>1b3qB (B:) observed residues (from ATOM records)
sqtvrvdiekldnlmdlmgelviarsriletlkkynikeldeslshlsritldlqnvvmk
irmvpisfvfnrfprmvrdlakkmnkevnfimrgedteldrtfveeigepllhllrnaid
hgiepkeeriakgkppigtlilsarhegnnvvieveddgrgidkekiirkaiekglides
kaatlsdqeilnflfvpgfstkekvsevsgrgvgmdvvknvveslngsmgiesekdkgtk
vtirlpltlaiicallvkvnnlvyaipianidtilsiskediqrvqdrdvivirgevipv
yrlwevlqimeavivrvgnrkygivvddllgqddivikslgkvfsevkefsgaailgdgs
ialiinvsgi