>4yx9D (D:) observed residues (from ATOM records)
aeefpvpngfesayrevdgvklhyvkggqgplvmlvhgfgqtwyewhqlmpelakrftvi
apdlpglgqseppktgysgeqvavylhklarqfspdrpfdlvahdigiwntypmvvknqa
diarlvymeapipdariyrfpaftaqgeslvwhfsffaaddrlaetliagkerfflehfi
kshasntevfserlldlyarsyakphslnasfeyyralnesvrqnaelaktrlqmptmtl
aggghggmgtfqleqmkayaedveghvlpgcghwlpeecaapmnrlvidflsr