SPACI score report for 1m57 in ASTRAL 1.65:

PDB Entry: 1m57
SPACI score: 0.13
AEROSPACI score: 0.13

Experiment type: XRAY
Resolution: 3
R-factor: 0.293
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.354
WCK2 WHAT_CHECK Ramachandran: -4.707
WCK3 WHAT_CHECK Chi angles: -2.962
WCK4 WHAT_CHECK Backbone: -0.201

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).