[English] 日本語
Yorodumi
- EMDB-70078: Plasmodium falciparum 20S proteasome bound to inhibitor 296 -

+
Open data


ID or keywords:

Loading...

-
Basic information

Entry
Database: EMDB / ID: EMD-70078
TitlePlasmodium falciparum 20S proteasome bound to inhibitor 296
Map dataPf 20S proteasome bound with inhibitor 296
Sample
  • Complex: Plasmodium falciparum 20S proteasome bound with inhibitor 296
    • Protein or peptide: x 14 types
  • Ligand: x 1 types
KeywordsMalaria / Plasmodium falciparum / proteasome / drug discovery / CYTOSOLIC PROTEIN / CYTOSOLIC PROTEIN-INHIBITOR complex
Function / homology
Function and homology information


ER-Phagosome pathway / Cross-presentation of soluble exogenous antigens (endosomes) / Antigen processing: Ub, ATP-independent proteasomal degradation / Proteasome assembly / Orc1 removal from chromatin / CDK-mediated phosphorylation and removal of Cdc6 / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / KEAP1-NFE2L2 pathway / UCH proteinases / Ub-specific processing proteases ...ER-Phagosome pathway / Cross-presentation of soluble exogenous antigens (endosomes) / Antigen processing: Ub, ATP-independent proteasomal degradation / Proteasome assembly / Orc1 removal from chromatin / CDK-mediated phosphorylation and removal of Cdc6 / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / KEAP1-NFE2L2 pathway / UCH proteinases / Ub-specific processing proteases / Neddylation / Antigen processing: Ubiquitination & Proteasome degradation / MAPK6/MAPK4 signaling / ABC-family proteins mediated transport / AUF1 (hnRNP D0) binds and destabilizes mRNA / Neutrophil degranulation / proteasome core complex / proteasome endopeptidase complex / proteasome core complex, beta-subunit complex / threonine-type endopeptidase activity / proteasome core complex, alpha-subunit complex / ubiquitin-dependent protein catabolic process / endopeptidase activity / proteasome-mediated ubiquitin-dependent protein catabolic process / hydrolase activity / nucleus / cytoplasm / cytosol
Similarity search - Function
Proteasome subunit alpha 1 / Proteasome subunit beta 2 / Proteasome beta 3 subunit / Proteasome subunit alpha5 / Proteasome subunit alpha6 / Proteasome beta-type subunits signature. / Peptidase T1A, proteasome beta-subunit / Proteasome beta-type subunit, conserved site / Proteasome subunit A N-terminal signature / Proteasome alpha-type subunits signature. ...Proteasome subunit alpha 1 / Proteasome subunit beta 2 / Proteasome beta 3 subunit / Proteasome subunit alpha5 / Proteasome subunit alpha6 / Proteasome beta-type subunits signature. / Peptidase T1A, proteasome beta-subunit / Proteasome beta-type subunit, conserved site / Proteasome subunit A N-terminal signature / Proteasome alpha-type subunits signature. / Proteasome alpha-subunit, N-terminal domain / Proteasome subunit A N-terminal signature Add an annotation / Proteasome B-type subunit / Proteasome beta-type subunit profile. / : / Proteasome alpha-type subunit / Proteasome alpha-type subunit profile. / Proteasome subunit / Proteasome, subunit alpha/beta / Nucleophile aminohydrolases, N-terminal
Similarity search - Domain/homology
