In the bacterial rubredoxin, the number of iron atoms, sulfur bridges and cysteine ligands are Fe atom… · ABC26IN0034

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

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

Fe atom, sulfur bridge, cysteine

(a)4, 4, 4

(b)2, 2, 4

(c)2, 2, 2

(d)1, 0, 4

Answer

Answer: D ✓ checked by 4AB · confidence high

The source book printed no answer; this one was worked out and checked — see the explanation.

Explanation

Rubredoxin has a single Fe atom bound by four cysteine thiolates and no inorganic (bridging) sulfide: 1 Fe, 0 sulfur bridges, 4 cysteines.

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