Structure of PDB 3dxg Chain A

Receptor sequence
>3dxgA (length=124) Species: 9913 (Bos taurus) [Search protein sequence]
KETAAAKFERQHMDSSTSAASSSNYCNQMMKSRNLTKDRCKPVNTFVHES
LADVQAVCSQKNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNCAYKTT
QANKHIIVACEGNPYVPVHFDASV
3D structure
PDB3dxg Inhibitor design to Ribonuclease A: The binding of two 5'phosphate uridine analogues
ChainA
Resolution1.39 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 U5P A H12 V43 N44 T45 H119 F120 H12 V43 N44 T45 H119 F120 PDBbind-CN: -logKd/Ki=2.40,Ki=4.0mM
BS02 U5P A C65 N67 Q69 N71 A109 E111 V118 H119 C65 N67 Q69 N71 A109 E111 V118 H119 PDBbind-CN: -logKd/Ki=2.40,Ki=4.0mM
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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Cellular Component
External links
PDB RCSB:3dxg, PDBe:3dxg, PDBj:3dxg
PDBsum3dxg
PubMed
UniProtP61823|RNAS1_BOVIN Ribonuclease pancreatic (Gene Name=RNASE1)

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