afamelanotide (melanotan-1) photoprotective drug molecule. atoms are represented as spheres with conventional color coding:

afamelanotide afamelanotid melanotan melanotan1 melanocortin peptide hormone alpha melanocyte stimulating msh skin pigmentation melanogenesis sun damage uv ultraviolet cancer photosensitivity erythropoietic protoporphyria epp vitiligo counterfeit photoprotective photoprotection hydrogen carbon nitrogen oxygen disease drug therapy medicine medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic molecule atoms chemical chemistry composition atomic model molecular