SPACI score report for 3mca in ASTRAL 2.06:

PDB Entry: 3mca
SPACI score: 0.2
AEROSPACI score: 0.2

Experiment type: XRAY
Resolution: 2.74
R-factor: 0.249
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.791
WCK2 WHAT_CHECK Ramachandran: -3.722
WCK3 WHAT_CHECK Chi angles: -4.734
WCK4 WHAT_CHECK Backbone: -1.687

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).