SPACI score report for 2rbv in ASTRAL 2.05:

PDB Entry: 2rbv
SPACI score: 0.73
AEROSPACI score: 0.73

Experiment type: XRAY
Resolution: 1.39
R-factor: 0.139
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.694
WCK2 WHAT_CHECK Ramachandran: 0.259
WCK3 WHAT_CHECK Chi angles: 2.38
WCK4 WHAT_CHECK Backbone: 0.63

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).