>4XSC_1|Chains A, B, C, D|Thymidylate synthase|Varicella-zoster virus (strain Oka vaccine) (341980) MHHHHHHSSGVDLGTENLYFQSMTKVPGFTLTGELQYLKQVDDILRYGVRKRDRTGIGTLSLFGMQARYNLRNEFPLLTTKRVFWRAVVEELLWFIRGSTDSKELAAKDIHIWDIYGSSKFLNRNGFHKRHTGDLGPIYGFQWRHFGAEYKDCQSNYLQQGIDQLQTVIDTIKTNPESRRMIISSWNPKDIPLMVLPPCHTLCQFYVANGELSCQVYQRSGDMGLGVPFNIAGYALLTYIVAHVTGLKTGDLIHTMGDAHIYLNHIDALKVQLARSPKPFPCLKIIRNVTDINDFKWDDFQLDGYNPHPPL