>2b4gB (B:) observed residues (from ATOM records)
mslkvnilghefsnpfmnaagvlctteedlrrmtesesgsligksctlaprtgnpepryf
glplgsinsmglpnlgvdfylsyaaqthdysrkplflsmsglsveesvemvkklvpitke
kgtilelnlscpnvpgkpqvgydfdttrtylqkvseayglpfgvkmppyfdiahfdmaaa
vlndfplvkfitcvnsignglvidpanetvvikpkqgfgglggkyvlptalanvnaffrr
cpdklvfgcggvysgeeaflhilagasmvqvgtalhdegpiifarlnkelqeimtnkgyk
tldefrgrvktmd