| Literature DB >> 3689349 |
J Koivu1, R Myllylä, K I Kivirikko.
Abstract
A two-step procedure is described for the purification of protein disulphide-isomerase (PDI). This procedure is based on the previous finding that the beta-subunit of the prolyl 4-hydroxylase tetramer (alpha 2 beta 2) is identical with PDI [Koivu, Myllylä, Helaakoski, Pihlajaniemi, Tasanen & Kivirikko (1987) J. Biol. Chem. 262, 6447-6449; Pihlajaniemi, Helaakoski, Tasanen, Myllylä, Huhtala, Koivu & Kivirikko (1987) EMBO J. 6, 643-649]. The procedure involves purification of the prolyl 4-hydroxylase tetramer by a simple affinity chromatography and subsequent isolation of the beta-subunit from the dissociated tetramer by ion-exchange chromatography.Entities:
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Year: 1987 PMID: 3689349 PMCID: PMC1148394 DOI: 10.1042/bj2470237
Source DB: PubMed Journal: Biochem J ISSN: 0264-6021 Impact factor: 3.857