1Z7X

X-ray structure of human ribonuclease inhibitor complexed with ribonuclease I

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
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth X]	d1z7xx_	Alpha and beta proteins (a+b)	RNase A-like	RNase A-like	Ribonuclease A-like	Ribonuclease A (also ribonuclease B, S)	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth Z]	d1z7xz_	Alpha and beta proteins (a+b)	RNase A-like	RNase A-like	Ribonuclease A-like	Ribonuclease A (also ribonuclease B, S)	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth W]	d1z7xw_	Alpha and beta proteins (a/b)	Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)	RNI-like	28-residue LRR	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D [auth Y]	d1z7xy_	Alpha and beta proteins (a/b)	Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)	RNI-like	28-residue LRR	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth X]	SCOP2 Family	Ribonuclease A-like	8022973	4000894	SCOP2 (2022-06-29)
A [auth X]	SCOP2 Superfamily	RNase A-like	8035353	3001918	SCOP2 (2022-06-29)
C [auth Z]	SCOP2B Superfamily	RNase A-like	8035353	3001918	SCOP2B (2022-06-29)
B [auth W]	SCOP2 Family	28-residue LRR	8022972	4003523	SCOP2 (2022-06-29)
B [auth W]	SCOP2 Superfamily	RNI-like	8035352	3000990	SCOP2 (2022-06-29)
D [auth Y]	SCOP2B Superfamily	RNI-like	8035352	3000990	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 [auth X]	RnaseA	e1z7xX1	A: a+b complex topology	X: RNase A-like	H: RNase A-like (From Topology)	T: RNase A-like	F: RnaseA	ECOD (1.6)
C [auth Z]	RnaseA	e1z7xZ1	A: a+b complex topology	X: RNase A-like	H: RNase A-like (From Topology)	T: RNase A-like	F: RnaseA	ECOD (1.6)
B [auth W]	LRR_8_4	e1z7xW1	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Leucine-rich repeats (From Topology)	T: Leucine-rich repeats	F: LRR_8_4	ECOD (1.6)
D [auth Y]	LRR_8_4	e1z7xY1	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Leucine-rich repeats (From Topology)	T: Leucine-rich repeats	F: LRR_8_4	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth X]	3.10.130.10	Alpha Beta	Roll	P-30 Protein	Ribonuclease A-like domain	CATH (4.3.0)
C [auth Z]	3.10.130.10	Alpha Beta	Roll	P-30 Protein	Ribonuclease A-like domain	CATH (4.3.0)
B [auth W]	3.80.10.10	Alpha Beta	Alpha-Beta Horseshoe	Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)	Ribonuclease Inhibitor	CATH (4.3.0)
D [auth Y]	3.80.10.10	Alpha Beta	Alpha-Beta Horseshoe	Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)	Ribonuclease Inhibitor	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth X], C [auth Z]	PF00074	Pancreatic ribonuclease (RnaseA)	Pancreatic ribonuclease	Ribonucleases. Members include pancreatic RNAase A and angiogenins. Structure is an alpha+beta fold -- long curved beta sheet and three helices.	Domain
B [auth W], D [auth Y]	PF13516	Leucine Rich repeat (LRR_6)	Leucine Rich repeat	-	Repeat
B [auth W], D [auth Y]	PF18779	Capping Ribonuclease inhibitor Leucine Rich Repeat (LRR_RI_capping)	Capping Ribonuclease inhibitor Leucine Rich Repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth X], C [auth Z]	Ribonuclease I	endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 3'-phosphomonoesters endonuclease activity ribonuclease A activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity RNA endonuclease activity, producing 3'-phosphomonoesters nuclease activity hydrolase activity, acting on ester bonds RNA endonuclease activity catalytic activity lyase activity binding endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 3'-phosphomonoesters endonuclease activity ribonuclease A activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity RNA endonuclease activity, producing 3'-phosphomonoesters nuclease activity hydrolase activity, acting on ester bonds RNA endonuclease activity catalytic activity lyase activity binding organic cyclic compound binding nucleic acid binding	biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response defense response to Gram-positive bacterium response to external stimulus response to biotic stimulus defense response to bacterium defense response to other organism response to stress response to bacterium response to external biotic stimulus	extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space cellular anatomical entity vesicle extracellular membrane-bounded organelle
