Chains and heterogens:
PDB Chain Sequences:
>3wlkX (X:) dyvlykdatkpvedrvadllgrmtlaekigqmtqierlvatpdvlrdnfigsllsgggsv prkgatakewqdmvdgfqkacmstrlgipmiygidavhgqnnvygatifphnvglgatrd pylvkrigeatalevratgiqyafapciavcrdprwgrcyesysedrrivqsmtelipgl qgdvpkdftsgmpfvagknkvaacakhfvgdggtvdginenntiinreglmnihmpaykn amdkgvstvmisysswngvkmhanqdlvtgylkdtlkfkgfvisdwegidrittpagsdy sysvkasilagldmimvpnkyqqfisiltghvnggvipmsriddavtrilrvkftmglfe npyadpamaeqlgkqehrdlareaarkslvllkngktstdapllplpkkapkilvagsha dnlgyqcggwtiewqgdtgrttvgttileavkaavdpstvvvfaenpdaefvksggfsya ivavgehpytetkgdnlnltipepglstvqavcggvrcatvlisgrpvvvqpllaasdal vaawlpgsegqgvtdalfgdfgftgrlprtwfksvdqlpmnvgdahydplfrlgyglttn atkky
>3wlkX (X:) dyvlykdatkpvedrvadllgrmtlaekigqmtqierlvatpdvlrdnfigsllsgggsv prkgatakewqdmvdgfqkacmstrlgipmiygidavhgqnnvygatifphnvglgatrd pylvkrigeatalevratgiqyafapciavcrdprwgrcyesysedrrivqsmtelipgl qgdvpkdftsgmpfvagknkvaacakhfvgdggtvdginenntiinreglmnihmpaykn amdkgvstvmisysswngvkmhanqdlvtgylkdtlkfkgfvisdwegidrittpagsdy sysvkasilagldmimvpnkyqqfisiltghvnggvipmsriddavtrilrvkftmglfe npyadpamaeqlgkqehrdlareaarkslvllkngktstdapllplpkkapkilvagsha dnlgyqcggwtiewqgdtgrttvgttileavkaavdpstvvvfaenpdaefvksggfsya ivavgehpytetkgdnlnltipepglstvqavcggvrcatvlisgrpvvvqpllaasdal vaawlpgsegqgvtdalfgdfgftgrlprtwfksvdqlpmnvgdahydplfrlgyglttn at