Structure of PDB 5cst Chain A

Receptor sequence
>5cstA (length=246) Species: 3672 (Momordica balsamina) [Search protein sequence]
DVSFRLSGADPSSYGMFIKDLRNALPHTEKVYNIPLLLPSVSGAGRYLLM
HLFNYDGNTITVAVDVTNVYIMGYLALTTSYFFNEPAADLASQYVFRSAR
RKITLPYSGNYERLQIAAGKPREKIPIGLPALDTAISTLLHYDSTAAAGA
LLVLIQTTAEAARFKYIEQQIQERAYRDEVPSSATISLENSWSGLSKQIQ
LAQGNNGVFRTPTVLVDSKGNRVQITNVTSNVVTSNIQLLLNTKNI
3D structure
PDB5cst Binding and structural studies of the complexes of type 1 ribosome inactivating protein fromMomordica balsaminawith cytosine, cytidine, and cytidine diphosphate.
ChainA
Resolution1.78 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) I71 E160 R163
Catalytic site (residue number reindexed from 1) I71 E160 R163
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 CDP A Y70 I71 E85 G109 N110 Y111 E112 I155 R163 Y70 I71 E85 G109 N110 Y111 E112 I155 R163 PDBbind-CN: -logKd/Ki=6.96,Kd=110nM
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0016787 hydrolase activity
GO:0030598 rRNA N-glycosylase activity
GO:0090729 toxin activity
Biological Process
GO:0017148 negative regulation of translation
GO:0035821 modulation of process of another organism

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Molecular Function
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Biological Process
External links
PDB RCSB:5cst, PDBe:5cst, PDBj:5cst
PDBsum5cst
PubMed29124196
UniProtD9J2T9

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