>1ln3B (B:) observed residues (from ATOM records)
fseeqfweacaelqqpalagadwqllvetsgisiyrlldkktglyeykvfgvledcsptl
ladiymdsdyrkqwdqyvkelyeqecngetvvywevkypfpmsnrdyvylrqrrdldmeg
rkihvilarstsmpqlgersgvirvkqykqslaiesdgkkgskvfmyyfdnpggqipswl
inwaakngvpnflkdmaracqny