PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 688068-1 1978 Synaptic junctional complexes (SJCs), isolated by a procedure which preserves presynaptic dense projections (PDPs) contain as their major component a polypeptide (P55) which comigrates with tubulin on sodium dodecyl sulfate - polyacrylamide gels and another major polypeptide (P45) which comigrates with muscle actin. polyacrylamide 226-240 H3 histone pseudogene 44 Homo sapiens 163-166 688068-2 1978 We report here the characterization of P55 and P45 by two-dimensional polyacrylamide gel electrophoresis and by peptide mapping of the radioiodinated polypeptides. polyacrylamide 70-84 H3 histone pseudogene 44 Homo sapiens 39-42 688068-4 1978 Comparison of the sodium dodecyl sulfate - polyacrylamide gel electrophoresis patterns of SJCs and postsynaptic densities (PSDs) indicates that P55 and P45 are associated mainly with PDPs but are also found in the PSD. polyacrylamide 43-57 H3 histone pseudogene 44 Homo sapiens 144-147