6LAR

Structure of ESX-3 complex

• PDB DOI: https://doi.org/10.2210/pdb6LAR/pdb
• EM Map EMD-0862: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Mycolicibacterium smegmatis MC2 155
• Expression System: Escherichia coli
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTM


• Deposited: 2019-11-13 Released: 2020-11-18 
• Deposition Author(s): Wang, S.H., Zhou, K.X., Li, J., Rao, Z.H.

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

cryo-em structure of esx-3

Wang, S.H., Zhou, K.X., Li, J., Rao, Z.H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 10-mer - A4B2C2D1E1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 10-mer - A4B2C2D2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: cross-linking

Macromolecule Content

• Total Structure Weight: 466.79 kDa 
• Atom Count: 22,448 
• Modelled Residue Count: 3,020 
• Deposited Residue Count: 4,452 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ESX-3 secretion system ATPase EccB3	A, H [auth I]	518	Mycolicibacterium smegmatis MC2 155	Mutation(s): 0  Gene Names: eccB3 EC: 3.6 Membrane Entity: Yes
UniProt
Find proteins for A0QQ39 (Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155)) Explore A0QQ39  Go to UniProtKB:  A0QQ39

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
ESX-3 secretion system protein EccD3	B, C, F [auth E], G [auth H]	475	Mycolicibacterium smegmatis MC2 155	Mutation(s): 0  Gene Names: eccD3 Membrane Entity: Yes
UniProt
Find proteins for A0QQ46 (Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155)) Explore A0QQ46  Go to UniProtKB:  A0QQ46

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
ESX-3 secretion system protein EccC3	D [auth F], I [auth J]	449	Mycolicibacterium smegmatis MC2 155	Mutation(s): 0  Gene Names: eccC3 Membrane Entity: Yes
UniProt
Find proteins for A0QQ40 (Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155)) Explore A0QQ40  Go to UniProtKB:  A0QQ40

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
ESX-3 secretion system protein EccE3	E [auth G], J [auth D]	309	Mycolicibacterium smegmatis MC2 155	Mutation(s): 0  Gene Names: eccE3 Membrane Entity: Yes
UniProt
Find proteins for A0QQ48 (Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155)) Explore A0QQ48  Go to UniProtKB:  A0QQ48

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-11-18 
Deposition Author(s): Wang, S.H., Zhou, K.X., Li, J., Rao, Z.H.

Revision History  

• Version 1.0: 2020-11-18
  Type: Initial release
  
• Version 1.1: 2024-03-27
  Changes: Data collection, Database references