Global analysis statistics (coordinates; only H, protein)

Results of an analysis of the coordinates of 1834 PDB entries
Top level overview for all entries
Total number of PDB entries:	1834
Total number of chains:	1909
Mimimum/median/maximum of analysed chains per entry (view histo):	1/1/3
Number of single residue chains:	0
Mimimum/median/maximum number of residues for analysed chains (discounting single residue chains) (view histo):	4/75/370

Breakdown of chains per molecular type:
None:	197 ( 10.32%)
protein:	1712 ( 89.68%)

Entries with protein chains but without secondary structure:	144

Breakdown of secondary structure (protein only, with secondary structure):
None:	49.60%
Right-handed 310:	2.16%
Right-handed alpha:	30.76%
sheet:	17.49%