>3ngtM (M:) observed residues (from ATOM records)
sertfiavkpdgvqrglvgeiiarferkgyklvalkilqptteqaqghykdlcskpffpa
lvkyfssgpivcmvwegknvvksgrvllgatnpadsqpgtirgdfavdvgrnvchgsdsv
esaereiafwfkadeiaswtshsvsqiye