CryoEM structure of native Trypanosoma cruzi apo proteasome 20S subunit

Pharmacological and structural understanding of the Trypanosoma cruzi proteasome provides key insights for developing site-specific inhibitors.

MSRTGFDKYITVFSPEGSLYQVEYAFKAVTYAGLLTVAIRCKDAVLVFTQHNVPDRLMRPDTITSLHNINKDIGTCITGR
APDGKSLVQKARQEASEYKYRYGSPIPVSVLAKRVADMAQVRTQHAGLRLMGVVMTFLGMEQNDADGSWVPQIYCVDPAG
WCGSYHACAIGKKQIEANAFLEKKQKNAPFHTLSQKDAAMIALAALQSALGASLKATDVEVGRCSVEDHCFRRVPDEDVE
EWLTALAEAD

MFSAGRIHYRLFLLLGGICLARKGYYKISKIEIYIHIHILCVCVVCFATIIFFFFCAMSESAYGLTTFSPSGRLVQIEYA
TTAASKGTTALGVKAMDGVVIAAEKKTTSPLAASLTVQKVFVLDDHVGCTYSGIGPDCRVLVDAARKACQKYRLTYHEPM
PVSQLVRHISSLYQEFTQSGGVRPFGCSLLVAGADSQGNHLYQVDPSGTFWAWKATSIGKGSTDAKTFLEKRYTNEMEIE
DAVHTALLTLKEGFDGTMTAENTQVGRVSEGKFELFTVDQLKDYLDQI

MSSRYDSRTTTFSPEGRLYQVEYAEEAISQAGTVIGILTTGGVVLGAEKGVQNSLFDSENMEDKNISGEKMYKIASHIGC
SVAGVTSDAYALLNYARLSANRHHYTYQEPMAAEDLCRLLCDEKQLYTQYGGVRPFGVSFLLAGWDRHHGYQLYHTDTSG
NYNAWRAYAIGQNDQVAQSLLKRDWKPELTLDEGIVLCLRVLGKTMDTVKLSAERLEVAVLHKVPAPATQKLLEPYGVLP
KTVPEFKILRETDLKPLIAEADRQREAEEAAEAEKEKKKEQKLTSS

MSYDRAITVFSPDGHLFQVEYAQEAVRKGLCAVGVRGKDSIIFAVEKKSVQKLQDSRTIRKIYKLDEHIYLAFAGLSADA
RVLVNHAQLECQRFRLNYEDAVDVDLLVRYVAKVQQKSTQSSGSRPYGVSTIIGGFNENGQPHLWKTDPSGMSSAWRAVA
IGRNDKTVLEFMEKSYQENMTRDQCVHFAIKALLEAVESGSKNIELVVLENKKALYMGDDELRKFVVEVEKEREEEAARK
RRLAEEE

MFSSKTEYDRGVNTFSPEGRIFQIEYAIEAIKLGSTSLGIQTPDAVVIAAEKRVPSVLVDPSSMNKILEIDYHMGTVLSG
MVADARILVEHARVEAQNHRFTYDEPMRVESCALATCDLSVRFGESGGRKKLMSRPFGVSLLIAGVDENGPQLWQTDPSG
TYTRYDAQAIGAGAEAAQTVFNEIYHRNMTVEEAETLAVRILKQVMEEELTKSNIEIAIVPASTGKLEVYDQTKIQRIID
RLTEE

MFKNQYDTNTTTWSPTGRLFQVEYANEAVNNGSAAVGTKNKDFVVLTALKRSPVAQFSSYQEKVFKLDDHVGMAIAGLVA
DGRMLARFVRTECMNYRYMHDSDNPLPLIAEIVGEKYQRHIQFAGKRPFGVGLLIAGYDSTGPHLYHTVPSGDVFDFKAT
AMGLRSQAARTYLEKHFESFPDCGLDELIMHALKALAAATSGGAELNIKNTTIAIVGKGTPFMVLTEEAARKYLDGFKMR
PEDIPPAPEAEEEETLQERSLDVEE

MSGTEHDQSTDIFSADGRVFQVEYACKAVDNGSTAVAACCTDGVVVAVEKILTSRMLEEGSNDRIHAVDRQAGVCICGML
PDGRAVVSRARAEAENSRDVFATPIPGSVLASRIGEFMHVYTTHYAYRPFGCSVIIASYADDGPQLFVSDPSGTVAGYYG
IALGKGKTVAKTELEKLNFKSITCDEAVVKLTKILHDVHDKSKDKLYELEVAWVCNKSNCVFQHVPNDMIPKPPASQ

MIKRPEGALLHEPSCPMEIKHELTFNGPAQSAKKLFEPEAAVLDPQLNEAVSLGTTIMAVAFKGGVVLAADSRTSTGTYV
VNRASNKLTKLAEKIYCCRSGSAADTQALAEQTANYLESYEIDTSKPVNVTTAANIFKKLCYMNKWNISAGIIVAGYDPL
NGGSVYSIPSGGSCVKLDYALGGSGSIFLYSFFDANYKTGMSKEECVCFCQRAVAHAYSRDGSSGGLIRTIALHQGEPED
MTIPWTKTPYCMEKDPKYRDLAVQNPPFSSSAKITVNQSRSERI

