Annotations: 2KI7

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	RNase P subunit p29-like	8063357	4000863	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Rof/RNase P subunit-like	8063358	3001815	SCOP2 (2022-06-29)
B	SCOP2 Family	Rpp21-like	8045167	4004333	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Zinc beta-ribbon	8057025	3001238	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Rpp21 N-terminal region-like	8057024	3002379	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)
A	UPF0086	e2ki7A1	A: beta barrels	X: SH3	H: RNase P subunit p29 (From Topology)	T: RNase P subunit p29	F: UPF0086	ECOD (1.6)
B	Rpr2	e2ki7B1	A: few secondary structure elements	X: Rubredoxin-like	H: Rubredoxin-related	T: Rubredoxin-related	F: Rpr2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.30.210	Mainly Beta	Roll	SH3 type barrels.	Ribonuclease P/MRP, subunit p29	CATH (4.3.0)
B	1.20.5.420	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Immunoglobulin FC, subunit C	CATH (4.3.0)
B	6.20.50.20	Special	Other non-globular	N-terminal domain of TfIIb		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01868	Ribonuclease P/MRP, subunit p29 (RNase_P-MRP_p29)	Ribonuclease P/MRP, subunit p29	-	Family
B	PF04032	RNAse P Rpr2/Rpp21/SNM1 subunit domain (Rpr2)	RNAse P Rpr2/Rpp21/SNM1 subunit domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Ribonuclease P protein component 1	tRNA-specific ribonuclease activity endonuclease activity RNA endonuclease activity, producing 5'-phosphomonoesters catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity, acting on a tRNA nuclease activity hydrolase activity, acting on ester bonds RNA endonuclease activity ribonuclease P activity endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters catalytic activity tRNA-specific ribonuclease activity endonuclease activity RNA endonuclease activity, producing 5'-phosphomonoesters catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity, acting on a tRNA nuclease activity hydrolase activity, acting on ester bonds RNA endonuclease activity ribonuclease P activity endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters catalytic activity RNA binding binding organic cyclic compound binding nucleic acid binding ribonuclease P RNA binding	ribonucleoprotein complex biogenesis cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process rRNA processing gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular component biogenesis RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process ribonucleoprotein complex biogenesis cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process rRNA processing gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular component biogenesis RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process biosynthetic process metabolic process cellular process macromolecule metabolic process cellular component organization or biogenesis RNA processing rRNA metabolic process tRNA metabolic process tRNA processing RNA 5'-end processing tRNA 5'-leader removal tRNA 5'-end processing	protein-containing complex endoribonuclease complex catalytic complex sno(s)RNA-containing ribonucleoprotein complex ribonuclease MRP complex ribonucleoprotein complex intracellular protein-containing complex endonuclease complex intracellular anatomical structure cytoplasm cellular anatomical entity ribonuclease P complex
B	Ribonuclease P protein component 4	tRNA-specific ribonuclease activity endonuclease activity RNA endonuclease activity, producing 5'-phosphomonoesters catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity, acting on a tRNA nuclease activity hydrolase activity, acting on ester bonds RNA endonuclease activity ribonuclease P activity endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters catalytic activity tRNA-specific ribonuclease activity endonuclease activity RNA endonuclease activity, producing 5'-phosphomonoesters catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity, acting on a tRNA nuclease activity hydrolase activity, acting on ester bonds RNA endonuclease activity ribonuclease P activity endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters catalytic activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding	cellular biosynthetic process cellular metabolic 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 RNA 5'-end processing cellular biosynthetic process cellular metabolic 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 RNA 5'-end processing metabolic process cellular process macromolecule metabolic process RNA processing tRNA 5'-leader removal tRNA 5'-end processing	intracellular anatomical structure cytoplasm cellular anatomical entity protein-containing complex endoribonuclease complex catalytic complex ribonuclease P complex ribonucleoprotein complex intracellular protein-containing complex endonuclease complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR023538	Ribonuclease P protein subunit RNP1	Family
A	IPR036980	Ribonuclease P/MRP subunit Rpp29 superfamily	Homologous Superfamily
A	IPR002730	Ribonuclease P protein subunit Rpp29/RNP1	Family
A	IPR023534	Rof/RNase P-like	Homologous Superfamily
A	IPR016848	Ribonuclease P/MRP subunit Rpp29	Family
B	IPR007175	Ribonuclease P subunit, Rpr2/Snm1/Rpp21	Family
B	IPR016432	Ribonuclease P subunit RNP4	Family

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.