>1KDD_1|Chains A[auth B], C[auth D], E|GCN4 ACID BASE HETERODIMER BASE-d12La16L|null XKVKQLKAKVEELKSKLWHLKNKVARLKKKNAECKA >1KDD_2|Chains B[auth A], D[auth C], F|GCN4 ACID BASE HETERODIMER ACID-d12La16I|null XEVKQLEAEVEELESEIWHLENEVARLEKENAECEA