Search for "protein modifications" in Full Text gives 4 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2018, 14, 2861–2871, doi:10.3762/bjoc.14.265
Beilstein J. Org. Chem. 2017, 13, 1498–1506, doi:10.3762/bjoc.13.148
Beilstein J. Org. Chem. 2017, 13, 793–794, doi:10.3762/bjoc.13.78
Beilstein J. Org. Chem. 2010, 6, 1219–1228, doi:10.3762/bjoc.6.140