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. 2011 Nov 25;67(Pt 12):1492–1497. doi: 10.1107/S1744309111040267

Table 1. X-ray data-collection and processing statistics for the native wild-type α1-antitrypsin crystal structure 3ne4 .

Values in parentheses are for the highest resolution shell.

Space group C2
Unit-cell parameters (Å, °) a = 114.4, b = 38.9, c = 88.8, β = 104.3
Resolution (Å) 42.11–1.81 (1.91–1.81)
No. of reflections
 Total 92961
 Unique 34169
Rmerge 0.07 (0.274)
Completeness (%) 98.5 (99.1)
Multiplicity 2.7 (2.6)
I/σ(I)〉 10.0 (3.4)
Rcryst (%) 18.7
Rfree§ (%) 23.3
Bave2)
 Main chain 23.9
 Side chain 28.8
No. of water molecules 217
Ramachandran plot, residues in (%)
 Preferred region 96.5
 Allowed region 3.3
 Disallowed region 0.3
R.m.s.d. from ideal
 Bond lengths (Å) 0.015
 Bond angles (°) 1.5

R merge = Inline graphic Inline graphic, where i are the set of observations for each reflection hkl.

R cryst = Inline graphic Inline graphic.

§

R free = R cryst for 5% of reflections omitted from refinement.

B ave values are average temperature factors for all molecules in the asymmetric unit.