>2xqrD (D:) observed residues (from ATOM records)
nlvettckntpnyqlclktllsdkrsatgdittlalimvdaikakanqaavtisklrhsn
ppaawkgplkncafsykviltaslpeaiealtkgdpkfaedgmvgssgdaqeceeyfkgs
kspfsalniavhelsdvgraivrnll