2.1.1.11 ? x * 25681, calculation from nucleotide sequence 485109 2.1.1.11 ? x * 34960, calculated from sequence 756823 2.1.1.11 additional information disaggregation to lower molecular mass forms, monomeric to multimeric species, gel filtration 684982 2.1.1.11 additional information majority of the protein exist as a high-molecular-weight multimer as determined by gel filtration 687761