Structure of PDB 4e4l Chain B

Receptor sequence
>4e4lB (length=281) Species: 9606 (Homo sapiens) [Search protein sequence]
EVDPTHFEKRFLKRIRDLGEGHFGKVELCRYDPEGDNTGEQVAVKSLKNH
IADLKKEIEILRNLYHENIVKYKGICTGIKLIMEFLPSGSLKEYLPKNKN
KINLKQQLKYAVQICKGMDYLGSRQYVHRDLAARNVLVESEHQVKIGDFG
LTKAIETDKEYYTVKDDRDSPVFWYAPECLMQSKFYIASDVWSFGVTLHE
LLTYCDSDSSPMALFLKMIGPTHGQMTVTRLVNTLKEGKRLPCPPNCPDE
VYQLMRKCWEFQPSNRTSFQNLIEGFEALLK
3D structure
PDB4e4l Identification of Imidazo-Pyrrolopyridines as Novel and Potent JAK1 Inhibitors.
ChainB
Resolution2.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D1003 A1005 R1007 N1008 D1021 D1040
Catalytic site (residue number reindexed from 1) D130 A132 R134 N135 D148 D167
Enzyme Commision number 2.7.10.2: non-specific protein-tyrosine kinase.
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 0NH B L881 G882 E883 V889 A906 M956 E957 F958 L959 R1007 N1008 L1010 G1020 D1021 L18 G19 E20 V26 A43 M83 E84 F85 L86 R134 N135 L137 G147 D148 MOAD: Ki=1.7nM
BindingDB: EC50=210nM,Ki=1.7nM
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:4e4l, PDBe:4e4l, PDBj:4e4l
PDBsum4e4l
PubMed22591402
UniProtP23458|JAK1_HUMAN Tyrosine-protein kinase JAK1 (Gene Name=JAK1)

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