>1s1iB (B:) observed residues (from ATOM records)
grvirnqrkgagsiftshtrlrqgaaklrtldyaerhgyirgivkqivhdsgrgaplakv
vfrdpykyrlreeifianegvhtgqfiyagkkaslnvgnvlplgsvpegtivsnveekpg
drgalarasgnyviiighnpdenktrvrlpsgakkvissdargvigviagggrvdkpllk
agrafhkyrlkrnswpktrgvamnpvdhphgggnhqhigkastisrgavsgqkagliaar
rtgl