Structure of PDB 2a45 Chain B Binding Site BS01

Receptor Information
>2a45 Chain B (length=258) 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
CEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWI
QKVIDQFG
Ligand information
Ligand ID0G6
InChIInChI=1S/C21H33ClN6O3/c22-13-18(29)16(8-4-10-26-21(24)25)27-19(30)17-9-5-11-28(17)20(31)15(23)12-14-6-2-1-3-7-14/h1-3,6-7,15-18,29H,4-5,8-13,23H2,(H,27,30)(H4,24,25,26)/p+1/t15-,16+,17+,18-/m1/s1
InChIKeyDVFLYEYCMMLBTQ-VSZNYVQBSA-O
SMILES
SoftwareSMILES
ACDLabs 12.01O=C(NC(CCCNC(=[NH2+])\N)C(O)CCl)C2N(C(=O)C(N)Cc1ccccc1)CCC2
CACTVS 3.370N[CH](Cc1ccccc1)C(=O)N2CCC[CH]2C(=O)N[CH](CCCNC(N)=[NH2+])[CH](O)CCl
CACTVS 3.370N[C@H](Cc1ccccc1)C(=O)N2CCC[C@H]2C(=O)N[C@@H](CCCNC(N)=[NH2+])[C@H](O)CCl
OpenEye OEToolkits 1.7.6c1ccc(cc1)CC(C(=O)N2CCCC2C(=O)NC(CCCNC(=[NH2+])N)C(CCl)O)N
OpenEye OEToolkits 1.7.6c1ccc(cc1)C[C@H](C(=O)N2CCC[C@H]2C(=O)N[C@@H](CCCNC(=[NH2+])N)[C@@H](CCl)O)N
FormulaC21 H34 Cl N6 O3
NameD-phenylalanyl-N-[(2S,3S)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide;
PPACK
ChEMBL
DrugBankDB06841
ZINC
PDB chain2a45 Chain B Residue 1 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB2a45 Structural basis for sequential cleavage of fibrinopeptides upon fibrin assembly.
Resolution3.65 Å
Binding residue
(original residue number in PDB)
C42 H57 W60D N98 L99 A190 C191 E192 G193 S195 S214 W215 G216
Binding residue
(residue number reindexed from 1)
C28 H43 W50 N95 L96 A200 C201 E202 G203 S205 S226 W227 G228
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H57 D102 E192 G193 D194 S195 G196
Catalytic site (residue number reindexed from 1) H43 D99 E202 G203 D204 S205 G206
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

View graph for
Biological Process
External links
PDB RCSB:2a45, PDBe:2a45, PDBj:2a45
PDBsum2a45
PubMed16533041
UniProtP00734|THRB_HUMAN Prothrombin (Gene Name=F2)

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