SPACI score report for 1b44 in ASTRAL 2.08:

PDB Entry: 1b44
SPACI score: 0.21
AEROSPACI score: 0.21

Experiment type: XRAY
Resolution: 3.3
R-factor: 0.212
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.119
WCK2 WHAT_CHECK Ramachandran: -2.266
WCK3 WHAT_CHECK Chi angles: -2.299
WCK4 WHAT_CHECK Backbone: -0.796

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).