The following publications are possibly variants of this publication:
- The PIR-International Protein Sequence DatabaseWinona C. Barker, John S. Garavelli, Daniel H. Haft, Lois T. Hunt, Christopher R. Marzec, Bruce C. Orcutt, Geetha Y. Srinivasarao, Lai-Su L. Yeh, Robert S. Ledley, Hans-Werner Mewes, Friedhelm Pfeiffer, Akira Tsugita. nar, 26(1):27-32, 1998.
- The PIR-International Protein Sequence DatabaseWinona C. Barker, John S. Garavelli, Peter B. McGarvey, Christopher R. Marzec, Bruce C. Orcutt, Geetha Y. Srinivasarao, Lai-Su L. Yeh, Robert S. Ledley, Hans-Werner Mewes, Friedhelm Pfeiffer, Akira Tsugita, Cathy H. Wu. nar, 27(1):39-43, 1999.
- The Protein Information Resource (PIR) and the PIR-International Protein Sequence DatabaseDavid G. George, Robert J. Dodson, John S. Garavelli, Daniel H. Haft, Lois T. Hunt, Christopher R. Marzec, Bruce C. Orcutt, Kathryn E. Sidman, Geetha Y. Srinivasarao, Lai-Su L. Yeh, Leslie Arminski, Robert S. Ledley, Akira Tsugita, Winona C. Barker. nar, 25(1):24-28, 1997.
- PIR-ALN: a database of protein sequence alignmentsGeetha Y. Srinivasarao, Lai-Su L. Yeh, Christopher R. Marzec, Bruce C. Orcutt, Winona C. Barker. bioinformatics, 15(5):382-390, 1999.
- Database of protein sequence alignments: PIR-ALNGeetha Y. Srinivasarao, Lai-Su L. Yeh, Christopher R. Marzec, Bruce C. Orcutt, Winona C. Barker, Friedhelm Pfeiffer. nar, 27(1):284-285, 1999.
- MIPS: a database for genomes and protein sequencesHans-Werner Mewes, Dmitrij Frishman, Ulrich Güldener, Gertrud Mannhaupt, Klaus F. X. Mayer, Martin Mokrejs, Burkhard Morgenstern, Martin Münsterkötter, Stephen Rudd, B. Weil. nar, 30(1):31-34, 2002.
- MIPS: a database for genomes and protein sequencesHans-Werner Mewes, Dmitrij Frishman, Christian Gruber, Birgitta Geier, Dirk Haase, Andreas Kaps, Kai Lemcke, Gertrud Mannhaupt, Friedhelm Pfeiffer, Christine M. Schüller, S. Stocker, B. Weil. nar, 28(1):37-40, 2000.
- MIPS: a database for genomes and protein sequencesHans-Werner Mewes, Klaus Heumann, Andreas Kaps, Klaus F. X. Mayer, Friedhelm Pfeiffer, S. Stocker, Dmitrij Frishman. nar, 27(1):44-48, 1999.