The active site structure for oxy-hemerythrin is: · ABC26IN0045
Subject: Inorganic Chemistry · Chapter: Bioinorganic Chemistry · Topic: Bioinorganic Chemistry – General · Exam: CSIR-NET 2017 · Marks: 2 · Difficulty: Medium
The active site structure for oxy-hemerythrin is:
(a)
(b)
(c)
(d)
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
Oxyhemerythrin has a μ-oxo Fe(III)–O–Fe(III) core bridged by Glu and Asp carboxylates; one iron carries three His and the other two His plus a terminal hydroperoxide (OOH) hydrogen-bonded to the μ-oxo bridge — structure (c).
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