3KW2

Crystal structure of probable rRNA-methyltransferase from Porphyromonas gingivalis

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	Methyltrans_RNA_N	e3kw2A1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: PUA domain	F: Methyltrans_RNA_N	ECOD (1.6)
A	Methyltrans_RNA_C	e3kw2A2	A: a/b three-layered sandwiches	X: alpha/beta knot (From Topology)	H: alpha/beta knot (From Topology)	T: alpha/beta knot	F: Methyltrans_RNA_C	ECOD (1.6)
B	Methyltrans_RNA_N	e3kw2B1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: PUA domain	F: Methyltrans_RNA_N	ECOD (1.6)
B	Methyltrans_RNA_C	e3kw2B2	A: a/b three-layered sandwiches	X: alpha/beta knot (From Topology)	H: alpha/beta knot (From Topology)	T: alpha/beta knot	F: Methyltrans_RNA_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.240.20	Mainly Beta	Beta Barrel	Ribosomal Protein L25	Chain P	CATH (4.3.0)
A	3.40.1280.10	Alpha Beta	3-Layer(aba) Sandwich	Alpha/beta knot	SPOUT methyltransferase, trefoil knot domain	CATH (4.3.0)
B	2.40.240.20	Mainly Beta	Beta Barrel	Ribosomal Protein L25	Chain P	CATH (4.3.0)
B	3.40.1280.10	Alpha Beta	3-Layer(aba) Sandwich	Alpha/beta knot	SPOUT methyltransferase, trefoil knot domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF20260	RNA methyltransferase PUA domain (PUA_4)	RNA methyltransferase PUA domain	RNA methyltransferases modify nucleotides during ribosomal RNA maturation in a site-specific manner. The Escherichia coli member is specific for U1498 methylation [1][2].	Domain
A, B	PF04452	RNA methyltransferase domain (Methyltrans_RNA)	RNA methyltransferase domain	RNA methyltransferases modify nucleotides during ribosomal RNA maturation in a site-specific manner. The Escherichia coli member is specific for U1498 methylation [1][2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Probable r-RNA methyltransferase	transferase activity, transferring one-carbon groups transferase activity methyltransferase activity catalytic activity	methylation metabolic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process rRNA processing nucleobase-containing compound metabolic process cellular component biogenesis ribosome biogenesis organic substance metabolic process organic substance biosynthetic process cellular component organization or biogenesis RNA processing rRNA metabolic process methylation metabolic process ribonucleoprotein complex biogenesis cellular biosynthetic process RNA metabolic process rRNA processing nucleobase-containing compound metabolic process cellular component biogenesis ribosome biogenesis organic substance metabolic process organic substance biosynthetic process cellular component organization or biogenesis RNA processing rRNA metabolic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process ncRNA metabolic process nucleic acid catabolic process cellular process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR015947	PUA-like superfamily	Homologous Superfamily
A, B	IPR046886	Ribosomal RNA small subunit methyltransferase E, methyltransferase domain	Domain
A, B	IPR006700	Ribosomal RNA small subunit methyltransferase E	Family
A, B	IPR029026	tRNA (guanine-N1-)-methyltransferase, N-terminal	Homologous Superfamily
A, B	IPR029028	Alpha/beta knot methyltransferases	Homologous Superfamily
A, B	IPR046887	Ribosomal RNA small subunit methyltransferase E, PUA-like domain	Domain

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.