Structure of PDB 1tb6 Chain H Binding Site BS03

Receptor Information
>1tb6 Chain H (length=259) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPW
DKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDI
ALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTA
NVGKGQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDA
CEGDAGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWI
QKVIDQFGE
Ligand information
Ligand IDGU4
InChIInChI=1S/C6H12O18S4/c7-6-5(24-28(17,18)19)4(23-27(14,15)16)3(22-26(11,12)13)2(21-6)1-20-25(8,9)10/h2-7H,1H2,(H,8,9,10)(H,11,12,13)(H,14,15,16)(H,17,18,19)/t2-,3-,4+,5-,6+/m1/s1
InChIKeySPIXVQOXHJQNTH-DVKNGEFBSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7C(C1C(C(C(C(O1)O)OS(=O)(=O)O)OS(=O)(=O)O)OS(=O)(=O)O)OS(=O)(=O)O
ACDLabs 12.01OC1OC(COS(=O)(=O)O)C(OS(=O)(=O)O)C(OS(=O)(O)=O)C1OS(=O)(=O)O
OpenEye OEToolkits 2.0.7C([C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)O)OS(=O)(=O)O)OS(=O)(=O)O)OS(=O)(=O)O)OS(=O)(=O)O
CACTVS 3.385O[CH]1O[CH](CO[S](O)(=O)=O)[CH](O[S](O)(=O)=O)[CH](O[S](O)(=O)=O)[CH]1O[S](O)(=O)=O
CACTVS 3.385O[C@H]1O[C@H](CO[S](O)(=O)=O)[C@@H](O[S](O)(=O)=O)[C@H](O[S](O)(=O)=O)[C@H]1O[S](O)(=O)=O
FormulaC6 H12 O18 S4
Name2,3,4,6-tetra-O-sulfonato-alpha-D-glucopyranose;
2,3,4,6-tetra-O-sulfonato-alpha-D-glucose;
2,3,4,6-tetra-O-sulfonato-D-glucose;
2,3,4,6-tetra-O-sulfonato-glucose
ChEMBL
DrugBank
ZINCZINC000058632064
PDB chain1tb6 Chain B Residue 16 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1tb6 Structure of the antithrombin-thrombin-heparin ternary complex reveals the antithrombotic mechanism of heparin.
Resolution2.5 Å
Binding residue
(original residue number in PDB)
R233 K236
Binding residue
(residue number reindexed from 1)
R245 K248
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

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:1tb6, PDBe:1tb6, PDBj:1tb6
PDBsum1tb6
PubMed15311269
UniProtP00734|THRB_HUMAN Prothrombin (Gene Name=F2)

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