SERPENT - an information storage and analysis resource for protein sequences. - D. Akrigg; Terri K. Attwood; Alan J. Bleasby; John B. C. Findlay; A. C. North; N. A. Maughan; David J. Parry-Smith; D. N. Perkins; J. C. Wootton (Comput. Appl. Biosci., 1992)

PROMISE: a database of information on prosthetic centres and metal ions in protein active sites. - Kirill Degtyarenko; A. C. North; D. N. Perkins; John B. C. Findlay (Nucleic Acids Res., 1998)

PROMISE: a database of bioinorganic motifs. - Kirill Degtyarenko; A. C. North; John B. C. Findlay (Nucleic Acids Res., 1999)