>4jvqA (A:) observed residues (from ATOM records)
smsytwtgalitpcaaeesklpinplsnsllrhhnmvyattsrsaslrqkkvtfdrlqvl
ddhyrdvlkemkakastvkakllsieeackltpphsakskfgygakdvrnlssravnhir
svwedlledtetpidttimaksevfcvqpgrkparlivfpdlgvrvcekmalydvvstlp
qavmgssygfqyspkqrveflvntwkskkcpmgfsydtrcfdstvtesdirveesiyqcc
dlapearqairslterlyiggpltnskgqncgyrrcrasgvlttscgntltcylkataac
raaklqdctmlvngddlvvicesagtqedaaalrafteamtrysappgdppqpeydleli
tscssnvsvahdasgkrvyyltrdpttplaraawetarhtpinswlgniimyaptlwarm
ilmthffsillaqeqlekaldcqiygacysiepldlpqiierlhglsaftlhsyspgein
rvasclrklgvpplrtwrhrarsvrakllsqggraatcgrylfnwavrtklkltpipaas
qldlsgwfvagysggdiyhs