tokens: The transmembrane topology of Na ( + ) / H ( + ) exchanger NHE3 has been studied using in vitro transcription / translation of two types of fusion vectors designed to test membrane insertion properties of cDNA sequences encoding putative NHE3 membrane spanning domains ( msds ) .
folded_tokens: the transmembrane topology of na ( + ) / h ( + ) exchanger nhe3 have be study use in vitro transcription / translation of two type of fusion vector design to test membrane insertion property of cdna sequence encode putative nhe3 membrane spanning domain ( msd ) .