>1keyB (B:) SEQRES residues
gspefatmsvseifvelqgflaaeqdireeirkvvqsleqtareiltllqgvhqgtgfqd
ipkrclkarehfstvkthltslktkfpaeqyyrfhehwrfvlqrlvflaafvvyletetl
vtreavteilgiepdrekgfhldvedylsgvlilaselsrlsvnsvtagdysrplhistf
ineldsgfrllnlkndslrkrydglkydvkkveevvydlsirgfnketaaacgek