>3w07A (A:) observed residues (from ATOM records)
vmnrlilamdlmnrddalrvtgevreyidtvkigyplvlsegmdiiaefrkrfgcriiad
fkvadipetnekicratfkagadaiivhgfpgadsvraclnvaeemgrevflltemshpg
aemfiqgaadeiarmgvdlgvknyvgpstrperlsrlreiigqdsflispgvgaqggdpg
etlrfadaiivgrsiyladnpaaaaagiiesikdl