Endopeptidase and glycosidase activities of the bacteriophage B30 lysin |
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| Authors: | Baker John R Liu Chengbao Dong Shengli Pritchard David G |
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| Affiliation: | Department of Biochemistry & Molecular Genetics, MCLM 552, University of Alabama at Birmingham, 1530 3rd Ave. S, Birmingham, AL 35294-0005, USA. |
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| Abstract: | Synthetic peptides corresponding to portions of group B streptococcal peptidoglycan were used to show that the endopeptidase activity of bacteriophage B30 lysin cleaves between D-Ala in the stem peptide and L-Ala in the cross bridge and that the minimal peptide sequence cleaved is DL-gamma-Glu-Lys-D-Ala-Ala-Ala. The only glycosidase activity present is that of N-acetyl-beta-D-muramidase. |
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