001136; 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..235
FT                   /note="Carboxy-S-adenosyl-L-methionine synthase"
FT                   /id="PRO_0000314311"
FT   BINDING         35
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         60..62
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         84..85
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         110..111
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         125
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         192
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
SQ   SEQUENCE   235 AA;  27291 MW;  66DD45F77A8316F7 CRC64;
     MIDKVFNKSI TKQFEFDEEV ASVFDDMLNR SVPFYKEMQR LSINFACNFL SENDKVYDLG
     CSTASTLIEL SKHCKHNLKL IGIDNSDAML KRASNKAKAF GVEIELINAD LHDVTYNDAK
     LILSNYTLQF IRPLQREKLV KKIYDSLDEK GIFIFSEKVI STNSNLNKQC IDEYYEFKKT
     QGYSEFEISQ KREALENVLI PYTEDENKKM IKDAGFSHCE TIFKWVNFAT FIAIK