Statistics for data collection, phasing, and model refinement.

aData collected at the Sector 23-ID-D of the Advanced Photon Source.bNumbers in parentheses indicate the highest resolution shell of 20.cRmerge = Σh Σi |I(h)i–I(h)>|/Σh ΣiI(h)i, where I(h) is the observed intensity of reflection h, and I(h)> is the average intensity obtained from multiple measurements.dFigure of merit = iα/Σ P(α)|>, where α is the phase angle and P(α) is the phase probability distribution.eRwork = Σ | |Fo|–|Fc| |/Σ |Fo|, where |Fo| is the observed structure factor amplitude and |Fc| is the calculated structure factor amplitude.fRfree = R-factor based on 5.0% of the data excluded from refinement.Statistics for data collection, phasing, and model refinement.