>3ivqA (A:) observed residues (from ATOM records)
gsgkvvkfsymwtinnfsfcreemgeviksstfssgaklkwclrvnpkgldeeskdylsl
ylllvscpksevrakfkfsilnakgeetkamesqrayrfvqgkdwgfkkfirrdflldea
ngllpddkltlfcevsvvqd