Sunghark Kwon

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A [NiFe] hydrogenase maturation protease HybD from Thermococcus kodakarensis KOD1 (TkHybD) is involved in the cleavage of the C-terminal residues of [NiFe] hydrogenase large subunits by Ni recognition. Here, we report the crystal structure of TkHybD at 1.82 Å resolution to better understand this process. TkHybD exhibits an α/β/α sandwich fold with conserved(More)
Introduction [NiFe]-hydrogenases harbor a complex metal cofactor, NiFe(CN)2CO, in their active sites. Its biosynthesis requires specific maturation machinery, in which six Hyp proteins (HypABCDEF) play key roles. Four Hyp proteins (HypCDEF) are involved in the biosynthesis and incorporation of the Fe(CN)2CO group. After Fe insertion, HypA and HypB insert(More)
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