>1rqiB (B:) observed residues (from ATOM records)
dfpqqleacvkqanqalsrfiaplpfqntpvvetmqygallggkrlrpflvyatghmfgv
stntldapaaavecihayslihddlpamddddlrrglptchvkfgeanailagdalqtla
fsilsdadmpevsdrdrismiselasasgiagmcggqaldldaegkhvpldalerihrhk
tgaliraavrlgalsagdkgrralpvldkyaesiglafqvqddildvvgdtatlgkrqga
dqqlgkstypallgleqarkkardliddarqslkqlaeqsldtsalealadyiiqrnk