>3N0H_1|Chain A|Dihydrofolate reductase|Homo sapiens (9606) VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFSRMTTTSSVEGKQNLVIMGKKTWFSIPEKFRPLKGRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND