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Table 6. Genes with putative carbohydrate sensing function

From: Complete Genome Sequence of Clostridium clariflavum DSM 19732

Loci

Domain structure1

Putative Substrate

Matches in C. thermocellum2

% similarity

Clocl_1053/Clocl_1054

SigI / RsgI-UK-CBM3

Cellulose

Cthe_0268/Cthe_0267

61/41

Clocl_2843/Clocl_2844

SigI / RsgI-UK-CBM3

Cellulose

Cthe_0058/Cthe_0059

58/31

Clocl_4008/Clocl_4009

SigI / RsgI-UK-CBM3

Cellulose

Cthe_0058/Cthe_0059

59/36

Clocl_2098/Clocl2099

SigI / RsgI-UK-CBM42

Xylan

Cthe_1272/Cthe_1273

72/44

Clocl_2747/Clocl_2748

SigI / RsgI-UK-PA14-PA14

Pectin

Cthe_0315/Cthe_0316

43/32

Clocl_2044/Clocl_2045

SigI / RsgI-UK

Unknown

Cthe_2975/Cthe_2974

44/32

Clocl_4136/Clocl_4137

SigI / RsgI-UK

Unknown

Cthe_2522/Chte_2521

63/42

Clocl_2797/Clocl_2798

SigI / RsgI-UK

Unknown

Cthe_2975/Cthe_2974

65/59

  1. 1Domain structure denotes pairs of sigma I-like protein (SigI) and its associated trans-membrane protein (RsgI), containing domains of unknown function (UK), carbohydrate binding domains from families 3 (CBM3) and 42 (CBM42), and a conserved domain proposed to have pectin-binding function (PA14).
  2. 2Indicates matches in pairs of loci in the C. thermocellum ATCC 27405 genome