Biological Assembly 1  

 3D View: Structure

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 21-mer - A7B1C1D1E1F1G1H1I1J1K1L1M1N1O1 Pseudo Symmetry: Cyclic - C7  (3D View)
Pseudo Stoichiometry: Hetero 21-mer - A14B7 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: assay for oligomerization

Macromolecule Content

• Total Structure Weight: 523.66 kDa 
• Atom Count: 34917 
• Residue Count: 4555 
• Unique protein chains: 15

6XMJ

Human 20S proteasome bound to an engineered 11S (PA26) activator

• DOI: 10.2210/pdb6XMJ/pdb
• EMDataResource: EMD-22259

• Classification: HYDROLASE
• Organism(s): Homo sapiens, Trypanosoma brucei
• Expression System: Homo sapiens, Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2020-06-30 Released: 2020-07-22 
• Deposition Author(s): de la Pena, A.H., Opoku-Nsiah, K.A., Williams, S.K., Chopra, N., Sali, A., Gestwicki, J.E., Lander, G.C.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), American Cancer Society

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.00 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

The Yphi Motif Defines the Structure-Activity Relationships of Human 20S Proteasome Activators

de la Pena, A.H., Opoku-Nsiah, K.A., Williams, S.K., Chopra, N., Sali, A., Gestwicki, J.E., Lander, G.C.

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit alpha type-6	A	244	Homo sapiens	Mutation(s): 0  Gene Names: PSMA6, PROS27 EC: 3.4.25.1
Find proteins for P60900 (Homo sapiens) Explore P60900  Go to UniProtKB:  P60900
NIH Common Fund Data Resources
PHAROS:  P60900 GTEx:  ENSG00000100902

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit alpha type-2	B	233	Homo sapiens	Mutation(s): 0  Gene Names: PSMA2, HC3, PSC3 EC: 3.4.25.1
Find proteins for P25787 (Homo sapiens) Explore P25787  Go to UniProtKB:  P25787
NIH Common Fund Data Resources
PHAROS:  P25787 GTEx:  ENSG00000106588

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit alpha type-4	C	250	Homo sapiens	Mutation(s): 0  Gene Names: PSMA4, HC9, PSC9 EC: 3.4.25.1
Find proteins for P25789 (Homo sapiens) Explore P25789  Go to UniProtKB:  P25789
NIH Common Fund Data Resources
PHAROS:  P25789 GTEx:  ENSG00000041357

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit alpha type-7	D	243	Homo sapiens	Mutation(s): 0  Gene Names: PSMA7, HSPC EC: 3.4.25.1
Find proteins for O14818 (Homo sapiens) Explore O14818  Go to UniProtKB:  O14818
NIH Common Fund Data Resources
PHAROS:  O14818 GTEx:  ENSG00000101182

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit alpha type-5	E	234	Homo sapiens	Mutation(s): 0  Gene Names: PSMA5 EC: 3.4.25.1
Find proteins for P28066 (Homo sapiens) Explore P28066  Go to UniProtKB:  P28066
NIH Common Fund Data Resources
PHAROS:  P28066 GTEx:  ENSG00000143106

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit alpha type-1	F	238	Homo sapiens	Mutation(s): 0  Gene Names: PSMA1, HC2, NU, PROS30, PSC2 EC: 3.4.25.1
Find proteins for P25786 (Homo sapiens) Explore P25786  Go to UniProtKB:  P25786
NIH Common Fund Data Resources
PHAROS:  P25786 GTEx:  ENSG00000129084

Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit alpha type-3	G	245	Homo sapiens	Mutation(s): 0  Gene Names: PSMA3, HC8, PSC8 EC: 3.4.25.1
Find proteins for P25788 (Homo sapiens) Explore P25788  Go to UniProtKB:  P25788
NIH Common Fund Data Resources
PHAROS:  P25788 GTEx:  ENSG00000100567

Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit beta type-6	H	202	Homo sapiens	Mutation(s): 0  Gene Names: PSMB6, LMPY, Y EC: 3.4.25.1
Find proteins for P28072 (Homo sapiens) Explore P28072  Go to UniProtKB:  P28072
NIH Common Fund Data Resources
PHAROS:  P28072 GTEx:  ENSG00000142507

Entity ID: 9
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit beta type-7	I	220	Homo sapiens	Mutation(s): 0  Gene Names: PSMB7, Z EC: 3.4.25.1
Find proteins for Q99436 (Homo sapiens) Explore Q99436  Go to UniProtKB:  Q99436
NIH Common Fund Data Resources
PHAROS:  Q99436 GTEx:  ENSG00000136930

Entity ID: 10
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit beta type-3	J	204	Homo sapiens	Mutation(s): 0  Gene Names: PSMB3 EC: 3.4.25.1
Find proteins for P49720 (Homo sapiens) Explore P49720  Go to UniProtKB:  P49720
NIH Common Fund Data Resources
PHAROS:  P49720 GTEx:  ENSG00000277791

Entity ID: 11
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit beta type-2	K	199	Homo sapiens	Mutation(s): 0  Gene Names: PSMB2 EC: 3.4.25.1
Find proteins for P49721 (Homo sapiens) Explore P49721  Go to UniProtKB:  P49721
NIH Common Fund Data Resources
PHAROS:  P49721 GTEx:  ENSG00000126067

Entity ID: 12
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit beta type-5	L	201	Homo sapiens	Mutation(s): 0  Gene Names: PSMB5, LMPX, MB1, X EC: 3.4.25.1
Find proteins for P28074 (Homo sapiens) Explore P28074  Go to UniProtKB:  P28074
NIH Common Fund Data Resources
PHAROS:  P28074 GTEx:  ENSG00000100804

Entity ID: 13
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit beta type-1	M	213	Homo sapiens	Mutation(s): 0  Gene Names: PSMB1, PSC5 EC: 3.4.25.1
Find proteins for P20618 (Homo sapiens) Explore P20618  Go to UniProtKB:  P20618
NIH Common Fund Data Resources
PHAROS:  P20618 GTEx:  ENSG00000008018

Entity ID: 14
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome subunit beta type-4	N	217	Homo sapiens	Mutation(s): 0  Gene Names: PSMB4, PROS26 EC: 3.4.25.1
Find proteins for P28070 (Homo sapiens) Explore P28070  Go to UniProtKB:  P28070
NIH Common Fund Data Resources
PHAROS:  P28070 GTEx:  ENSG00000159377

Entity ID: 15
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteasome activator protein PA26	O, P, Q, R, S, T, U	228	Trypanosoma brucei	Mutation(s): 3
Find proteins for Q9U8G2 (Trypanosoma brucei) Explore Q9U8G2  Go to UniProtKB:  Q9U8G2

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.00 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Deposited Date: 2020-06-30 
• Released Date: 2020-07-22 
Deposition Author(s): de la Pena, A.H., Opoku-Nsiah, K.A., Williams, S.K., Chopra, N., Sali, A., Gestwicki, J.E., Lander, G.C.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	DP2-EB020402
American Cancer Society	United States	132279-PF-18-189-01- DMC

Revision History 

• Version 1.0: 2020-07-22
  Type: Initial release