>1V4N_1|Chains A, B, C|271aa long hypothetical 5'-methylthioadenosine phosphorylase|Sulfolobus tokodaii (111955) MMIEPKEKASIGIIGGSGLYDPQILTNVKEIKVYTPYGEPSDNIILGELEGRKVAFLPRHGRGHRIPPHKINYRANIWALKSLGVKWVIAVSAVGSLRLDYKPGDFVVPNQFIDMTKGRTYTFFDGPTVAHVSMADPFCEHLRSIILDSAKDLGITTHDKGTYICIEGPRFSTRAESIVWKEVFKADIIGMTLVPEVNLACEAEMCYSVIGMVTDYDVFADIPVTAEEVTKVMAENTAKVKKLLYEVIRRLPEKPDERKCSCCQALKTALVLEHHHHHHHH