Structure of PDB 1etr Chain H Binding Site BS01

Receptor Information
>1etr Chain H (length=259) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IVEGQDAEVGLSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPW
DKNFTVDDLLVRIGKHSRTRYERKVEKISMLDKIYIHPRYNWKENLDRDI
ALLKLKRPIELSDYIHPVCLPDKQTAAKLLHAGFKGRVTGWGNRRETWTT
SVAEVQPSVLQVVNLPLVERPVCKASTRIRITDNMFCAGYKPGEGKRGDA
CEGDSGGPFVMKSPYNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWI
QKVIDRLGS
Ligand information
Ligand IDMIT
InChIInChI=1S/C23H36N6O5S/c1-14-8-10-29(18(12-14)22(31)32)21(30)17(6-4-9-26-23(24)25)28-35(33,34)19-7-3-5-16-11-15(2)13-27-20(16)19/h3,5,7,14-15,17-18,27-28H,4,6,8-13H2,1-2H3,(H,31,32)(H4,24,25,26)/p+1/t14-,15-,17+,18-/m1/s1
InChIKeyKXNPVXPOPUZYGB-XYVMCAHJSA-O
SMILES
SoftwareSMILES
CACTVS 3.370C[C@@H]1CCN([C@H](C1)C(O)=O)C(=O)[C@H](CCCNC(N)=[NH2+])N[S](=O)(=O)c2cccc3C[C@@H](C)CNc23
OpenEye OEToolkits 1.7.6CC1CCN(C(C1)C(=O)O)C(=O)C(CCCNC(=[NH2+])N)NS(=O)(=O)c2cccc3c2NCC(C3)C
ACDLabs 12.01O=C(N1C(C(=O)O)CC(C)CC1)C(NS(=O)(=O)c3cccc2c3NCC(C)C2)CCCNC(=[NH2+])\N
OpenEye OEToolkits 1.7.6C[C@@H]1CCN([C@H](C1)C(=O)O)C(=O)[C@H](CCCNC(=[NH2+])N)NS(=O)(=O)c2cccc3c2NC[C@@H](C3)C
CACTVS 3.370C[CH]1CCN([CH](C1)C(O)=O)C(=O)[CH](CCCNC(N)=[NH2+])N[S](=O)(=O)c2cccc3C[CH](C)CNc23
FormulaC23 H37 N6 O5 S
Nameamino{[(4S)-5-[(2R,4R)-2-carboxy-4-methylpiperidin-1-yl]-4-({[(3R)-3-methyl-1,2,3,4-tetrahydroquinolin-8-yl]sulfonyl}amino)-5-oxopentyl]amino}methaniminium;
R-argatroban;
MQPA;
MD-805;
MITSUBISHI INHIBITOR
ChEMBL
DrugBank
ZINC
PDB chain1etr Chain H Residue 1 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1etr Refined 2.3 A X-ray crystal structure of bovine thrombin complexes formed with the benzamidine and arginine-based thrombin inhibitors NAPAP, 4-TAPAP and MQPA. A starting point for improving antithrombotics.
Resolution2.2 Å
Binding residue
(original residue number in PDB)
Y60A W60D D189 A190 C191 S195 W215 G216 G219
Binding residue
(residue number reindexed from 1)
Y47 W50 D199 A200 C201 S205 W227 G228 G230
Annotation score1
Enzymatic activity
Enzyme Commision number 3.4.21.5: thrombin.
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
GO:0005509 calcium ion binding
Biological Process
GO:0006508 proteolysis
GO:0007596 blood coagulation

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Molecular Function

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Biological Process
External links
PDB RCSB:1etr, PDBe:1etr, PDBj:1etr
PDBsum1etr
PubMed1518046
UniProtP00735|THRB_BOVIN Prothrombin (Gene Name=F2)

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