Palmitoylation of lung surfactant protein SP-C alters surface thermodynamics, but not protein secondary structure or orientation in 1,2-dipalmitoylphosphatidylcholine langmuir films.

Abstract

Pulmonary surfactant-specific protein, SP-C, isolated from porcine lung lavage, has been deacylated to investigate the role of the two thioester linked palmitoyl chains located near the N-terminus. Surface thermodynamic properties, secondary structure, and orientation of native and deacylated SP-C in 1, 2-dipalmitoylphosphatidylcholine (DPPC) monolayers has… (More)

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