ID A0A1T4N220_9BACT Unreviewed; 156 AA.
AC A0A1T4N220;
DT 10-MAY-2017, integrated into UniProtKB/TrEMBL.
DT 10-MAY-2017, sequence version 1.
DT 24-JAN-2024, entry version 17.
DE SubName: Full=O-6-methylguanine DNA methyltransferase {ECO:0000313|EMBL:SJZ73420.1};
GN ORFNames=SAMN04488128_1011391 {ECO:0000313|EMBL:SJZ73420.1};
OS Chitinophaga eiseniae.
OC Bacteria; Bacteroidota; Chitinophagia; Chitinophagales; Chitinophagaceae;
OC Chitinophaga.
OX NCBI_TaxID=634771 {ECO:0000313|EMBL:SJZ73420.1, ECO:0000313|Proteomes:UP000190367};
RN [1] {ECO:0000313|EMBL:SJZ73420.1, ECO:0000313|Proteomes:UP000190367}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 22224 {ECO:0000313|EMBL:SJZ73420.1,
RC ECO:0000313|Proteomes:UP000190367};
RA Peterson S.W.;
RL Submitted (FEB-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 4-O-methyl-thymidine in DNA + L-cysteinyl-[protein] = a
CC thymidine in DNA + S-methyl-L-cysteinyl-[protein];
CC Xref=Rhea:RHEA:53428, Rhea:RHEA-COMP:10131, Rhea:RHEA-COMP:10132,
CC Rhea:RHEA-COMP:13555, Rhea:RHEA-COMP:13556, ChEBI:CHEBI:29950,
CC ChEBI:CHEBI:82612, ChEBI:CHEBI:137386, ChEBI:CHEBI:137387;
CC EC=2.1.1.63; Evidence={ECO:0000256|ARBA:ARBA00001286};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 6-O-methyl-2'-deoxyguanosine in DNA + L-cysteinyl-[protein]
CC = a 2'-deoxyguanosine in DNA + S-methyl-L-cysteinyl-[protein];
CC Xref=Rhea:RHEA:24000, Rhea:RHEA-COMP:10131, Rhea:RHEA-COMP:10132,
CC Rhea:RHEA-COMP:11367, Rhea:RHEA-COMP:11368, ChEBI:CHEBI:29950,
CC ChEBI:CHEBI:82612, ChEBI:CHEBI:85445, ChEBI:CHEBI:85448; EC=2.1.1.63;
CC Evidence={ECO:0000256|ARBA:ARBA00001596};
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DR EMBL; FUWZ01000001; SJZ73420.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1T4N220; -.
DR STRING; 634771.SAMN04488128_1011391; -.
DR Proteomes; UP000190367; Unassembled WGS sequence.
DR GO; GO:0003908; F:methylated-DNA-[protein]-cysteine S-methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0006304; P:DNA modification; IEA:UniProt.
DR GO; GO:0006281; P:DNA repair; IEA:UniProtKB-KW.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR CDD; cd06445; ATase; 1.
DR Gene3D; 3.30.160.70; Methylated DNA-protein cysteine methyltransferase domain; 1.
DR Gene3D; 1.10.10.10; Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain; 1.
DR InterPro; IPR001497; MethylDNA_cys_MeTrfase_AS.
DR InterPro; IPR014048; MethylDNA_cys_MeTrfase_DNA-bd.
DR InterPro; IPR036217; MethylDNA_cys_MeTrfase_DNAb.
DR InterPro; IPR008332; MethylG_MeTrfase_N.
DR InterPro; IPR036631; MGMT_N_sf.
DR InterPro; IPR036388; WH-like_DNA-bd_sf.
DR NCBIfam; TIGR00589; ogt; 1.
DR PANTHER; PTHR10815; METHYLATED-DNA--PROTEIN-CYSTEINE METHYLTRANSFERASE; 1.
DR PANTHER; PTHR10815:SF5; METHYLATED-DNA--PROTEIN-CYSTEINE METHYLTRANSFERASE; 1.
DR Pfam; PF01035; DNA_binding_1; 1.
DR Pfam; PF02870; Methyltransf_1N; 1.
DR SUPFAM; SSF53155; Methylated DNA-protein cysteine methyltransferase domain; 1.
DR SUPFAM; SSF46767; Methylated DNA-protein cysteine methyltransferase, C-terminal domain; 1.
DR PROSITE; PS00374; MGMT; 1.
PE 4: Predicted;
KW DNA damage {ECO:0000256|ARBA:ARBA00023204};
KW DNA repair {ECO:0000256|ARBA:ARBA00023204};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603,
KW ECO:0000313|EMBL:SJZ73420.1};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000313|EMBL:SJZ73420.1}.
FT DOMAIN 9..67
FT /note="Methylguanine DNA methyltransferase ribonuclease-
FT like"
FT /evidence="ECO:0000259|Pfam:PF02870"
FT DOMAIN 72..151
FT /note="Methylated-DNA-[protein]-cysteine S-
FT methyltransferase DNA binding"
FT /evidence="ECO:0000259|Pfam:PF01035"
SQ SEQUENCE 156 AA; 17519 MW; FE3A7599FDBAB70F CRC64;
MIAGATDEGV CLLEFTERKI LEAQWTGLRR LLKATVTEGP HPHFSLLQQE LDAYFAGELH
TFTVPLHMPG TEFQQAVWQL LLAVPYGDVR SYKQQATLLQ RSEAVRAVGH ANGMNRISII
VPCHRIVAGN GHLTGYGGGI WRKEWLLAHE SRHQKK
//