>3znrB (B:) observed residues (from ATOM records)
pfttgliydsvmlkhqcscgdnsrhpehagriqsiwsrlqerglrsqceclrgrkaslee
lqsvhserhvllygtnplsrlkldngklagllaqvmlpcggvgvdtdtiwnelhssnaar
waagsvtdlafkvasrelkngfavvrppghhadhstamgfcffnsvaiacrqlqqqskas
kilivdwdvhhgngtqqtfyqdpsvlyislhrhddgnffpgsgavdevgagsgegfnvnv
awaggldppmgdpeylaafrivvmpiarefspdlvlvsagfdaaeghpaplggyhvsakc
fgymtqqlmnlaggavvlalegghdltaicdaseacvaallgnrvdplseegwkqkpnln
airsleavirvhskywgcmqr