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. Author manuscript; available in PMC: 2014 Jan 6.
Published in final edited form as: Chem Rev. 2009 Oct;109(10):10.1021/cr900006y. doi: 10.1021/cr900006y

Figure 2.

Figure 2

Ribbon diagram of the Tim9/Timl0 complex. (A) The Tim9/Timl0 hexameric complex existing within the IMS mediates transfer of hydrophobic polypeptides to either the SAM or TIM22 complex for membrane insertion. The N- and C-termini of one Tim9 monomer in the complex are shown for orientation. Tim9 or Timl0 subunits consist of twin Cys-X3-Cys sequence motifs that form two intrachain disulfides per subunit, stabilizing the hexameric complex (panel B).