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. Author manuscript; available in PMC: 2016 Jan 8.
Published in final edited form as: Nat Struct Mol Biol. 2015 Jun 22;22(7):522–531. doi: 10.1038/nsmb.3051

Table 1.

Data collection and refinement statistics

Ligand-free HIV-1
BG505 SOSIP.664
Data collection
Space group P63
Cell constants
a, b, c (Å) 107.6, 107.6, 107.6
 α, β, γ (°) 90, 90, 120
Resolution (Å) 50.0–3.30 (3.42–3.30)a
Rmerge 9.4 (42.5)
II 14.3 (1.29)
Completeness (%) 68.3 (14.6)
Redundancy 5.2 (2.2)
Refinement
Resolution (Å) 35.3–3.3
Unique reflections 6,434
Rwork/Rfree (%) 26.6/28.5
No. atoms
 Protein 4,518
 Ligand 338
 Water 0
B-factors (Å2)
 Protein 93.8
 Ligand 124.7
R.m.s. deviations
 Bond lengths (Å) 0.004
 Bond angles (°) 1.147
a

Values in parentheses are for highest-resolution shell; the highest resolution shell for which data were 50% complete with I/sigma greater than 2 was 3.91–3.72 Å. We therefore consider this structure to have a nominal resolution of 3.72 Å. One crystal was used for data measurements.