Chains and heterogens:
PDB Chain Sequences:
>1yi21 (1:) mtgagtpsqgkknttthtkcrrcgeksyhtkkkvcsscgfgksakrrdyewqskage
>1yi21 (1:) tgagtpsqgkknttthtkcrrcgeksyhtkkkvcsscgfgksakrrdyewqskage
>1yi22 (2:) mgkkskatkkrlakldnqnsrvpawvmlktdrevqrnhkrrhwrrndtde
>1yi22 (2:) gkkskatkkrlakldnqnsrvpawvmlktdrrnhkrrhwrrndtde
>1yi23 (3:) mqmprrfntycphcnehqehevekvrsgrqtgmkwidrqrernsgigndgkfskvpggdk ptkktdlkyrcgecgkahlregwragrlefqe
>1yi2A (A:) mgrriqgqrrgrgtstfrapshrykadlehrkvedgdviagtvvdiehdparsapvaave fedgdrrlilapegvgvgdelqvgvsaeiapgntlplaeipegvpvcnvesspgdggkfa rasgvnaqllthdrnvavvklpsgemkrldpqcratigvvagggrtdkpfvkagnkhhkm kargtkwpnvrgvamnavdhpfggggrqhpgkpksisrnappgrkvgdiaskrtgrggne
>1yi2A (A:) grriqgqrrgrgtstfrapshrykadlehrkvedgdviagtvvdiehdparsapvaavef edgdrrlilapegvgvgdelqvgvsaeiapgntlplaeipegvpvcnvesspgdggkfar asgvnaqllthdrnvavvklpsgemkrldpqcratigvvagggrtdkpfvkagnkhhkmk argtkwpnvrgvamnavdhpfggggrqhpgkpksisrnappgrkvgdiaskrtgrgg
>1yi2B (B:) mpqpsrprkgslgfgprkrstsetprfnswpsddgqpgvqgfagykagmthvvlvndepn spregmeetvpvtvietppmravalrayedtpygqrpltevwtdefhseldrtldvpedh dpdaaeeqirdaheagdlgdlrlithtvpdavpsvpkkkpdvmetrvgggsvsdrldhal divedggehamndifrageyadvagvtkgkgtqgpvkrwgvqkrkgkharqgwrrrignl gpwnpsrvrstvpqqgqtgyhqrtelnkrlidigegdeptvdggfvnygevdgpytlvkg svpgpdkrlvrfrpavrpndqprldpevryvsnesnqg
>1yi2B (B:) pqpsrprkgslgfgprkrstsetprfnswpsddgqpgvqgfagykagmthvvlvndepns pregmeetvpvtvietppmravalrayedtpygqrpltevwtdefhseldrtldvpedhd pdaaeeqirdaheagdlgdlrlithtvpdavpsvpkkkpdvmetrvgggsvsdrldhald ivedggehamndifrageyadvagvtkgkgtqgpvkrwgvqkrkgkharqgwrrrignlg pwnpsrvrstvpqqgqtgyhqrtelnkrlidigegdeptvdggfvnygevdgpytlvkgs vpgpdkrlvrfrpavrpndqprldpevryvsnesnqg
>1yi2C (C:) mqatiydldgntdgevdlpdvfetpvrsdligkavraaqanrkqdygsdeyaglrtpaes fgsgrgqahvpkldgrarrvpqavkgrsahppktekdrsldlndkerqlavrsalaatad adlvadrghefdrdevpvvvsddfedlvktqevvsllealdvhadidradetkikagqgs argrkyrrpasilfvtsdepstaarnlagadvatasevntedlapggapgrltvftesal aevaer
>1yi2D (D:) mssesesggdfhemrepriekvvvhmgighggrdlanaedilgeitgqmpvrtkakrtvg efdiregdpigakvtlrdemaeeflqtalplaelatsqfddtgnfsfgveehtefpsqey dpsigiygldvtvnlvrpgyrvakrdkasrsiptkhrlnpadavafiestydvevse
