>4u0xB (B:) SEQRES residues
dntpkdqeikklvdqnfkpllekydvpgmavgviqnnkkyemyyglqsvqdkkavnsnti
felgsvsklftataggyaknkgkisfddtpgkywkelkntpidqvnllqlatytsgnlal
qfpdevqtdqqvltffkdwkpknpigeyrqysnpsiglfgkvvalsmnkpfdqvlektif
palglkhsyvnvpktqmqnyafgynqenqpirvnpgpldapaygvkstlpdmlsfihanl
npqkyptdiqrainethqgryqvntmyqalgweefsypatlqtlldsnseqivmkpnkvt
aiskepsvkmyhktgstsgfgtyvvfipkeniglvmltnkripneerikaayvvlnaikk