Chains and heterogens:
PDB Chain Sequences:
>3bujA (A:) vtafdptdadvrrdpypsyhwllrhdpvhrgahrvwyvsrfadvravlgderfartgirr fwtdlvgpgllaeivgdiilfqdepdhgrlrgvvgpafspsalrrlepviagtvddllrp alargamdvvdelayplalravlgllglpaadwgavgrwsrdvgrtldrgasaedmrrgh aaiaefadyveralarrrreggedllalmldahdrglmsrneivstvvtfiftghetvas qvgnavlsllahpdqldllrrrpdllaqaveeclrydpsvqsntrqldvdvelrgrrlrr ddvvvvlagaanrdprrydrpddfdierdpvpsmsfgagmryclgsylartqlraavaal arlpglrlgcasdalayqprtmfrglaslpiaftpgg