Table 1 Crystallographic data and refinement statistics.

From: Structural basis of cell wall peptidoglycan amidation by the GatD/MurT complex of Staphylococcus aureus

Dataset (PDB ID)

native (6GS2)

thiomersal

AMPPNP (6H5E)

Data collection

X-ray source

SLS X06DA (PXIII)

SLS X10SA (PXII)

SLS X06DA (PXIII)

X-ray detector

Pilatus 2 M

Pilatus 6 M

Pilatus 2 M

Wavelength [Å]

1.0

1.0

1.0

Space group

P212121

P212121

P212121

Unit cell axes (Å)

a = 107.10

b = 110.37

c = 116.36

a = 106.97

b = 109.27

c = 116.03

a = 109.72

b = 109.74

c = 123.30

Unic cell angles (°)

α = β = γ = 90

α = β = γ = 90

α = β = γ = 90

Resolution [Å]

50–2.04

50–2.49

50–2.14

Reflections (unique)

641308 (88009)

1411718 (91196)

1114473 (82581)

Redundancy

7.3

13.8

13.5

Complenteness [%] (last bin)

99.7 (99.1)

99.7 (98.1)

99.8 (98.6)

    I/σ(I)

14.01 (1.57)

17.33 (1.88)

19.37 (1.41)

    Rmeas [%]

11.2 (178.9)

3.5 (131.3)

11.6 (213.0)

    CC1/2 [%]

99.9 (72.5)

99.9 (71.2)

100.0 (67.6)

    Wilson B [Å2]

40.9

56.0

51.9

SIRAS phasing

Resolution [Å]

 

50–2.08

 

No. of heavy atoms in ASU

 

13

 

Phasing power (iso/ano)

    centric

 

0.898/−

 

    acentric

 

0.685/0.382

 

FOM

    centric

 

0.15862

 

    acentric

 

0.14178

 

Rcullis (iso/ano)

   

    centric

 

0.856/−

 

    acentric

 

0.886/0.965

 

Refinement

Resolution included [Å]

49.07–2.04

 

49.08–2.14

Software

PHENIX (1.10.1)

 

PHENIX (1.10.1)

Non-solvent atoms

9893

 

9909

Solvent atoms

639

 

442

Rwork/Rfree [%]

17.5/21.6

 

19.2/23.5

Size of Rfree test set [%]

1.71 (1503 reflections)

 

1.82 (1504 reflections)

Bond r.m.s.d.

0.011

 

0.011

Angle r.m.s.d.

1.097

 

1.424

Ramachandran [%] (favoured, allowed, outliers*)

97.43, 2.57, 0.00

 

96.44, 3.48, 0.08

Rotamer outliers [%]

1.97

 

1.79

All-atom clashscore+

3.34

 

5.02

Average B factors [Å2]

41.3

 

60.2

    protein

41.0

 

60.1

    ligand

 

50.4

    ions

42.8

 

59.3

    solvent

45.6

 

63.8

  1. *Outliers are residues C94 and G190 in each of the two copies of GatD. Both have well-defined density.
  2. +PDB validation reports show that these values are comparable to or better than those of structures with similar resolution.