Table 2 Data collection and refinement statistics of crystal structures (molecular replacement)

From: Structural insights into the human niacin receptor HCA2-Gi signalling complex

 

HCA2 3378 (Insect)

HCA2 8519 (mammalian)

Data collection

  

Space group

P21212

P21212

Cell dimensions

  

   a, b, c (Å)

81.01, 82.15, 86.31

80.88, 81.99,85.78

    α, β, γ (°)

90, 90, 90

90, 90, 90

Resolution (Ã…)

47.97–2.70 (2.75 –2.70)*

47.8–2.7 (2.80–2.70)*

Rsym or Rmerge

0.09 (0.59)

0.12 (0.71)

I/σI

10.18 (1.76)

10.91 (2.03)

Completeness (%)

95.76 (92.24)

98.71 (97.84)

Redundancy

5.6 (4.3)

5.9 (4.2)

Refinement

  

Resolution (Ã…)

2.70

2.70

No. reflections

23069

16017

Rwork/Rfree

0.25/0.28

0.25/0.27

No. atoms

  

   Protein

3168

3100

B-factors

  

   Total

91.54

77.29

   Protein

91.21

77.31

R.m.s. deviations

  

   Bond lengths (Å)

0.003

0.004

   Bond angles (°)

0.47

0.62

  1. *Number of xtals for 3378 structure is 2 and 8519 structure is 6. *Values in parentheses are for highest-resolution shell.
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