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Figure 1 | Respiratory Research

Figure 1

From: Surfactant protein-D and pulmonary host defense

Figure 1

Molecular structure of SP-D. (a) Schematic diagram illustrating the structure of SP-D dodecamers, which consist of four trimeric subunits, and SP-D trimers. (b) Quick-freeze deep-etch image of human SP-D dodecamers, SP-D multimers, and the SP-D binding protein gp-340 (kindly provided by John Heuser, Washington University School of Medicine, St Louis, Missouri, USA).

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