Q4 · CSIR-NET Chemistry, June 2021

Paper: CSIR-NET June 2021 · Subject: Inorganic Chemistry · Chapter: Bioinorganic Chemistry · Topic: Iron Sulfur Proteins · Marks: 2 · Difficulty: Medium

In 3-iron ferredoxins, the number of sulfide bridges and cysteinyl ligands, respectively, are:

(a)3, 3

(b)4, 3

(c)3, 4

(d)4, 4

Answer

Answer: B ✓ checked by 4AB · confidence high

The source book printed A; on checking, B is correct — see the explanation.

Book printed (a).

Explanation

[3Fe–4S] clusters have four sulfide bridges and three cysteinyl ligands (b).

Study loop for Bioinorganic Chemistry