Examples of such metalloporphyrins are the iron porphyrins (e.g. heme in hemoglobin) and the magnesium porphyrin, chlorophyll, the photosynthetic pigment in plants.

• 例如金属卟啉象铁卟啉（如血红素中的亚铁）以及镁卟啉、植物中的叶绿素与光合色素。