>1ur4B (B:) observed residues (from ATOM records)
glyvekvsglrkdfikgvdvssiialeesgvafynesgkkqdifktlkeagvnyvrvriw
ndpydangngygggnndlekaiqigkratangmklladfhysdfwadpakqkapkawanl
nfedkktalyqytkqslkamkaagidigmvqvgnetngglagetdwakmsqlfnagsqav
retdsnilvalhftnpetsgryawiaetlhrhhvdydvfassyypfwhgtlknltsvlts
vadtygkkvmvaetsytytaedgdghgntapkngqtlnnpvtvqgqanavrdviqavsdv
geagigvfywepawipvgpahrleknkalwetygsgwatsyaaeydpedagkwfggsavd
nqalfdfkgrplpslhvfqyvdtgtpfk