SPACI score report for 2e1b in ASTRAL 2.07:

PDB Entry: 2e1b
SPACI score: 0.23
AEROSPACI score: 0.23

Experiment type: XRAY
Resolution: 2.7
R-factor: 0.227
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -1.784
WCK2 WHAT_CHECK Ramachandran: -5.456
WCK3 WHAT_CHECK Chi angles: -2.989
WCK4 WHAT_CHECK Backbone: -2.088

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).