>5u3yA (A:) observed residues (from ATOM records)
qvadlkafskhiynaylknfnmtkkkarsiltgkashtapfvihdietlwqaekglvwlp
pykeisvhvfyrcqcttvetvreltefaksipsfsslflndqvtllkygvheaifamlas
ivnkdgllvangsgfvtreflrslrkpfsdiiepkfefavkfnalelddsdlalfiaaii
lcgdrpglmnvprveaiqdtilralefhlqanhpdaqylfpkllqkmadlrqlvtehaqm
mqrikktetetslhpllqeiykd