>sp|Q8YQ64|Y3971_NOSS1 Putative zinc metalloprotease all3971 OS=Nostoc sp. GN=all3971 MSVLAAIAVLAVLILVHELGHFVAARSQGIHVNRFSLGFGPVLWKYQGAETEYAIRAFPL GGFVGFPDDDPDSDIPPNDPNLLRNRPILDRAIVISAGVIANLIFAYMLLLAQVGFVGIG QASQPGVSIQQLAPEVSAVATNAGLKPGDVILSANQKEFGTSLQEIEALRDIIKNSPGKS IQLTVARGDERLSVNVIPEAKPAGGSIGIGLAPNGKVERRPVSLSKAFSVGASEFQRIVV MTFKGFGQLVTNFGETASQVAGPIKIVEIGANIAQNDTGSLFFFAALISINLAVINILPL PALDGGQLAFLLIEGLRGKPLPNRIQEGVMQTGLVLLLGLGIFLIVKETTQLTTQLEWVQ KLFQ