Proteasome subunit beta / Proteasome subunit alpha type-2 / Proteasome subunit alpha type-3, putative / Proteasome subunit beta type-6, putative / Proteasome subunit beta / Proteasome subunit beta / Proteasome subunit alpha type-6, putative / Proteasome subunit alpha type / Proteasome subunit alpha type / Proteasome subunit alpha type ...Proteasome subunit beta / Proteasome subunit alpha type-2 / Proteasome subunit alpha type-3, putative / Proteasome subunit beta type-6, putative / Proteasome subunit beta / Proteasome subunit beta / Proteasome subunit alpha type-6, putative / Proteasome subunit alpha type / Proteasome subunit alpha type / Proteasome subunit alpha type / Proteasome subunit beta / Proteasome subunit alpha type-1, putative / Proteasome subunit beta
Similarity search - Component
Biological speciesPlasmodium falciparum 3D7 (eukaryote)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.28 Å
AuthorsHan Y / Deng X / Ray S / Phillips M
Funding support United States, 4 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)R01AI103947 United States
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)R01AI155784 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM007062 United States
Cancer Prevention and Research Institute of Texas (CPRIT)RP220582 United States
CitationJournal: J Med Chem / Year: 2025
Title: Optimization of Species-Selective Reversible Proteasome Inhibitors for the Treatment of Malaria.
Authors: Suraksha Gahalawat / Sneha Ray / Xiaoyu Zhang / Xiaoyi Deng / Yan Han / Zhe Chen / Aloysus Lawong / David M Shackleford / Kasiram Katneni / Gong Chen / Peng Li / Alice Ng / Longjin Zhong / ...Authors: Suraksha Gahalawat / Sneha Ray / Xiaoyu Zhang / Xiaoyi Deng / Yan Han / Zhe Chen / Aloysus Lawong / David M Shackleford / Kasiram Katneni / Gong Chen / Peng Li / Alice Ng / Longjin Zhong / Meiyu Hu / Mitchell McInerney / Wen Wang / Jessica Saunders / Daniel Collins / Jaya Jayaseelan / Cassandra L Noack / Bikash C Maity / Nirupam De / Benoît Laleu / Simon F Campbell / Margaret A Phillips / Susan A Charman / Joseph M Ready /
Abstract: Malaria remains a critical global health challenge, with increasing resistance to frontline therapies necessitating novel drug targets. The proteasome has emerged as a promising target for ...Malaria remains a critical global health challenge, with increasing resistance to frontline therapies necessitating novel drug targets. The proteasome has emerged as a promising target for antimalarial drug discovery. This study describes efforts to optimize a series of species-selective reversible inhibitors targeting the 20S proteasome. Starting from the carboxypiperidine scaffold identified through a high-throughput viability screen, we conducted iterative structure-activity relationship studies, leading to the development of highly potent and selective inhibitors with good oral bioavailability. Lead compounds demonstrated nanomolar potency against blood-stage parasites and selective inhibition of the parasite proteasome over the human counterpart. Cryo-EM structural studies confirmed binding at the β5 subunit, while in vivo pharmacokinetic studies identified promising candidates for further development. These findings support proteasome inhibition as a viable strategy for novel antimalarial drug development.
History
DepositionApr 7, 2025-
Header (metadata) releaseNov 12, 2025-
Map releaseNov 12, 2025-
UpdateNov 12, 2025-
Current statusNov 12, 2025Processing site: RCSB / Status: Released

