>3a4vA (A:) observed residues (from ATOM records)
milvtgssgqigtelvpylaekygkknviasdivqrdtggikfitldvsnrdeidravek
ysidaifhlagilsakgekdpalaykvnmngtynileaakqhrvekvvipstigvfgpet
pknkvpsititrprtmygvtkiaaellgqyyyekfgldvrslrypgiisykaeptagttd
yaveifyyavkrekykcylapnralpmmympdalkalvdlyeadrdklvlrngynvtayt
ftpselyskikeripefeieykedfrdkiaatwpesldsseasnewgfsieydldrtidd
midhiseklgi