Table I

Properties of Drosophila γ-tubulin–containing Complexes

S valueStokes radiusEstimated molecular mass
nmD
In extract (100 mM NaCl)
 γTuSC12.8 7.6   390,000
 γTuRC35.515.02,200,000
In extract (500 mM NaCl)
 γTuSC 9.8 7.0   280,000
Purified (100 mM NaCl)
 γTuSC 9.7 7.3   280,000
 γTuRC31.6n/a
Purified (500 mM NaCl)
 γTuSC 9.3 7.3   270,000