-
Structure visualization

Supplemental images

emd_70078.png

Downloads & links

-
Map

FileDownload / File: emd_70078.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationPf 20S proteasome bound with inhibitor 296
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 360 pix.
= 298.8 Å		0.83 Å/pix.
x 360 pix.
= 298.8 Å		0.83 Å/pix.
x 360 pix.
= 298.8 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.83 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.015
Minimum - Maximum-0.040053524 - 0.0881694
Average (Standard dev.)0.0001250193 (±0.0047382694)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 298.8 Å
α=β=γ: 90.0 °

-
Supplemental data

-
Half map: half map 2

Fileemd_70078_half_map_1.map
Annotationhalf map 2
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

-
Half map: half map 1

Fileemd_70078_half_map_2.map
Annotationhalf map 1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

-
Sample components

+
Entire : Plasmodium falciparum 20S proteasome bound with inhibitor 296

EntireName: Plasmodium falciparum 20S proteasome bound with inhibitor 296
Components
  • Complex: Plasmodium falciparum 20S proteasome bound with inhibitor 296
    • Protein or peptide: Proteasome endopeptidase complex
    • Protein or peptide: Proteasome endopeptidase complex
    • Protein or peptide: Proteasome subunit alpha type
    • Protein or peptide: Proteasome subunit alpha type
    • Protein or peptide: Proteasome subunit alpha type
    • Protein or peptide: Proteasome endopeptidase complex
    • Protein or peptide: Proteasome subunit alpha type-3, putative
    • Protein or peptide: Proteasome subunit beta type-6, putative
    • Protein or peptide: Proteasome subunit beta
    • Protein or peptide: Proteasome subunit beta
    • Protein or peptide: Proteasome subunit beta
    • Protein or peptide: Proteasome subunit beta type
    • Protein or peptide: Proteasome subunit beta
    • Protein or peptide: Proteasome subunit beta
  • Ligand: (3S)-1-({[(3S)-piperidin-3-yl]oxy}acetyl)-N-({4-[4-(trifluoromethyl)phenyl]-1,3-thiazol-2-yl}methyl)piperidine-3-carboxamide

+
Supramolecule #1: Plasmodium falciparum 20S proteasome bound with inhibitor 296

SupramoleculeName: Plasmodium falciparum 20S proteasome bound with inhibitor 296
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#14
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 750 KDa

+
Macromolecule #1: Proteasome endopeptidase complex

MacromoleculeName: Proteasome endopeptidase complex / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 29.531656 KDa
SequenceString: MVRPSQSMYD RHLTIFSPDG NLYQIEYAIK AVKNTNITSV GVKGENCAVI ISQKKMATQY ISQDKLLDYN NITNIYNITD EIGCSMVGM PGDCLSMVYK ARSEASEFLY SNGYNVNAET LCRNICDKIQ VYTQHAYMRL HACSGMIIGI DENNKPELFK F DPSGFCAG ...String:
MVRPSQSMYD RHLTIFSPDG NLYQIEYAIK AVKNTNITSV GVKGENCAVI ISQKKMATQY ISQDKLLDYN NITNIYNITD EIGCSMVGM PGDCLSMVYK ARSEASEFLY SNGYNVNAET LCRNICDKIQ VYTQHAYMRL HACSGMIIGI DENNKPELFK F DPSGFCAG YRACVIGNKE QESISVLERL LEKRKKKIQQ ETIDEDIRNT TILAIEALQT ILAFDLKASE IEVAIVSTKN RN FTQISEK EIDNYLTYIA ERD

UniProtKB: Proteasome subunit alpha type-6, putative

+
Macromolecule #2: Proteasome endopeptidase complex

MacromoleculeName: Proteasome endopeptidase complex / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 26.556391 KDa
SequenceString: MADGEYSFSL TTFSPTGKLV QIEYALNRVS SSSPALGIRA KNGVIIATEK KSPNELIEEN SIFKIQQISE HIGIVYAGMP GDFRVLLKR ARKEAIRYSL QYGSEILVKE LVKIIASIVQ EFTQTGGVRP FGLSLLICGV DVYGYHLYQI DPSGCYFNWM A TCVGKDYQ ...String:
MADGEYSFSL TTFSPTGKLV QIEYALNRVS SSSPALGIRA KNGVIIATEK KSPNELIEEN SIFKIQQISE HIGIVYAGMP GDFRVLLKR ARKEAIRYSL QYGSEILVKE LVKIIASIVQ EFTQTGGVRP FGLSLLICGV DVYGYHLYQI DPSGCYFNWM A TCVGKDYQ NNMSFLEKRY NKDIEIEDAI HTAILTLKES YEGVLNEKNI EIGVAYDNKP FKILTQNEIK DYLIEIE

