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Table 1 The distribution of identified riboswitches classes over three metagenomes and the total number of riboswitches in each class

From: Abundance and functional diversity of riboswitches in microbial communities

Riboswitch class Sargasso Sea Minnesota Soil Whale Falls Total
S-box 3a) 2.5b) 5a) 28b) 4a) 33b) 12a) 21c)
RFN 2 1.6 2 11 3 25 7 12.5
LYS 1 0.8 - - - - 1 0.26
B12 32 27 14 78 15 125 61 77
THI-box 60 50 14 78 17 142 91 90
G-box - - 1 0.8 - - 1 0.26
GLMS - - 1 6 1 8 2 5
GCVT 106 89 4 22 9 75 119 62
YKKC/YXKD - - 1 6 4 33 5 13
YKOK - - 1 6 - - 1 2
YYBP/YKOY 2 1.7 6 33 3 25 11 20
Total 206 1.7 49 2.7 56 4.7 311 3
  1. a) Number of identified riboswitches.
  2. b) The ratio of the number of identified riboswitches to the number of genes in a metagenome by the factor of ×10-6 (except for the 'Total' row, where the factor is ×10-4).
  3. c) The average fraction of riboswitch-regulated genes in three metagenomes by the factor of ×10-6 (except for the 'Total' row, where the factor is ×10-4).