Please indicate the coordination geometry for the Heme A in the picture.A) tetrahedralB) octahedralC) square planarD) trigonal planarE) linear The image depicts the chemical structure of heme, a component of hemoglobin. **Description of the Structure:**1. **Central Iron (Fe) Atom:** - The iron atom is centrally located and is a key component, as it binds oxygen molecules in hemoglobin. 2. **Porphyrin Ring:** - The structure consists of a porphyrin ring, composed of four pyrrole subunits (each containing a nitrogen atom) that are interconnected by methine bridges.3. **Side Chains:** - Various side chains extend from the porphyrin ring, including vinyl, methyl, and propionate groups. Two propionate side chains are shown with carboxyl groups (–COOH).4. **Phytol Chain:** - There is a long hydrophobic chain attached to the structure known as phytol, which contributes to the amphipathic nature of chlorophyll but is also a component in some heme variants.This structure is crucial in biological systems for oxygen transport and various other biochemical processes.

Hemoglobin is an oligomeric conjugated protein with four peptide chains joined by a non-covalent…

Answered: Please indicate the coordination…

Please indicate the coordination geometry for the Heme A in the picture. A) tetrahedral B) octahedral C) square planar D) trigonal planar E) linear

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Question

100%

Please indicate the coordination geometry for the Heme A in the picture.

A) tetrahedral

B) octahedral

C) square planar

D) trigonal planar

E) linear

The image depicts the chemical structure of heme, a component of hemoglobin.

**Description of the Structure:**

1. **Central Iron (Fe) Atom:**
- The iron atom is centrally located and is a key component, as it binds oxygen molecules in hemoglobin.

2. **Porphyrin Ring:**
- The structure consists of a porphyrin ring, composed of four pyrrole subunits (each containing a nitrogen atom) that are interconnected by methine bridges.

3. **Side Chains:**
- Various side chains extend from the porphyrin ring, including vinyl, methyl, and propionate groups. Two propionate side chains are shown with carboxyl groups (–COOH).

4. **Phytol Chain:**
- There is a long hydrophobic chain attached to the structure known as phytol, which contributes to the amphipathic nature of chlorophyll but is also a component in some heme variants.

This structure is crucial in biological systems for oxygen transport and various other biochemical processes.

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