>4GNG_2|Chains B, D[auth F]|Histone H3.3|Homo sapiens (9606) ARTKQTARKSTGGKA >4GNG_1|Chains A, C[auth D]|Histone-lysine N-methyltransferase NSD3|Homo sapiens (9606) SNARKIKTEPKQMHEDYCFQCGDGGELVMCDKKDCPKAYHLLCLNLTQPPYGKWECPWHQCDECSSAAVSFCEFCPHSFCKDHEKGALVPSALEGRLCCSEHDPMAP