Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - AB 

Biological assembly 1 generated by PISA (software)

Biological Assembly 2  

 3D View: Structure | Electron Density | Ligand Interaction

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Protein Workshop | Ligand Explorer

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

 3D View: Structure | Electron Density | Ligand Interaction

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Protein Workshop | Ligand Explorer

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A 

Biological assembly 3 assigned by authors.

Macromolecule Content

• Total Structure Weight: 33760.86 
• Atom Count: 2382 
• Residue Count: 296 
• Unique protein chains: 2

2JKH

Factor Xa - cation inhibitor complex

• DOI: 10.2210/pdb2JKH/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): 1 


• Deposited: 2008-08-28 Released: 2009-01-13 
• Deposition Author(s): Salonen, L.M., Bucher, C., Banner, D.W., Benz, J., Haap, W., Mary, J.L., Schweizer, W.B., Seiler, P., Kuster, O., Diederich, F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.25 Å
• R-Value Free: 0.221 
• R-Value Work: 0.195 

Literature

Cation-Pi Interactions at the Active Site of Factor Xa: Dramatic Enhancement Upon Stepwise N-Alkylation of Ammonium Ions.

Salonen, L.M., Bucher, C., Banner, D.W., Haap, W., Mary, J.L., Benz, J., Kuster, O., Seiler, P., Schweizer, W.B., Diederich, F.

(2009) Angew.Chem.Int.Ed.Engl. 48: 811

• PubMed: 19101972 
• DOI: 10.1002/anie.200804695

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
ACTIVATED FACTOR XA HEAVY CHAIN	A	241	Homo sapiens	Mutation(s): 1  Gene Names: F10 EC: 3.4.21.6
Find proteins for P00742 (Homo sapiens) Go to Gene View: F10 Go to UniProtKB:  P00742

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details
FACTOR X LIGHT CHAIN	L	55	Homo sapiens	Mutation(s): 0  Gene Names: F10 EC: 3.4.21.6
Find proteins for P00742 (Homo sapiens) Go to Gene View: F10 Go to UniProtKB:  P00742

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
NA	A	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N
CA	A	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
BI7	A	3-[(3AS,4R,8AS,8BR)-4-[5-(5-CHLORO-2-THIENYL)ISOXAZOL-3-YL]-1,3-DIOXOOCTAHYDROPYRROLO[3,4-A]PYRROLIZIN-2(3H)-YL]-N,N,N-TRIMETHYLPROPAN-1-AMINIUM C22 H28 Cl N4 O3 S ZUHLDLZFKAIEJO-DSYPUSFNSA-N

External Ligand Annotations
ID	Binding Affinity (Sequence Identity %)
BI7	Ki: 9 nM BINDINGMOAD
BI7	Ki: 9 nM PDBBIND

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.25 Å
• R-Value Free: 0.221 
• R-Value Work: 0.195 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length (Å)	Angle (°)
a = 48.910	α = 90.00
b = 74.120	β = 90.00
c = 77.180	γ = 90.00

Software Package:

Software Name	Purpose
SADABS	data scaling
REFMAC	refinement
XDS	data reduction
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2008-08-28 
• Released Date: 2009-01-13 
• Deposition Author(s): Salonen, L.M., Bucher, C., Banner, D.W., Benz, J., Haap, W., Mary, J.L., Schweizer, W.B., Seiler, P., Kuster, O., Diederich, F.

Revision History 

• Version 1.0: 2009-01-13
  Type: Initial release
• Version 1.1: 2011-05-07
  Type: Version format compliance
• Version 1.2: 2011-07-13
  Type: Version format compliance