The binding specificity of different E-boxes is found to be essential in their function. E-boxes with different functions have a different number and type of binding factor. The consensus sequence of the E-box is usually CANNTG; however, there exist other E-boxes of similar sequences called noncanonical E-boxes.
The more common sizes of cookie sheets are tagged as Full, Three Quarters, Half and Quarter. For âHow big is a cookie sheet?â in the Full-size variety, this one measures approximately 26 inches in width by 18 inches in depth and about an inch thick.
The full-size sheet pan is 26 by 18 in (66 by 46 cm), which is too large for most home ovens. A two thirds sheet pan (also referred to as a three quarter size sheet pan) is 21 by 15 in (53 by 38 cm). A half sheet pan is 18 by 13 in (46 by 33 cm); quarter sheets are 9 by 13 in (23 by 33 cm). The half sheet is approximately the same size as mass-market baking sheets found in supermarkets, and the quarter sheet is a common size for rectangular, single-layer cakes.