>2b3jA (A:) observed residues (from ATOM records)
mtndiyfmtlaieeakkaaqlgevpigaiitkddeviarahnlretlqqptahaehiaie
raakvlgswrlegctlyvtlepcvmcagtivmsriprvvygaddpkggcsgslmnllqqs
nfnhraivdkgvlkeacstllttffknlran