CMOA_HISS2
ID CMOA_HISS2 Reviewed; 241 AA.
AC B0USU1;
DT 01-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 01-SEP-2009, sequence version 2.
DT 03-AUG-2022, entry version 75.
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=HSM_0858;
OS Histophilus somni (strain 2336) (Haemophilus somnus).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Histophilus.
OX NCBI_TaxID=228400;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=2336;
RG US DOE Joint Genome Institute;
RA Siddaramappa S., Duncan A.J., Challacombe J.F., Rainey D., Gillaspy A.F.,
RA Carson M., Gipson J., Gipson M., Bruce D., Detter J.C., Han C.S., Land M.,
RA Tapia R., Thompson L.S., Orvis J., Zaitshik J., Barnes G., Brettin T.S.,
RA Dyer D.W., Inzana T.J.;
RT "Complete sequence of Haemophilus somnus 2336.";
RL Submitted (FEB-2008) 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=ACA32532.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; CP000947; ACA32532.1; ALT_INIT; Genomic_DNA.
DR RefSeq; WP_041605047.1; NC_010519.1.
DR AlphaFoldDB; B0USU1; -.
DR SMR; B0USU1; -.
DR STRING; 228400.HSM_0858; -.
DR EnsemblBacteria; ACA32532; ACA32532; HSM_0858.
DR GeneID; 56965258; -.
DR KEGG; hsm:HSM_0858; -.
DR HOGENOM; CLU_078475_0_0_6; -.
DR OrthoDB; 1739932at2; -.
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..241
FT /note="Carboxy-S-adenosyl-L-methionine synthase"
FT /id="PRO_0000381960"
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 88..89
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01589"
FT BINDING 116..117
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 241 AA; 27484 MW; C9AD183CE674CFB6 CRC64;
MNKDCIFAAP IEKLGDFTFD ENVAEVFPDM IQRSVPGYSN IITAIGMFAE RFVTANSLVY
DLGCSRGAAT LSARRHITQP NVKIIGVDNS LPMVERCRQH INAYQSDIPV EILCDDIRNI
KIENASMVIL NFTLQFVPQQ DRQLLLEKIY QGLNPNGGLV LSEKFRFENK KMDDLLIDLH
HQFKRANGYS ELEVSQKRTA LENVMRTDSI ETHKERLKSA GFSQIELWFQ CFNFGSMVAI
K