Here we have assembled some papers and thoughts that examine the structure of lipoproteins:
Wu et al. 2007. The refined structure of nascent HDL reveals a key functional domain for particle maturation and dysfunction. Nature Structural & Molecular Biology. 14: 861-868.
Segrest JP et al. 2001. Structure of apoliprotein B-100 in LDL. Journal of Lipid Research. 42: 1346-1367.
Jeon H & Blacklow SC. 2005. Structure and physiological function of the LDLr. Annual Review of Biochemistry. 74: 535-562.