Annotations: 6CWX

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF12328	e6cwxA1	A: a+b two layers	X: IF3-like	H: AlbA-like (From Topology)	T: AlbA-like	F: PF12328	ECOD (1.6)
B	PF01918	e6cwxB1	A: a+b two layers	X: IF3-like	H: AlbA-like (From Topology)	T: AlbA-like	F: PF01918	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF12328	Rpp20 subunit of nuclear RNase MRP and P (Rpp20)	Rpp20 subunit of nuclear RNase MRP and P	-	Family
B	PF01918	Alba (Alba)	Alba	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Ribonuclease P protein subunit p20	RNA binding binding organic cyclic compound binding nucleic acid binding ribonuclease P RNA binding 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 RNA binding binding organic cyclic compound binding nucleic acid binding ribonuclease P RNA binding 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	cellular biosynthetic process RNA metabolic process nucleobase-containing compound metabolic process organic substance metabolic process tRNA processing organic substance biosynthetic process RNA processing tRNA 5'-end processing cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process cellular biosynthetic process RNA metabolic process nucleobase-containing compound metabolic process organic substance metabolic process tRNA processing organic substance biosynthetic process RNA processing tRNA 5'-end processing cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process organic cyclic compound metabolic process biosynthetic process ncRNA metabolic process nucleic acid catabolic process RNA 5'-end processing metabolic process cellular process macromolecule metabolic process tRNA 5'-leader removal ribonucleoprotein complex biogenesis rRNA processing cellular component biogenesis ribosome biogenesis cellular component organization or biogenesis rRNA metabolic process	membrane-bounded organelle protein-containing complex intracellular anatomical structure ribonuclease P complex multimeric ribonuclease P complex nucleus membrane-enclosed lumen nuclear protein-containing complex endonuclease complex intracellular organelle lumen intracellular organelle nucleolar ribonuclease P complex non-membrane-bounded organelle catalytic complex membrane-bounded organelle protein-containing complex intracellular anatomical structure ribonuclease P complex multimeric ribonuclease P complex nucleus membrane-enclosed lumen nuclear protein-containing complex endonuclease complex intracellular organelle lumen intracellular organelle nucleolar ribonuclease P complex non-membrane-bounded organelle catalytic complex intracellular membrane-bounded organelle cellular anatomical entity nucleolus endoribonuclease complex organelle lumen organelle ribonucleoprotein complex intracellular non-membrane-bounded organelle intracellular protein-containing complex nuclear lumen sno(s)RNA-containing ribonucleoprotein complex ribonuclease MRP complex cytoplasm nucleoplasm
B	Ribonuclease P protein subunit p25	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 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 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 metabolic process cellular process macromolecule metabolic process tRNA processing tRNA 5'-end processing tRNA metabolic process RNA 5'-end processing tRNA 5'-leader removal	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle protein-containing complex endoribonuclease complex catalytic complex sno(s)RNA-containing ribonucleoprotein complex ribonuclease MRP complex ribonucleoprotein complex intracellular protein-containing complex endonuclease complex nucleoplasm centrosome microtubule organizing center cytoskeleton centriolar satellite microtubule cytoskeleton ribonuclease P complex multimeric ribonuclease P complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036882	Alba-like domain superfamily	Homologous Superfamily
A	IPR014612	Ribonucleases P/MRP protein subunit Rpp20/Pop7	Family
B	IPR036882	Alba-like domain superfamily	Homologous Superfamily
B	IPR002775	DNA/RNA-binding protein Alba-like	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: O75817	Hashimoto thyroiditis non-small cell lung carcinoma inflammatory bowel disease ovarian cancer lung cancer Sjogren syndrome
B	Pharos: Q9BUL9	astrocytic tumor hypertensive disorder malignant glioma rheumatoid arthritis atypical teratoid rhabdoid tumor lung cancer malignant mesothelioma systemic lupus erythematosus chronic obstructive pulmonary disease malignant ependymoma oligodendroglioma

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.