>sp|Q21U56|TYSY_ALBFT Thymidylate synthase OS=Albidiferax ferrireducens GN=thyA MSSHPIRSQYEDFLRHVSTHGVFKADRTGTGTTSVFGYQMRFDLNEGFPLVTTKKVFLKA IVLELLWFLRGDSNVKWLQERGCTIWDEWARPDGDLGPVYGVQWRSWPTPDGGHIDQIAE AIKTLKTNPDSRRIIVSAWNVAELDKMALMPCHAFFQFYVAPAQTPGGKGKLSCQLYQRS ADIFLGVPFNIASYALLTHMVAQQCDLDVGDFIWTGGDCHVYSNHAEQVALQLSRTPFAY PTLSIKRKPASIFDYAYEDFEVLGYECHPAIKAPVAV