>1xa4B (B:) SEQRES residues
mhhhhhhgstslykkagsetlyiqgdhlpmpkfgplaglrvvfsgieiagpfagqmfaew
gaeviwienvawadtirvqpnypqlsrrnlhalslnifkdegreaflklmettdifieas
kgpafarrgitdevlwqhnpklviahlsgfgqygteeytnlpayntiaqafsgyliqngd
vdqpmpafpytadyfsgltattaalaalhkvretgkgesidiamyevmlrmgqyfmmdyf
nggemcprmskgkdpyyagcglykcadgyivmelvgitqieecfkdiglahllgtpeipe
gtqlihriecpygplveekldawlathtiaevkerfaelniacakvltvpelesnpqyva
resitqwqtmdgrtckgpnimpkfknnpgqiwrgmpshgmdtaailknigysendiqelv
skglakvedsthhhhhh