Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/7EIV
Glycine--tRNA ligase alpha subunitGlycine--tRNA ligase beta subunitGLYCINEMAGNESIUM IONPHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
trna synthetaseescherichia coliheterotetramericglycyl
https://www.ncbi.nlm.nih.gov/Structure/pdb/3OAC
Geranyl diphosphate synthase large subunitGeranyl diphosphate synthase small subunit3-METHYLBUT-3-ENYL TRIHYDROGEN DIPHOSPHATEDIMETHYLALLYL...
geranyl pyrophosphatemintdeletionmutantheterotetrameric