UniProtKB: Proteasome subunit alpha type-2

+
Macromolecule #3: Proteasome subunit alpha type

MacromoleculeName: Proteasome subunit alpha type / type: protein_or_peptide / ID: 3 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 27.443037 KDa
SequenceString: MARRYDSRTT TFSPEGRLYQ VEYALEAINN ASITIGLITK DGVILGADKV FISKLIDKAN NYEKIYKIDK HIFCGVAGLN ADANILINQ SRLYAQRYLY NYNEVQPVSQ LVVQICDIKQ SYTQYGGLRP YGVSFLIGGY DTKDGYQLYH TDPSGNYSGW F ATAIGTNN ...String:
MARRYDSRTT TFSPEGRLYQ VEYALEAINN ASITIGLITK DGVILGADKV FISKLIDKAN NYEKIYKIDK HIFCGVAGLN ADANILINQ SRLYAQRYLY NYNEVQPVSQ LVVQICDIKQ SYTQYGGLRP YGVSFLIGGY DTKDGYQLYH TDPSGNYSGW F ATAIGTNN LTASSVLKQE WKNDMTLEEG LLLALKTLAK STDTEIPKSE KIELAYLTNK DGEVYQKYLT EKEIEELIKL YT QK

UniProtKB: Proteasome subunit alpha type

+
Macromolecule #4: Proteasome subunit alpha type

MacromoleculeName: Proteasome subunit alpha type / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 27.263285 KDa
SequenceString: MSYDRAITVF SPDGHLLQVE HALEAVKKGG CAVAIKSSNF AVLAVEKKNI PKLQNPKTTE KLIKLDEHNC LAFAGLNADA RVLVNKTRL ECQRYYLNMD EPAPVDYIAK YVAKVQQKFT HRGGVRPFGI ATLIAGFKNN KEICIYQTEP SGIYAAWKAQ A IGKNAKIV ...String:
MSYDRAITVF SPDGHLLQVE HALEAVKKGG CAVAIKSSNF AVLAVEKKNI PKLQNPKTTE KLIKLDEHNC LAFAGLNADA RVLVNKTRL ECQRYYLNMD EPAPVDYIAK YVAKVQQKFT HRGGVRPFGI ATLIAGFKNN KEICIYQTEP SGIYAAWKAQ A IGKNAKIV QEFLEKNYQE NMEQKDCIFL ALKAIFEVVE LSSKNVEVAL LTEKDLTFIE EQEINSMVEL IDQERTKNNE QN E

UniProtKB: Proteasome subunit alpha type

+
Macromolecule #5: Proteasome subunit alpha type

MacromoleculeName: Proteasome subunit alpha type / type: protein_or_peptide / ID: 5 / Number of copies: 2 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 28.417367 KDa
SequenceString: MFSTRSEYDR GVNTFSPEGR LFQVEYALGA IKLGSTAVGI CVNDGVILAS ERRISSTLIE KDSVEKLLSI DDHIGCAMSG LMADARTLI DYARVECNHY KFIYNENINI KSCVELISEL ALDFSNLSDS KRKKIMSRPF GVALLIGGVD KNGPCLWYTE P SGTNTRFS ...String:
MFSTRSEYDR GVNTFSPEGR LFQVEYALGA IKLGSTAVGI CVNDGVILAS ERRISSTLIE KDSVEKLLSI DDHIGCAMSG LMADARTLI DYARVECNHY KFIYNENINI KSCVELISEL ALDFSNLSDS KRKKIMSRPF GVALLIGGVD KNGPCLWYTE P SGTNTRFS AASIGSAQEG AELLLQENYK KDMTFEQAEI LALTVLRQVM EDKLSTSNVE ICAIKKSDQT FYKYNTDDIS RI IDVLPSP VYPTIDMTA

