2KHJ:
reference: Probing the relationship between Gram-negative and Gram-positive S1 proteins by sequence analysis., Salah P, Bisaglia M, Aliprandi P, Uzan M, Sizun C, Bontems F, Nucleic Acids Res. 2009 Sep;37(16):5578-88. Epub 2009 Jul 15. PMID: 19605565

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