Structure of PDB 1nl9 Chain A

Receptor sequence
>1nl9A (length=282) Species: 9606 (Homo sapiens) [Search protein sequence]
EMEKEFEQIDKSGSWAAIYQDIRHEASDFPCRVAKLPKNKNRNRYRDVSP
FDHSRIKLHQEDNDYINASLIKMEEAQRSYILTQGPLPNTCGHFWEMVWE
QKSRGVVMLNRVMEKGSLKCAQYWPQKEEKEMIFEDTNLKLTLISEDIKS
YYTVRQLELENLTTQETREILHFHYTTWPDFGVPESPASFLNFLFKVRES
GSLSPEHGPVVVHCSAGIGRSGTFCLADTCLLLMDKRKDPSSVDIKKVLL
EMRKFRMGLIQTADQLRFSYLAVIEGAKFIMG
3D structure
PDB1nl9 Discovery of a Potent, Selective Protein Tyrosine Phosphatase 1B Inhibitor Using a Linked-Fragment Strategy
ChainA
Resolution2.4 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) D181 C215 R221 S222 Q262
Catalytic site (residue number reindexed from 1) D180 C214 R220 S221 Q261
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 989 A Y46 D48 C215 S216 A217 I219 G220 R221 Q262 T263 G283 Y45 D47 C214 S215 A216 I218 G219 R220 Q261 T262 G282 PDBbind-CN: -logKd/Ki=5.96,Ki=1.1uM
BindingDB: Ki=631nM
Gene Ontology
Molecular Function
GO:0004725 protein tyrosine phosphatase activity
Biological Process
GO:0006470 protein dephosphorylation
GO:0016311 dephosphorylation

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:1nl9, PDBe:1nl9, PDBj:1nl9
PDBsum1nl9
PubMed12670229
UniProtP18031|PTN1_HUMAN Tyrosine-protein phosphatase non-receptor type 1 (Gene Name=PTPN1)

[Back to BioLiP]