>4hbtA (A:) observed residues (from ATOM records)
tadvqqklaelerqsggrlgvalintadnsqilyraderfamcstskvmaaaavlkkses
epnllnqrveikksdlvnynpiaekhvngtmslaelsaaalqysdnvamnkliahvggpa
svtafarqlgdetfrldrteptlntaipgdprdttspramaqtlrnltlgkalgdsqraq
lvtwmkgnttgaasiqaglpaswvvgdktgsggygttndiaviwpkdraplilvtyftqp
qpkaesrrdvlasaakivtdgl