SPACI score report for 1n33 in ASTRAL 1.73:

PDB Entry: 1n33
SPACI score: 0.11
AEROSPACI score: 0.11

Experiment type: XRAY
Resolution: 3.35
R-factor: 0.225
PCK1 PROCHECK Ramachandran: 3
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: 0.237
WCK2 WHAT_CHECK Ramachandran: -7.091
WCK3 WHAT_CHECK Chi angles: -3.386
WCK4 WHAT_CHECK Backbone: -9.512

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).