>5Z5C_1|Chains A, B, C, D|Cysteine synthase|Fusobacterium nucleatum subsp. nucleatum (strain ATCC 25586 / CIP 101130 / JCM 8532 / LMG 13131) (190304) GPLGSEQKKMKYLENLVGKTPMLELIFDYKGEERRIFVKNESYNLTGSIKDRMAFYTLKKAYEKNEIKKGAPIVEATSGNTGIAFSAMGAILGHPVIIYMPDWMSEERKSLIRSFGAKIILVSRKEGGFLGSIEKTKEFAKNNPDTYLPSQFSNLYNSEAHYYGIGLEIVNEMKSLNLNIDGFVAGVGTGGTVMGIGKRIKENFSNAKICPLEPLNSPTLSTGYKVAKHRIEGISDEFIPDLVKLDKLDNVVSVDDGDAIVMAQKLAKCGLGVGISSGANFIGALMLQNKLGKDSVIVTVFPDDNKKYLSTDLMREEKVKEDFLSKDITLKEIKNVLRVI