Molecular recognition of human angiogenin by placental ribonuclease inhibitor--an X-ray crystallographic study at 2.0 A resolution.

Papageorgiou, A.C., Shapiro, R., Acharya, K.R.

doi:10.1093/emboj/16.17.5162

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RIBONUCLEASE INHIBITOR-ANGIOGENIN COMPLEX

Annotation data related to this entry.

1A4Y

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Domain Annotation: SCOP Classification (version 1.75)

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Domain Info	Class	Fold	Superfamily	Family	Domain	Species
d1a4ya_	Alpha and beta proteins (a/b)	Leucine-rich repeat, LRR (right-handed beta- alpha superhelix)	RNI-like	28-residue LRR	Ribonuclease inhibitor	Human (Homo sapiens) [TaxId: 9606]
d1a4yd_	Alpha and beta proteins (a/b)	Leucine-rich repeat, LRR (right-handed beta- alpha superhelix)	RNI-like	28-residue LRR	Ribonuclease inhibitor	Human (Homo sapiens) [TaxId: 9606]
d1a4yb_	Alpha and beta proteins (a+b)	RNase A-like	RNase A-like	Ribonuclease A-like	Angiogenin	Human (Homo sapiens) [TaxId: 9606]
d1a4ye_	Alpha and beta proteins (a+b)	RNase A-like	RNase A-like	Ribonuclease A-like	Angiogenin	Human (Homo sapiens) [TaxId: 9606]

Domain Annotation: CATH Classification (version 3.5.0)

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Domain	Class	Architecture	Topology	Homology
1a4yA00	Alpha Beta	Alpha-Beta Horseshoe	Leucine-rich repeat, LRR (right-handed beta- alpha superhelix)	Ribonuclease Inhibitor
1a4yB00	Alpha Beta	Roll	P-30 Protein	P-30 Protein
1a4yD00	Alpha Beta	Alpha-Beta Horseshoe	Leucine-rich repeat, LRR (right-handed beta- alpha superhelix)	Ribonuclease Inhibitor
1a4yE00	Alpha Beta	Roll	P-30 Protein	P-30 Protein

Protein Family Annotation: Pfam Classification

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Chain	Pfam Accession	Pfam Family Identifier	Pfam Description	Type	Comment
A	PF13516	LRR_6	Leucine Rich repeat	Repeat
A	PF13516	LRR_6	Leucine Rich repeat	Repeat
B	PF00074	RnaseA	Pancreatic ribonuclease	Domain	Ribonucleases. Members include pancreatic RNAase A and angiogenins. Structure is an alpha+beta fold -- long curved beta sheet and three helices. Source: Pfam
A	PF13516	LRR_6	Leucine Rich repeat	Repeat
A	PF13504	LRR_7	Leucine rich repeat	Repeat
A	PF00560	LRR_1	Leucine Rich Repeat	Repeat
A	PF13516	LRR_6	Leucine Rich repeat	Repeat
A	PF13516	LRR_6	Leucine Rich repeat	Repeat

Gene Product Annotation: GO Terms

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Polymer	Molecular Function	Biological Process	Cellular Component
RIBONUCLEASE INHIBITOR (1A4Y:A,D)	protein binding ribonuclease inhibitor activity	mRNA catabolic process negative regulation of catalytic activity regulation of angiogenesis	cytoplasm angiogenin-PRI complex extracellular vesicular exosome
ANGIOGENIN (1A4Y:B,E)	nucleic acid binding DNA binding actin binding nuclease activity endonuclease activity ribonuclease activity receptor binding copper ion binding protein binding heparin binding hydrolase activity rRNA binding peptide binding	angiogenesis ovarian follicle development oocyte maturation response to hypoxia placenta development positive regulation of endothelial cell proliferation diacylglycerol biosynthetic process cell communication activation of phospholipase C activity multicellular organismal development rRNA transcription response to hormone cell migration negative regulation of translation actin filament polymerization cell differentiation activation of protein kinase B activity activation of phospholipase A2 activity positive regulation of phosphorylation homeostatic process negative regulation of smooth muscle cell proliferation positive regulation of protein secretion nucleic acid phosphodiester bond hydrolysis RNA phosphodiester bond hydrolysis	extracellular region proteinaceous extracellular matrix basement membrane basal lamina extracellular space nucleus nucleolus growth cone angiogenin-PRI complex neuronal cell body extracellular vesicular exosome

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