TITLE Hairpin-bound state of the E. coli Mre11-Rad50 (SbcCD) head complex TITLE 2 bound to ADP and a DNA hairpin COMPND MOL_ID: 2; COMPND 2 MOLECULE: Nuclease SbcCD subunit D; COMPND 3 CHAIN: A, B; COMPND 4 MUTATION: YES; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY