Structure of PDB 5et4 Chain B

Receptor sequence
>5et4B (length=124) Species: 9913 (Bos taurus) [Search protein sequence]
KETAAAHFEHQHMDSSTSAASSSNYCNQMMKSRNLTKDRCKPVNTFVHES
LADVQAVCSQKNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNCAYKTT
QANKHIIVACEGNPYVPVHFDASV
3D structure
PDB5et4 Characterization of an RNase with two catalytic centers. Human RNase6 catalytic and phosphate-binding site arrangement favors the endonuclease cleavage of polymeric substrates.
ChainB
Resolution2.1 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
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 B H12 K41 V43 N44 T45 H119 F120 H12 K41 V43 N44 T45 H119 F120 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

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:5et4, PDBe:5et4, PDBj:5et4
PDBsum5et4
PubMed30287244
UniProtP61823|RNAS1_BOVIN Ribonuclease pancreatic (Gene Name=RNASE1)

[Back to BioLiP]