>7XYK_1|Chains A, B, C, D|Thymidylate synthase|Shrimp white spot syndrome virus (isolate Tongan) (654913) SNAMEGEHQYLNLVREILERGVKKDDRTGTGTLSIFGPQMRFSLRDDTIPVLTTKKIFWRGVVEELLWFIRGNTDAKELAKKKIHIWNANGSREFLDSRGLYDRAEGDLGPVYGFQWRHFGAEYDTCSSDYTGKGIDQLANILKTLRENPDDRRMIMTAWNPMDLHLMALPPCHMTAQFYVANGELSCQLYQRSGDVGLGVPFNIASYSLLTHLMASMVGLKPGEFILTLGDAHIYNTHIEVLKKQLCRVPRPFPKLRILMAPEKIEDFTIDMFYLEGYQPHSGNLQMKMAV