TITLE     (h-alpha2M)4 trypsin-activated state
COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: Alpha-2-macroglobulin;
COMPND   3 CHAIN: A, B, C, D;
EXPDTA     ELECTRON MICROSCOPY
DBREF  7O7Q B    1  1474  UNP    P01023   A2MG_HUMAN       1   1474
SEQRES   1 B  123  PHE VAL LEU PRO LYS PHE GLU VAL GLN VAL THR VAL PRO
SEQRES   2 B  123  LYS ILE ILE THR ILE LEU GLU GLU GLU MET ASN VAL SER
SEQRES   3 B  123  VAL CYS GLY LEU TYR THR TYR GLY LYS PRO VAL PRO GLY
SEQRES   4 B  123  HIS VAL THR VAL SER ILE CYS ARG LYS TYR SER ASP ALA
SEQRES   5 B  123  SER ASP CYS HIS GLY GLU ASP SER GLN ALA PHE CYS GLU
SEQRES   6 B  123  LYS PHE SER GLY GLN LEU ASN SER HIS GLY CYS PHE TYR
SEQRES   7 B  123  GLN GLN VAL LYS THR LYS VAL PHE GLN LEU LYS ARG LYS
SEQRES   8 B  123  GLU TYR GLU MET LYS LEU HIS THR GLU ALA GLN ILE GLN
SEQRES   9 B  123  GLU GLU GLY THR VAL VAL GLU LEU THR GLY ARG GLN SER
SEQRES  10 B  123  SER GLU ILE THR ARG THR