>4grdB (B:) observed residues (from ATOM records)
tahthsaplvgvlmgsssdwdvmkhavailqefgvpyeakvvsahrmpdemfdyaekare
rglraiiagaggaahlpgmlaakttvpvlgvpvaskylkgvdslhsivqmpkgvpvatfa
igeagaanaalfavsilsgnsvdyanrlaafrvrqneaahamvlpple