>4IRR_1|Chains A, B|Thymidylate synthase|Caenorhabditis elegans (6239) MEVMNKENIIADAPSDVVKTVQQQVHLNQDEYKYLKQVEQILREGTRRDDRTGTGTISIFGMQSKYCLRNGTIPLLTTKRVYWKGVLEELLWFISGSTDGKLLMEKNVKIWEKNGDRAFLDNLGFTSREEGDLGPVYGFQWRHFGAKYVDCHTDYSGQGVDQLAEVIRQIKEQPDSRRIIMSAWNPSDLGQMVLPPCHTMCQFYVDNGELSCQLYQRSGDMGLGVPFNLASYGLLTHMIAKVCGLKPGTLVHTLGDAHVYSNHVDALKIQLDREPYAFPKIRFTRDVASIDDFTSDMIALDDYKCHPKIPMDMAV