Chains and heterogens:
PDB Chain Sequences:
>1vr2A (A:) lpydaskwefprdrlklgkplgrgafgqvieadafgidktatcrtvavkmlkegathseh ralmselkilihighhlnvvnllgactkpggplmvivefckfgnlstylrskrnefvpyk vapedlykdfltlehlicysfqvakgmeflasrkcihrdlaarnillseknvvkicdfgl ardiykdpdyvrkgdarlplkwmapetifdrvytiqsdvwsfgvllweifslgaspypgv kideefcrrlkegtrmrapdyttpemyqtmldcwhgepsqrptfselvehlgnllqana
>1vr2A (A:) lpydaskwefprdrlklgkplgrgafgqvieadafgidktatcrtvavkmlkegathseh ralmselkilihighhlnvvnllgactkpggplmvivefckfgnlstylrskrnefvpyk dfltlehlicysfqvakgmeflasrkcihrdlaarnillseknvvkicdfdarlplkwma petifdrvytiqsdvwsfgvllweifslgaspypgvkideefcrrlkegtrmrapdyttp emyqtmldcwhgepsqrptfselvehlgnllqana