Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 36.46 kDa 
• Atom Count: 2771 
• Residue Count: 290 
• Unique protein chains: 3

3U98

Human Thrombin In Complex With MI001

• DOI: 10.2210/pdb3U98/pdb

• Classification: HYDROLASE/HYDROLASE INHIBITOR
• Organism(s): Homo sapiens, Hirudo medicinalis
• Mutation(s): No 


• Deposited: 2011-10-18 Released: 2012-10-24 
• Deposition Author(s): Biela, A., Heine, A., Klebe, G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.187 
• R-Value Work: 0.164 
• R-Value Observed: 0.165 

Literature

Thrombin Inhibition

Biela, A., Sielaff, F., Heine, A., Steinmetzer, T., Klebe, G.

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Thrombin Light Chain	L	36	Homo sapiens	Mutation(s): 0  Gene Names: F2 EC: 3.4.21.5
Find proteins for P00734 (Homo sapiens) Explore P00734  Go to UniProtKB:  P00734
NIH Common Fund Data Resources
PHAROS:  P00734 GTEx:  ENSG00000180210

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Thrombin Heavy Chain	H	259	Homo sapiens	Mutation(s): 0  Gene Names: F2 EC: 3.4.21.5
Find proteins for P00734 (Homo sapiens) Explore P00734  Go to UniProtKB:  P00734
NIH Common Fund Data Resources
PHAROS:  P00734 GTEx:  ENSG00000180210

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Hirudin variant-2	I	13	Hirudo medicinalis	Mutation(s): 0
Find proteins for P09945 (Hirudo medicinalis) Explore P09945  Go to UniProtKB:  P09945

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BJA	H	(2S)-1-[(2R)-2-(benzylsulfonylamino)-5-guanidino-pentanoyl]-N-[(4-carbamimidoylphenyl)methyl]pyrrolidine-2-carboxamide C26 H36 N8 O4 S QKFCYPKTTJCUSZ-YADHBBJMSA-N
NAG	H	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
PO4	H	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
NA	H	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
TYS	I	L-PEPTIDE LINKING	C9 H11 N O6 S		TYR

External Ligand Annotations
ID	Binding Affinity (Sequence Identity %)
BJA	Ki:  1.940000057220459   nM  BindingDB
BJA	Ki:  3.5   nM  BindingDB

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 5
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_000877 (BJA)	H	(2S)-1-[(2R)-2-(BENZYLSULFONYLAMINO)-5-GUANIDINO-PENTANOYL]-N-[(4-CARBAMIMIDOYLPHENYL)METHYL]PYRROLIDINE-2-CARBOXAMIDE	Peptide-like /  Thrombin inhibitor		--

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.187 
• R-Value Work: 0.164 
• R-Value Observed: 0.165 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.3	α = 90
b = 71.5	β = 100.4
c = 72.2	γ = 90

Software Package:

Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2011-10-18 
• Released Date: 2012-10-24 
Deposition Author(s): Biela, A., Heine, A., Klebe, G.

Revision History 

• Version 1.0: 2012-10-24
  Type: Initial release
  
• Version 1.1: 2012-12-12
  Changes: Other
• Version 1.2: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary