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. 2021 Jun 29;12:698905. doi: 10.3389/fphar.2021.698905

FIGURE 1.

FIGURE 1

Lung pulmonary surfactant (PS) (A) Relative precent of various components in PS (B) Representative structure of PS (C) Molecular representation of surfactant protein (SP)-A (D) Molecular representation of SP-B (E) Molecular representation of SP-C (F) Molecular representation of SP-D. DPPC, dipalmitoyl phosphatidylcholine; NL, neutral lipid; PC, phosphatidylcholine; PG, phosphatidylglycerol; PL, phospholipid; SP, surfactant protein.