Table 1.

Data collection and refinement statistics for mtKasB structure determination

Data collection:
Space group	R3
Cell dimensions (a, b, c in Å, α°, β°, γ°)	198.7, 198.7, 71.8, 90, 90, 120
Resolution (Å)	50-2.39
Completeness % (last shell)	98.6 (88.4)
I/σ(I) (last shell)	31.7 (2.5)
No. of total reflections	230006
No. of unique reflections	41266
Rsym % (last shell)	5.3 (43.1)
Refinement:
Resolution (Å)	50-2.4
No. of reflections in test set	1911
No. of reflections in working set	35874
No. of protein molecules in asu	2
No. of protein atoms in asu	6192
No. of water molecules in asu	229
Twinned R-factor (%)	23.6
Twinned Rfree factor (%)	18.1
RMS deviations:
Bond lengths (Å)	0.007
Bond angles (°)	1.15
Average B-factors (Å2):
Main chain	53.9
Side chain and waters	54.4
RMS B main chain	0.75
RMS B side chain	0.89

R_sym = Σ |I - <I>| / Σ I, where <I> is the average intensity over symmetry equivalents.