Structure of PDB 1lqf Chain C

Receptor sequence
>1lqfC (length=287) Species: 9606 (Homo sapiens) [Search protein sequence]
KLEFMEMEKEFEQIDKSGSWAAIYQDIRHEASDFPCRVAKLPKNKNRNRY
RDVSPFDHSRIKLHQEDNDYINASLIKMEEAQRSYILTQGPLPNTCGHFW
EMVWEQKSRGVVMLNRVMEKGSLKCAQYWPQKEEKEMIFEDTNLKLTLIS
EDIKSYYTVRQLELENLTTQETREILHFHYTTWPDFGVPESPASFLNFLF
KVRESGSLSPEHGPVVVHCSAGIGRSGTFCLADTCLLLMDKRKDPSSVDI
KKVLLEMRKFRMGLIQTADQLRFSYLAVIEGAKFIMG
3D structure
PDB1lqf The structure of PTP-1B in complex with a peptide inhibitor reveals an alternative binding mode for bisphosphonates.
ChainC
Resolution2.5 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 BGD C Y546 R547 D548 V549 S618 F682 C715 S716 A717 I719 G720 R721 Y50 R51 D52 V53 S122 F186 C219 S220 A221 I223 G224 R225
Gene Ontology
Molecular Function
GO:0004725 protein tyrosine phosphatase activity
Biological Process
GO:0006470 protein dephosphorylation
GO:0016311 dephosphorylation

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Molecular Function

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Biological Process
External links
PDB RCSB:1lqf, PDBe:1lqf, PDBj:1lqf
PDBsum1lqf
PubMed12119018
UniProtP18031|PTN1_HUMAN Tyrosine-protein phosphatase non-receptor type 1 (Gene Name=PTPN1)

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