![Bioinorganic Chemistry|| Three important macrocyclic ring|| Porphyrin,Corrin and Chlorin ring - YouTube Bioinorganic Chemistry|| Three important macrocyclic ring|| Porphyrin,Corrin and Chlorin ring - YouTube](https://i.ytimg.com/vi/HXZenBHjtfs/hqdefault.jpg)
Bioinorganic Chemistry|| Three important macrocyclic ring|| Porphyrin,Corrin and Chlorin ring - YouTube
![Figure 2 from Nuclear magnetic resonance studies of the biosynthesis of vitamin B12. The origin of the methyl groups on the corrin ring. | Semantic Scholar Figure 2 from Nuclear magnetic resonance studies of the biosynthesis of vitamin B12. The origin of the methyl groups on the corrin ring. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/7032e39488e7cd4a6c25edf78ed6d89c8268c2d2/3-Figure2-1.png)
Figure 2 from Nuclear magnetic resonance studies of the biosynthesis of vitamin B12. The origin of the methyl groups on the corrin ring. | Semantic Scholar
![Figure 1 from Nuclear magnetic resonance studies of the biosynthesis of vitamin B12. The origin of the methyl groups on the corrin ring. | Semantic Scholar Figure 1 from Nuclear magnetic resonance studies of the biosynthesis of vitamin B12. The origin of the methyl groups on the corrin ring. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/7032e39488e7cd4a6c25edf78ed6d89c8268c2d2/2-Figure1-1.png)
Figure 1 from Nuclear magnetic resonance studies of the biosynthesis of vitamin B12. The origin of the methyl groups on the corrin ring. | Semantic Scholar
![SOLVED: How do porphyrin and corrin compare with respect to the ring size, formal charge and degree of unsaturation? Include information abou the sizes of the metal centers based on typical oxidation SOLVED: How do porphyrin and corrin compare with respect to the ring size, formal charge and degree of unsaturation? Include information abou the sizes of the metal centers based on typical oxidation](https://cdn.numerade.com/ask_previews/b9771a0b-76ac-4ce3-80e3-d074856bbd79_large.jpg)