Chains and heterogens:
PDB Chain Sequences:
>2ukd_ (-) skpnvvfvlggpgsgkgtqcanivrdfgwvhlsagdllrqeqqsgskdgemiatmiknge ivpsivtvkllknaidanqgknflvdgfprneennnsweenmkdfvdtkfvlffdcpeev mtqrllkrgessgrsddniesikkrfntfnvqtklvidhynkfdkvkiipanrdvnevyn dvenlfksmgf