HEADER HYDROLASE 31-DEC-69 6TAV TITLE Crystal structure of endopeptidase-induced alpha2-macroglobulin COMPND MOL_ID: 1; COMPND 2 MOLECULE: Alpha-2-macroglobulin; COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES; COMPND 5 Residue GLN975 of the protein according to UniProt P01023 is COMPND 6 OTHER_DETAILS: chemically modified to MEQ975 by reaction with methylamine.; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 4.20 ANGSTORMS DBREF 6TAV A 1 1474 UNP P01023 A2MG_HUMAN 1 1474