7lxt

Structure of Plasmodium falciparum 20S proteasome with bound bortezomib

Method: ELECTRON MICROSCOPY

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1. Protein Identity and Related Structures Protein Identity & Related Structures

20S proteasome alpha-1 subunit

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8IAR3_PLAF7
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–260； UniProt 1–260 Author chain O； PDBConstruct 1–260； UniProt 1–260

20S proteasome alpha-2 subunit

OrganismNot specified

UniProt C6KST3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	C6KST3_PLAF7
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–235； UniProt 1–235 Author chain P； PDBConstruct 1–235； UniProt 1–235

20S proteasome alpha-3 subunit

OrganismNot specified

UniProt Q8IDG3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8IDG3_PLAF7
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–246； UniProt 1–246 Author chain Q； PDBConstruct 1–246； UniProt 1–246

20S proteasome alpha-4 subunit

OrganismNot specified

UniProt Q8IDG2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8IDG2_PLAF7
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain D； PDBConstruct 1–241； UniProt 1–241 Author chain R； PDBConstruct 1–241； UniProt 1–241

20S proteasome alpha-5 subunit

OrganismNot specified

UniProt Q8IBI3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8IBI3_PLAF7
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain E； PDBConstruct 1–256； UniProt 1–256 Author chain S； PDBConstruct 1–256； UniProt 1–256

20S proteasome alpha-6 subunit

OrganismNot specified

UniProt Q8IK90

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8IK90_PLAF7
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain F； PDBConstruct 1–254； UniProt 1–254 Author chain T； PDBConstruct 1–254； UniProt 1–254

20S proteasome alpha-7 subunit

OrganismNot specified

UniProt O77396

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	O77396_PLAF7
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain G； PDBConstruct 1–252； UniProt 1–252 Author chain U； PDBConstruct 1–252； UniProt 1–252

20S proteasome beta-1 subunit

OrganismNot specified

UniProt Q8I0U7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8I0U7_PLAF7
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain H； PDBConstruct 1–252； UniProt 31–282 Author chain V； PDBConstruct 1–252； UniProt 31–282

20S proteasome beta-2 subunit

OrganismNot specified

UniProt Q8I6T3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8I6T3_PLAF7
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain I； PDBConstruct 1–229； UniProt 42–270 Author chain W； PDBConstruct 1–229； UniProt 42–270

20S proteasome beta-3 subunit

OrganismNot specified

UniProt Q8I261

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8I261_PLAF7
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain J； PDBConstruct 1–218； UniProt 1–218 Author chain X； PDBConstruct 1–218； UniProt 1–218

20S proteasome beta-4 subunit

OrganismNot specified

UniProt Q8IKC9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8IKC9_PLAF7
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain K； PDBConstruct 1–195； UniProt 1–195 Author chain Y； PDBConstruct 1–195； UniProt 1–195

20S proteasome beta-5 subunit

OrganismNot specified

UniProt Q8IJT1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8IJT1_PLAF7
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain L； PDBConstruct 1–211； UniProt 61–271 Author chain Z； PDBConstruct 1–211； UniProt 61–271

20S proteasome beta-6 subunit

OrganismNot specified

UniProt A0A5K1K7U1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-7 subunit × 2 （Q7K6A9） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A5K1K7U1_PLAF7
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain M； PDBConstruct 1–240； UniProt 1–240 Author chain a； PDBConstruct 1–240； UniProt 1–240

20S proteasome beta-7 subunit

OrganismNot specified

UniProt Q7K6A9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 28	20S proteasome alpha-1 subunit × 2 （Q8IAR3） 20S proteasome alpha-2 subunit × 2 （C6KST3） 20S proteasome alpha-3 subunit × 2 （Q8IDG3） 20S proteasome alpha-4 subunit × 2 （Q8IDG2） 20S proteasome alpha-5 subunit × 2 （Q8IBI3） 20S proteasome alpha-6 subunit × 2 （Q8IK90） 20S proteasome alpha-7 subunit × 2 （O77396） 20S proteasome beta-1 subunit × 2 （Q8I0U7） 20S proteasome beta-2 subunit × 2 （Q8I6T3） 20S proteasome beta-3 subunit × 2 （Q8I261） 20S proteasome beta-4 subunit × 2 （Q8IKC9） 20S proteasome beta-5 subunit × 2 （Q8IJT1） 20S proteasome beta-6 subunit × 2 （A0A5K1K7U1） N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q7K6A9_PLAF7
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain N； PDBConstruct 1–265； UniProt 1–265 Author chain b； PDBConstruct 1–265； UniProt 1–265

