Structure of PDB 3b23 Chain B Binding Site BS01

Receptor Information
>3b23 Chain B (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
CEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWI
QKVIDQFGE
Ligand information
>3b23 Chain A (length=29) Species: 9606 (Homo sapiens) [Search peptide sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
ADCGLRPLFEKKSLEDKTERELLESYIDG
Receptor-Ligand Complex Structure
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PDB3b23 Crystal structure of thrombin in complex with s-variegin: insights of a novel mechanism of inhibition and design of tunable thrombin inhibitors
Resolution2.4 Å
Binding residue
(original residue number in PDB)		E23 I24 G25 M26 W29 D116 H119 P120 C122 G133 Y134 K135 R137 N159 M201 K202 N205 R206 W207
Binding residue
(residue number reindexed from 1)		E8 I9 G10 M11 W14 D113 H116 P117 C119 G133 Y134 K135 R137 N164 M211 K212 N217 R218 W219
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
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Biological Process
External links
PDB RCSB:3b23, PDBe:3b23, PDBj:3b23
PDBsum3b23
PubMed22053189
UniProtP00734|THRB_HUMAN Prothrombin (Gene Name=F2)

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