Figure 2From: Poly-L-glutamate/glutamine synthesis in the cell wall of Mycobacterium bovisis regulated in response to nitrogen availabilitySchematic representation of glnA1 promoter. glnA1 gene with two promoters P1 and P2. +1 represents glnA1 translational start site. The red arrow represents the transcriptional start site. The black arrow represents the position of primers used to make deletion variants of the glnA1 promoter.Back to article page