Chains and heterogens:
PDB Chain Sequences:
>1hkgA (A:) aasxdxslvevhxxvfivppxilqavvsiattrxddxdsaaasipmvpgwvlkqvxgsqa gsflaivmgggdlevilixlagyqessixasrslaasmxttaipsdlwgnxaxsnaafss xefssxagsvplgftfxeagakexvikgqitxqaxafslaxlxklisamxnaxfpagdxx xxvadixdshgilxxvnytdaxikmgiifgsgvnaaywcdstxiadaadagxxggagxmx vccxqdsfrkafpslpqixyxxtlnxxspxaxktfeknsxaknxgqslrdvlmxykxxgq xhxxxaxdfxaanvenssypakiqklphfdlrxxxdlfxgdqgiaxktxmkxvvrrxlfl iaayafrlvvcxixaicqkkgyssghiaaxgsxrdysgfsxnsatxnxniygwpqsaxxs kpixitpaidgegaaxxvixsiassqxxxaxxsaxxa