Structure of PDB 1q6s Chain A

Receptor sequence
>1q6sA (length=289) Species: 9606 (Homo sapiens) [Search protein sequence]
KLEFMEMEKEFEQIDKSGSWAAIYQDIRHEASDFPCRVAKLPKNKNRNRY
RDVSPFDHSRIKLHQEDNDYINASLIKMEEAQRSYILTQGPLPNTCGHFW
EMVWEQKSRGVVMLNRVMEKGSLKCAQYWPQKEEKEMIFEDTNLKLTLIS
EDIKSYYTVRQLELENLTTQETREILHFHYTTWPDFGVPESPASFLNFLF
KVRESGSLSPEHGPVVVHCSAGIGRSGTFCLADTCLLLMDKRKDPSSVDI
KKVLLEMRKFRMGLIQTADQLRFSYLAVIEGAKFIMGDS
3D structure
PDB1q6s The Structural Basis for the Selectivity of Benzotriazole Inhibitors of Ptp1B
ChainA
Resolution2.2 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D681 C715 R721 S722 Q762
Catalytic site (residue number reindexed from 1) D185 C219 R225 S226 Q266
Enzyme Commision number 3.1.3.48: protein-tyrosine-phosphatase.
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 214 A R524 D529 Y546 R547 D548 F682 C715 S716 A717 I719 G720 R721 R754 M758 Q762 R28 D33 Y50 R51 D52 F186 C219 S220 A221 I223 G224 R225 R258 M262 Q266 MOAD: ic50=12nM
PDBbind-CN: -logKd/Ki=7.92,IC50=12nM
BindingDB: IC50=220nM
BS02 214 A A518 D522 H525 E526 A22 D26 H29 E30 MOAD: ic50=12nM
PDBbind-CN: -logKd/Ki=7.92,IC50=12nM
BindingDB: IC50=220nM
Gene Ontology
Molecular Function
GO:0004725 protein tyrosine phosphatase activity
Biological Process
GO:0006470 protein dephosphorylation
GO:0016311 dephosphorylation

View graph for
Molecular Function

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Biological Process
External links
PDB RCSB:1q6s, PDBe:1q6s, PDBj:1q6s
PDBsum1q6s
PubMed14516196
UniProtP18031|PTN1_HUMAN Tyrosine-protein phosphatase non-receptor type 1 (Gene Name=PTPN1)

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