B [auth W], D [auth Y]	Ribonuclease inhibitor	enzyme regulator activity molecular function inhibitor activity molecular function regulator activity nuclease inhibitor activity enzyme inhibitor activity ribonuclease inhibitor activity	developmental process multicellular organismal process regulation of multicellular organismal development regulation of biological process regulation of developmental process blood vessel morphogenesis tube development biological regulation angiogenesis vasculature development regulation of vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis developmental process multicellular organismal process regulation of multicellular organismal development regulation of biological process regulation of developmental process blood vessel morphogenesis tube development biological regulation angiogenesis vasculature development regulation of vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis regulation of angiogenesis anatomical structure development anatomical structure formation involved in morphogenesis regulation of multicellular organismal process regulation of anatomical structure morphogenesis blood vessel development system development regulation of cellular process catabolic process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process organic substance metabolic process organic substance biosynthetic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process cellular metabolic process negative regulation of metabolic process regulation of cellular metabolic process primary metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process mRNA metabolic process negative regulation of cellular biosynthetic process nucleic acid metabolic process organic cyclic compound catabolic process nucleobase-containing compound catabolic process regulation of cellular biosynthetic process regulation of gene expression organic cyclic compound metabolic process negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process organic substance catabolic process regulation of Arp2/3 complex-mediated actin nucleation regulation of cytoskeleton organization regulation of cellular component organization regulation of actin filament-based process cellular component organization regulation of actin nucleation actin filament-based process cellular component organization or biogenesis regulation of actin filament organization actin cytoskeleton organization actin filament organization Arp2/3 complex-mediated actin nucleation regulation of organelle organization organelle organization regulation of actin cytoskeleton organization regulation of supramolecular fiber organization actin nucleation supramolecular fiber organization cytoskeleton organization cell migration cell motility	cell projection cell leading edge cellular anatomical entity plasma membrane bounded cell projection lamellipodium extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle cell projection cell leading edge cellular anatomical entity plasma membrane bounded cell projection lamellipodium extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle protein-containing complex angiogenin-PRI complex intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth X], C [auth Z]	IPR023412	Ribonuclease A-domain	Domain
A [auth X], C [auth Z]	IPR036816	Ribonuclease A-like domain superfamily	Homologous Superfamily
A [auth X], C [auth Z]	IPR001427	Pancreatic ribonuclease	Family
A [auth X], C [auth Z]	IPR023411	Ribonuclease A, active site	Active Site
B [auth W], D [auth Y]	IPR001611	Leucine-rich repeat	Repeat
B [auth W], D [auth Y]	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
B [auth W], D [auth Y]	IPR041302	Ribonuclease inhibitor, leucine rich repeat cap	Repeat
B [auth W], D [auth Y]	IPR006553	Leucine-rich repeat, cysteine-containing subtype	Repeat

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth X], C [auth Z]	Pharos: P07998	nasopharyngeal carcinoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm psoriasis adrenal cortex carcinoma breast cancer Duchenne muscular dystrophy invasive ductal breast carcinoma lung adenocarcinoma malignant colon neoplasm MALT lymphoma non-small cell lung carcinoma pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia astrocytic tumor nasopharyngeal carcinoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm psoriasis adrenal cortex carcinoma breast cancer Duchenne muscular dystrophy invasive ductal breast carcinoma lung adenocarcinoma malignant colon neoplasm MALT lymphoma non-small cell lung carcinoma pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia astrocytic tumor breast carcinoma ductal breast carcinoma in situ large cell medulloblastoma lung cancer malignant ependymoma medulloblastoma oligodendroglioma pancreatic intraductal papillary-mucinous carcinoma pilocytic astrocytoma Becker muscular dystrophy breast fibroadenoma interstitial cystitis limb-girdle muscular dystrophy lung carcinoma malignant pancreatic neoplasm
B [auth W], D [auth Y]	Pharos: P13489	diabetes mellitus ovarian cancer lung cancer psoriasis malignant mesothelioma systemic lupus erythematosus

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.