>4fj1D (D:) observed residues (from ATOM records)
tyipgrldgkvalvtgsgrgigaavavhlgrlgakvvvnyanstkdaekvvseikalgsd
aiaikadirqvpeivklfdqavahfghldiavsnsgvvsfghlkdvteeefdrvfslntr
gqffvareayrhlteggrivltssntskdfsvpkhslysgskgavdsfvrifskdcgdkk
itvnavapggtvtdmfhevshhyipngtsytaeqrqqmaahasplhrngwpqdvanvvgf
lvskegewvngkvltldggaa