>2x23B (B:) observed residues (from ATOM records)
tglldgkrilvsgiitdssiafhiarvaqeqgaqlvltgfdrlrliqritdrlpakapll
eldvqneehlaslagrvteaigagnkldgvvhsigfmpqtgmginpffdapyadvskgih
isaysyasmakallpimnpggsivgmdfdpsrampaynwmtvaksalesvnrfvareagk
ygvrsnlvaagpirtlamsaivggalgeeagaqiqlleegwdqrapigwnmkdatpvakt
vcallsdwlpattgdiiyadggahtqll