Structure of PDB 6x3p Chain A

Receptor sequence
>6x3pA (length=266) Species: 9606 (Homo sapiens) [Search protein sequence]
SWEIDPKDLTFLKELGTGQFGVVKYGKWRGQYDVAIKMIKEGSMSEDEFI
EEAKVMMNLSHEKLVQLYGVCTKQRPIFIITEYMANGCLLNYLREMRHRF
QTQQLLEMCKDVCEAMEYLESKQFLHRDLAARNCLVNDQGVVKVSDFGLS
RYVLDDEYTSSVGSKFPVRWSPPEVLMYSKFSSKSDIWAFGVLMWEIYSL
GKMPYERFTNSETAEHIAQGLRLYRPHLASEKVYTIMYSCWHEKADERPT
FKILLSNILDVMDEES
3D structure
PDB6x3p Potent, non-covalent reversible BTK inhibitors with 8-amino-imidazo[1,5-a]pyrazine core featuring 3-position bicyclic ring substitutes.
ChainA
Resolution1.34 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D521 A523 R525 N526 D539
Catalytic site (residue number reindexed from 1) D128 A130 R132 N133 D146
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 UM4 A L408 V416 A428 K430 F442 A446 L460 I472 T474 M477 G480 C481 N526 L528 S538 D539 F540 L542 L15 V23 A35 K37 F49 A53 L67 I79 T81 M84 G87 C88 N133 L135 S145 D146 F147 L149 MOAD: ic50=0.58nM
BindingDB: IC50=0.58nM
BS02 UM4 A W395 W421 Y425 V427 N451 S453 Q459 Y461 W2 W28 Y32 V34 N58 S60 Q66 Y68 MOAD: ic50=0.58nM
BindingDB: IC50=0.58nM
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

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Molecular Function
View graph for
Biological Process
External links
PDB RCSB:6x3p, PDBe:6x3p, PDBj:6x3p
PDBsum6x3p
PubMed32738973
UniProtQ06187|BTK_HUMAN Tyrosine-protein kinase BTK (Gene Name=BTK)

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