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	7lxt
Deposition date deposition_date	2021-03-05
Structure title title	Structure of Plasmodium falciparum 20S proteasome with bound bortezomib
Keywords keywords	proteasome, plasmodium falciparum, malaria, drug, bortezomib, HYDROLASE; HYDROLASE
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

7lxt__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

7lxt__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7lxt__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	60.28 Å
Rg (electron density)	59.81 Å
Total Rg	60.09 Å
Atom count	50536
Residues	6318
Excluded volume	903640 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7lxt__assembly_1__model_1`	28-meric （28）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (15)

Entity 1 Entity 1 polymer

Description description	20S proteasome alpha-1 subunit
Molecular weight formula_weight	29531.7 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,O
Atom count atom_count	50536

MVRPSQSMYDRHLTIFSPDGNLYQIEYAIKAVKNTNITSVGVKGENCAVIISQKKMATQYISQDKLLDYNNITNIYNITDEIGCSMVGMPGDCLSMVYKARSEASEFLYSNGYNVNAETLCRNICDKIQVYTQHAYMRLHACSGMIIGIDENNKPELFKFDPSGFCAGYRACVIGNKEQESISVLERLLEKRKKKIQQETIDEDIRNTTILAIEALQTILAFDLKASEIEVAIVSTKNRNFTQISEKEIDNYLTYIAERD

Entity 2 Entity 2 polymer

Description description	20S proteasome alpha-2 subunit
Molecular weight formula_weight	26556.4 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,P

MADGEYSFSLTTFSPTGKLVQIEYALNRVSSSSPALGIRAKNGVIIATEKKSPNELIEENSIFKIQQISEHIGIVYAGMPGDFRVLLKRARKEAIRYSLQYGSEILVKELVKIIASIVQEFTQTGGVRPFGLSLLICGVDVYGYHLYQIDPSGCYFNWMATCVGKDYQNNMSFLEKRYNKDIEIEDAIHTAILTLKESYEGVLNEKNIEIGVAYDNKPFKILTQNEIKDYLIEIE

Entity 3 Entity 3 polymer

Description description	20S proteasome alpha-3 subunit
Molecular weight formula_weight	27977.7 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,Q

MARRYDSRTTTFSPEGRLYQVEYALEAINNASITIGLITKDGVILGADKVFISKLIDKANNYEKIYKIDKHIFCGVAGLNADANILINQSRLYAQRYLYNYNEVQPVSQLVVQICDIKQSYTQYGGLRPYGVSFLIGGYDTKDGYQLYHTDPSGNYSGWFATAIGTNNLTASSVLKQEWKNDMTLEEGLLLALKTLAKSTDTEIPKSEKIELAYLTNKDGEVYQKYLTEKEIEELIKLYTQKYIKE

Entity 4 Entity 4 polymer

Description description	20S proteasome alpha-4 subunit
Molecular weight formula_weight	27263.3 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D,R

MSYDRAITVFSPDGHLLQVEHALEAVKKGGCAVAIKSSNFAVLAVEKKNIPKLQNPKTTEKLIKLDEHNCLAFAGLNADARVLVNKTRLECQRYYLNMDEPAPVDYIAKYVAKVQQKFTHRGGVRPFGIATLIAGFKNNKEICIYQTEPSGIYAAWKAQAIGKNAKIVQEFLEKNYQENMEQKDCIFLALKAIFEVVELSSKNVEVALLTEKDLTFIEEQEINSMVELIDQERTKNNEQNE

