... FilamentCOOHCOOHCOOHCOOHCOOHCOOHNH 2 NH 2 NH 2 NH 2 NH 2 NH 2 FIGURE 1 .22 The current model for the assembly of inter-mediate filaments from protein monomers. (A) Coiled-coildimer in parallel orientation (i.e., with amino and ... plants: Their detection and localization. Exp. Cell Res.199: 21 3 22 2.Gunning, B. E. S., and Steer, M. W. (1996) Plant Cell Biology: Structure and Function of Plant Cells. Jones and Bartlett, Boston.Harwood, ... X. J., Luo, Z., Liu, Z. F., and Zhai, Z. H.(1995) The assembly of keratins from higher plant cells. Proto-plasma 188: 128 –1 32. Plant Cells 27 ...