SPACI score report for 3rmx in ASTRAL 2.05:

PDB Entry: 3rmx
SPACI score: 0.22
AEROSPACI score: 0.22

Experiment type: XRAY
Resolution: 2.75
R-factor: 0.239
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -1.619
WCK2 WHAT_CHECK Ramachandran: -3.985
WCK3 WHAT_CHECK Chi angles: -3.197
WCK4 WHAT_CHECK Backbone: 0.581

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).