They found that the NTT proteins consist of 12 transmembrane helices, adopting a fold typical of major facilitator ...

As expected, the receptor consists of seven transmembrane helices connected by extra- and intracellular loops. The receptor fold is very similar to that of rhodopsin in its inactive state.

1 The transmembrane-spanning α helices of the protein are separated by alternating extracellular and intracellular loops. Scientists who study GPCRs still debate how to classify them. Many researchers ...

Light is a powerful source of energy that is used for various biological purposes. Some organisms harness light to produce ATP, the energy currency of cells, while others use light to interpret ...