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  • Title: Purification, crystallization and preliminary crystallographic analysis of human dihydrodipicolinate synthase-like protein (DHDPSL).
    Author: Bunker RD, Loomes KM, Baker EN.
    Journal: Acta Crystallogr Sect F Struct Biol Cryst Commun; 2012 Jan 01; 68(Pt 1):59-62. PubMed ID: 22232173.
    Abstract:
    Human dihydrodipicolinate synthase-like protein (DHDPSL) is a gene product of unknown function. It is homologous to bacterial pyruvate-dependent aldolases such as dihydrodipicolinate synthase (DHDPS), which functions in lysine biosynthesis. However, it cannot have this function and instead is implicated in a genetic disorder that leads to excessive production of oxalate and kidney-stone formation. In order to better understand its function, DHDPSL was expressed as an MBP-fusion protein and crystallized using an in situ proteolysis protocol. Two crystal forms were obtained, both of which diffracted X-rays to approximately 2.0 Å resolution. One of these, belonging to space group P6(2)22 or P6(4)22 with unit-cell parameters a = b = 142.9, c = 109.8 Å, α = β = 90, γ = 120°, was highly reproducible and suitable for structure determination by X-ray crystallography.
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