ID A0A0M9ZXB4_9NOCA Unreviewed; 323 AA.
AC A0A0M9ZXB4;
DT 09-DEC-2015, integrated into UniProtKB/TrEMBL.
DT 09-DEC-2015, sequence version 1.
DT 27-MAR-2024, entry version 37.
DE RecName: Full=Histidine N-alpha-methyltransferase {ECO:0000256|HAMAP-Rule:MF_02037};
DE EC=2.1.1.44 {ECO:0000256|HAMAP-Rule:MF_02037};
DE AltName: Full=Histidine trimethyltransferase {ECO:0000256|HAMAP-Rule:MF_02037};
GN Name=egtD {ECO:0000256|HAMAP-Rule:MF_02037};
GN ORFNames=ADL03_39600 {ECO:0000313|EMBL:KOV78558.1};
OS Nocardia sp. NRRL S-836.
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Nocardiaceae;
OC Nocardia.
OX NCBI_TaxID=1519492 {ECO:0000313|EMBL:KOV78558.1, ECO:0000313|Proteomes:UP000037746};
RN [1] {ECO:0000313|Proteomes:UP000037746}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NRRL S-836 {ECO:0000313|Proteomes:UP000037746};
RA Ju K.-S., Doroghazi J.R., Metcalf W.W.;
RL Submitted (JUL-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the SAM-dependent triple methylation of the alpha-
CC amino group of histidine to form hercynine, a step in the biosynthesis
CC pathway of ergothioneine. {ECO:0000256|HAMAP-Rule:MF_02037}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-histidine + 3 S-adenosyl-L-methionine = 3 H(+) + hercynine +
CC 3 S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:38471, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:15781, ChEBI:CHEBI:57595, ChEBI:CHEBI:57856,
CC ChEBI:CHEBI:59789; EC=2.1.1.44; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_02037};
CC -!- PATHWAY: Amino-acid biosynthesis; ergothioneine biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_02037}.
CC -!- SUBUNIT: Monomer. {ECO:0000256|HAMAP-Rule:MF_02037}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. EgtD family.
CC {ECO:0000256|HAMAP-Rule:MF_02037}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KOV78558.1}.
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DR EMBL; LGDY01000143; KOV78558.1; -; Genomic_DNA.
DR RefSeq; WP_053738753.1; NZ_LGDY01000143.1.
DR AlphaFoldDB; A0A0M9ZXB4; -.
DR STRING; 1519492.ADL03_39600; -.
DR PATRIC; fig|1519492.3.peg.8444; -.
DR OrthoDB; 5289726at2; -.
DR UniPathway; UPA01014; -.
DR Proteomes; UP000037746; Unassembled WGS sequence.
DR GO; GO:0004812; F:aminoacyl-tRNA ligase activity; IEA:UniProtKB-KW.
DR GO; GO:0030745; F:dimethylhistidine N-methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008276; F:protein methyltransferase activity; IEA:InterPro.
DR GO; GO:0052699; P:ergothioneine biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR HAMAP; MF_02037; EgtD; 1.
DR InterPro; IPR035094; EgtD.
DR InterPro; IPR032888; EgtD_Actinobacteria.
DR InterPro; IPR019257; MeTrfase_dom.
DR InterPro; IPR017804; MeTrfase_EgtD-like.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR NCBIfam; TIGR03438; egtD_ergothio; 1.
DR PANTHER; PTHR43397; ERGOTHIONEINE BIOSYNTHESIS PROTEIN 1; 1.
DR PANTHER; PTHR43397:SF1; ERGOTHIONEINE BIOSYNTHESIS PROTEIN 1; 1.
DR Pfam; PF10017; Methyltransf_33; 1.
DR PIRSF; PIRSF018005; UCP018005; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase {ECO:0000313|EMBL:KOV78558.1};
KW Ligase {ECO:0000313|EMBL:KOV78558.1};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_02037}; Reference proteome {ECO:0000313|Proteomes:UP000037746};
KW S-adenosyl-L-methionine {ECO:0000256|HAMAP-Rule:MF_02037};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_02037}.
FT DOMAIN 20..321
FT /note="Histidine-specific methyltransferase SAM-dependent"
FT /evidence="ECO:0000259|Pfam:PF10017"
FT BINDING 57
FT /ligand="L-histidine"
FT /ligand_id="ChEBI:CHEBI:57595"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 87
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 93
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 114
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 142..143
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 167
FT /ligand="L-histidine"
FT /ligand_id="ChEBI:CHEBI:57595"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 207
FT /ligand="L-histidine"
FT /ligand_id="ChEBI:CHEBI:57595"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 283..285
FT /ligand="L-histidine"
FT /ligand_id="ChEBI:CHEBI:57595"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
SQ SEQUENCE 323 AA; 35788 MW; BFAAA49EACB284A1 CRC64;
MTEPVLDVHL KPEDAAHALR ADVRAGLTAD PKWVSPKWFY DAAGSALFED ITRLPEYYPT
RAEREVLAQR AGEIAATTGA HSLVELGSGS SEKTRLLLSA LRDHGTLREF VPQDVSVSAL
TEAAHAIMAD YPGLKVHGVV GDFTQHLSLL PGESPRVLAF LGGTIGNLIP EEREKFLRAV
HDVLQPGEWL LLGTDLVKDR ETLVRAYDDA QGVTAEFNRN VLNVLNREVG GDFDVDAFEH
VALWNAEQEW IEMRLRARRA MTVTLAGLGL TVEFAQGEEL RTEVSAKFRE DGVRRELEDA
GFVLHRWWTD SEGRFAVSLA QAI
//