Entity 5 Entity 5 polymer

Description description	20S proteasome alpha-5 subunit
Molecular weight formula_weight	28417.4 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E,S

MFSTRSEYDRGVNTFSPEGRLFQVEYALGAIKLGSTAVGICVNDGVILASERRISSTLIEKDSVEKLLSIDDHIGCAMSGLMADARTLIDYARVECNHYKFIYNENINIKSCVELISELALDFSNLSDSKRKKIMSRPFGVALLIGGVDKNGPCLWYTEPSGTNTRFSAASIGSAQEGAELLLQENYKKDMTFEQAEILALTVLRQVMEDKLSTSNVEICAIKKSDQTFYKYNTDDISRIIDVLPSPVYPTIDMTA

Entity 6 Entity 6 polymer

Description description	20S proteasome alpha-6 subunit
Molecular weight formula_weight	28871.7 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F,T

MYRNLYDTDNIIYSPEGRLYQVEYASEAIKQGTCAVAIKSKDYVVVSGLKKCISKLSFPQEKIFKIDDYIGISMSGITSDAKVLTKFMQNECLSHKFLYNENINIESLVRSVADKYQKNTQKSSKRAFGVGLMIAAYHNEPCIFETRPNGSYFEYDALSFGARSHASKTYLEKNLHLFEECSLEELILHCLKALKCSLSSESELTISNTALAVVGKNHPWQEISSLQLEEYLSKVKMDAEQEQVEENVQNEANE

Entity 7 Entity 7 polymer

Description description	20S proteasome alpha-7 subunit
Molecular weight formula_weight	29324.3 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G,U

MAGLSAGYDLSVSTFSPDGRLYQVEYIYKSINNNNTALCLECKDGIICCCINSNMDKNKMIKKNSYNRIYHVNNNIIITYSGFDGDARNIIDRARSEANTYYYNFHTNIPLHILVNRISLYIHAYTLYWHMRPFAASIIISSFNEKDKGDIYCIEPNGACYKYSGIVIGKNKEMFKTEIEKKDYKDINVRDAIEDIYKFILTSDDHMNKNNLQNLVNFSWICKESSYEFQNIHEEILTPALNKAVEYIEKLN

Entity 8 Entity 8 polymer

Description description	20S proteasome beta-1 subunit
Molecular weight formula_weight	29143.9 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H,V

TTIIGIIYDNGVMLACDSRTSSGTFISNKCSRKINRINENLYVCRSGASAHSQKIIEIIKHYCVSMKNENRKKGRFHEGETIYDETTYDEEIDIDSINYLDYNNNNDNNLVTKNKYFYEDKFNDYNPLVENVAHITKKIIYTNNNFLSCALIFGGYDKIKKQQLYAVNLNGSIIEKHDFAVSGSGSIYIQSYLQDKYKKFMTKKECFNLILNCVKYAMHNDNSSGGLIRIVNITKSFVEEFTVVNTQMNFQY

Entity 9 Entity 9 polymer

Description description	20S proteasome beta-2 subunit
Molecular weight formula_weight	25104.9 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I,W

TTICGLVCQNAVILGADTRATEGPIVADKNCSKLHYISKNIWCAGAGVAGDLEHTTLWLQHNVELHRLNTNTQPRVSMCVSRLTQELFKYQGYKVCAIVLGGVDVNGPQLYGIHPHGSSCLLPFTALGSGSLNAMAVLEAKYRDNMTIEEGKNLVCEAICAGIFNDLGSGGNVDICVITKDSYQHIRPYKEPNMRLYHLPHPTIYPKGTTPILSEKIEYIKKFISVEDA

Entity 10 Entity 10 polymer

Description description	20S proteasome beta-3 subunit
Molecular weight formula_weight	24533.1 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J,X

MGSIYNYNGGCVLGMSGSNCVAIACDLRLGANTFTTVSTKFSKIFKMNNNVYVGLSGLATDIQTLYEILRYRVNLYEVRQDAEMDVECFANMLSSILYSNRFSPYFVNPIVVGFKLKHYVDEEGEKKVNYEPYLTAYDLIGAKCETRDFVVNGVTSEQLFGMCESLYVKDQDENGLFETISQCLLSALDRDCISGWGAEVLVLTPEKIIKKKLKARMD

