SPACI score report for 1nbv in ASTRAL 2.05:

PDB Entry: 1nbv
SPACI score: 0.3
AEROSPACI score: 0.3

Experiment type: XRAY
Resolution: 2
R-factor: 0.246
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.373
WCK2 WHAT_CHECK Ramachandran: -4.31
WCK3 WHAT_CHECK Chi angles: -6.038
WCK4 WHAT_CHECK Backbone: -2.208

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).