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Table 1 X-ray data-collection and structure refinement statistics

From: Aldose reductase from Schistosoma japonicum: crystallization and structure-based inhibitor screening for discovering antischistosomal lead compounds

Data collection and processing

Processing software

HKL2000

Synchrotron, beamline

SSRF, BL17U

Wavelength (Å)

0.9791

Space group

P21212

Unit cell parameters a, b, c (Å, °)

a = 67.49, b = 91.00, c = 54.67

Resolution range (Å)1

30.0-2.20 (2.28-2.20)

Unique reflections

17617

Redundancy

6.4 (6.5)

Completeness (%)

99.8 (99.9)

Rmerge (%)

12.5 (37.1)

I/σ(I)

13.8 (5.0)

Refinement statistics

Refinement software

PHENIX

Rwork (%)/Rfree(%)2

17.7/21.7

Average B factor, (Å2)

17.9

RMSD from ideal geometry, bonds (Å)

0.007

RMSD from ideal geometry, angles (°)

1.023

Protein atoms

2452

Water molecules

225

Residues in the Ramachandran plot

Most favored region (%)

92.5

Allowed region (%)

7.5

Generously allowed region (%)

0

Disallowed region (%)

0

  1. 1Values in parentheses are for the highest resolution shell.
  2. 2Rfree = ∑ Test ||Fobs| –|Fcalc||/∑Test |Fobs|, where “Test” is a test set of about 5% of the total reflections randomly chosen and set aside before refinement.