Ala-Arg distribution
Ala-Arg distributionNumber of Ala sidechains in dataset 40341 ( 8.4% )
Number of Arg sidechains in dataset 24542 ( 5.1% )
Total number of Ala-Arg contacts 3967
* Non-random at 95.0% confidence level.
** Non-random at 97.5% confidence level.
*** Non-random at 99.0% confidence level.
**** Non-random at 99.5% confidence level.
The significance of any clustering in the contacts is assessed with reference to packing-geometries generated at random from 20 trials of 3000 randomly-chosen and randomly placed contacts.
Cluster 1. Size: Mean 61.30 St.dev. 3.84
Cluster 2. Size: Mean 57.90 St.dev. 2.61
Cluster 3. Size: Mean 55.95 St.dev. 1.66
Cluster 4. Size: Mean 54.55 St.dev. 1.69
Cluster 5. Size: Mean 53.70 St.dev. 1.42
Cluster 6. Size: Mean 52.45 St.dev. 1.47
The pairs of plots below show a representative sidechain for each cluster.
In the first plot of each pair the sidechains are shown as ball-and-stick models; in the second plot the van der Waals surfaces are superimposed as wire-cage contours. The reference sidechain is shown in purple while the cluster representative is shown in orange. Click on the first plot to get a magnified view, including the other cluster members.
Each cluster representative is chosen to have a r.m.s.d. of <1.5 Angstroms from all other members of the cluster. The standard deviation shows how significant the clustering is, when compared with a randomly-generated contact distribution for these two sidechains.
The ticks on the back walls in the plots correspond to distances of 1 Angstrom.
Cluster 1. Size 215 ( 40.07 st. devs. from mean )
Cluster 2. Size 180 ( 46.86 st. devs. from mean )
Cluster 3. Size 67 ( 6.67 st. devs. from mean )
Other Ala distributions