PASS2 version 4: An update to the database of structure-based sequence alignments of structural domain superfamilies. - Arumugam Gandhimathi; Anu G. Nair; Ramanathan Sowdhamini (Nucleic Acids Res., 2012)

PASS2 database for the structure-based sequence alignment of distantly related SCOP domain superfamilies: update to version 5 and added features. - Arumugam Gandhimathi; Pritha Ghosh; Sridhar Hariharaputran; Oommen K. Mathew; Ramanathan Sowdhamini (Nucleic Acids Res., 2016)