Structure of PDB 4iva Chain A Binding Site BS01

Receptor Information
>4iva Chain A (length=292) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PTQFEERHLKFLQQLGKGNFGSVEMCRYDPLQDNTGEVVAVKKLQHSTEE
HLRDFEREIEILKSLQHDNIVKYKGVCYSAGRRNLKLIMEYLPYGSLRDY
LQKHKERIDHIKLLQYTSQICKGMEYLGTKRYIHRDLATRNILVENENRV
KIGDFGLTKVLPQDKEYYKVKEPGESPIFWYAPESLTESKFSVASDVWSF
GVVLYELFTYIEKSKSPPAEFMRMIGNDKQGQMIVFHLIELLKNNGRLPR
PDGCPDEIYMIMTECWNNNVNQRPSFRDLALRVDQIRDNMAG
Ligand information
Ligand ID1J5
InChIInChI=1S/C17H19N5O/c1-10(23)17-21-14-9-20-16-13(6-7-19-16)15(14)22(17)12-4-2-11(8-18)3-5-12/h6-7,9-12,23H,2-5H2,1H3,(H,19,20)/t10-,11-,12-/m1/s1
InChIKeyANDWOIMHOOWCLK-IJLUTSLNSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6C[C@H](c1nc2cnc3c(c2n1C4CCC(CC4)C#N)cc[nH]3)O
ACDLabs 12.01N#CC4CCC(n3c(nc2cnc1nccc1c23)C(O)C)CC4
OpenEye OEToolkits 1.7.6CC(c1nc2cnc3c(c2n1C4CCC(CC4)C#N)cc[nH]3)O
CACTVS 3.370C[CH](O)c1nc2cnc3[nH]ccc3c2n1[CH]4CC[CH](CC4)C#N
CACTVS 3.370C[C@@H](O)c1nc2cnc3[nH]ccc3c2n1[C@H]4CC[C@@H](CC4)C#N
FormulaC17 H19 N5 O
Nametrans-4-{2-[(1R)-1-hydroxyethyl]imidazo[4,5-d]pyrrolo[2,3-b]pyridin-1(6H)-yl}cyclohexanecarbonitrile
ChEMBLCHEMBL2386633
DrugBank
ZINCZINC000101680566
PDB chain4iva Chain A Residue 1201 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB4iva Identification of C-2 Hydroxyethyl Imidazopyrrolopyridines as Potent JAK1 Inhibitors with Favorable Physicochemical Properties and High Selectivity over JAK2.
Resolution1.5 Å
Binding residue
(original residue number in PDB)
V863 A880 M929 Y931 L932 S936 L983 D994
Binding residue
(residue number reindexed from 1)
V23 A40 M89 Y91 L92 S96 L143 D154
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=7.16,Ki=68.4nM
Enzymatic activity
Catalytic site (original residue number in PDB) D976 A978 R980 N981 D994 S1016
Catalytic site (residue number reindexed from 1) D136 A138 R140 N141 D154 S176
Enzyme Commision number 2.7.10.2: non-specific protein-tyrosine kinase.
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0004713 protein tyrosine kinase activity
GO:0005524 ATP binding
Biological Process
GO:0006468 protein phosphorylation

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:4iva, PDBe:4iva, PDBj:4iva
PDBsum4iva
PubMed23659214
UniProtO60674|JAK2_HUMAN Tyrosine-protein kinase JAK2 (Gene Name=JAK2)

[Back to BioLiP]