Crystallographic analysis of Eisenia hydrolysis-enhancing protein using a long wavelength for native-SAD phasing.

ABSTRACT: Eisenia hydrolysis-enhancing protein (EHEP), which is a novel protein that has been identified in Aplysia kurodai, protects β-glucosidases from phlorotannin inhibition to facilitate the production of glucose from the laminarin abundant in brown algae. Hence, EHEP has attracted attention for its potential applications in producing biofuel from brown algae. In this study, EHEP was purified from the natural digestive fluid of A. kurodai and was crystallized using the sitting-drop vapor-diffusion method. Native and SAD (single-wavelength anomalous diffraction) data sets were successfully collected at resolutions of 1.20 and 2.48 Å using wavelengths of 1.0 and 2.1 Å, respectively, from crystals obtained in initial screening. The crystals belonged to space group P2₁2₁2

SUBMITTER: Sun X 

PROVIDER: S-EPMC6957108 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature