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. 2020 Aug 21;34(5):867–879. doi: 10.5713/ajas.20.0115

Figure 2.

Figure 2

Architecture of 148 putative cellulases having FN3 or Ig domains mined from metagenomic DNA data of bacteria in Vietnam goats’ rumen. Cellulases belonging to glycosyl hydrolase (GH) family 3 (GH3) exists in two forms: single GH3 domain (13 open reading frames [ORFs]) and GH3 domain associated with the fibronectin (FN3) domain (130 ORFs). The FN3 domain was always located behind GH3_N or GH3_C domain. All enzymes containing GH9 domains (17 ORFs) comprised immunoglobulin (Ig) domain. One of the 82 cellulases GH5 contains a single FN3 domain.