3LDF

Crystal structure of SMU.776, a putative methyltransferase complexed with SAH

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3ldfa1	All beta proteins	PUA domain-like	PUA domain-like	Hypothetical RNA methyltransferase domain (HRMD)	Hypothetical protein SMu776, N-terminal domain	(Streptococcus mutans UA159 ) [TaxId: 210007 ],	SCOPe (2.08)
A	d3ldfa2	Alpha and beta proteins (a/b)	S-adenosyl-L-methionine-dependent methyltransferases	S-adenosyl-L-methionine-dependent methyltransferases	hypothetical RNA methyltransferase	Hypothetical protein SMu776, middle and C-terminal domains	(Streptococcus mutans UA159 ) [TaxId: 210007 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	PUA domain-like	8037688	3001015	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	S-adenosyl-L-methionine-dependent methyltransferases	8037690	3000118	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PUA_1	e3ldfA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: PUA domain	F: PUA_1	ECOD (1.6)
A	Spermine_synth	e3ldfA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: Spermine_synth	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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	PF10672	S-adenosylmethionine-dependent methyltransferase (Methyltrans_SAM)	S-adenosylmethionine-dependent methyltransferase	-	Family
A	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	Putative uncharacterized protein SMU.776	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	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR015947	PUA-like superfamily	Homologous Superfamily
A	IPR019614	S-adenosylmethionine-dependent methyltransferase	Domain
A	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A	IPR036974	PUA domain superfamily	Homologous Superfamily
A	IPR041532	RlmI-like, PUA domain	Domain

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 R01GM133198.