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. 1996 Dec 10;93(25):14391–14395. doi: 10.1073/pnas.93.25.14391

Figure 1.

Figure 1

C-terminal segments of PPK from three different sources. N.m, N. meningitidis PPK (8); K.a, K. aerogenes PPK (7); E.c., E. coli PPK (6). The boxed sequences represent regions of identity. Amino acids marked with an asterisk indicate the residues changed by site-directed mutagenesis.