>5XEM_1|Chains A, B|Cysteine synthase|Fusobacterium nucleatum subsp. nucleatum strain ATCC 25586 (190304) GPLGSLANSVIDLIGNTPLVKINNIDTFGNEIYVKLEGSNPGRSTKDRIALKMIEEAEKEGLIDKDTVIIEATSGNTGIGLAMICAVKNYKLKIVMPDTMSIERIQLMRAYGTEVILTDGSLGMKACLEKLEELKKNEKKYFVPNQFTNVNNPKAHYETTAEEILKDLNNKVDVFICGTGTGGSFSGTAKKLKEKLPNIKTFPVEPASSPLLSKGYIGPHKIQGMGMSIGGIPAVYDGSLADDILVCEDDDAFEMMRELSFKEGILGGISTGATFKAALDYSKENADKGLKIVVLSTDSGEKYLSNICDL