Structure of PDB 1z6d Chain A Binding Site BS03

Receptor Information
>1z6d Chain A (length=124) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KETAAAKFERQHMDSSTSAASSSNYCNQMMKSRNLTKDRCKPVNTFVHES
LADVQAVCSQKNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNCAYKTT
QANKHIIVACEGNPYVPVHFDASV
Ligand information
Ligand IDIMP
InChIInChI=1S/C10H13N4O8P/c15-6-4(1-21-23(18,19)20)22-10(7(6)16)14-3-13-5-8(14)11-2-12-9(5)17/h2-4,6-7,10,15-16H,1H2,(H,11,12,17)(H2,18,19,20)/t4-,6-,7-,10-/m1/s1
InChIKeyGRSZFWQUAKGDAV-KQYNXXCUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.5c1nc2c(n1[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)(O)O)O)O)N=CNC2=O
ACDLabs 10.04O=C1c2ncn(c2N=CN1)C3OC(C(O)C3O)COP(=O)(O)O
OpenEye OEToolkits 1.7.5c1nc2c(n1C3C(C(C(O3)COP(=O)(O)O)O)O)N=CNC2=O
CACTVS 3.385O[CH]1[CH](O)[CH](O[CH]1CO[P](O)(O)=O)n2cnc3C(=O)NC=Nc23
CACTVS 3.385O[C@H]1[C@@H](O)[C@@H](O[C@@H]1CO[P](O)(O)=O)n2cnc3C(=O)NC=Nc23
FormulaC10 H13 N4 O8 P
NameINOSINIC ACID
ChEMBLCHEMBL1207374
DrugBankDB04566
ZINCZINC000004228242
PDB chain1z6d Chain A Residue 921 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1z6d The binding of IMP to Ribonuclease A
Resolution1.54 Å
Binding residue
(original residue number in PDB)		K66 S123 V124
Binding residue
(residue number reindexed from 1)		K66 S123 V124
Annotation score4
Binding affinityMOAD: Ki=4.6mM
PDBbind-CN: -logKd/Ki=2.34,Ki=4.6mM
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.
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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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1z6d, PDBe:1z6d, PDBj:1z6d
PDBsum1z6d
PubMed16045769
UniProtP61823|RNAS1_BOVIN Ribonuclease pancreatic (Gene Name=RNASE1)

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