>sp|Q8YVU4|ACSF2_NOSS1 Magnesium-protoporphyrin IX monomethyl ester [oxidative] cyclase 2 OS=Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576) OX=103690 GN=acsF2 PE=3 SV=1 MVNSLTTPEPQTLKPGVKAPVQETLLTPRFYTTDFDAVANLDISANETEIRAIVEELRAD YNRHHFVRDEEFKQSWDHITGEKRRAFIDFLERSCTSEFSGFLLFKELSRRIKSRNPLLA EAFEFMARDEARHAGFLNKSMSDLNLSLDLNYLTKNRTYTFFPPEWVIYTVYLSEKIGYW RYILVHQHMQEHPEYQFYPLFRKFESWCQDENRHGDFFKALLRSQPQLWKNWKARLWVRF FLLTVFVTHTMTVFERASFYESIGIHPRKYNNRVIQETNNTSARAFPLILNTNHPLFFWR LEQCWENNFKLAAIKNSKLPNFVKFFQRIPPATAIFWNMLRLFLIKPIDTEATRGTVL