>2X4H_1|Chains A, B, C, D|HYPOTHETICAL PROTEIN SSO2273|SULFOLOBUS SOLFATARICUS (273057) GMRVDSQMSNLSRREFSYLLTIKRYNDSGEGAKINRIAKDLKIAPSSVFEEVSHLEEKGLVKKKEDGVWITNNGTRSINYLIKAHRVIEILLVNIGIDKQTACEYSKQFDYLIPEEIIDKLYNYLGKPSYCPHGLEIPL