Structure of PDB 1dwb Chain H

Receptor sequence

>1dwbH (length=257) Species: 9606 (Homo sapiens)

IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPW
DKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDI
ALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTA
NVGKGQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDA
CEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWI
QKVIDQF

3D structure

• PDB: 1dwb Crystallographic analysis at 3.0-A resolution of the binding to human thrombin of four active site-directed inhibitors.
• Chain: H
• Resolution: 3.16 Å

Enzymatic activity

• Enzyme Commision number: 3.4.21.5: thrombin.

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	peptide	H	E23 I24 G25 M26 P28 W29 D116 H119 P120 C122 L129C Y134 K135 G136 R137 N159 K202 P204 N205 R206 W207	E8 I9 G10 M11 P13 W14 D113 H116 P117 C119 L129 Y134 K135 G136 R137 N164 K212 P214 N217 R218 W219
BS02	peptide	H	F34 K36 R67 R73 T74 R75 Y76 I82 F245	F19 K21 R62 R68 T69 R70 Y71 I78 F257
BS03	BEN	H	D189 A190 S195 W215 G216 G219	D199 A200 S205 W227 G228 G230

Gene Ontology

Molecular Function

• GO:0004252 serine-type endopeptidase activity
• GO:0005509 calcium ion binding

Biological Process

• GO:0006508 proteolysis
• GO:0007596 blood coagulation

External links

• PDB: RCSB:1dwb, PDBe:1dwb, PDBj:1dwb
• PDBsum: 1dwb
• PubMed: 1939071
• UniProt: P00734|THRB_HUMAN Prothrombin (Gene Name=F2)