>4grdC (C:) observed residues (from ATOM records)
tahthsaplvgvlmgsssdwdvmkhavailqefgvpyeakvvsahrmpdemfdyaekare
rglraiiagaggaahlpgmlaakttvpvlgvpvaskylkgvdslhsivqmpkgvpvatfa
igeagaanaalfavsilsgnsvdyanrlaafrvrqneaahamvlpple