3KYH | pdb_00003kyh

Saccharomyces cerevisiae Cet1-Ceg1 capping apparatus

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	d3kyha_	Alpha and beta proteins (a+b)	CYTH-like phosphatases	CYTH-like phosphatases	mRNA triphosphatase CET1	automated matches	brewer's yeast,lager beer yeast,yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
B	d3kyhb_	Alpha and beta proteins (a+b)	CYTH-like phosphatases	CYTH-like phosphatases	mRNA triphosphatase CET1	automated matches	brewer's yeast,lager beer yeast,yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	CYTH-like phosphatases	8035719	3001426	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	CYTH-like phosphatases	8035719	3001426	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)
C	mRNA_cap_C	e3kyhC1	A: a/b three-layered sandwiches	X: OB-fold	H: Nucleic acid-binding protein	T: Nucleic acid-binding protein	F: mRNA_cap_C	ECOD (v294.1)
D	RVP	e3kyhD1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: RVP	ECOD (v294.1)
A	Peptidase_C1	e3kyhA1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: HTH	T: winged helix domain	F: Peptidase_C1	ECOD (v294.1)
B	RVP	e3kyhB1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: RVP	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.30.470.30	Alpha Beta	2-Layer Sandwich	D-amino Acid Aminotransferase	Chain A, domain 1	CATH (4.3.0)
C	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
D	3.30.470.30	Alpha Beta	2-Layer Sandwich	D-amino Acid Aminotransferase	Chain A, domain 1	CATH (4.3.0)
D	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
A	3.20.100.10	Alpha Beta	Alpha-Beta Barrel	mRNA Triphosphatase Cet1	Chain A	CATH (4.3.0)
B	3.20.100.10	Alpha Beta	Alpha-Beta Barrel	mRNA Triphosphatase Cet1	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C, D	PF03919	mRNA capping enzyme, C-terminal domain (mRNA_cap_C)	mRNA capping enzyme, C-terminal domain		Domain
C, D	PF01331	mRNA capping enzyme, catalytic domain (mRNA_cap_enzyme)	mRNA capping enzyme, catalytic domain	This family represents the ATP binding catalytic domain of the mRNA capping enzyme.	Domain
A, B	PF02940	mRNA capping enzyme, beta chain (mRNA_triPase)	mRNA capping enzyme, beta chain	The beta chain of mRNA capping enzyme has triphosphatase activity. The function of the capping enzyme also depends on the guanylyltransferase activity conferred by the alpha chain (see Pfam:PF01331)	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, D	mRNA-capping enzyme subunit alpha	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding guanylyltransferase activity mRNA guanylyltransferase activity RNA guanylyltransferase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid transferase activity catalytic activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups guanyl nucleotide binding GTP binding guanyl ribonucleotide binding	RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process tRNA processing metabolic process cellular process RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process tRNA processing metabolic process cellular process macromolecule metabolic process RNA processing 7-methylguanosine mRNA capping 7-methylguanosine RNA capping RNA capping mRNA processing mRNA metabolic process RNA 5'-end processing regulation of cellular process positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II regulation of biological process biological regulation regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process regulation of gene expression positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process	membrane-bounded organelle intracellular organelle protein-containing complex cellular anatomical structure intracellular anatomical structure organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle mRNA capping enzyme complex
A, B	mRNA-capping enzyme subunit beta	phosphoric ester hydrolase activity hydrolase activity, acting on ester bonds polynucleotide 5'-phosphatase activity phosphatase activity hydrolase activity catalytic activity pyrophosphatase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity, acting on acid anhydrides mRNA 5'-triphosphate monophosphatase activity	regulation of localization regulation of biological process regulation of protein localization positive regulation of protein localization to nucleus biological regulation positive regulation of biological process regulation of protein localization to nucleus protein localization to nucleus localization macromolecule localization protein localization to organelle positive regulation of protein localization intracellular protein localization transcription elongation by RNA polymerase II regulation of localization regulation of biological process regulation of protein localization positive regulation of protein localization to nucleus biological regulation positive regulation of biological process regulation of protein localization to nucleus protein localization to nucleus localization macromolecule localization protein localization to organelle positive regulation of protein localization intracellular protein localization transcription elongation by RNA polymerase II regulation of cellular process positive regulation of DNA-templated transcription positive regulation of transcription elongation by RNA polymerase II RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process positive regulation of metabolic process regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of DNA-templated transcription, elongation positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II regulation of DNA-templated transcription elongation regulation of transcription elongation by RNA polymerase II primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression positive regulation of transcription by RNA polymerase II macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression DNA-templated transcription elongation biosynthetic process positive regulation of RNA biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process 7-methylguanosine mRNA capping 7-methylguanosine RNA capping RNA capping mRNA processing mRNA metabolic process RNA 5'-end processing RNA processing	membrane-bounded organelle intracellular organelle protein-containing complex cellular anatomical structure intracellular anatomical structure organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle mRNA capping enzyme complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, D	IPR001339	mRNA capping enzyme, adenylation domain	Domain
C, D	IPR051029	mRNA_Capping_Enz/RNA_Phosphat	Unknown
C, D	IPR017075	mRNA capping enzyme, alpha subunit	Family
C, D	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
C, D	IPR013846	mRNA capping enzyme, C-terminal domain	Domain
A, B	IPR040343	RNA 5'-triphosphatase Cet1/Ctl1	Family
A, B	IPR004206	mRNA triphosphatase Cet1-like	Domain
A, B	IPR037009	mRNA triphosphatase Cet1-like superfamily	Homologous Superfamily
A, B	IPR033469	CYTH-like domain superfamily	Homologous Superfamily

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.