Chains and heterogens:
PDB Chain Sequences:
>1j71A (A:) sdvpttlinegpsyaadivvgsnqqkqtvvidtgssdlwvvdtdaecqvtysgqtnnfck qegtfdpsssssaqnlnqdfsieygdltssqgsfykdtvgfggisiknqqfadvtttsvd qgimgigftadeagynlydnvpvtlkkqgiinknayslylnsedastgkiifggvdnaky tgtltalpvtssvelrvhlgsinfdgtsvstnadvvldsgttityfsqstadkfarivga twdsrneiyrlpscdlsgdavfnfdqgvkitvplselilkdsdssicyfgisrndanilg dnflrrayivydlddktislaqvkytsssdisal