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Table 2 Glycine repeat frequencies in PDB helices

From: Statistical characterization of the GxxxG glycine repeats in the flagellar biosynthesis protein FliH and its Type III secretion homologue YscL

Repeat

# found

% of all helices

None

84,337

98.3%

GxxxG

1,373

1.6%

GxxxGxxxG

53

0.06%

GxxxGxxxGxxxG

7

0.008%

Longer GxxxG repeats

0

0.0%

  1. A total of 85,770 unique helices from 7,963 PDB proteins were searched for the presence of GxxxG repeats. The number of helices containing a repeat of each length is shown.