>3zyaA (A:) observed residues (from ATOM records)
shmlemsqerptfyrqelnktiwevperyqnlspvgsgaygsvcaafdtktglrvavkkl
srpfqsiihakrtyrelrllkhmkhenviglldvftparsleefndvylvthlmgadlnn
ivkcqkltddhvqfliyqilrglkyihsadiihrdlkpsnlavnedcelkildfglatrw
yrapeimlnwmhynqtvdiwsvgcimaelltgrtlfpgtdhidqlklilrlvgtpgaell
kkissesarnyiqsltqmpkmnfanvfiganplavdllekmlvldsdkritaaqalahay
faqyhdpddepvadpydqsfesrdllidewksltydevisfvpppl