>5u43A (A:) observed residues (from ATOM records) pqvadlkafskhiynaylknfnmtkkkarsiltgkapfvihdietlwqaekglvwkqlvn glppykeisvhvfyrcqcttvetvreltefaksipsfsslflndqvtllkygvheaifam lasivnkdgllvangsgfvtreflrslrkpfsdiiepkfefavkfnalelddsdlalfia aiilcgdrpglmnvprveaiqdtilralefhlqanhpdaqylfpkllqkmadlrqlvteh aqmmqrikktetetslhpllqeiykd