SPACI score report for 1y77 in ASTRAL 2.05:

PDB Entry: 1y77
SPACI score: -0.01
AEROSPACI score: -0.01

Experiment type: XRAY
Resolution: 4.5
R-factor: 0.297
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.961
WCK2 WHAT_CHECK Ramachandran: -6.318
WCK3 WHAT_CHECK Chi angles: -3.827
WCK4 WHAT_CHECK Backbone: 0.647

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).