@misc{indiciaea8f7724809fd, title = {In vitro SUMO-1 modification requires two enzymatic steps, E1 and E2.}, author = {T Okuma and R Honda and G Ichikawa and N Tsumagari and H Yasuda}, year = {1999}, doi = {10.1006/bbrc.1998.9995}, url = {https://pubmed.ncbi.nlm.nih.gov/9920803/}, note = {Source identifier: 9920803} }