HEADER    IMMUNE SYSTEM                           31-DEC-69   6UEA
TITLE     Structure of pentameric sIgA complex
COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: Immunoglobulin heavy constant alpha 2;
COMPND   3 CHAIN: A, B, F, G, K, L, E, H, I, J;
COMPND   4 FRAGMENT: UNP residues ;
COMPND   5 ENGINEERED: YES;
EXPDTA     ELECTRON MICROSCOPY
REMARK 465 MISSING RESIDUES                                                    
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                      
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN              
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)               
REMARK 465
REMARK 465   M RES C SSSEQI  
REMARK 465     LEU K   224
REMARK 465     ALA K   225
DBREF  6UEA K  242   472  UNP    P01877   IGHA2_HUMAN    110    340
SEQRES   1 K  122  ASN THR PHE ARG PRO GLU VAL HIS LEU LEU PRO PRO PRO
SEQRES   2 K  122  SER GLU GLU LEU ALA LEU ASN GLU LEU VAL THR LEU THR
SEQRES   3 K  122  CYS LEU ALA ARG GLY PHE SER PRO LYS ASP VAL LEU VAL
SEQRES   4 K  122  ARG TRP LEU GLN GLY SER GLN GLU LEU PRO ARG GLU LYS
SEQRES   5 K  122  TYR LEU THR TRP ALA SER ARG GLN GLU PRO SER GLN GLY
SEQRES   6 K  122  THR THR THR TYR ALA VAL THR SER ILE LEU ARG VAL ALA
SEQRES   7 K  122  ALA GLU ASP TRP LYS LYS GLY GLU THR PHE SER CYS MET
SEQRES   8 K  122  VAL GLY HIS GLU ALA LEU PRO LEU ALA PHE THR GLN LYS
SEQRES   9 K  122  THR ILE ASP ARG LEU ALA GLY LYS PRO THR HIS ILE ASN
SEQRES  10 K  122  VAL SER VAL VAL MET