>1yi2D (D:) fhemrepriekvvvhmgighanaedilgeitgqmpvrtkakrtvgefdiregdpigakvt lrdemaeeflqtalplaelatsqfddtgnfsfgldvtvnlvrpgyrvakrdkasrsiptk hrlnpadavafiestydvev
>1yi2E (E:) mprveleipedvdaeqdhlditvegdngsvtrrlwypdidvsvdgdtvviesdednaktm stigtfqshienmfhgvtegweygmevfyshfpmqvnvegdevvienflgekaprrttih gdtdveidgeeltvsgpdieavgqtaadieqltrindkdvrvfqdgvyitrkpnrgda
>1yi2E (E:) prveleipedvdaeqdhlditvegdngsvtrrlwypdidvsvdgdtvviesdednaktms tigtfqshienmfhgvtegweygmevfyshfpmqvnvegdevvienflgekaprrttihg dtdveidgeeltvsgpdieavgqtaadieqltrindkdvrvfqdgvyitrkp
>1yi2F (F:) mpvyvdfdvpadleddalealevardtgavkkgtnettksiergsaelvfvaedvqpeei vmhipeladekgvpfifveqqddlghaaglevgsaaaavtdageadadvediadkveelr
>1yi2F (F:) pvyvdfdvpadleddalealevardtgavkkgtnettksiergsaelvfvaedvqpeeiv mhipeladekgvpfifveqqddlghaaglevgsaaaavtdageadadvediadkveelr
>1yi2G (G:) msaeserktetipewkqeevdaivemiesyesvgvvniagipsrqlqdmrrdlhgtaelr vsrntlleralddvddgledlngyitgqvgligtddnpfslfqeleasktpapigageva pndivipegdtgvdpgpfvgelqsvgadariqegsiqvlsdstvldtgeevsqelsnvln elgiepkevgldlravfadgvlfepeeleldideyrsdiqaaagrafnlsvnadyptatt aptmlqsdrgnakslalqaaiedpevvpdlvskadaqvralasqiddeealpeelqgvea dvateeptddqdddtaseddadaddaaeeadddddddedagdalgamf
>1yi2G (G:) ipewkqeevdaivemiesrntlleraldd
>1yi2H (H:) msdkpasmyrdidkpaytrreyitgipgskiaqhkmgrkqkdaddypvqisliveetvql rhgsleasrlsanrhlikelgeegdykmtlrkfphqvlrenkqatgagadrvsdgmraaf gkivgtaarvqageqlftaycnvedaehvkeafrraynkitpscrikvergeellia
>1yi2H (H:) kpasmyrdidkpaytrreyitgipgskiaqhkmgrkqkdaddypvqisliveetvqlrhg sleasrlsanrhlikelgeegdykmtlrkfphqvlrenkdgmraafgkivgtaarvqage qlftaycnvedaehvkeafrraynkitpscrikvergeel
>1yi2I (I:) magtievlvpggeanpgpplgpelgptpvdvqavvqeindqtaafdgtevpvtvkydddg sfeievgvpptaelikdeagfetgsgepqedfvadlsvdqvkqiaeqkhpdllsydltna akevvgtctslgvtiegenprefkeridageyddvfaaeaqa
>1yi2I (I:) gvpptaelikdeagfetgsgepqedfvadlsvdqvkqiaeqkhpdllsydltnaakevvg tctslgvtie
>1yi2J (J:) msvaefdadvivdardcimgrvasqvaeqaldgetvavvnaeravitgreeqivekyekr vdigndngyfypkrpdgifkrtirgmlphkkqrgreafesvrvylgnpydedgevldgts ldrlsnikfvtlgeisetlganktw
>1yi2J (J:) aefdadvivdardcimgrvasqvaeqaldgetvavvnaeravitgreeqivekyekrvdi gndngyfypkrpdgifkrtirgmlphkkqrgreafesvrvylgnpydedgevldgtsldr lsnikfvtlgeisetlganktw
