SPACI score report for 4it1 in ASTRAL 2.06:

PDB Entry: 4it1
SPACI score: 0.38
AEROSPACI score: 0.38

Experiment type: XRAY
Resolution: 2.2
R-factor: 0.196
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.665
WCK2 WHAT_CHECK Ramachandran: -1.391
WCK3 WHAT_CHECK Chi angles: -1.742
WCK4 WHAT_CHECK Backbone: 2.818

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).