MCVVSVEKNCNNSKFNLVLRAYSIVKKEEEKKGRPRIMPGFSFANVQRNLNLQRQGLQPPKTLKTGTTIVGVVYKEGVVL
GADTRATEGSIVADKRCKKIHYMAPNIMCCGAGTAADTEAVTNMVSANLALHRLDTGKQSRVHEALTMLKRHLYRYQGHV
SAALVLGGVDVEGPFLATVAPHGSTDRLPFVSMGSGSIAAMSALETGYKENMTLEEAKELVASAIRKGIFNDPYSGTQVD
LCVITKTKTELLIGYDKPNERKYPKQEIRFPPGTTPVLREEIRRLVTITDVE

MSILTYSGGSCLAMAGDGCFVIVSDNRLGEQLKTISMEVPKLHVINESIVLGLTGLRTDQQTFSEKVRFRNELYKLREER
EIGGKAFAALVSSMLYEARFGPWFVEPVIASIDKRTGEVYLCAMDLIGAPCEPEDYVCAGTCAESLHGMCEALWRPGLGP
EELFEVAAQAMLSACDRDSLSGYGAVAAIVTRDKMTTRLINGRKD

MSETTIAFRCNGFVLVAAAGLNAFYYIKIMDTEDKVTQLDSHKVVACAGENGPRVNFVEYIKCNMALKRMREHGRVIRTS
AAASFMRNALAGALRSRDGAYLVNCLLAGYDVAASSDDDIATGPHLYYMDYLGTMQEVPYGCHGYGASFVIAMLDRLWRP
DLTAQEAVDLMQKCCDEVKKRVVISNDKFICKAVTENGVEIVNTVS

MIADFESVLRTDFSLDDCPRIGPFTWHNVPGLDGSDEGDEWDAPMLSSYGSIEIRPRRNDDFRVIPSTGEMLTEDPLSTS
NRLQTDMRMWKLMKTCPVPRSVPKLDMKKGTTTLGFHFDGGIILAVDSRASSGQYISSQTVMKVLEINEYLLGTMAGGAA
DCQYWERVLGMECRLWELRNNCRISVAAASKILANITYSYRNYGLSMGTMVAGWDQFGPSLYYVDDKGTRVKHELFSVGS
GSIYAYGVLDQGYRKNLTVEEACELARRSIFHATYRDGASGGIVTVYHVHQGGWTQISRDDQTKLYDRYVL

MIEDHMEYGHHFPRKLADSTLSLPRQGVKEQQWSPYADNGGTIAAIAGKNYVILGGDTRLNGDFCIHTRDDRTKLFQLTE
HTFLASTGMQADRLQLQQMLKYRIQWYQYNNGGKLPSTKAIAKLTSTMLYQRRFFPYYTFNMVVGLDEKGAGVCYSYDPV
GSTEPFRYGTSGSASSFVEPLMDCLLTRQHMVQQAPAELSMTETLEMLKNAFTGAAERDIFTGDAVCFHIITADGIRSEL
FELRND

MASGGSVIGVKYNGGVLLACDTLLSYGSLAKWPNIPRMKLVGAYTVMCATGDYADFQEMTTMIENHVNRQQMYGGGALTP
NEVFCYLQRHVYHKRSQFEPCLCRFVVAGCHGGEPFLGGVDDVGTRWTDDCVAAGYGAYVALPLLRQALEKPGGLTREEA
IRVIKDCLRVLFYRECRAINKFQIADATSDMVSIGEPFEVETNWEYDGFCFEKTAIIR

HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS

MSYDRAITVFSPDGHLFQVEYAQEAVRKGLCAVGVRGKDSIIFAVEKKSVQKLQDSRTIRKIYKLDEHIYLAFAGLSADA
RVLVNHAQLECQRFRLNYEDAVDVDLLVRYVAKVQQKSTQSSGSRPYGVSTIIGGFNENGQPHLWKTDPSGMSSAWRAVA
IGRNDKTVLEFMEKSYQENMTRDQCVHFAIKALLEAVESGSKNIELVVLENKKALYMGDDELHKFVVEVEKEREEEAARK
RRLAEEE

MIADFESVLRTDFSLDDCPRIGPFTWHNVPGLDGSDEGDEWDAPMLSSYGSIETRPRRNDDFRVIPSTGEMLTEDPLSTS
NRLQTDMRMWKLMKTCPVPRSVPKLDMKKGTTTLGFHFDGGIILAVDSRASSGQYISSQTVMKVLEINEYLLGTMAGGAA
DCQYWERVLGMECRLWELRNNCRISVAAASKILANITYSYRNYGLSMGTMVAGWDQFGPSLYYVDDKGTRVKHELFSVGS
GSIYAYGVLDQGYRKNLTVEEACELARRSIFHATYRDGASGGIVTVYHVHQGGWTQISRDDQTKLYDRYVL

MIEDHMEYGHHFPRKLADSTLSLPRQGVKEQQWSPYADNGGTIAAIAGKNYVILGGDTRLNGDFCIHTRDDRTKLFQLTE
HTFLASTGMQADRLQLQQMLKYRIQWYQYNNGGKLPSTKAIAKLTSTMLYQRRFFPYYTFNMVVGLDEKGAGVCYSYDPV
GSTEPFRYGTSGSASSFVEPLMDCLLTRQHMVQQAPAELSMTETLEMLKNAFTGAAERDIFTGDAVCFHIITADGIRSEL
FELRKD