2.4.99.19 ? x * 82000, SDS-PAGE 707399 2.4.99.19 monomer - -, 709145 2.4.99.19 monomer sequence and structure comparison with STT3 subunit of the eukaryotic OST complex 718913 2.4.99.19 additional information C-terminal globular domain of PglB compared with the structure from the archaeon Pyrococcus AglB, overview -, 709145 2.4.99.19 additional information PglB is a protein with two domains, an N-terminal transmembrane domain with 9-13 predicted transmembrane segments, and a C-terminal soluble domain which contains the catalytic center 707399 2.4.99.19 additional information PglB possesses a transmembrane domain comprising residues 1-432 and a periplasmic domain comprising residues 433-712, two domains have extensive non-covalent interactions, provided mainly by the first external loop of the transmembrane domain that forms two helices parallel to the membrane plane. The central, catalytic enzyme of OST is the STT3 subunit, structure, overview 720542 2.4.99.19 additional information STT3 catalytic subunit sequence comparisons, overview 719566 2.4.99.19 additional information the prokaryotic oligosaccharyltransferase enzyme consists of a single polypeptide chain -, 758885