>4c2pA (A:) observed residues (from ATOM records)
deaeaskfveeydrtsqvvwneyaeanwnyntnittetskillqknmqianhtlkygtqa
rkfdvnqlqnttikriikkvqdleraalpaqeleeynkilldmettysvatvchpngscl
qlepdltnvmatsrkyedllwawegwrdkagrailqfypkyvelinqaarlngyvdagds
wrsmyetpsleqdlerlfqelqplylnlhayvrralhrhygaqhinlegpipahllgnmw
aqtwsniydlvvpfpsapsmdtteamlkqgwtprrmfkeaddfftslgllpvppefwnks
mlekptdgrevvchasawdfyngkdfrikqcttvnledlvvahhemghiqyfmqykdlpv
alreganpgfheaigdvlalsvstpkhlhslnllssdehdinflmkmaldkiafipfsyl
vdqwrwrvfdgsitkenynqewwslrlkyqglcppvprtqgdfdpgakfhipssvpyiky
fvsfiiqfqfhealcqaaghtgplhkcdiyqskeagqrlatamklgfsrpwpeamqlitg
qpnmsasamlsyfkplldwlrtenelhgeklgwpqynwtpns