2JKH

Factor Xa - cation inhibitor complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.25 Å
  • R-Value Free: 0.221 
  • R-Value Work: 0.195 
  • R-Value Observed: 0.196 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 


This is version 2.1 of the entry. See complete history


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


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
ACTIVATED FACTOR XA HEAVY CHAIN241Homo sapiensMutation(s): 1 
EC: 3.4.21.6
UniProt & NIH Common Fund Data Resources
Find proteins for P00742 (Homo sapiens)
Explore P00742 
Go to UniProtKB:  P00742
PHAROS:  P00742
GTEx:  ENSG00000126218 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP00742
Sequence Annotations
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
FACTOR X LIGHT CHAINB [auth L]55Homo sapiensMutation(s): 0 
EC: 3.4.21.6
UniProt & NIH Common Fund Data Resources
Find proteins for P00742 (Homo sapiens)
Explore P00742 
Go to UniProtKB:  P00742
PHAROS:  P00742
GTEx:  ENSG00000126218 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP00742
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
BI7
Query on BI7

Download Ideal Coordinates CCD File 
C [auth A]3-[(3~{a}~{S},4~{R},8~{a}~{S},8~{b}~{R})-4-[5-(5-chloranylthiophen-2-yl)-1,2-oxazol-3-yl]-1,3-bis(oxidanylidene)-4,6,7,8,8~{a},8~{b}-hexahydro-3~{a}~{H}-pyrrolo[3,4-a]pyrrolizin-2-yl]propyl-trimethyl-azanium
C22 H28 Cl N4 O3 S
IMQAZTOPHVBANA-DSYPUSFNSA-N
CA
Query on CA

Download Ideal Coordinates CCD File 
D [auth A]CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
NA
Query on NA

Download Ideal Coordinates CCD File 
E [auth A]SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Binding Affinity Annotations 
IDSourceBinding Affinity
BI7 PDBBind:  2JKH Ki: 9 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.25 Å
  • R-Value Free: 0.221 
  • R-Value Work: 0.195 
  • R-Value Observed: 0.196 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 48.91α = 90
b = 74.12β = 90
c = 77.18γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
XDSdata reduction
SADABSdata scaling
MOLREPphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2009-01-13
    Type: Initial release
  • Version 1.1: 2011-05-07
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 2.0: 2019-10-30
    Changes: Data collection, Derived calculations, Non-polymer description, Other, Structure summary
  • Version 2.1: 2023-12-13
    Changes: Data collection, Database references, Derived calculations, Refinement description