>9ZPQ_1|Chain A|Periplasmic serine protease DO|Borreliella burgdorferi B31 (224326) GPLGSALQDSFREVSKKILPSSVEVHATGVIKQSFPIPFFFFDMPEFDSERKSNWAGSGVIIGRDSQKKSLFYVVTNSHVVDKATELEVVSYDKKKHKAKLIGKDEKKDIALISFESDDATIKVADLGDSDKLEIGDWVMAVGSPFQFSFTVTAGIVSGLQRSANPNLQSRNLFIQTDAAINRGNAGGPLVNIKGEVIGINAWIASNSGGNIGLGFAIPVNNIKSTVDFFLKGK