>1yi2K (K:) mealgadvtqglekgslitcadntgarelkvisvhgysgtknrlpkaglgdkitvsvtkg tpemrrqvleavvvrqrkpirrpdgtrvkfednaavivdenedprgtelkgpiarevaqr fgsvasaatmiv
>1yi2L (L:) mtskkkrqrgsrthgggshknrrgaghrggrgdagrdkhefhnheplgksgfkrpqkvqe eaatidvreidenvtllaaddvaevedggfrvdvrdvveeaddadyvkvlgagqvrhelt liaddfsegarekvegaggsveltdlgeerqaeaeetedadadee
>1yi2L (L:) tskkkrqrgsrthgggshknrrgaghrggrgdagrdkhefhnheplgksgfkrpqkvqee aatidvreidenvtllaaddvaefrvdvrdvveeaddadyvkvlgagqvrheltliaddf segarekvegaggsveltdlgeerq
>1yi2M (M:) marsaysyirdawenpgdgqlaelqwqrqqewrnegaverierptrldkarsqgykakqg vivarvsvrkgsarkrrhkagrrskrqgvtritrrkdiqrvaeerasrtfpnlrvlnsys vgqdgrqkwhevilidpnhpaiqndddlswicaddqadrvfrgltgagrrnrglsgkgkg sektrpslrsnggkg
>1yi2M (M:) arsaysyirdawenpgdgqlaelqwqrqqewrnegaverierptrldkarsqgykakqgv ivarvsvrkgsarkrrhkagrrskrqgvtritrrkdiqrvaeerasrtfpnlrvlnsysv gqdgrqkwhevilidpnhpaiqndddlswicaddqadrvfrgltgagrrnrglsgkgkgs ektrpslrsnggkg
>1yi2N (N:) matgprykvpmrrrreartdyhqrlrllksgkprlvarksnkhvraqlvtlgpngddtla sahssdlaeygweaptgnmpsayltgllaglraqeagveeavldiglnsptpgskvfaiq egaidagldiphnddvladwqrtrgahiaeydeqleeplysgdfdaadlpehfdelretl ldgdiel
>1yi2N (N:) atgprykvpmrrrreartdyhqrlrllksgkprlvarksnkhvraqlvtlgpngddtlas ahssdlaeygweaptgnmpsayltgllaglraqeagveeavldiglnsptpgskvfaiqe gaidagldiphnddvladwqrtrgahiaeydeqleeplysgdfdaadlpehfdelretll dgdiel
>1yi2O (O:) msktnprlssliadlksaarssggavwgdvaerlekprrthaevnlgrieryaqedetvv vpgkvlgsgvlqkdvtvaavdfsgtaetkidqvgeavsleqaiennpegshvrvir
>1yi2O (O:) sktnprlssliadlksaarssggavwgdvaerlekprrthaevnlgrieryaqedetvvv pgkvlgsgvlqkdvtvaavdfsgtaetkidqvgeavsleqaiennpegshvrvir
>1yi2P (P:) mtdlsaqkrlaadvldvgknrvwfnperqgdiadaitredvrelvdegaiqakdkkgnsr grarerqkkrayghqkgagsrkgkagarqnskedwesriraqrtklrelrdegtlsssqy rdlydkagggefdsvadleryidanhgda
>1yi2P (P:) tdlsaqkrlaadvldvgknrvwfnperqgdiadaitredvrelvdegaiqakdkkgnsrg rarerqkkrayghqkgagsrkgkagarqnskedwesriraqrtklrelrdegtlsssqyr dlydkagggefdsvadleryida
>1yi2Q (Q:) mpssngplegtrgklknkprdrgtsppqraveefddgekvhlkidpsvpngrfhprfdgq tgtvegkqgdaykvdivdggkektiivtaahlrrqe
>1yi2Q (Q:) pssngplegtrgklknkprdrgtsppqraveefddgekvhlkidpsvpngrfhprfdgqt gtvegkqgdaykvdivdggkektiivtaahlrrqe
