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. 2007 Apr 14;63(Pt 5):399–402. doi: 10.1107/S1744309107017113

Table 1. Information on the three crystal forms of T. aquaticus SCS.

Values in parentheses are for the highest resolution shell.

Crystal form I II III
Resolution limit (Å) 2.2 (2.38–2.20) 3.3 (3.36–3.30) 2.35 (2.39–2.35)
Crystal system Orthorhombic Monoclinic Monoclinic
Space group I222 C2 C2
Unit-cell parameters (Å, °) a = 100.90, b = 114.24, c = 121.63, α = β = γ = 90 a = 247.76, b = 127.20, c = 112.50, α = γ = 90, β = 117.0 a = 261.73, b = 126.80, c = 110.60, α = γ = 90, β = 112.76
Unit-cell volume (Å3) 1401170 3158250 3385809
No. of measurements 242452 184934 310767
No. of unique reflections 36307 48749 120106
I〉/〈σ(I)〉 29.0 (2.4) 11.9 (4.4) 9.5 (1.2)
Rmerge (%) 5.6 (35.6) 12.3 (32.4) 12.9 (41.4)
Completeness (%) 99.0 (97.2) 99.9 (100) 86.7 (49.3)

I〉 is the mean intensity for all reflections and 〈σ(I)〉 is the mean sigma for these reflections.

R merge = Inline graphic Inline graphic, where Ii is the intensity of an individual measurement of a reflection and 〈I〉 is the mean value for all equivalent measurements of this reflection.