Annotations: 2AS0

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d2as0b1	All beta proteins	PUA domain-like	PUA domain-like	Hypothetical RNA methyltransferase domain (HRMD)	Hypothetical protein PH1915, N-terminal domain	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
B	d2as0b2	Alpha and beta proteins (a/b)	S-adenosyl-L-methionine-dependent methyltransferases	S-adenosyl-L-methionine-dependent methyltransferases	hypothetical RNA methyltransferase	Hypothetical protein PH1915, middle and C-terminal domains	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
A	d2as0a1	All beta proteins	PUA domain-like	PUA domain-like	Hypothetical RNA methyltransferase domain (HRMD)	Hypothetical protein PH1915, N-terminal domain	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
A	d2as0a2	Alpha and beta proteins (a/b)	S-adenosyl-L-methionine-dependent methyltransferases	S-adenosyl-L-methionine-dependent methyltransferases	hypothetical RNA methyltransferase	Hypothetical protein PH1915, middle and C-terminal domains	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8037316	3000118	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PUA domain-like	8037315	3001015	SCOP2B (2022-06-29)
A	SCOP2 Family	hypothetical RNA methyltransferase	8024937	4003167	SCOP2 (2022-06-29)
A	SCOP2 Family	Hypothetical RNA methyltransferase domain (HRMD)	8024936	4002230	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8037316	3000118	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PUA domain-like	8037315	3001015	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PF17785	e2as0B1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: PUA domain	F: PF17785	ECOD (1.6)
B	PF10672	e2as0B2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PF10672	ECOD (1.6)
A	PF17785	e2as0A1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: PUA domain	F: PF17785	ECOD (1.6)
A	PF10672	e2as0A2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PF10672	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.30.130.10	Mainly Beta	Roll	Archaeosine Trna-guanine Transglycosylase	Chain: A, domain 4	CATH (4.3.0)
B	3.30.750.80	Alpha Beta	2-Layer Sandwich	Transcription Regulator spoIIAA	RNA methyltransferase domain (HRMD) like	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)
A	2.30.130.10	Mainly Beta	Roll	Archaeosine Trna-guanine Transglycosylase	Chain: A, domain 4	CATH (4.3.0)
A	3.30.750.80	Alpha Beta	2-Layer Sandwich	Transcription Regulator spoIIAA	RNA methyltransferase domain (HRMD) like	CATH (4.3.0)
A	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	PF10672	S-adenosylmethionine-dependent methyltransferase (Methyltrans_SAM)	S-adenosylmethionine-dependent methyltransferase	-	Family
A, B	PF17785	PUA-like domain (PUA_3)	PUA-like domain	This PUA-like domain is found at the N-terminus of SAM-dependent methyltransferases [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	hypothetical protein PH1915	transferase activity, transferring one-carbon groups transferase activity methyltransferase activity catalytic activity RNA binding binding organic cyclic compound binding nucleic acid binding	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	IPR002478	PUA domain	Domain
A, B	IPR019614	S-adenosylmethionine-dependent methyltransferase	Domain
A, B	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A, B	IPR036974	PUA domain superfamily	Homologous Superfamily
A, B	IPR041532	RlmI-like, PUA 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.