6tb5
The crystal structure of the DPS2 from DEINOCOCCUS RADIODURANS to 1.83A resolution (sequentially soaked in CaCl2 [5mM] for 20 min, then in Ammonium iron(II) sulfate [10mM] for 2h).The crystal structure of the DPS2 from DEINOCOCCUS RADIODURANS to 1.83A resolution (sequentially soaked in CaCl2 [5mM] for 20 min, then in Ammonium iron(II) sulfate [10mM] for 2h).
Structural highlights
FunctionDPS2_DEIRA Protects DNA from oxidative damage by sequestering intracellular Fe(2+) ion and storing it in the form of Fe(3+) oxyhydroxide mineral. One hydrogen peroxide oxidizes two Fe(2+) ions, which prevents hydroxyl radical production by the Fenton reaction (By similarity). See Also |
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