Structure of PDB 1rpf Chain A

Receptor sequence
>1rpfA (length=124) Species: 9913 (Bos taurus) [Search protein sequence]
KETAAAKFERQHMDSSTSAASSSNYCNQMMKSRNLTKDRCKPVNTFVHES
LADVQAVCSQKNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNCAYKTT
QANKHIIVACEGNPYVPVHFDASV
3D structure
PDB1rpf The structures of RNase A complexed with 3'-CMP and d(CpA): active site conformation and conserved water molecules.
ChainA
Resolution2.2 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H12 K41 H119 F120 D121
Catalytic site (residue number reindexed from 1) H12 K41 H119 F120 D121
Enzyme Commision number 4.6.1.18: pancreatic ribonuclease.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 C3P A H12 K41 V43 N44 T45 H119 F120 H12 K41 V43 N44 T45 H119 F120 PDBbind-CN: -logKd/Ki=3.99,Ki=103uM
BindingDB: Ki=103000nM
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0004519 endonuclease activity
GO:0004522 ribonuclease A activity
GO:0004540 RNA nuclease activity
GO:0005515 protein binding
GO:0016829 lyase activity
Biological Process
GO:0050830 defense response to Gram-positive bacterium
Cellular Component
GO:0005576 extracellular region

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:1rpf, PDBe:1rpf, PDBj:1rpf
PDBsum1rpf
PubMed7756988
UniProtP61823|RNAS1_BOVIN Ribonuclease pancreatic (Gene Name=RNASE1)

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