metanitrophenyl - Robuta Search

https://www.ncbi.nlm.nih.gov/Structure/pdb/1EEI 1EEI: CHOLERA TOXIN B-PENTAMER COMPLEXED WITH METANITROPHENYL-ALPHA-D-GALACTOSE PROTEIN (CHOLERA TOXIN B)3-nitrophenyl alpha-D-galactopyranoside alpha d cholera toxin b