Chains and heterogens:
PDB Chain Sequences:
>1siwA (A:) skfldrfryfkqkgetfadghgqllntnrdwedgyrqrwqhdkivrsthgvnctgscswk iyvknglvtwetqqtdyprtrpdlpnheprgcprgasyswylysanrlkypmmrkrlmkm wreakalhsdpveawasiiedadkaksfkqargrggfvrsswqevneliaasnvytikny gpdrvagfspipamsmvsyasgarylsliggtclsfydwycdlppaspqtwgeqtdvpes adwynssyiiawgsnvpqtrtpdahfftevrykgtktvavtpdyaeiaklcdlwlapkqg tdaamalamghvmlrefhldnpsqyftdyvrrytdmpmlvmleerdgyyaagrmlraadl vdalgqennpewktvafntngemvapngsigfrwgekgkwnleqrdgktgeetelqlsll gsqdeiaevgfpyfggdgtehfnkvelenvllhklpvkrlqladgstalvttvydltlan yglerglndvncatsyddvkaytpawaeqitgvsrsqiiriarefadnadkthgrsmiiv gaglnhwyhldmnyrglinmlifcgcvgqsgggwahyvgqeklrpqtgwqplafaldwqr parhmnstsyfynhssqwryetvtaeellspmadksrytghlidfnvraermgwlpsapq lgtnpltiageaekagmnpvdytvkslkegsirfaaeqpengknhprnlfiwrsnllgss gkghefmlkyllgtehgiqgkdlgqqggvkpeevdwqdnglegkldlvvtldfrlsstcl ysdiilptatwyekddmntsdmhpfihplsaavdpaweaksdweiykaiakkfsevcvgh lgketdivtlpiqhdsaaelaqpldvkdwkkgecdlipgktaphimvverdypatyerft sigplmekignggkgiawntqsemdllrklnytkaegpakgqpmlntaidaaemiltlap etngqvavkawaalseftgrdhthlalnkedekirfrdiqaqprkiissptwsgledehv synagytnvhelipwrtlsgrqqlyqdhqwmrdfgesllvyrppidtrsvkevigqksng nqekalnfltphqkwgihstysdnllmltlgrggpvvwlseadakdlgiadndwievfns ngaltaravvsqrvpagmtmmyhaqerivnlpgseitqqrggihnsvtritpkpthmigg yahlaygfnyygtvgsnrdefvvvrkmknidwldgegndqvqesvk
>1siwA (A:) skfldrfryfkqkgetfadghgqllntnrdwedgyrqrwqhdkivrsthgvgscswkiyv knglvtwetqqtdyprtrpdlpnheprgcprgasyswylysanrlkypmmrkrlmkmwre akalhsdpveawasiiedadkaksfkqargrggfvrsswqevneliaasnvytiknygpd rvagfspipamsmvsyasgarylsliggtclsfydwycdlppaspqtwgeqtdvpesadw ynssyiiawgsnvpqtrtpdahfftevrykgtktvavtpdyaeiaklcdlwlapkqgtda amalamghvmlrefhldnpsqyftdyvrrytdmpmlvmleerdgyyaagrmlraadlvda lgqennpewktvafntngemvapngsigfrwgekgkwnleqrdgktgeetelqlsllgsq deiaevgfpyfggdgtehfnkvelenvllhklpvkrlqladgstalvttvydltlanygl erglndvncatsyddvkaytpawaeqitgvsrsqiiriarefadnadkthgrsmiivgag lnhwyhldmnyrglinmlifcgcvgqsgggwahyvgqeklrpqtgwqplafaldwqrpar hmnstsyfynhssqwryetvtaeellspmadksrytghlidfnvraermgwlpsapqlgt npltiageaekagmnpvdytvkslkegsirfaaeqpengknhprnlfiwrsnllgssgkg hefmlkyllgtehgiqgkdlgqqggvkpeevdwqdnglegkldlvvtldfrlsstclysd iilptatwyekddmntsdmhpfihplsaavdpaweaksdweiykaiakkfsevcvghlgk etdivtlpiqhdsaaelaqpldvkdwkkgecdlipgktaphimvverdypatyerftsig plmekignggkgiawntqsemdllrklnytkaegpakgqpmlntaidaaemiltlapetn gqvavkawaalseftgrdhthlalnkedekirfrdiqaqprkiissptwsgledehvsyn agytnvhelipwrtlsgrqqlyqdhqwmrdfgesllvyrppidtrsvkevigqksngnqe kalnfltphqkwgihstysdnllmltlgrggpvvwlseadakdlgiadndwievfnsnga ltaravvsqrvpagmtmmyhaqerivnlpgseitqqrggihnsvtritpkpthmiggyah laygfnyygtvgsnrdefvvvrkmknidwldgegndqvqe
>1siwB (B:) mkirsqvgmvlnldkcigchtcsvtcknvwtsregveyawfnnvetkpgqgfptdwenqe kykggwirkingklqprmgnramllgkifanphlpgiddyyepfdfdyqnlhtapegsks qpiarprslitgermakiekgpnweddlggefdklakdknfdniqkamysqfentfmmyl prlcehclnpacvatcpsgaiykreedgivlidqdkcrgwrmcitgcpykkiyfnwksgk sekcifcyprieagqptvcsetcvgrirylgvllydadaieraastenekdlyqrqldvf ldpndpkvieqaikdgiplsvieaaqqspvykmamewklalplhpeyrtlpmvwyvppls piqsaadagelgsngilpdveslripvqylanlltagdtkpvlralkrmlamrhykraet vdgkvdtraleevglteaqaqemyrylaianyedrfvvpsshrelareafpekngcgftf gdgchgsdtkfnlfnsrridaidvtsktephp
>1siwB (B:) mkirsqvgmvlnldkcigchtcsvtcknvwtsregveyawfnnvetkpgqgfptdwenqe kykggwirkingklqprmgnramllgkifanphlpgiddyyepfdfdyqnlhtapegsks qpiarprslitgermakiekgpnweddlggefdklakdknfdniqkamysqfentfmmyl prlcehclnpacvatcpsgaiykreedgivlidqdkcrgwrmcitgcpykkiyfnwksgk sekcifcyprieagqptvcsetcvgrirylgvllydadaieraastenekdlyqrqldvf ldpndpkvieqaikdgiplsvieaaqqspvykmamewklalplhpeyrtlpmvwyvppls piqsaadagelgsngilpdveslripvqylanlltagdtkpvlralkrmlamrhykraet vdgkvdtraleevglteaqaqemyrylaianyedrfvvpsshrelareafpekngcgftf gdgchgsdtkfnlfnsrridaidvtskt
>1siwC (C:) mqflnmfffdiypyiagavfligswlrydygqytwraassqmldrkgmnlasnlfhigil gifvghffgmltphwmyeawlpievkqkmamfaggasgvlcliggvlllkrrlfsprvra tttgadililsllviqcalglltipfsaqhmdgsemmklvgwaqsvvtfhggasqhldgv afifrlhlvlgmtlfllfpfsrlihiwsvpveyltrkyqlvrarh
>1siwC (C:) mqflnmfffdiypyiagavfligswlrydygqytwraassqmldrkgmnlasnlfhigil gifvghffgmltawlpievkqkmamfaggasgvlcliggvlllkrrlfsprvratttgad ililsllviqcalglltipfsaqhmdgsemmklvgwaqsvvtfhggasqhldgvafifrl hlvlgmtlfllfpfsrlihiwsvpveyltrkyqlvrarh