HEADER    IMMUNE SYSTEM                           31-DEC-69   6UE9
TITLE     Structure of tetrameric sIgA complex (Class 2)
COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: Immunoglobulin heavy constant alpha 2;
COMPND   3 CHAIN: A, B, F, G, E, H, K, L;
COMPND   4 FRAGMENT: UNP residues ;
COMPND   5 ENGINEERED: YES;
EXPDTA     ELECTRON MICROSCOPY
DBREF  6UE9 E  242   472  UNP    P01877   IGHA2_HUMAN    110    340
SEQRES   1 E  108  ASN THR PHE ARG PRO GLU VAL HIS LEU LEU PRO PRO PRO
SEQRES   2 E  108  SER GLU GLU LEU ALA LEU ASN GLU LEU VAL THR LEU THR
SEQRES   3 E  108  CYS LEU ALA ARG GLY PHE SER PRO LYS ASP VAL LEU VAL
SEQRES   4 E  108  ARG TRP LEU GLN GLY SER GLN GLU LEU PRO ARG GLU LYS
SEQRES   5 E  108  TYR LEU THR TRP ALA SER ARG GLN GLU PRO SER GLN GLY
SEQRES   6 E  108  THR THR THR TYR ALA VAL THR SER ILE LEU ARG VAL ALA
SEQRES   7 E  108  ALA GLU ASP TRP LYS LYS GLY GLU THR PHE SER CYS MET
SEQRES   8 E  108  VAL GLY HIS GLU ALA LEU PRO LEU ALA PHE THR GLN LYS
SEQRES   9 E  108  THR ILE ASP ARG