SPACI score report for 4eqp in ASTRAL 2.05:

PDB Entry: 4eqp
SPACI score: 0.72
AEROSPACI score: 0.72

Experiment type: XRAY
Resolution: 1.35
R-factor: 0.174
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.413
WCK2 WHAT_CHECK Ramachandran: 0.051
WCK3 WHAT_CHECK Chi angles: 1.147
WCK4 WHAT_CHECK Backbone: 2.469

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).