2.4.1.90 additional information - two related forms of enzyme of 399 and 386 amino acids are synthesized as a consequence of alternative translation initiation. The long enzyme form has a NH2-terminal extension of 13 amino acids 489498 2.4.1.90 38000 - x * 38000, SDS-PAGE 489540 2.4.1.90 42200 - x * 42200, SDS-PAGE 489526 2.4.1.90 42960 - calculation from gene sequence, short form, transmembrane enzyme 489498 2.4.1.90 43000 - x * 43000, SDS-PAGE 489535 2.4.1.90 44420 - long form with NH2-terminal extension of 13 amino acids, calculation from gene sequence 489498 2.4.1.90 44880 - unglycosylated enzyme, calculation from gene sequence 489505 2.4.1.90 47000 - x * 47000, deglycosylated enzyme form, SDS-PAGE 489508 2.4.1.90 48000 - x * 48000, glycosylated enzyme form 489508 2.4.1.90 51000 - x * 51000, SDS-PAGE 489466