ArticleActa crystallographica. Section F, Structural biology communications2015
Purification and crystallographic analysis of a FAD-dependent halogenase from Streptomyces sp. JCM9888.
Article in Acta crystallographica. Section F, Structural biology communications, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 3 citations in OpenAlex.
- Deciphering of a bioactive molecule with a three-domain inhibitory activity from a halophilic bacterium Arhodomonas sp. AD133.BMC microbiology · 2026Article
- Diversity of tryptophan halogenases in sponges of the genus Aplysina.FEMS microbiology ecology · 2019Article
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6 authors at 1 institution in 1 country.
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Abstract
A new FAD (flavin adenine dinucleotide)-dependent halogenase HalY from Streptomyces sp. JCM9888 was reported to be involved in the regioselective halogenation of adenine. HalY is a variant B FAD-dependent halogenase that is most similar to the halogenase PltA involved in pyoluteorin biosynthesis. This study reports the overexpression and purification of HalY with an N-terminal hexahistidine tag, followed by crystallization experiments and X-ray crystallographic analysis. HalY was purified as a monomer in solution and crystallized to give X-ray diffraction to a resolution of 1.7 Å. The crystal belonged to the monoclinic space group P21, with unit-cell parameters a = 41.4, b = 113.4, c = 47.6 Å, α = γ = 90, β = 107.4°, and contained one monomer of HalY in the asymmetric unit, with a calculated Matthews coefficient of 2.3 Å(3) Da(-1) and a solvent content of 46%. The structure of the halogenase CndH was used as a search model in molecular replacement to obtain the initial model of HalY. Manual model building and structure refinement of HalY are in progress.
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