>1yi2R (R:) mgisysveadpdttakamlrerqmsfkhskaiareikgktageavdyleaviegdqpvpf kqhnsgvghkskvdgwdagrypekaskafldllenavgnadhqgfdgeamtikhvaahkv geqqgrkpramgrasawnspqvdvelileepeved
>1yi2R (R:) gisysveadpdttakamlrerqmsfkhskaiareikgktageavdyleaviegdqpvpfk qhnsgvghkskvdgwdagrypekaskafldllenavgnadhqgfdgeamtikhvaahkvg eqqgrkpramgrasawnspqvdvelileep
>1yi2S (S:) mswdvikhphvtekamndmdfqnklqfavddraskgevadaveeqydvtveqvntqntmd gekkavvrlsedddaqevasrigvf
>1yi2S (S:) swdvikhphvtekamndmdfqnklqfavddraskgevadaveeqydvtveqvntqntmdg ekkavvrlsedddaqevasri
>1yi2T (T:) mskqpdkqrksqrraplherhkqvratlsadlreeygqrnvrvnagdtvevlrgdfagee gevinvdldkavihvedvtlektdgeevprpldtsnvrvtdldledekrearleseddsa
>1yi2T (T:) skqpdkqrksqrraplherhkqvratlsadlreeygqrnvrvnagdtvevlrgdfageeg evinvdldkavihvedvtlektdgeevprpldtsnvrvtdldledekrearleseddsa
>1yi2U (U:) prtrecdycgtdiepgtgtmfvhkdgatthfcsskcennadlgrearnlewtdtargeag eaedea
>1yi2U (U:) recdycgtdiepgtgtmfvhkdgatthfcsskcennadlgrearnlewtdtar
>1yi2V (V:) mtvlhvqeirdmtpaereaelddlktellnaravqaaggapenpgrikelrkaiarikti qgeegdlqene
>1yi2V (V:) tvlhvqeirdmtpaereaelddlktellnaravqaaggapenpgrikelrkaiariktiq geegd
>1yi2W (W:) mhalvqlrgevnmhtdiqdtlemlnihhvnhctlvpetdayrgmvakvndfvafgepsqe tletvlatraeplegdadvddewvaehtdyddisglafallseettlreqglsptlrlhp prgghdgvkhpvkeggqlgkhdtegiddlleamr
>1yi2X (X:) msasdfeervvtiplrdaraepnhkradkamilirehlakhfsvdedavrldpsineaaw argrantpskirvraarfeeegeaiveaetae
>1yi2X (X:) ervvtiplrdaraepnhkradkamilirehlakhfsvdedavrldpsineaawargrant pskirvraarfeeegeaiveae
>1yi2Y (Y:) madneedveaeeeyteltdisgvgpskaeslreagfesvedvrgadqsaladvsgignal aarikadvggleveseteaeveeeggeeapdedvetelqargltektpdlsdedarlltq rhrvgkpqfnrqdhhkkkrvstswrkprgqlskqrrgikgkgdtveagfrsptavrgkhp sgfeevrvhnvddlegvdgdteavriaskvgarkrerieeeaedagirvlnptyvevevs e
>1yi2Y (Y:) telqargltektpdlsdedarlltqrhrvgkpqfnrqdhhkkkrvstswrkprgqlskqr rgikgkgdtveagfrsptavrgkhpsgfeevrvhnvddlegvdgdteavriaskvgarkr erieeeaedagirvlnptyvev
>1yi2Z (Z:) rsgrfgarygrvsrrrvaeiesemnedhacpncgedrvdrqgtgiwqcsycdykftggsy kpetpggktvrrsiraalsedee
>1yi2Z (Z:) rsgrfgarygrvsrrrvaeiesemnedhacpncgedrvdrqgtgiwqcsycdykftggsy kpetpggktvrrs