>2b4gA (A:) observed residues (from ATOM records)
slkvnilghefsnpfmnaagvlctteedlrrmtesesgsligksctlaprtgnpepryfg
lplgsinsmglpnlgvdfylsyaaqthdysrkplflsmsglsveesvemvkklvpitkek
gtilelnlscpnvpgkpqvgydfdttrtylqkvseayglpfgvkmppyfdiahfdmaaav
lndfplvkfitcvnsignglvidpanetvvikpkqgfgglggkyvlptalanvnaffrrc
pdklvfgcggvysgeeaflhilagasmvqvgtalhdegpiifarlnkelqeimtnkgykt
ldefrgrvktmd