Source:http://linkedlifedata.com/resource/umls/id/C0004654
CSP: pigmented protein involved in proton transport across cell membranes of photosynthetic bacteria such as Halobacterium.,MSH: Rhodopsins found in the PURPLE MEMBRANE of halophilic archaea such as HALOBACTERIUM HALOBIUM. Bacteriorhodopsins function as an energy transducers, converting light energy into electrochemical energy via PROTON PUMPS.