The coordination number is six. Four of these sites are occupied by the nitrogens in the heme moiety, one is occupied by the nitrogen in the side chain of a histidine residue, and the remaining one is occupied by a loosely bound oxygen molecule.
Iron is the element found at the centre of haemoglobin.
Iron. This element is found at the center of each hemoglobin molecule.
If a quarter of the mass of the molecule is iron and the mass of the molecule is 89600u, then the mass of iron is 22400u ... a quarter of the total mass.
One molecule of hemoglobin has 4 iron ions.
iron atoms
Hemoglobin contains a heme group with an Iron ion attached to it. The iron is what binds to O2.
The iron containing part of hemoglobin is the 'heme' molecule.
iron
i think that hemoglobin is combination of iron and other minerals in body(human)
Iron. This element is found at the center of each hemoglobin molecule.
iron
When a hemoglobin molecule is broken apart, the iron pigment is released. This is what is called the -"heme" part of the molecule.