Chemistry Reference
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(a)
(b)
(c)
(d)
(e)
Figure 6 Schematic illustrations of putative chemical structures arising from interactions
of calcium phosphate with casein: (a) phosphoserine cluster on a calcium-
sensitive casein; (b) docking of protein cluster motif onto a facet of a calcium
phosphate lattice, showing the ester phosphate (square) replacing the inorganic
phosphate (circle); (c) crowding around the six facets of the bi-pyramid,
showing only the four proteins docked on front faces; (d) situation with four
proteins around the four faces of the tetrahedron; and (e) three tetrahedra in
chain formation, with eight faces available for protein docking
possesses individually could not extend beyond a few peaks in the radial
distribution function. As the nanoclusters are considered to be spread ran-
domly within the space commanded by the casein micelle, their contributions to
a scattering pattern would smear out and reduce the discreteness of any radial
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