>6i07B (B:) observed residues (from ATOM records)
divmtqsplslpvtpgepasiscrstksllhsdgitylywylqkpgqspqlliyqlsnla
sgvpdrfsssgsgtdftlkisrveaedegvyycaqnleiprtfgcgtkleiqvqlvqsga
evkkpgesvkisckasgytftnygmnwvrqqpgqclkwmgwintytgestyaddfkgrfa
fsldtsastaylqlsslrsedtavyfcarfaikgdywgqgtlvtvs