>5CKB_1|Chains A, B|Endoribonuclease MazF|Escherichia coli  K-12 (83333)
MVSRYVPDMGDLIWVDFDPTKGSEQAGHRPAVVLSPFMYNNKTGMCLCVPCTTQSKGYPFEVVLSGQERDGVALADQVKSIAWRARGATKKGTVAPEELQLIKAKINVLIGHHHHHH