3.4.21.7 ? x * 83000, SDS-PAGE 731900 3.4.21.7 ? x * 90000, plasminogen, SDS-PAGE, x * 88432, plasminogen, sequence determination 717469 3.4.21.7 ? x * 90000, SDS-PAGE 753319 3.4.21.7 ? x * 91000, plasminogen, SDS-PAGE 731263 3.4.21.7 ? x * 92000, plasminogen, SDS-PAGE 732706 3.4.21.7 monomer - 95548 3.4.21.7 monomer single chain protein consists of 2 disulfide-linked polypeptide chains of 60000 Da and 24000-26000 Da 95549 3.4.21.7 monomer the enzyme consists of a 24000-26000 Da light chain and a 59000-62000 Da heavy chain, enzyme form F-2, high speed analytical ultracentrifugation in 6 M guanidine HCl 95550 3.4.21.7 monomer the enzyme consists of a 24000-26000 Da light chain and a 60000-63000 Da heavy chain, enzyme form F-1, high speed analytical ultracentrifugation in 6 M guanidine HCl 95550 3.4.21.7 monomer x * 48800, A-chain, + x * 25700, B-chain, equilibrium sedimentation after cleavage of a single disulfide bond in Lys-plasminogen 95548 3.4.21.7 additional information plasminogen is a single-chain, multidomain glycoprotein, and is composed of an N-terminal peptide, five triple-loop structures stabilized by three intrachain disulfide bridges called kringles, and the trypsin-like serine protease part carrying the catalytic triad His603, Asp646, and Ser741. Primary structure of human plasminogen, overview. The three-dimensional structural model of human plasminogen based on known and overlapping 3-D structures of plasminogen fragments exhibits a spiral shape 717469 3.4.21.7 additional information the light chain of 50000 Da, determined by SDS-PAGE results in two bands of 30000 Da and 26000 Da 95554