UniProtKB: Proteasome subunit alpha type

+
Macromolecule #6: Proteasome endopeptidase complex

MacromoleculeName: Proteasome endopeptidase complex / type: protein_or_peptide / ID: 6 / Number of copies: 2 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 28.871697 KDa
SequenceString: MYRNLYDTDN IIYSPEGRLY QVEYASEAIK QGTCAVAIKS KDYVVVSGLK KCISKLSFPQ EKIFKIDDYI GISMSGITSD AKVLTKFMQ NECLSHKFLY NENINIESLV RSVADKYQKN TQKSSKRAFG VGLMIAAYHN EPCIFETRPN GSYFEYDALS F GARSHASK ...String:
MYRNLYDTDN IIYSPEGRLY QVEYASEAIK QGTCAVAIKS KDYVVVSGLK KCISKLSFPQ EKIFKIDDYI GISMSGITSD AKVLTKFMQ NECLSHKFLY NENINIESLV RSVADKYQKN TQKSSKRAFG VGLMIAAYHN EPCIFETRPN GSYFEYDALS F GARSHASK TYLEKNLHLF EECSLEELIL HCLKALKCSL SSESELTISN TALAVVGKNH PWQEISSLQL EEYLSKVKMD AE QEQVEEN VQNEANE

UniProtKB: Proteasome subunit alpha type-1, putative

+
Macromolecule #7: Proteasome subunit alpha type-3, putative

MacromoleculeName: Proteasome subunit alpha type-3, putative / type: protein_or_peptide / ID: 7 / Number of copies: 2 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 29.324295 KDa
SequenceString: MAGLSAGYDL SVSTFSPDGR LYQVEYIYKS INNNNTALCL ECKDGIICCC INSNMDKNKM IKKNSYNRIY HVNNNIIITY SGFDGDARN IIDRARSEAN TYYYNFHTNI PLHILVNRIS LYIHAYTLYW HMRPFAASII ISSFNEKDKG DIYCIEPNGA C YKYSGIVI ...String:
MAGLSAGYDL SVSTFSPDGR LYQVEYIYKS INNNNTALCL ECKDGIICCC INSNMDKNKM IKKNSYNRIY HVNNNIIITY SGFDGDARN IIDRARSEAN TYYYNFHTNI PLHILVNRIS LYIHAYTLYW HMRPFAASII ISSFNEKDKG DIYCIEPNGA C YKYSGIVI GKNKEMFKTE IEKKDYKDIN VRDAIEDIYK FILTSDDHMN KNNLQNLVNF SWICKESSYE FQNIHEEILT PA LNKAVEY IEKLN

UniProtKB: Proteasome subunit alpha type-3, putative

+
Macromolecule #8: Proteasome subunit beta type-6, putative

MacromoleculeName: Proteasome subunit beta type-6, putative / type: protein_or_peptide / ID: 8 / Number of copies: 2 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 29.143936 KDa
SequenceString: TTIIGIIYDN GVMLACDSRT SSGTFISNKC SRKINRINEN LYVCRSGASA HSQKIIEIIK HYCVSMKNEN RKKGRFHEGE TIYDETTYD EEIDIDSINY LDYNNNNDNN LVTKNKYFYE DKFNDYNPLV ENVAHITKKI IYTNNNFLSC ALIFGGYDKI K KQQLYAVN ...String:
TTIIGIIYDN GVMLACDSRT SSGTFISNKC SRKINRINEN LYVCRSGASA HSQKIIEIIK HYCVSMKNEN RKKGRFHEGE TIYDETTYD EEIDIDSINY LDYNNNNDNN LVTKNKYFYE DKFNDYNPLV ENVAHITKKI IYTNNNFLSC ALIFGGYDKI K KQQLYAVN LNGSIIEKHD FAVSGSGSIY IQSYLQDKYK KFMTKKECFN LILNCVKYAM HNDNSSGGLI RIVNITKSFV EE FTVVNTQ MNFQY

