five antiserums , including anti-humanbrain-2-cycle-purified-microtubule-fractions ( 2 x mt ) , anti-calf-brain-2 x mt , anti-sea-urchin-egg-tubulin , antibeef-brain-tubulin , and anti-human-brain-neurofilament ( nf ) -210-kilodalton ( kd ) -protein were tested for their binding to neurofibrillary tangles .
C0026046
microtubule
C0041348
tubulin