SPACI score report for 1drz in ASTRAL 1.63:

PDB Entry: 1drz
SPACI score: 0.3
AEROSPACI score: 0.3

Experiment type: XRAY
Resolution: 2.3
R-factor: 0.281
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.953
WCK2 WHAT_CHECK Ramachandran: -0.326
WCK3 WHAT_CHECK Chi angles: -0.113
WCK4 WHAT_CHECK Backbone: 0.532

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).