Table 1. Data-collection and refinement statistics.

Values in parentheses are for the outermost shell of the resolution range.

Data collection
Space group	P212121
Unit-cell parameters ()	a = 78.3, b = 108.5, c = 148.3
Resolution ()	63.411.45 (1.531.45)
R merge †	0.077 (0.375)
R p.i.m. ‡	0.036 (0.172)
I/sdI	11.6 (3.4)
Completeness (%)	96.2 (89.5)
Redundancy	5.1 (4.9)
Refinement
No. of reflections	1095072 (138933)
No. of unique reflections	213226 (28642)
R work §	0.167 (0.280)
R free	0.189 (0.290)
No. of atoms	10677
Protein	9336
Ligands	34
Water	1307
Average B factors (2)
Protein	14.4
Covalently bound pyruvate	10.8
Noncovalently bound pyruvate	28.7
PEG 400	50.0
Waters	16.5
R.m.s. deviations¶
Bond lengths ()	0.012
Bond angles ()	1.346
Ramachandran statistics†† (%)
Most favoured	100
Outliers	0
PDB code	2wkj

^† R _merge = .

^‡ R _p.i.m. = .

^§The crystallographic R factor was calculated as , with 5% of reflections set aside randomly for calculation of R _free.

^¶Based on the ideal geometry values of Engh Huber (1991 ▶).

^††Ramachandran analysis using the program MolProbity (Davis et al., 2007 ▶).