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9.B.445.  The Apolipoprotein A2 (ALP-A2) Family 

It may stabilize the HDL (high density lipoprotein) structure by its association with lipids, and thereby affect HDL metabolism.

References associated with 9.B.445 family:

Connolly, K.J., J. Margaria, E. Di Biase, O. Cooper, P.J. Hallett, and O. Isacson. (2023). Loss of Lipid Carrier ApoE Exacerbates Brain Glial and Inflammatory Responses after Lysosomal GBA1 Inhibition. Cells 12:. 37947642
Di Natale, A., M. Jarau, S.K. Russell, R.A. Horricks, B.N. Lillie, B. Dixon, and J.S. Lumsden. (2019). Rainbow trout Oncorhynchus mykiss (Walbaum) type IV ice-structuring protein LS-12 in the acute-phase response to Flavobacterium psychrophilum infection. J Fish Dis 42: 975-984. 31066066
Wang, H., H.C. Zhou, R.L. Ren, S.X. Du, Z.K. Guo, and X.H. Shen. (2022). Apolipoprotein E2 inhibits mitochondrial apoptosis in pancreatic cancer cells through ERK1/2/CREB/BCL-2 signaling. Hepatobiliary Pancreat Dis Int. [Epub: Ahead of Print] 36243659