SPACI score report for 2p9i in ASTRAL 2.01:

PDB Entry: 2p9i
SPACI score: 0.32
AEROSPACI score: 0.32

Experiment type: XRAY
Resolution: 2.46
R-factor: 0.217
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.979
WCK2 WHAT_CHECK Ramachandran: -2.198
WCK3 WHAT_CHECK Chi angles: -1.6
WCK4 WHAT_CHECK Backbone: -0.028

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).