>4um9A (A:) observed residues (from ATOM records)
fnldvdspaeysgpegsyfgfavdffvpsassrmfllvgapkanttqpgiveggqvlkcd
wsstrrcqpiefdatgnrdyakddplefkshqwfgasvrskqdkilacaplyhwrtemkq
erepvgtcflqdgtktveyapcrsqdidadgqgfcqggfsidftkadrvllggpgsfywq
gqlisdqvaeivskydpnvysikynnqlatrtaqaifddsylgysvavgdfngdgiddfv
sgvpraartlgmvyiydgknmsslynftgeqmaayfgfsvaatdingddyadvfigaplf
mdrgsdgklqevgqvsvslqrasgdfqttklngfevfarfgsaiaplgdldqdgfndiai
aapyggedkkgivyifngrstglnavpsqilegqwaarscppsfgysmkgatdidkngyp
dlivgafgvdrailyrarpvitvnaglevypsilnqdnktcslpgtalkvscfnvrfclk
adgkgvlprklnfqvellldklkqkgairralflysrspshsknmtisrgglmqceelia
ylrdesefrdkltpitifmeyrldyrtaadttglqpilnqftpanisrqahill