SPACI score report for 1mc4 in ASTRAL 2.06:

PDB Entry: 1mc4
SPACI score: 0.26
AEROSPACI score: 0.26

Experiment type: XRAY
Resolution: 2.77
R-factor: 0.215
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.455
WCK2 WHAT_CHECK Ramachandran: -4.411
WCK3 WHAT_CHECK Chi angles: -3.291
WCK4 WHAT_CHECK Backbone: 2.203

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).