Structure of PDB 1tb6 Chain I Binding Site BS02

Receptor Information
>1tb6 Chain I (length=412) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PVDICTAKPRDIPMNPMCIYRSPEQKIPEATNRRVWELSKANSRFATTFY
QHLADSKNDNDNIFLSPLSISTAFAMTKLGACNDTLQQLMEVFKFDTISE
KTSDQIHFFFAKLNCRLYRKANKASKLVSANRLFGDKSLTFNETYQDISE
LVYGAKLQPLDFKENAEQSRAAINKWVSNKTEGRITDVIPSEAINELTVL
VLVNTIYFKGLWKSKFSPENTRKELFYKADGESCSASMMYQEGKFRYRRV
AEGTQVLELPFKGDDITMVLILPKPEKSLAKVEKELTPEVLQEWLDELEE
MMLCVHMPRFRIEDGFSLKEQLQDMGLVDLFSPEKSKLPGIVAEGRDDLY
VSDAFHKAFLEVNEEGTAVVIAGRSLNPNRVCFKANRPFLVFIREVPLNT
IIFMGRVANPCV
Ligand information
Ligand IDGU2
InChIInChI=1S/C8H14O7/c1-13-4-3(9)5(7(10)11)15-8(12)6(4)14-2/h3-6,8-9,12H,1-2H3,(H,10,11)/t3?,4-,5+,6+,8+/m0/s1
InChIKeyYEGNNGDFCAGXPA-OHZVEFKRSA-N
SMILES
SoftwareSMILES
CACTVS 3.341CO[CH]1[CH](O)O[CH]([CH](O)[CH]1OC)C(O)=O
ACDLabs 10.04O=C(O)C1OC(O)C(OC)C(OC)C1O
OpenEye OEToolkits 1.5.0COC1C(C(OC(C1OC)O)C(=O)O)O
CACTVS 3.341CO[C@H]1[C@H](O)O[C@H]([C@@H](O)[C@@H]1OC)C(O)=O
OpenEye OEToolkits 1.5.0CO[C@H]1[C@@H]([C@@H](O[C@H]([C@@H]1OC)O)C(=O)O)O
FormulaC8 H14 O7
Name2,3-di-O-methyl-alpha-L-idopyranuronic acid;
2,3-di-O-methyl-alpha-L-iduronic acid;
2,3-di-O-methyl-L-iduronic acid;
2,3-di-O-methyl-iduronic acid
ChEMBL
DrugBank
ZINC
PDB chain1tb6 Chain B Residue 2 [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)
R46 R47 K114
Binding residue
(residue number reindexed from 1)
R33 R34 K101
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0002020 protease binding
GO:0004867 serine-type endopeptidase inhibitor activity
GO:0005515 protein binding
GO:0008201 heparin binding
GO:0042802 identical protein binding
Biological Process
GO:0007596 blood coagulation
GO:0010466 negative regulation of peptidase activity
GO:0030193 regulation of blood coagulation
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005788 endoplasmic reticulum lumen
GO:0005886 plasma membrane
GO:0062023 collagen-containing extracellular matrix
GO:0070062 extracellular exosome
GO:0072562 blood microparticle

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:1tb6, PDBe:1tb6, PDBj:1tb6
PDBsum1tb6
PubMed15311269
UniProtP01008|ANT3_HUMAN Antithrombin-III (Gene Name=SERPINC1)

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