Annotations: 6GA0

Crystal structure of a thermophilic O6-alkylguanine-DNA alkyltransferase-derived self-labeling protein-tag in covalent complex with SNAP-Vista Green

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Methyltransf_1N	e6ga0A1	A: alpha arrays	X: OB-fold	H: Nucleic acid-binding protein	T: Nucleotidyltransferase	F: Methyltransf_1N	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.160.70	Alpha Beta	2-Layer Sandwich	Double Stranded RNA Binding Domain	Methylated DNA-protein cysteine methyltransferase domain	CATH (4.3.0)
A	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02870	6-O-methylguanine DNA methyltransferase, ribonuclease-like domain (Methyltransf_1N)	6-O-methylguanine DNA methyltransferase, ribonuclease-like domain	This entry represents the N-terminal ribonuclease-like domain associated with 6-O-methylguanine DNA methyltransferase activity. The repair of DNA containing O6-alkylated guanine is carried out by DNA-[protein]-cysteine S-methyltransferase (also known ...	This entry represents the N-terminal ribonuclease-like domain associated with 6-O-methylguanine DNA methyltransferase activity. The repair of DNA containing O6-alkylated guanine is carried out by DNA-[protein]-cysteine S-methyltransferase (also known as O-6-methylguanine-DNA-alkyltransferase)	Domain
A	PF01035	6-O-methylguanine DNA methyltransferase, DNA binding domain (DNA_binding_1)	6-O-methylguanine DNA methyltransferase, DNA binding domain	This is the C-terminal DNA-binding domain of 6-O-methylguanine-DNA methyltransferases [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Methylated-DNA--protein-cysteine methyltransferase	catalytic activity, acting on a protein transferase activity, transferring one-carbon groups S-methyltransferase activity protein methyltransferase activity methylated-DNA-[protein]-cysteine S-methyltransferase activity transferase activity methyltransferase activity catalytic activity	cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process DNA alkylation repair cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process DNA repair	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR008332	Methylguanine DNA methyltransferase, ribonuclease-like domain	Domain
A	IPR001497	Methylated-DNA-[protein]-cysteine S-methyltransferase, active site	Active Site
A	IPR036217	Methylated DNA-protein cysteine methyltransferase, DNA binding domain	Homologous Superfamily
A	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A	IPR036631	Methylated DNA-protein cysteine methyltransferase domain superfamily	Homologous Superfamily
A	IPR023546	Methylated-DNA--protein-cysteine methyltransferase	Family
A	IPR014048	Methylated-DNA-[protein]-cysteine S-methyltransferase, DNA binding	Domain