Structure of PDB 1g1f Chain A

Receptor sequence
>1g1fA (length=297) Species: 9606 (Homo sapiens) [Search protein sequence]
EMEKEFEQIDKSGSWAAIYQDIRHEASDFPCRVAKLPKNKNRNRYRDVSP
FDHSRIKLHQEDNDYINASLIKMEEAQRSYILTQGPLPNTCGHFWEMVWE
QKSRGVVMLNRVMEKGSLKCAQYWPQKEEKEMIFEDTNLKLTLISEDIKS
YYTVRQLELENLTTQETREILHFHYTTWPDFGVPESPASFLNFLFKVRES
GSLSPEHGPVVVHASAGIGRSGTFCLADTCLLLMDKRKDPSSVDIKKVLL
EMRKFRMGLIQTADQLRFSYLAVIEGAKFIMGDSSVQDQWKELSHED
3D structure
PDB1g1f Molecular basis for the dephosphorylation of the activation segment of the insulin receptor by protein tyrosine phosphatase 1B.
ChainA
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) D181 A215 R221 S222 Q262
Catalytic site (residue number reindexed from 1) D180 A214 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 peptide A R24 Y46 R47 D48 F182 A215 S216 A217 I219 G220 R221 R254 Q262 R23 Y45 R46 D47 F181 A214 S215 A216 I218 G219 R220 R253 Q261
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:1g1f, PDBe:1g1f, PDBj:1g1f
PDBsum1g1f
PubMed11163213
UniProtP18031|PTN1_HUMAN Tyrosine-protein phosphatase non-receptor type 1 (Gene Name=PTPN1)

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