SPACI score report for 1q81 in ASTRAL 2.03:

PDB Entry: 1q81
SPACI score: 0.23
AEROSPACI score: 0.23

Experiment type: XRAY
Resolution: 2.95
R-factor: 0.21
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -4.012
WCK2 WHAT_CHECK Ramachandran: -4.253
WCK3 WHAT_CHECK Chi angles: -2.533
WCK4 WHAT_CHECK Backbone: -0.602

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).