COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: Urease subunit alpha;
COMPND   3 CHAIN: A, C, E, G, I, K, M, O, Q, S, U, W;
COMPND   4 EC: 3.5.1.5;
COMPND   5 ENGINEERED: YES;
EXPDTA     ELECTRON MICROSCOPY