SPACI score report for 2ht2 in ASTRAL 2.07:

PDB Entry: 2ht2
SPACI score: 0.11
AEROSPACI score: 0.11

Experiment type: XRAY
Resolution: 3.32
R-factor: 0.272
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.354
WCK2 WHAT_CHECK Ramachandran: -5.078
WCK3 WHAT_CHECK Chi angles: -5.037
WCK4 WHAT_CHECK Backbone: -0.565

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).