Annotations: 3L9T

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	DNA_alkylation	e3l9tA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: DNA_alkylation	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.1240.70	Mainly Alpha	Orthogonal Bundle	Methyltransferase, Methionine Synthase (B12-binding Domains)	Chain A, domain 1	CATH (4.3.0)
A	1.25.40.290	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	ARM repeat domains	CATH (4.3.0)

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR014825	DNA alkylation repair enzyme	Family
A	IPR016024	Armadillo-type fold	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.