Table 1. Data collection and refinement statistics for glucosidase II α catalytic subunit.
Tris-bound | SeMet Apo | DNJ-bound | |||
---|---|---|---|---|---|
Crystallographic data | |||||
Space group | R32 | R32 | R32 | ||
Unit cell a/b/c (Å) | 189.0/189.0/157.2 | 189.3/189.3/158.0 | 189.5/189.5/157.8 | ||
Data processing statistics | |||||
Beam line | PF BL5A | PF-AR NE3A | PF-AR NE3A | ||
Wavelength (Å) | 1.00000 | 0.97946 | 0.97946 | ||
Resolution (Å) | 50–1.40 (1.42–1.40) | 50–2.40 (2.44–2.40) | 50–1.60 (1.63–1.60) | ||
Total/unique reflections | 1,537,957/209,648 | 470,213/42,596 | 766,615/141,836 | ||
Completeness (%) | 99.9 (100.0) | 100.0 (100.0) | 98.3 (98.0) | ||
Rmerge (%) | 6.0 (41.0) | 12.3 (45.5) | 8.6 (41.9) | ||
I/σ (I) | 46.3 (5.9) | 26.7 (6.4) | 23.6 (2.8) | ||
Refinement statistics | |||||
Resolution (Å) | 20.0–1.40 | 20.0–1.60 | |||
Rwork/Rfree (%) | 15.4/17.5 | 15.5/18.3 | |||
R.m.s. deviations from ideal | |||||
Bond lengths (Å) | 0.010 | 0.011 | |||
Bond angles (°) | 1.40 | 1.43 | |||
Ramachandran plot (%) | |||||
Most Favored | 87.8 | 87.8 | |||
Additionally allowed | 11.9 | 11.9 | |||
Generously allowed | 0.3 | 0.3 | |||
Disallowed | 0 | 0 | |||
α3-Glc2-bound | Man2Glc1-bound | ||||
Crystallographic data | |||||
Space group | R32 | R32 | |||
Unit cell a/b/c (Å) | 190.0/190.0/158.6 | 189.7/189.7/158.3 | |||
Data processing statistics | |||||
Beam line | SPring-8 BL44XU | SPring-8 BL44XU | |||
Wavelength (Å) | 0.90000 | 0.90000 | |||
Resolution (Å) | 50–2.40 (2.44–2.40) | 50–2.30 (2.34–2.30) | |||
Total/unique reflections | 323,577/43,022 | 365,028/48,696 | |||
Completeness (%) | 100.0 (100.0) | 100.0 (100.0) | |||
Rmerge (%) | 9.3 (43.3) | 10.8 (45.7) | |||
I/σ (I) | 33.5 (6.4) | 31.6 (7.2) | |||
Refinement statistics | |||||
Resolution (Å) | 20.0–2.40 | 20.0–2.30 | |||
Rwork/Rfree (%) | 14.8/19.9 | 14.4/18.9 | |||
R.m.s. deviations from ideal | |||||
Bond lengths (Å) | 0.010 | 0.012 | |||
Bond angles (°) | 1.34 | 1.45 | |||
Ramachandran plot (%) | |||||
Most Favored | 85.4 | 86.4 | |||
Additionally allowed | 14.2 | 13.2 | |||
Generously allowed | 0.4 | 0.4 | |||
Disallowed | 0 | 0 |