Entity 11 Entity 11 polymer

Description description	20S proteasome beta-4 subunit
Molecular weight formula_weight	22889.1 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K,Y

MDTLIGLRGNNFVVLAADTYSINSIIKLKNDDNTKFYDIHGNKCLLLGGSIGDRLQFGEFIRKNVHLYQYQNNTDMFVKSFAFFTRKNLAYYLRRNPFEVNCLIAGYDKKDGYQLYWCDYLSNMDSVNKGAHGYGAYLVSAILDKYYHENLTVDEALDIFKLCFEELKKRFLLTQINYELRIMYDNKVETQYVTV

Entity 12 Entity 12 polymer

Description description	20S proteasome beta-5 subunit
Molecular weight formula_weight	23620.6 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L,Z

TTTLAFKFKDGIIVAVDSRASMGSFISSQNVEKIIEINKNILGTMAGGAADCLYWEKYLGKIIKIYELRNNEKISVRAASTILSNILYQYKGYGLCCGIILSGYDHTGFNMFYVDDSGKKVEGNLFSCGSGSTYAYSILDSAYDYNLNLDQAVELARNAIYHATFRDGGSGGKVRVFHIHKNGYDKIIEGEDVFDLHYHYTNPEQKDQYVM

Entity 13 Entity 13 polymer

Description description	20S proteasome beta-6 subunit
Molecular weight formula_weight	27301.2 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M,a

MDLILYNDNLTEKKTEKENVIEHGRGFKRWYPYIDNGGTVIGLTGKDYVILAADTRLSLSYSIYTRFCPKISKLTDKCIIGSSGMQSDIKTLHSLLQKKIQLFVLEHSHYPDIHVIARLLCVILYSRRFFPYYAFNILAGVDENNKGVLYNYDSVGSYCEATHSCVGSGSQLILPILDNRVEQKNQLIKNTNFNLGDDINFVKDAITSATERDIYTGDKTLIYVIDKMGINVNTLDLKQD

Entity 14 Entity 14 polymer

Description description	20S proteasome beta-7 subunit
Molecular weight formula_weight	30909.9 kDa
EC 编号 ec_number	3.4.25.1
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	N,b

MTLGPVVTGTSVIAIKYKHGIMIAADRKASYGSYAKFQNVERIFKINNKTVMGFSGELADAQYLHELLTRKNINNLSEKKRKEDMYTPQHYHSYVSRVFYVRKNRIDPLFNNIIIAGINSQKYDNNDDNVLLYTNKNNDDEQNEYKNNEEYKEIHKDDLYIGFVDMHGTNFCDDYITTGYARYFALTLLRDHYKDNMTEEEARILINECLRILYFRDATSSNFIQIVKVTSKGVEYEEPYILPCVLNSADYVYPSTLLPPAGCMW

Entity 15 Entity 15 non-polymer

Description description	N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE
Molecular weight formula_weight	384.2 kDa
Source method src_method	syn
Copy count entity_count	6

▼

6. Fold Classification (SCOP + CATH) 16 domains

CATH v4.4 (16 domains)

Domain ID domain_id	7lxtA01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtB01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtC01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtD01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtE01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtH01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtI01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtL01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtO01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtP01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtQ01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtR01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtS01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtV01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtW01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

Domain ID domain_id	7lxtZ01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
Homologous superfamily homologous superfamily	10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

▶

Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	3.40 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	24536

Structure of Plasmodium falciparum 20S proteasome with bound bortezomib

1. Protein Identity and Related Structures Protein Identity & Related Structures

20S proteasome alpha-1 subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

20S proteasome alpha-2 subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

20S proteasome alpha-3 subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

20S proteasome alpha-4 subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

20S proteasome alpha-5 subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

20S proteasome alpha-6 subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

20S proteasome alpha-7 subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

20S proteasome beta-1 subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

20S proteasome beta-2 subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

20S proteasome beta-3 subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer