tokens: Gel filtration , sedimentation velocity , and immunoprecipitation experiments revealed that beta4 is a component of a multisubunit complex ( AP-4 ) that also contains the sigma4 polypeptide and two additional adaptor subunit homologs named mu4 ( mu-ARP2 ) and epsilon .
folded_tokens: gel filtration , sedimentation velocity , and immunoprecipitation experiment reveal that beta4 be a component of a multisubunit complex ( ap-4 ) that also contain the sigma4 polypeptide and two additional adaptor subunit homolog name mu4 ( mu-arp2 ) and epsilon .