SPACI score report for 3t30 in ASTRAL 2.07:

PDB Entry: 3t30
SPACI score: 0.45
AEROSPACI score: 0.45

Experiment type: XRAY
Resolution: 1.9
R-factor: 0.193
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.933
WCK2 WHAT_CHECK Ramachandran: -1.772
WCK3 WHAT_CHECK Chi angles: -3.112
WCK4 WHAT_CHECK Backbone: 1.149

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).