>1gxrB (B:) observed residues (from ATOM records)
dyfqgamgskpaysfhvmqpvpfppdaligpgiprharqintlnhgevvcavtisnptrh
vytggkgcvkvwdishkspvsqldclnrdnyirsckllpdgctlivggeastlsiwdlap
rikaeltssapacyalaispdskvcfsccsdgniavwdlhnqtlvrqfqghtdgascidi
sndgtklwtggldntvrswdlregrqlqqhdftsqifslgycptgewlavgmessnvevl
hkpdkyqlhlhescvlslkfaycgkwfvstgkdnllnawrtpygasifqskesssvlscd
isvddkyivtgsgdkkatvyeviy