Structure of PDB 3i7z Chain A

Receptor sequence
>3i7zA (length=297) Species: 9606 (Homo sapiens) [Search protein sequence]
EMEKEFEQIDKSGSWAAIYQDIRHEASDFPCRVAKLPKNKNRNRYRDVSP
FDHSRIKLHQEDNDYINASLIKMEEAQRSYILTQGPLPNTCGHFWEMVWE
QKSRGVVMLNRVMEKGSLKCAQYWPQKEEKEMIFEDTNLKLTLISEDIKS
YYTVRQLELENLTTQETREILHFHYTTWPDFGVPESPASFLNFLFKVRES
GSLSPEHGPVVVHCSAGIGRSGTFCLADTCLLLMDKRKDPSSVDIKKVLL
EMRKFRMGLIQTADQLRFSYLAVIEGAKFIMGDSSVQDQWKELSHED
3D structure
PDB3i7z Insights into the reaction of protein-tyrosine phosphatase 1B: crystal structures for transition state analogs of both catalytic steps.
ChainA
Resolution2.3 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 peptide A Y46 R47 D48 D181 F182 A217 I219 Q262 Y45 R46 D47 D180 F181 A216 I218 Q261
BS02 VO4 A C215 S216 A217 I219 G220 R221 C214 S215 A216 I218 G219 R220 BindingDB: IC50=2000nM
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:3i7z, PDBe:3i7z, PDBj:3i7z
PDBsum3i7z
PubMed20236928
UniProtP18031|PTN1_HUMAN Tyrosine-protein phosphatase non-receptor type 1 (Gene Name=PTPN1)

[Back to BioLiP]