Annotations: 4LG1

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e4lg1A1	A: PBZ domain	X: PBZ domain	H: PBZ domain	T:	F:	ECOD (20:10:01)
B		e4lg1B1	A: gp11/gp12 receptor-binding domain	X: gp11/gp12 receptor-binding domain	H: gp11/gp12 receptor-binding domain	T: Methyltransf_16	F:	ECOD (20:10:01)
C		e4lg1C1	A: gp11/gp12 receptor-binding domain	X: gp11/gp12 receptor-binding domain	H: gp11/gp12 receptor-binding domain	T: Methyltransf_16	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
B	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
C	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF10294	Lysine methyltransferase (Methyltransf_16)	Lysine methyltransferase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Protein-lysine methyltransferase METTL21D	protein-lysine N-methyltransferase activity catalytic activity, acting on a protein transferase activity, transferring one-carbon groups lysine N-methyltransferase activity protein methyltransferase activity N-methyltransferase activity transferase activity methyltransferase activity catalytic activity S-adenosylmethionine-dependent methyltransferase activity ATPase binding protein binding binding enzyme binding	peptidyl-lysine methylation protein methylation peptidyl-lysine modification primary metabolic process macromolecule methylation protein alkylation methylation macromolecule modification peptidyl-amino acid modification metabolic process cellular process protein metabolic process macromolecule metabolic process protein modification process peptidyl-lysine methylation protein methylation peptidyl-lysine modification primary metabolic process macromolecule methylation protein alkylation methylation macromolecule modification peptidyl-amino acid modification metabolic process cellular process protein metabolic process macromolecule metabolic process protein modification process negative regulation of ATP-dependent activity regulation of ATP-dependent activity regulation of molecular function biological regulation negative regulation of molecular function peptidyl-lysine trimethylation	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A, B, C	IPR019410	Lysine methyltransferase	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C	Pharos: Q9H867	atypical teratoid rhabdoid tumor malignant ependymoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia subependymal giant cell astrocytoma glioblastoma malignant glioma Pick disease hypertensive disorder pancreatic intraductal papillary-mucinous neoplasm pilocytic astrocytoma

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.