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Structure of PDB 2cnh Chain A Binding Site BS01

Receptor Information
>2cnh Chain A (length=296) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MEKEFEQIDKSGSWAAIYQDIRHEASDFPCRVAKLPKNKNRNRYRDVSPF
DHSRIKLHQEDNDYINASLIKMEEAQRSYILTQGPLPNTCGHFWEMVWEQ
KSRGVVMLNRVMEKGSLKCAQYWPQKEEKEMIFEDTNLKLTLISEDIKSY
YTVRQLELENLTTQETREILHFHYTTWPDFGVPESPASFLNFLFKVRESG
SLSPEHGPVVVHCSAGIGRSGTFCLADTCLLLMDKRKDPSSVDIKKVLLE
MRKFRMGLIQTADQLRFSYLAVIEGAKFIMGDSSVQDQWKELSHED
Ligand information
Ligand IDIZB
InChIInChI=1S/C27H27N5O6S2/c1-32-12-13-38-24-15-19(10-11-23(24)32)39(34,35)30-22(27-28-20-4-2-3-5-21(20)29-27)14-17-6-8-18(9-7-17)25-16-26(33)31-40(25,36)37/h2-11,15,22,25,30H,12-14,16H2,1H3,(H,28,29)(H,31,33)/t22-,25-/m0/s1
InChIKeyQNAGNPUNGCBSIJ-DHLKQENFSA-N
SMILES
SoftwareSMILES
CACTVS 3.341CN1CCOc2cc(ccc12)[S](=O)(=O)N[CH](Cc3ccc(cc3)[CH]4CC(=O)N[S]4(=O)=O)c5[nH]c6ccccc6n5
ACDLabs 10.04O=C6NS(=O)(=O)C(c1ccc(cc1)CC(c2nc3ccccc3n2)NS(=O)(=O)c5ccc4N(C)CCOc4c5)C6
OpenEye OEToolkits 1.5.0CN1CCOc2c1ccc(c2)S(=O)(=O)N[C@@H](Cc3ccc(cc3)[C@@H]4CC(=O)NS4(=O)=O)c5[nH]c6ccccc6n5
OpenEye OEToolkits 1.5.0CN1CCOc2c1ccc(c2)S(=O)(=O)NC(Cc3ccc(cc3)C4CC(=O)NS4(=O)=O)c5[nH]c6ccccc6n5
CACTVS 3.341CN1CCOc2cc(ccc12)[S](=O)(=O)N[C@@H](Cc3ccc(cc3)[C@@H]4CC(=O)N[S]4(=O)=O)c5[nH]c6ccccc6n5
FormulaC27 H27 N5 O6 S2
NameN-[(1S)-1-(1H-BENZIMIDAZOL-2-YL)-2-{4-[(5S)-1,1-DIOXIDO-3-OXOISOTHIAZOLIDIN-5-YL]PHENYL}ETHYL]-4-METHYL-3,4-DIHYDRO-2H-1,4-BENZOXAZINE-7-SULFONAMIDE
ChEMBL
DrugBank
ZINCZINC000014952802
PDB chain2cnh Chain A Residue 1300 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2cnh Structural Insights Into the Design of Nonpeptidic Isothiazolidinone-Containing Inhibitors of Protein- Tyrosine Phosphatase 1B.
Resolution1.8 Å
Binding residue
(original residue number in PDB)
Y46 D48 D181 F182 C215 S216 A217 I219 G220 R221 Q262
Binding residue
(residue number reindexed from 1)
Y44 D46 D179 F180 C213 S214 A215 I217 G218 R219 Q260
Annotation score1
Binding affinityMOAD: ic50=59nM
PDBbind-CN: -logKd/Ki=7.23,IC50=59nM
Enzymatic activity
Catalytic site (original residue number in PDB) D181 C215 R221 S222 Q262
Catalytic site (residue number reindexed from 1) D179 C213 R219 S220 Q260
Enzyme Commision number 3.1.3.48: protein-tyrosine-phosphatase.
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:2cnh, PDBe:2cnh, PDBj:2cnh
PDBsum2cnh
PubMed17028182
UniProtP18031|PTN1_HUMAN Tyrosine-protein phosphatase non-receptor type 1 (Gene Name=PTPN1)

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