Structure of PDB 5cst Chain A Binding Site BS01

Receptor Information
>5cst Chain A (length=246) Species: 3672 (Momordica balsamina) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DVSFRLSGADPSSYGMFIKDLRNALPHTEKVYNIPLLLPSVSGAGRYLLM
HLFNYDGNTITVAVDVTNVYIMGYLALTTSYFFNEPAADLASQYVFRSAR
RKITLPYSGNYERLQIAAGKPREKIPIGLPALDTAISTLLHYDSTAAAGA
LLVLIQTTAEAARFKYIEQQIQERAYRDEVPSSATISLENSWSGLSKQIQ
LAQGNNGVFRTPTVLVDSKGNRVQITNVTSNVVTSNIQLLLNTKNI
Ligand information
Ligand IDCDP
InChIInChI=1S/C9H15N3O11P2/c10-5-1-2-12(9(15)11-5)8-7(14)6(13)4(22-8)3-21-25(19,20)23-24(16,17)18/h1-2,4,6-8,13-14H,3H2,(H,19,20)(H2,10,11,15)(H2,16,17,18)/t4-,6-,7-,8-/m1/s1
InChIKeyZWIADYZPOWUWEW-XVFCMESISA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C1=CN(C(=O)N=C1N)C2C(C(C(O2)COP(=O)(O)OP(=O)(O)O)O)O
CACTVS 3.341NC1=NC(=O)N(C=C1)[C@@H]2O[C@H](CO[P@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]2O
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OCC2OC(N1C(=O)N=C(N)C=C1)C(O)C2O
OpenEye OEToolkits 1.5.0C1=CN(C(=O)N=C1N)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)(O)OP(=O)(O)O)O)O
CACTVS 3.341NC1=NC(=O)N(C=C1)[CH]2O[CH](CO[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]2O
FormulaC9 H15 N3 O11 P2
NameCYTIDINE-5'-DIPHOSPHATE
ChEMBLCHEMBL425252
DrugBankDB04555
ZINCZINC000008215624
PDB chain5cst Chain A Residue 304 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB5cst Binding and structural studies of the complexes of type 1 ribosome inactivating protein fromMomordica balsaminawith cytosine, cytidine, and cytidine diphosphate.
Resolution1.78 Å
Binding residue
(original residue number in PDB)		Y70 I71 E85 G109 N110 Y111 E112 I155 R163
Binding residue
(residue number reindexed from 1)		Y70 I71 E85 G109 N110 Y111 E112 I155 R163
Annotation score4
Binding affinityPDBbind-CN: -logKd/Ki=6.96,Kd=110nM
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.
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

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

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