UniProtKB: Proteasome subunit beta type-6, putative

+
Macromolecule #9: Proteasome subunit beta

MacromoleculeName: Proteasome subunit beta / type: protein_or_peptide / ID: 9 / Number of copies: 2 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 25.104885 KDa
SequenceString: TTICGLVCQN AVILGADTRA TEGPIVADKN CSKLHYISKN IWCAGAGVAG DLEHTTLWLQ HNVELHRLNT NTQPRVSMCV SRLTQELFK YQGYKVCAIV LGGVDVNGPQ LYGIHPHGSS CLLPFTALGS GSLNAMAVLE AKYRDNMTIE EGKNLVCEAI C AGIFNDLG ...String:
TTICGLVCQN AVILGADTRA TEGPIVADKN CSKLHYISKN IWCAGAGVAG DLEHTTLWLQ HNVELHRLNT NTQPRVSMCV SRLTQELFK YQGYKVCAIV LGGVDVNGPQ LYGIHPHGSS CLLPFTALGS GSLNAMAVLE AKYRDNMTIE EGKNLVCEAI C AGIFNDLG SGGNVDICVI TKDSYQHIRP YKEPNMRLYH LPHPTIYPKG TTPILSEKIE YIKKFISVED A

UniProtKB: Proteasome subunit beta

+
Macromolecule #10: Proteasome subunit beta

MacromoleculeName: Proteasome subunit beta / type: protein_or_peptide / ID: 10 / Number of copies: 2 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 24.533131 KDa
SequenceString: MGSIYNYNGG CVLGMSGSNC VAIACDLRLG ANTFTTVSTK FSKIFKMNNN VYVGLSGLAT DIQTLYEILR YRVNLYEVRQ DAEMDVECF ANMLSSILYS NRFSPYFVNP IVVGFKLKHY VDEEGEKKVN YEPYLTAYDL IGAKCETRDF VVNGVTSEQL F GMCESLYV ...String:
MGSIYNYNGG CVLGMSGSNC VAIACDLRLG ANTFTTVSTK FSKIFKMNNN VYVGLSGLAT DIQTLYEILR YRVNLYEVRQ DAEMDVECF ANMLSSILYS NRFSPYFVNP IVVGFKLKHY VDEEGEKKVN YEPYLTAYDL IGAKCETRDF VVNGVTSEQL F GMCESLYV KDQDENGLFE TISQCLLSAL DRDCISGWGA EVLVLTPEKI IKKKLKARMD

UniProtKB: Proteasome subunit beta

+
Macromolecule #11: Proteasome subunit beta

MacromoleculeName: Proteasome subunit beta / type: protein_or_peptide / ID: 11 / Number of copies: 2 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 22.889105 KDa
SequenceString: MDTLIGLRGN NFVVLAADTY SINSIIKLKN DDNTKFYDIH GNKCLLLGGS IGDRLQFGEF IRKNVHLYQY QNNTDMFVKS FAFFTRKNL AYYLRRNPFE VNCLIAGYDK KDGYQLYWCD YLSNMDSVNK GAHGYGAYLV SAILDKYYHE NLTVDEALDI F KLCFEELK ...String:
MDTLIGLRGN NFVVLAADTY SINSIIKLKN DDNTKFYDIH GNKCLLLGGS IGDRLQFGEF IRKNVHLYQY QNNTDMFVKS FAFFTRKNL AYYLRRNPFE VNCLIAGYDK KDGYQLYWCD YLSNMDSVNK GAHGYGAYLV SAILDKYYHE NLTVDEALDI F KLCFEELK KRFLLTQINY ELRIMYDNKV ETQYVTV

UniProtKB: Proteasome subunit beta

+
Macromolecule #12: Proteasome subunit beta type

MacromoleculeName: Proteasome subunit beta type / type: protein_or_peptide / ID: 12 / Number of copies: 2 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 23.620646 KDa
SequenceString: TTTLAFKFKD GIIVAVDSRA SMGSFISSQN VEKIIEINKN ILGTMAGGAA DCLYWEKYLG KIIKIYELRN NEKISVRAAS TILSNILYQ YKGYGLCCGI ILSGYDHTGF NMFYVDDSGK KVEGNLFSCG SGSTYAYSIL DSAYDYNLNL DQAVELARNA I YHATFRDG ...String:
TTTLAFKFKD GIIVAVDSRA SMGSFISSQN VEKIIEINKN ILGTMAGGAA DCLYWEKYLG KIIKIYELRN NEKISVRAAS TILSNILYQ YKGYGLCCGI ILSGYDHTGF NMFYVDDSGK KVEGNLFSCG SGSTYAYSIL DSAYDYNLNL DQAVELARNA I YHATFRDG GSGGKVRVFH IHKNGYDKII EGEDVFDLHY HYTNPEQKDQ YVM

