ID I0HEF0_ACTM4 Unreviewed; 318 AA.
AC I0HEF0;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 24-JAN-2024, entry version 51.
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 OrderedLocusNames=AMIS_61670 {ECO:0000313|EMBL:BAL91387.1};
OS Actinoplanes missouriensis (strain ATCC 14538 / DSM 43046 / CBS 188.64 /
OS JCM 3121 / NBRC 102363 / NCIMB 12654 / NRRL B-3342 / UNCC 431).
OC Bacteria; Actinomycetota; Actinomycetes; Micromonosporales;
OC Micromonosporaceae; Actinoplanes.
OX NCBI_TaxID=512565 {ECO:0000313|EMBL:BAL91387.1, ECO:0000313|Proteomes:UP000007882};
RN [1] {ECO:0000313|EMBL:BAL91387.1, ECO:0000313|Proteomes:UP000007882}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 14538 / DSM 43046 / CBS 188.64 / JCM 3121 / NBRC 102363 /
RC NCIMB 12654 / NRRL B-3342 / UNCC 431
RC {ECO:0000313|Proteomes:UP000007882};
RA Ohnishi Y., Ishikawa J., Sekine M., Hosoyama A., Harada T., Narita H.,
RA Hata T., Konno Y., Tutikane K., Fujita N., Horinouchi S., Hayakawa M.;
RT "Complete genome sequence of Actinoplanes missouriensis 431 (= NBRC
RT 102363).";
RL Submitted (FEB-2012) 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}.
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DR EMBL; AP012319; BAL91387.1; -; Genomic_DNA.
DR RefSeq; WP_014446274.1; NC_017093.1.
DR AlphaFoldDB; I0HEF0; -.
DR STRING; 512565.AMIS_61670; -.
DR KEGG; ams:AMIS_61670; -.
DR PATRIC; fig|512565.3.peg.6162; -.
DR eggNOG; COG4301; Bacteria.
DR HOGENOM; CLU_049766_1_0_11; -.
DR OMA; RVEMHLV; -.
DR OrthoDB; 5289726at2; -.
DR UniPathway; UPA01014; -.
DR Proteomes; UP000007882; Chromosome.
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 Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_02037}; Reference proteome {ECO:0000313|Proteomes:UP000007882};
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 15..316
FT /note="Histidine-specific methyltransferase SAM-dependent"
FT /evidence="ECO:0000259|Pfam:PF10017"
FT BINDING 52
FT /ligand="L-histidine"
FT /ligand_id="ChEBI:CHEBI:57595"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 82
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 88
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 109
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 137..138
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 162
FT /ligand="L-histidine"
FT /ligand_id="ChEBI:CHEBI:57595"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 202
FT /ligand="L-histidine"
FT /ligand_id="ChEBI:CHEBI:57595"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
FT BINDING 278..280
FT /ligand="L-histidine"
FT /ligand_id="ChEBI:CHEBI:57595"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02037"
SQ SEQUENCE 318 AA; 34735 MW; 8584E970DEF06AD0 CRC64;
MINLIDDDDI ARALRSDVRT GLTASPKSLP PKWFYDARGS ELFEEITRLP EYYPTRTERA
VLTEAAPAIA RITEAKTLVE LGSGSSEKTR LLLDAMLGRG TLGSFVPLDV SSSFLAESVA
RLQADYPGLT VTGVAGDFAR HLGHLPDGDN RVIAFLGGTI GNLAPAERAA FLASVRQTLH
PGEWLLLGAD LVKDPAVLVP AYDDAAGVTA AFNRNVLQVV NRELGADFDP AAFAHVALWD
PDREWIEMRL RAGAAQRVRI PALDLTVEFA AGEEMRTEIS AKFRRAGLRD ELGVAGFELS
HWWTDPREWF GVMLAQAR
//