ID   CMOA_SHESA              Reviewed;         243 AA.
AC   A0KWL3;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   15-JAN-2008, sequence version 2.
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};
GN   OrderedLocusNames=Shewana3_1951;
OS   Shewanella sp. (strain ANA-3).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=94122;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ANA-3;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Chertkov O., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Newman D.,
RA   Salticov C., Konstantinidis K., Klappenback J., Tiedje J., Richardson P.;
RT   "Complete sequence of chromosome 1 of Shewanella sp. ANA-3.";
RL   Submitted (SEP-2006) to the EMBL/GenBank/DDBJ databases.
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ABK48182.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000469; ABK48182.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_011622667.1; NC_008577.1.
DR   AlphaFoldDB; A0KWL3; -.
DR   SMR; A0KWL3; -.
DR   STRING; 94122.Shewana3_1951; -.
DR   EnsemblBacteria; ABK48182; ABK48182; Shewana3_1951.
DR   KEGG; shn:Shewana3_1951; -.
DR   eggNOG; COG2226; Bacteria.
DR   HOGENOM; CLU_078475_0_0_6; -.
DR   OrthoDB; 1739932at2; -.
DR   Proteomes; UP000002589; 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..243
FT                   /note="Carboxy-S-adenosyl-L-methionine synthase"
FT                   /id="PRO_0000314383"
FT   BINDING         40
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         65..67
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         90..91
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         118..119
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         133
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT   BINDING         200
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
SQ   SEQUENCE   243 AA;  27512 MW;  0EE46D52D2CC2DBE CRC64;
     MNASQDTIYA QASEHISDFQ FDNRVAGVFS DMIRRSVPGY TQIINTIGDF ADRFVKPNTQ
     VYDLGCSLGA ATLSIRRQIQ GRDCRIIAVD NSESMVTRCQ ENLNAYVSDT EVELICGDIR
     DIHIENASLV VLNFTLQFLP PEDREALIAK IYHGLNPGGL LVLSEKIRFD DAPIQSVLEE
     LHLDFKRANG YSELEISQKR SALENVMKPD TLTLHQQRLT RQGFSHFSLW FQCFNFSSMV
     AIK