>4kkaA (A:) observed residues (from ATOM records)
rrrqlirqllerdktplailfmaavvgtlvglaavafdkgvawlqnqrmgalvhtadnyp
llltvaflcsavlamfgyflvrkyapeaggsgipeiegaledqrpvrwwrvlpvkffggl
gtlgggmvlgragptvqiggnigrmvldifrlkgdearhtllatgaaaglaaafnaplag
ilfiieemrpqfrytlisikavfigvimstimyrifnhevalidvgklsdaplntlwlyl
ilgiifgifgpifnkwvlgmqdllhrvhggnitkwvlmggaigglcgllgfvapatsggg
fnlipiatagnfsmgmlvfifvarvittllcfssgapggifapmlalgtvlgtafgmvav
elfpqyhleagtfaiagmgallaasirapltgiilvlemtdnyqlilpmiitglgatlla
qftggkplysailartlakqeae