SPACI score report for 2esp in ASTRAL 2.05:

PDB Entry: 2esp
SPACI score: 0.65
AEROSPACI score: 0.65

Experiment type: XRAY
Resolution: 1.52
R-factor: 0.187
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.934
WCK2 WHAT_CHECK Ramachandran: -0.779
WCK3 WHAT_CHECK Chi angles: 1.35
WCK4 WHAT_CHECK Backbone: 3.594

Note: Here are links to pages about PROCHECK and WHAT_CHECK.

Here is the full WHAT_CHECK report on this protein (linked from the WHAT_CHECK site).