BioJava-ModFinder: identification of protein modifications in 3D structures from the Protein Data Bank
Jianjiong Gao, Andreas Prlić, Chunxiao Bi, Wolfgang F Bluhm, Dimitris Dimitropoulos, Dong Xu, Philip E Bourne, & Peter W Rose
Bioinformatics (2017) 33 (13): 2047–2049.