Structure of PDB 3kcg Chain I Binding Site BS03

Receptor Information
>3kcg Chain I (length=419) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SPVDICTAKPRDIPMNPMCIYRSPEQKIPEATNRRVWELSKANSRFATTF
YQHLADSKNDNDNIFLSPLSISTAFAMTKLGACNDTLQQLMEVFKFDTIS
EKTSDQIHFFFAKLNCRLYRKANKASKLVSANRLFGDKSLTFNETYQDIS
ELVYGAKLQPLDFKENAEQSRAAINKWVSNKTEGRITDVIPSEAINELTV
LVLVNTIYFKGLWKSKFSPENTRKELFYKADGESCSASMMYQEGKFRYRR
VAEGTQVLELPFKGDDITMVLILPKPEKSLAKVEKELTPEVLQEWLDELE
EMMLVVHMPRFRIEDGFSLKEQLQDMGLVDLFSPEKSKLPGIVAEGRDDL
YVSDAFHKAFLEVNEEGSEAAASTAVVIAGRSLNPNRVTFKANRPFLVFI
REVPLNTIIFMGRVANPCV
Ligand information
Ligand IDGU6
InChIInChI=1S/C6H12O15S3/c7-3-2(1-18-22(9,10)11)19-6(8)5(21-24(15,16)17)4(3)20-23(12,13)14/h2-8H,1H2,(H,9,10,11)(H,12,13,14)(H,15,16,17)/t2-,3-,4+,5-,6+/m1/s1
InChIKeyGRHWGVDHRAZFMQ-DVKNGEFBSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6C([C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)O)OS(=O)(=O)O)OS(=O)(=O)O)O)OS(=O)(=O)O
CACTVS 3.385O[C@H]1O[C@H](CO[S](O)(=O)=O)[C@@H](O)[C@H](O[S](O)(=O)=O)[C@H]1O[S](O)(=O)=O
ACDLabs 12.01C1(C(C(OS(=O)(O)=O)C(O)C(COS(=O)(O)=O)O1)OS(O)(=O)=O)O
CACTVS 3.385O[CH]1O[CH](CO[S](O)(=O)=O)[CH](O)[CH](O[S](O)(=O)=O)[CH]1O[S](O)(=O)=O
OpenEye OEToolkits 1.7.6C(C1C(C(C(C(O1)O)OS(=O)(=O)O)OS(=O)(=O)O)O)OS(=O)(=O)O
FormulaC6 H12 O15 S3
Name2,3,6-tri-O-sulfo-alpha-D-glucopyranose;
2,3,6-TRI-O-SULFONATO-ALPHA-D-GLUCOPYRANOSE;
2,3,6-tri-O-sulfo-alpha-D-glucose;
2,3,6-tri-O-sulfo-D-glucose;
2,3,6-tri-O-sulfo-glucose
ChEMBL
DrugBank
ZINCZINC000136252347
PDB chain3kcg Chain D Residue 3 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3kcg Molecular basis of factor IXa recognition by heparin-activated antithrombin revealed by a 1.7-A structure of the ternary complex.
Resolution1.7 Å
Binding residue
(original residue number in PDB)
K11 P12 R13 K114 F122
Binding residue
(residue number reindexed from 1)
K9 P10 R11 K102 F110
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:3kcg, PDBe:3kcg, PDBj:3kcg
PDBsum3kcg
PubMed20080729
UniProtP01008|ANT3_HUMAN Antithrombin-III (Gene Name=SERPINC1)

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