>3prvB (B:) SEQRES residues
hhhhhhmtsertfiavkpdgvqrclvgeiiqrfekkgyklvalkmlqpsaeqaqqhyidl
askpfykdlvayfssgpivgmvwegkgvvkggrvllgatnpadslpgtirgdfavdvgrn
vchgsdsvdsakreiafwfkpeelvnwtshsvkqvye