6SN4

BamABCDE in MSP1D1 nanodisc ensemble 0-4

• PDB DOI: https://doi.org/10.2210/pdb6SN4/pdb
• EM Map EMD-10251: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTMmpstruc


• Deposited: 2019-08-23 Released: 2021-03-31 
• Deposition Author(s): Iadanza, M.G., Ranson, N.A., Radford, S.E., Higgins, A.J., Calabrese, A.N., Schiffrin, B., White, P.
• Funding Organization(s): Medical Research Council (United Kingdom), Wellcome Trust

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 9.50 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental

Literature

BamABCDE in MSP1D1 nanodisc ensemble 0-4

Iadanza, M.G., Ranson, N.A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 5-mer - A1B1C1D1E1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: native gel electrophoresis

Macromolecule Content

• Total Structure Weight: 168.31 kDa 
• Atom Count: 11,866 
• Modelled Residue Count: 1,518 
• Deposited Residue Count: 1,518 
• Unique protein chains: 5

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane protein assembly factor BamA	A	783	Escherichia coli	Mutation(s): 0  Gene Names: bamA, yaeT, ECS88_0187 Membrane Entity: Yes
UniProt
Find proteins for P0A940 (Escherichia coli (strain K12)) Explore P0A940  Go to UniProtKB:  P0A940

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane protein assembly factor BamB	B	371	Escherichia coli	Mutation(s): 0  Gene Names: bamB, C4J69_10710 Membrane Entity: Yes
UniProt
Find proteins for P77774 (Escherichia coli (strain K12)) Explore P77774  Go to UniProtKB:  P77774

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane protein assembly factor BamC	C	59	Escherichia coli	Mutation(s): 0  Gene Names: bamC, C9186_08245 Membrane Entity: Yes
UniProt
Find proteins for P0A903 (Escherichia coli (strain K12)) Explore P0A903  Go to UniProtKB:  P0A903

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane protein assembly factor BamD	D	218	Escherichia coli	Mutation(s): 0  Gene Names: bamD, yfiO, Z3889, ECs3458 Membrane Entity: Yes
UniProt
Find proteins for P0AC02 (Escherichia coli (strain K12)) Explore P0AC02  Go to UniProtKB:  P0AC02

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane protein assembly factor BamE	E	87	Escherichia coli	Mutation(s): 0  Gene Names: bamE, smpA, c3139 Membrane Entity: Yes
UniProt
Find proteins for P0A937 (Escherichia coli (strain K12)) Explore P0A937  Go to UniProtKB:  P0A937

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 9.50 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	MDFF
MODEL REFINEMENT	PHENIX
RECONSTRUCTION	RELION

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-03-31 
Deposition Author(s): Iadanza, M.G., Ranson, N.A., Radford, S.E., Higgins, A.J., Calabrese, A.N., Schiffrin, B., White, P.

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Funding Organization	Location	Grant Number
Medical Research Council (United Kingdom)	United Kingdom	MR/P018491/1
Wellcome Trust	United Kingdom	090932/Z/09/Z
Wellcome Trust	United Kingdom	094232/Z/10/Z
Wellcome Trust	United Kingdom	105220/Z/14/Z

Revision History  

• Version 1.0: 2021-03-31
  Type: Initial release
  
• Version 1.1: 2024-05-22
  Changes: Data collection, Database references, Refinement description