SPACI score report for 1mwa in ASTRAL 2.03:

PDB Entry: 1mwa
SPACI score: 0.2
AEROSPACI score: 0.2

Experiment type: XRAY
Resolution: 2.4
R-factor: 0.285
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.214
WCK2 WHAT_CHECK Ramachandran: -4.74
WCK3 WHAT_CHECK Chi angles: -4.079
WCK4 WHAT_CHECK Backbone: 1.025

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).