Table 1 Data collection and refinement statistics

From: Substrate-bound outward-open structure of a Na+-coupled sialic acid symporter reveals a new Na+ site

 

SeMet-SAD13mergeda

SeMet (5NV9)b

Native (5NVA)c

Data collection

   

Space group

C2

C2

P22121

 Cell dimensions

   

a, b, c (Å)

130.24, 97.99, 54.74

130.59, 98.07, 54.78

48.78, 97.76, 151.69

α, β, γ (°)

90, 92.16, 90

90, 92.15, 90

90, 90, 90

 Resolution (Å)d

19.93–3.87 (4.32–3.87)

78.40–1.95 (2.00–1.95)

82.18–2.26 (2.34–2.26)

 Rsym (%)d

25.9 (31.7)

17.4 (134.1)

14.8 (139.6)

 I/σId

29.1 (28.6)

6.43 (1.22)

8.39 (1.39)

 CC 1/2d

0.998 (0.997)

0.991 (0.452)

0.99 (0.388)

 Completeness (%)d

99.0 (99.1)

99.2 (99.6)

96.64 (95.47)

 Redundancyd

63.8 (64.4)

3.24 (3.28)

4.9 (4.9)

Refinement

   

 Resolution (Å)

 

78.40–1.95

82.18–2.26

 No. of reflections

 

47,316

61,303

 Rwork/Rfree

 

19.88/24.35

22.43/26.08

 No. of atoms

 

3998

3834

   Protein

 

3715

3647

   Neu5Ac

 

21

21

   Sodium

 

2

2

   DDM

 

35

 

   Phosphate

 

5

 

   Water

 

220

164

 B-factors

 

29.9

33.9

   Protein

 

28.5

33.6

   Neu5Ac

 

23.9

29.9

   Sodium

 

27.6

32.1

   DDM

 

47.9

 

   Phosphate

 

54.9

 

   Water

 

42.7

42.0

 R.m.s. deviations

   

   Bond lengths (Å)

 

0.017

0.002

   Bond angles (°)

 

1.85

0.51

  1. aSeMet-SAD dataset was collected from 13 crystals
  2. bSeMet dataset was collected from one crystal
  3. cNative dataset was collected from one crystal
  4. dValues in parentheses are for highest-resolution shell