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Proteoglycan aggregation factor

The ability of dissociated cells of sponges to aggregate with cells only of a like type (p. 29) depends upon large extracellular proteoglycans. That of Microciona prolifera appears to be an aggregate of about three hundred 35-kDa core protein molecules with equal masses of attached carbohydrate. This aggregation factor has a total mass of 2 x 104 kDa.226 227 It apparently interacts specifically, in the presence of Ca2+ ions, with a 210-kDa cell matrix protein to hold cells of the same species together.227... [Pg.1155]

Tertiary structures beyond the cellular level can be observed by electron microscopy (EM). Both, macromolecular complexes of proteoglycan-like aggregation factors [55] and isolated glycosaminoglycan chains forming fibrillar structures have been observed by EM [19, 32]. [Pg.1083]

See other pages where Proteoglycan aggregation factor is mentioned: [Pg.630]    [Pg.287]    [Pg.630]    [Pg.287]    [Pg.1883]    [Pg.630]    [Pg.740]    [Pg.242]    [Pg.970]    [Pg.221]    [Pg.949]    [Pg.137]    [Pg.140]    [Pg.1165]    [Pg.1069]    [Pg.46]    [Pg.124]    [Pg.258]    [Pg.4]    [Pg.77]    [Pg.630]    [Pg.123]    [Pg.16]    [Pg.506]    [Pg.951]    [Pg.124]    [Pg.53]    [Pg.324]    [Pg.331]    [Pg.1490]    [Pg.1833]   
See also in sourсe #XX -- [ Pg.1155 ]



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