UniProtKB: Proteasome subunit beta

+
Macromolecule #13: Proteasome subunit beta

MacromoleculeName: Proteasome subunit beta / type: protein_or_peptide / ID: 13 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 33.155211 KDa
SequenceString: MTLGPVVTGT SVIAIKYKHG IMIAADRKAS YGSYAKFQNV ERIFKINNKT VMGFSGELAD AQYLHELLTR KNINNLSEKK RKEDMYTPQ HYHSYVSRVF YVRKNRIDPL FNNIIIAGIN SQKYDNNDDN VLLYTNKNND DEQNEYKNNE EYKEIHKDDL Y IGFVDMHG ...String:
MTLGPVVTGT SVIAIKYKHG IMIAADRKAS YGSYAKFQNV ERIFKINNKT VMGFSGELAD AQYLHELLTR KNINNLSEKK RKEDMYTPQ HYHSYVSRVF YVRKNRIDPL FNNIIIAGIN SQKYDNNDDN VLLYTNKNND DEQNEYKNNE EYKEIHKDDL Y IGFVDMHG TNFCDDYITT GYARYFALTL LRDHYKDNMT EEEARILINE CLRILYFRDA TSSNFIQIVK VTSKGVEYEE PY ILPCVLN SADYVYPSTL LPPAGCMWGS GSENLYFQGH HHHHHHH

+
Macromolecule #14: Proteasome subunit beta

MacromoleculeName: Proteasome subunit beta / type: protein_or_peptide / ID: 14 / Number of copies: 2 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Plasmodium falciparum 3D7 (eukaryote)
Molecular weightTheoretical: 27.301203 KDa
SequenceString: MDLILYNDNL TEKKTEKENV IEHGRGFKRW YPYIDNGGTV IGLTGKDYVI LAADTRLSLS YSIYTRFCPK ISKLTDKCII GSSGMQSDI KTLHSLLQKK IQLFVLEHSH YPDIHVIARL LCVILYSRRF FPYYAFNILA GVDENNKGVL YNYDSVGSYC E ATHSCVGS ...String:
MDLILYNDNL TEKKTEKENV IEHGRGFKRW YPYIDNGGTV IGLTGKDYVI LAADTRLSLS YSIYTRFCPK ISKLTDKCII GSSGMQSDI KTLHSLLQKK IQLFVLEHSH YPDIHVIARL LCVILYSRRF FPYYAFNILA GVDENNKGVL YNYDSVGSYC E ATHSCVGS GSQLILPILD NRVEQKNQLI KNTNFNLGDD INFVKDAITS ATERDIYTGD KTLIYVIDKM GINVNTLDLK QD

UniProtKB: Proteasome subunit beta

+
Macromolecule #15: (3S)-1-({[(3S)-piperidin-3-yl]oxy}acetyl)-N-({4-[4-(trifluorometh...

MacromoleculeName: (3S)-1-({[(3S)-piperidin-3-yl]oxy}acetyl)-N-({4-[4-(trifluoromethyl)phenyl]-1,3-thiazol-2-yl}methyl)piperidine-3-carboxamide
type: ligand / ID: 15 / Number of copies: 2 / Formula: A1B73
Molecular weightTheoretical: 510.572 Da

-
Experimental details

-
Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

-
Sample preparation

Concentration1.4 mg/mL
BufferpH: 7.6
Component:
ConcentrationFormulaName
50.0 mMC4H11NO3Tris
150.0 mMNaClsodium chloride
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

