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9.B.200 The 4 TMS TMEM255 or Pfam FAM70 (TMEM255) Family. 

The members of this family have sizes of 241 - 349 aas and exhibit 4 TMSs in a 3 + 1 arrangement. They are found only in eukaryotes. They exhibit an N-terminal region that has limited sequence similarity with members of the IncA (TC# 9.B.159) Family.

References associated with 9.B.200 family:

Zhang, N.N., T. Zhang, W.Y. Gao, X. Wang, Z.B. Wang, J.Y. Cai, Y. Ma, C.R. Li, X.C. Chen, W.T. Zeng, F. Hu, J.M. Li, Z.X. Yang, C.X. Zhou, and D. Zhang. (2020). Fam70A binds Wnt5a to regulate meiosis and quality of mouse oocytes. Cell Prolif e12825. [Epub: Ahead of Print] 32391621