Structure of PDB 6urw Chain A

Receptor sequence
>6urwA (length=260) Species: 3988 (Ricinus communis) [Search protein sequence]
PKQYPIINFTTAGATVQSYTNFIRAVRGRLTTGADVRHEIPVLPNRVGLP
INQRFILVELSNHAELSVTLALDVTNAYVVGYRAGNSAYFFHPDNQEDAE
AITHLFTDVQNRYTFAFGGNYDRLEQLAGNLRENIELGNGPLEEAISALY
YYSTGGTQLPTLARSFIICIQMISEAARFQYIEGEMRTRIRYNRRSAPDP
SVITLENSWGRLSTAIQESNQGAFASPIQLQRRNGSKFSVYDVSILIPII
ALMVYRCAPP
3D structure
PDB6urw Small Molecule Inhibitors Targeting the Interaction of Ricin Toxin A Subunit with Ribosomes.
ChainA
Resolution2.4 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) V81 E177 R180
Catalytic site (residue number reindexed from 1) V79 E175 R178
Enzyme Commision number 3.2.2.22: rRNA N-glycosylase.
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 R7T A Y183 R234 R235 F240 I251 Y181 R232 R233 F238 I249 MOAD: ic50=32uM
Gene Ontology
Molecular Function
GO:0030598 rRNA N-glycosylase activity
Biological Process
GO:0017148 negative regulation of translation

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Molecular Function

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Biological Process
External links
PDB RCSB:6urw, PDBe:6urw, PDBj:6urw
PDBsum6urw
PubMed32428396
UniProtP02879|RICI_RICCO Ricin

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