-
Electron microscopy

MicroscopeTFS KRIOS
Specialist opticsEnergy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 52.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.3000000000000003 µm / Nominal defocus min: 0.9 µm / Nominal magnification: 105000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

+
Image processing

Particle selectionNumber selected: 1011830
CTF correctionSoftware - Name: Gctf / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: EMDB MAP
EMDB ID:

2981

Final reconstructionApplied symmetry - Point group: C2 (2 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 2.28 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 4.0.1) / Number images used: 67436
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 4.0.1)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 4.0.1)
Final 3D classificationNumber classes: 5 / Software - Name: RELION (ver. 4.0.1)
FSC plot (resolution estimation)

-
Atomic model buiding 1

Initial modelPDB ID:

7lxt


Chain - Source name: PDB / Chain - Initial model type: experimental model
RefinementSpace: REAL
Output model

PDB-9o3f:
Plasmodium falciparum 20S proteasome bound to inhibitor 296

+
About Yorodumi

-
News

-
Feb 9, 2022. New format data for meta-information of EMDB entries

New format data for meta-information of EMDB entries

  • Version 3 of the EMDB header file is now the official format.
  • The previous official version 1.9 will be removed from the archive.

Related info.:EMDB header

External links:wwPDB to switch to version 3 of the EMDB data model

-
Aug 12, 2020. Covid-19 info

Covid-19 info

URL: https://pdbj.org/emnavi/covid19.php

New page: Covid-19 featured information page in EM Navigator.

Related info.:Covid-19 info / Mar 5, 2020. Novel coronavirus structure data

+
Mar 5, 2020. Novel coronavirus structure data

Novel coronavirus structure data

Related info.:Yorodumi Speices / Aug 12, 2020. Covid-19 info

External links:COVID-19 featured content - PDBj / Molecule of the Month (242)：Coronavirus Proteases

+
Jan 31, 2019. EMDB accession codes are about to change! (news from PDBe EMDB page)

EMDB accession codes are about to change! (news from PDBe EMDB page)

  • The allocation of 4 digits for EMDB accession codes will soon come to an end. Whilst these codes will remain in use, new EMDB accession codes will include an additional digit and will expand incrementally as the available range of codes is exhausted. The current 4-digit format prefixed with “EMD-” (i.e. EMD-XXXX) will advance to a 5-digit format (i.e. EMD-XXXXX), and so on. It is currently estimated that the 4-digit codes will be depleted around Spring 2019, at which point the 5-digit format will come into force.
  • The EM Navigator/Yorodumi systems omit the EMD- prefix.

Related info.:Q: What is EMD? / ID/Accession-code notation in Yorodumi/EM Navigator

External links:EMDB Accession Codes are Changing Soon! / Contact to PDBj

+
Jul 12, 2017. Major update of PDB

Major update of PDB

  • wwPDB released updated PDB data conforming to the new PDBx/mmCIF dictionary.
  • This is a major update changing the version number from 4 to 5, and with Remediation, in which all the entries are updated.
  • In this update, many items about electron microscopy experimental information are reorganized (e.g. em_software).
  • Now, EM Navigator and Yorodumi are based on the updated data.

External links:wwPDB Remediation / Enriched Model Files Conforming to OneDep Data Standards Now Available in the PDB FTP Archive

-
Yorodumi

Thousand views of thousand structures

  • Yorodumi is a browser for structure data from EMDB, PDB, SASBDB, etc.
  • This page is also the successor to EM Navigator detail page, and also detail information page/front-end page for Omokage search.
  • The word "yorodu" (or yorozu) is an old Japanese word meaning "ten thousand". "mi" (miru) is to see.

Related info.:EMDB / PDB / SASBDB / Comparison of 3 databanks / Yorodumi Search / Aug 31, 2016. New EM Navigator & Yorodumi / Yorodumi Papers / Jmol/JSmol / Function and homology information / Changes in new EM Navigator and Yorodumi

Read more