>2nsgA (A:) observed residues (from ATOM records)
mttfhdlpleerltlarlgtshysrqlslvdnaefgehsllegwtrshliaavaynaial
cnlmhwantgeetpmyvspearneeiaygstlnpdalrnlhehsvarldvawretsedaw
shevltaqgrtvpasetlwmrsrevwihavdlgavatfgdipevilrtlaaeitqkwtsq
gageglvlldepsstrypaapgqdevvvsgslagivryaagrgsdgvtsstgevpepprw