Chains and heterogens:
PDB Chain Sequences:
>1ky6A (A:) gspgirlgssednfarfvcknngvlfenqllqiglksefrqnlgrmfifygnktstqfln ftptlicaddlqtnlnlqtkpvdptvdggaqvqqvvniecisdfteapvlniqfryggtf qnvsvklpitlnkffqptemasqdffqrwkqlsnpqqevqnifkakhpmdteitkakiig fgsalleevdpnpanfvgagiihtkttqigcllrlepnlqaqmyrltlrtskdtvsqrlc ellseqf