Chains and heterogens:
PDB Chain Sequences:
>1yja_ (-) aqsvpygvsqikapalhsqgytgsnvkvavidsgidsshpdlkvaggasfvpsetnpfqd nnshgthvagtvaaldnsigvlgvapsaslyavkvlgadgsgqyswiingiewaiannmd vinmslggpsgsaalkaavdkavasgvvvvaaagnegtsgssstvgypakypsviavgav dssnqrasfssvgpeldvmapgvsicstlpgnkygaysgtsmasphvagaaalilskhpn wtntqvrsslentttylgdsfyygkglinvqaaaq