>5ist_X mol:protein length:160 Dihydrofolate reductase
TLSILVAHDLQRVIGFENQLPWHLPNDLKNVKKLSTGHTLVMGRKTFESIGKPLPNRRNVVLTSDTSFNVEGVDVIHSIEDIYQLPGHVFIFGGQTLFEEMIDKVDDMYITVIEGKFRGDTFFPPYTFEDWEVASSVEGKLDEKNTIPHTFLHLIRKLEH