>3lkt_Q mol:protein length:238 Protocatechuate 3,4-dioxygenase beta chain PAQDNSRFVIRDRNWHPKALTPDYKTSIARSPRQALVSIPQSISETTGPNFSHLGFGAH DHDLLLNFNNGGLPIGERIIVAGRVVDQYGKPVPNTLVEMWQANAGGRYRHKNDRYLAP LDPNFGGVGRCLTDSDGYYSFRTIKPGPHPWRNGPNDWRPAHIHFGISGPSIATKLITQ LYFEGDPLIPMCPIVKSIANPEAVQQLIAKLDMNNANPMDCLAYRFDIVLRGQRKTHFE NC