>tr|A0A109SXN8|A0A109SXN8_MYCTX Precorrin-3B synthase OS=Mycobacterium tuberculosis variant africanum GN=RN09_2543 MAGTRDADACPGALRPHQAADGALARIRLPGGMITAAQLATLASVASDFGSATLELTARG NVQLRGIRDVAAVADAVAKAGLLPSATHERVRNIVASPLSGRAGGLADVRAWVGELDAAI RAEPRLAELGGRFWFGLDDGRADVSGLGADVGVQVFPDGPRLLLTGRDTGVRVADVAETL IEVALRFVKIRETAWRVTELADIGELQSGVELGPSVRPVTKTPVGWIPQDDSRVTLGAAV PLGVLPARVAECLAAIEAPLVITPWRSVLICDLDDATADAALRVLAPLGLVFDENSPWLN ISACTGSPGCAHSAADVRADAARSLNVESAGHRHFVGCERACGSPPAGEVLVATGGGYRR LRP