Q37 · CSIR-NET Chemistry, December 2011

Paper: CSIR-NET December 2011 · Subject: Inorganic Chemistry · Chapter: Bioinorganic Chemistry · Topic: Iron Sulfur Proteins · Marks: 2 · Difficulty: Medium

In the bacterial rubredoxin, the number of iron atoms, sulfur bridges and cysteine ligands are

\[ \begin{array}{ccc} \text{Fe atom} & \text{Sulfur bridge} & \text{Cysteine} \end{array} \]

(a)4, 4, 4

(b)2, 2, 4

(c)2, 2, 2

(d)1, 0, 4

Answer

Answer: D ✓ checked by 4AB · confidence high

Explanation

Rubredoxin: one Fe, no sulfide bridges, four cysteine thiolates (d).

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