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Figure 1.
Figure 1. Ribbon Diagram of the PCNA Monomer with Bound p21
Peptide(a) Stereo diagram of the three-dimensional structure of
one monomer of the PCNA–p21 peptide complex, looking directly
onto the face of the ring. The peptide (colored red) runs
alongside the interdomain connecting loop (green). The
N-terminal domain of PCNA is drawn in yellow and the C-terminal
domain in plum, with five residues at the terminus shaded blue.
Figure prepared using the programs MOLSCRIPT ([21]) and
Raster-3D ( [2]).(b) Superimposition of the C^α trace of PCNA
from S. cerevisiae (red) onto that of human PCNA (black) with
bound p21 peptide (green). The orientation is similar to that in
(a). Prepared using the programs O ([16]) and MOLSCRIPT ( [21]).
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