ID S6BJ87_9GAMM Unreviewed; 240 AA.
AC S6BJ87;
DT 16-OCT-2013, integrated into UniProtKB/TrEMBL.
DT 16-OCT-2013, sequence version 1.
DT 27-MAR-2024, entry version 46.
DE RecName: Full=Carboxy-S-adenosyl-L-methionine synthase {ECO:0000256|HAMAP-Rule:MF_01589};
DE Short=Cx-SAM synthase {ECO:0000256|HAMAP-Rule:MF_01589};
DE EC=2.1.3.- {ECO:0000256|HAMAP-Rule:MF_01589};
GN Name=cmoA {ECO:0000256|HAMAP-Rule:MF_01589};
GN ORFNames=EBS_1286 {ECO:0000313|EMBL:BAN69191.1};
OS endosymbiont of unidentified scaly snail isolate Monju.
OC Bacteria; Pseudomonadota; Gammaproteobacteria.
OX NCBI_TaxID=1248727 {ECO:0000313|EMBL:BAN69191.1, ECO:0000313|Proteomes:UP000015562};
RN [1] {ECO:0000313|EMBL:BAN69191.1, ECO:0000313|Proteomes:UP000015562}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Monju {ECO:0000313|EMBL:BAN69191.1};
RX PubMed=23924784; DOI=10.1038/ismej.2013.131;
RA Nakagawa S., Shimamura S., Takaki Y., Suzuki Y., Murakami S., Watanabe T.,
RA Fujiyoshi S., Mino S., Sawabe T., Maeda T., Makita H., Nemoto S.,
RA Nishimura S., Watanabe H., Watsuji T., Takai K.;
RT "Allying with armored snails: the complete genome of gammaproteobacterial
RT endosymbiont.";
RL ISME J. 8:40-51(2014).
CC -!- FUNCTION: Catalyzes the conversion of S-adenosyl-L-methionine (SAM) to
CC carboxy-S-adenosyl-L-methionine (Cx-SAM). {ECO:0000256|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:0000256|HAMAP-
CC Rule:MF_01589};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01589}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. Cx-SAM synthase family. {ECO:0000256|HAMAP-Rule:MF_01589}.
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DR EMBL; AP012978; BAN69191.1; -; Genomic_DNA.
DR RefSeq; WP_043107921.1; NZ_AP012978.1.
DR AlphaFoldDB; S6BJ87; -.
DR STRING; 1248727.EBS_1286; -.
DR KEGG; enm:EBS_1286; -.
DR HOGENOM; CLU_078475_0_0_6; -.
DR OrthoDB; 9779941at2; -.
DR Proteomes; UP000015562; 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 CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 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 NCBIfam; TIGR00740; carboxy-S-adenosyl-L-methionine synthase CmoA; 1.
DR PANTHER; PTHR43861:SF2; CARBOXY-S-ADENOSYL-L-METHIONINE SYNTHASE; 1.
DR PANTHER; PTHR43861; TRANS-ACONITATE 2-METHYLTRANSFERASE-RELATED; 1.
DR Pfam; PF13649; Methyltransf_25; 1.
DR PIRSF; PIRSF006325; MeTrfase_bac; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
PE 3: Inferred from homology;
KW Reference proteome {ECO:0000313|Proteomes:UP000015562};
KW S-adenosyl-L-methionine {ECO:0000256|HAMAP-Rule:MF_01589,
KW ECO:0000256|PIRSR:PIRSR006325-1};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01589}.
FT DOMAIN 62..156
FT /note="Methyltransferase"
FT /evidence="ECO:0000259|Pfam:PF13649"
FT BINDING 39
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01589,
FT ECO:0000256|PIRSR:PIRSR006325-1"
FT BINDING 64..66
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01589,
FT ECO:0000256|PIRSR:PIRSR006325-1"
FT BINDING 89..90
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01589,
FT ECO:0000256|PIRSR:PIRSR006325-1"
FT BINDING 115..116
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01589,
FT ECO:0000256|PIRSR:PIRSR006325-1"
FT BINDING 130
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01589,
FT ECO:0000256|PIRSR:PIRSR006325-1"
FT BINDING 197
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01589"
SQ SEQUENCE 240 AA; 26507 MW; 71A9BCA90C8F5A7E CRC64;
MTESRDRLFE RPGPVGDFVF DAAVARVFPD MISRSVPGYA AIINMIELLT AQHAQPGTRL
YDLGCSLGAA SLAMAAGLAY DDCKIIAVDN APAMLARARD YVADSPHPVR LVEADIREQV
IENASVVVLN FTLQFLPRDE RAGLLRRIRE GLVPGGILIL SEKIAGETPE ADALLCEMHH
AFKRRQGYSD LEITQKRAAL EKVLLPERLS THLERLHAAG FRHADAWFQC FNFVSIVARA
//
