SPACI score report for 2gcj in ASTRAL 2.08:

PDB Entry: 2gcj
SPACI score: 0.26
AEROSPACI score: 0.26 (mutant; see below)

Experiment type: XRAY
Resolution: 2.55
R-factor: 0.219
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -1.287
WCK2 WHAT_CHECK Ramachandran: -2.724
WCK3 WHAT_CHECK Chi angles: -3.747
WCK4 WHAT_CHECK Backbone: -1.855

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOPe contain the phrase mutant. The full comment is: "mutant; automatically matched to 2GCJ A:238-474; automated match to d2gcja1"

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).