SPACI score report for 4der in ASTRAL 2.03:

PDB Entry: 4der
SPACI score: 0.46
AEROSPACI score: 0.46

Experiment type: XRAY
Resolution: 1.9
R-factor: 0.192
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 1.513
WCK2 WHAT_CHECK Ramachandran: -1.369
WCK3 WHAT_CHECK Chi angles: -1.427
WCK4 WHAT_CHECK Backbone: 3.364

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).