>4cpmB (B:) observed residues (from ATOM records)
epewtyprlscpgstfqkallisphrfgetkgnsapliirepfiacgpneckhfalthya
aqpggyyngtrgdrnklrhlisvklgkiptvensifhmaawsgsachdgkewtyigvdgp
dnnallkvkygeaytdtyhsyankilrtqesacnciggncylmitdgsasgvsecrflki
regriikeifptgrvkhteectcgfasnktiecacrdnsytakrpfvklnvetdtaeirl
mctdtyldtprpndgsitgpcesngdkgsggikggfvhqrmeskigrwysrtmsktermg
mglyvkydgdpwadsdalafsgvmvsmkepgwysfgfeikdkkcdvpcigiemvhdggke
twhsaataiyclmgsgqllwdtvtgvdmal