Structure of PDB 1nu7 Chain B Binding Site BS01

Receptor Information
>1nu7 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
>1nu7 Chain A (length=28) Species: 9606 (Homo sapiens) [Search peptide sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
GEADCGLRPLFEKKSLEDKTERELLESY
Receptor-Ligand Complex Structure
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PDB1nu7 Staphylocoagulase is a prototype for the mechanism of cofactor-induced zymogen activation
Resolution2.2 Å
Binding residue
(original residue number in PDB)		E23 G25 M26 P28 W29 D116 H119 P120 V121 C122 Y134 K135 R137 N159 K202 R206 W207
Binding residue
(residue number reindexed from 1)		E8 G10 M11 P13 W14 D113 H116 P117 V118 C119 Y134 K135 R137 N164 K212 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:1nu7, PDBe:1nu7, PDBj:1nu7
PDBsum1nu7
PubMed14523451
UniProtP00734|THRB_HUMAN Prothrombin (Gene Name=F2)

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