PDB Chain Sequences:

• Chain 'A':
  Sequence; same for both SEQRES and ATOM records: (download)
  

  >1heiA (A:)
  nssppavpqsfqvahlhaptgsgkstkvpaayaaqgykvlvlnpsvaatlgfgaymskah
  gvdpnirtgvrtittgspitystygkfladggcsggaydiiicdechstdatsilgigtv
  ldqaetagarlvvlatatppgsvtvshpnieevalsttgeipfygkaiplevikggrhli
  fchskkkcdelaaklvalginavayyrgldvsviptngdvvvvstdalmtgftgdfdsvi
  dcntcvtqtvdfsldptftietttlpqdavsrtqrrgrtgrgkpgiyrfvapgerpsgmf
  dssvlcecydagcawyelmpaettvrlraymntpglpvcqdhlefwegvftglthidahf
  lsqtkqsgenfpylvayqatvcaraqapppswdqmwkclirlkptlhgptpllyrlgavq
  nevtlthpitkyimtcmsadlev
  

  
  
• Chain 'B':
  Sequence, based on SEQRES records: (download)
  

  >1heiB (B:)
  ssppavpqsfqvahlhaptgsgkstkvpaayaaqgykvlvlnpsvaatlgfgaymskahg
  vdpnirtgvrtittgspitystygkfladggcsggaydiiicdechstdatsilgigtvl
  dqaetagarlvvlatatppgsvtvshpnieevalsttgeipfygkaiplevikggrhlif
  chskkkcdelaaklvalginavayyrgldvsviptngdvvvvstdalmtgftgdfdsvid
  cntcvtqtvdfsldptftietttlpqdavsrtqrrgrtgrgkpgiyrfvapgerpsgmfd
  ssvlcecydagcawyelmpaettvrlraymntpglpvcqdhlefwegvftglthidahfl
  sqtkqsgenfpylvayqatvcaraqapppswdqmwkclirlkptlhgptpllyrlgavqn
  evtlthpitkyimtcmsadle
  

  
  Sequence, based on observed residues (ATOM records): (download)
  

  >1heiB (B:)
  ssppavpqsfqvahlhaptgsgkstkvpaayaaqgykvlvlnpsvgspitystygkflad
  ggcsggaydiiicdechstdatsilgigtvldqaetagarlvvlatatppgsvtvshpni
  eevalsttgeipfygkaiplevikggrhlifchskkkcdelaaklvalginavayyrgld
  vsviptngdvvvvstdalmtgftgdfdsvidcntcvtqtvdfsldptftietttlpqdav
  srtqrrgrtgrgkpgiyrfvapgerpsgmfdssvlcecydagcawyelmpaettvrlray
  mntpglpvcqdhlefwegvftglthidahflsqtkqsgenfpylvayqatvcaraqappp
  swdqmwkclirlkptlhgptpllyrlgavqnevtlthpitkyimtcmsadle