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
DBREF  6UEA E  242   472  UNP    P01877   IGHA2_HUMAN    110    340
SEQRES   1 E  101  CYS HIS PRO ARG LEU SER LEU HIS ARG PRO ALA LEU GLU
SEQRES   2 E  101  ASP LEU LEU LEU GLY SER GLU ALA ASN LEU THR CYS THR
SEQRES   3 E  101  LEU THR GLY LEU ARG ASP ALA SER GLY ALA THR PHE THR
SEQRES   4 E  101  TRP THR PRO SER SER GLY LYS SER ALA VAL GLN GLY PRO
SEQRES   5 E  101  PRO GLU ARG ASP LEU CYS GLY CYS TYR SER VAL SER SER
SEQRES   6 E  101  VAL LEU PRO GLY CYS ALA GLN PRO TRP ASN HIS GLY GLU
SEQRES   7 E  101  THR PHE THR CYS THR ALA ALA HIS PRO GLU LEU LYS THR
SEQRES   8 E  101  PRO LEU THR ALA ASN ILE THR LYS SER GLY