>3g1xB (B:) observed residues (from ATOM records)
vmnrlilamdlmnrddalrvtgevreyidtvkigyplvlsegmdiiaefrkrfgcriiag
fkvadipetnekicratfkagadaiivhgfpgadsvraclnvaeemgrevflltemshpg
aemfiqgaadeiarmgvdlgvknyvgpstrperlsrlreiigqdsflispgvgaqggdpg
etlrfadaiivgrsiyladnpaaaaagiiesik