SPACI score report for 1av1 in ASTRAL 2.07:

PDB Entry: 1av1
SPACI score: -0.06
AEROSPACI score: -0.06

Experiment type: XRAY
Resolution: 4
R-factor: 0.382
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.16
WCK2 WHAT_CHECK Ramachandran: -7.449
WCK3 WHAT_CHECK Chi angles: -5.683
WCK4 WHAT_CHECK Backbone: -2.166

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).