Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/6LCL
Alpha-galactosidasealpha-D-galactopyranose
alpha galactosidasethermus thermophiluscomplex
https://www.wikidata.org/wiki/Q28142925
scientific article (publication date: April 1975)
beta galactosidasemolecularbasisalphacomplementation
https://www.ncbi.nlm.nih.gov/Structure/pdb/6LCJ
alpha galactosidasethermusapoform