https://www.ncbi.nlm.nih.gov/Structure/pdb/8EUN
8EUN: MicroED structure of an Aeropyrum pernix protoglobin metallo-carbene complex
Protogloblin ApPgbbenzyl[3,3'-(7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~)di(propanoato)(2-)]iron
microedstructure