Systematic study on G-protein couple receptor prototypes: did they really evolve from prokaryotic genes?

Abstract excerpt

G-protein couple receptor (GPCR) is one of the most striking examples of signalling proteins and it is only observed in eukaryotes. Based on various GPCR identification methods and classification systems, several evolutionary presumptions of different GPCR families have been reported. However, the prototype of GPCR still limits our knowledge. By investigating its structure and domain variance, the authors propose...

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