Chains and heterogens:
PDB Chain Sequences:
>2yhxA (A:) aaaxdxslvevhxxvfivppxilqavvsilttrxddxdssaasipmvpgwvlkqvsgaqa gsflaivmgggdlevilislagrqessixasrslaaamsttaipsdlwgnxaxsnaafss xefssxagsvplgftfxeagakexvikgqitxqaxafslaxlxklisamxnaxfpagdxx xsvadixdshgilxxvnytdaxikmgiifgsgvnaaywcdstxigdaadggxxggagxmx iccdqssfrkafpslpqixylxtlnxxspxaxktfxknsxaknxgqslrdvlmxfkxxgq xhxxxaxsfxaanventsypakiqklphfdlrxxxdlfxgdqgiaxktxmkxvvrrxlfl iaayafrlvvcxixaicqkkgyssghiaaxgsxrsysgfsxnsatxnxniygwpqsaxxs kpixitpaidgxgaasxvixsiasaxxsxaxxsaxxa