>7SU4_1|Chains A, B, C, D|7,8-dihydroneopterin aldolase|Yersinia pestis (632) MHHHHHHSSGVDLGTENLYFQSNAMDIVFIEELSVITTIGVYDWEQTIQQKLVFDIEMGWDNRKAAGSDDVNDCLSFADISEAVIQHVGSQRFALVERVAEEVAELLLRRFNSPWVRIKVSKPGAVAQAKNVGVIIERGQRLS