https://www.ncbi.nlm.nih.gov/Structure/pdb/4PA5
Protein-glutamine gamma-glutamyltransferase1,2-ETHANEDIOL2-AMINO-ETHANETHIOLCITRATE ANIONGLYCEROLSULFATE IONTETRAETHYLENE GLYCOLTRIETHYLENE GLYCOLZINC ION
bacterial sporetglcoattransglutaminasecystamine