Kamekura, M.; Seno, Y.; Dyall-Smith, M. (1996-05-23). "Halolysin R4, a serine proteinase from the halophilic archaeon Haloferax mediterranei; gene cloning, expression and structural studies". Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology. 1294 (2): 159–167. doi:10.1016/0167-4838(96)00016-7. ISSN0006-3002. PMID8645734.
Kamekura, M.; Seno, Y.; Dyall-Smith, M. (1996-05-23). "Halolysin R4, a serine proteinase from the halophilic archaeon Haloferax mediterranei; gene cloning, expression and structural studies". Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology. 1294 (2): 159–167. doi:10.1016/0167-4838(96)00016-7. ISSN0006-3002. PMID8645734.
Kamekura, M.; Seno, Y.; Dyall-Smith, M. (1996-05-23). "Halolysin R4, a serine proteinase from the halophilic archaeon Haloferax mediterranei; gene cloning, expression and structural studies". Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology. 1294 (2): 159–167. doi:10.1016/0167-4838(96)00016-7. ISSN0006-3002. PMID8645734.