SPACI score report for 1mrc in ASTRAL 1.55:

WARNING! The SPACI score for this entry is not valid. This is not an X-ray structure, so the resolution and R-factor listed may be arbitrary and not valid.

PDB Entry: 1mrc
SPACI score: 0.34 (not valid)
AEROSPACI score: 0.34 (not valid)

Experiment type: -
Resolution: 2.4
R-factor: 0.191
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.341
WCK2 WHAT_CHECK Ramachandran: -1.672
WCK3 WHAT_CHECK Chi angles: -2.018
WCK4 WHAT_CHECK Backbone: 0.752

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).