Structure of PDB 3p23 Chain A Binding Site BS02

Receptor Information
>3p23 Chain A (length=386) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VVIVGKISFCPKDVLGHGAEGTIVYRGMFDNRDVAVKRILPECFSFADRE
VQLLRESDEHPNVIRYFCTEKDRQFQYIAIELCAATLQEYVEQKDFAHLG
LEPITLLQQTTSGLAHLHSLNIVHRDLKPHNILISMPNAHGKIKAMISDF
GLCKKLVPGTEGWIAPEMLSEDNPTYTVDIFSAGCVFYYVISEGSHPFGK
SLQRQANILLGACSLDCLHPEKHEDVIARELIEKMIAMDPQKRPSAKHVL
KHPFFWSLEKQLQFFQDVSDRIEKESLDGPIVKQLERGGRAVVKMDWREN
ITVPLQTDLRKFRTYKGGSVRDLLRAMRNKKHHYRELPAEVRETLGTLPD
DFVCYFTSRFPHLLAHTYRAMELCSHERLFQPYYFH
Ligand information
Ligand IDADP
InChIInChI=1S/C10H15N5O10P2/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(24-10)1-23-27(21,22)25-26(18,19)20/h2-4,6-7,10,16-17H,1H2,(H,21,22)(H2,11,12,13)(H2,18,19,20)/t4-,6-,7-,10-/m1/s1
InChIKeyXTWYTFMLZFPYCI-KQYNXXCUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)OP(=O)(O)O)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]3O
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)O)O)O)N
FormulaC10 H15 N5 O10 P2
NameADENOSINE-5'-DIPHOSPHATE
ChEMBLCHEMBL14830
DrugBankDB16833
ZINCZINC000012360703
PDB chain3p23 Chain A Residue 1002 [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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PDB3p23 Structure of the Ire1 autophosphorylation complex and implications for the unfolded protein response.
Resolution2.7 Å
Binding residue
(original residue number in PDB)		H579 G580 A597 K599 I642 C645 K690 D711
Binding residue
(residue number reindexed from 1)		H17 G18 A35 K37 I80 C83 K128 D149
Annotation score5
Binding affinityPDBbind-CN: -logKd/Ki=4.42,IC50=38uM
Enzymatic activity
Catalytic site (original residue number in PDB) D688 K690 N693 D711 T734
Catalytic site (residue number reindexed from 1) D126 K128 N131 D149 T160
Enzyme Commision number 2.7.11.1: non-specific serine/threonine protein kinase.
3.1.26.-
Gene Ontology
Molecular Function
GO:0004521 RNA endonuclease activity
GO:0004540 RNA nuclease activity
GO:0004672 protein kinase activity
GO:0004674 protein serine/threonine kinase activity
GO:0005524 ATP binding
Biological Process
GO:0006397 mRNA processing
GO:0006468 protein phosphorylation
GO:0030968 endoplasmic reticulum unfolded protein response

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:3p23, PDBe:3p23, PDBj:3p23
PDBsum3p23
PubMed21317875
UniProtO75460|ERN1_HUMAN Serine/threonine-protein kinase/endoribonuclease IRE1 (Gene Name=ERN1)

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