>1xm3B (B:) observed residues (from ATOM records)
smltiggksfqsrlllgtgkypsfdiqkeavavsesdiltfavrrmnifeasqpnfleql
dlskytllpntagastaeeavriarlakasglcdmikvevigcsrsllpdpvetlkaseq
lleegfivlpytsddvvlarkleelgvhaimpgaspigsgqgilnplnlsfiieqakvpv
ivdagigspkdaayamelgadgvllntavsgaddpvkmaramklaveagrlsyeagripl
kqygtasspge