



2D4U, 3ATP; PubMed Abstract: Escherichia coli has closely related amino acid chemoreceptors with distinct ligand specificity, Tar for l-aspartate and Tsr for l-serine. Crystallography of the ligand-binding domain of Tar identified the residues interacting with aspartate, most of which are conserved in Tsr. However, swapping of the nonconserved ...













































Replaces all H450, H500, H500A, H600, LA500, LAR500, LAR500A other 500 or 600 models Fits All 500 and 600 Gallon Per Day Hoot models Includes Fitting for Alarm Attachment Quiet, Efficient, and Dependable Operation Call For 1-877-925-5132 For Replacement Parts; Aerobic System Parts. Hoot Troy Air. 500 GPD; 750 GPD; 1000 GPD;
























