7RAZ

Small conductance mechanosensitive channel MscS

• PDB DOI: https://doi.org/10.2210/pdb7RAZ/pdb
• EM Map EMD-24390: EMDB EMDataResource

• Classification: TRANSPORT PROTEIN
• Organism(s): Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 
• Membrane Protein: Yes  PDBTM


• Deposited: 2021-07-05 Released: 2022-07-13 
• Deposition Author(s): Catalano, C., Ben-Hail, D., Qiu, W., des Georges, A., Guo, Y.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental

Literature

Small conductance mechanosensitive channel MscS

Catalano, C., Ben-Hail, D., Qiu, W., des Georges, A., Guo, Y.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C7  (Explore in 3D)
Global Stoichiometry: Homo 7-mer - A7 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 221.6 kDa 
• Atom Count: 10,472 
• Modelled Residue Count: 1,330 
• Deposited Residue Count: 2,002 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Small-conductance mechanosensitive channel	A, B, C, D, E, F, G	286	Escherichia coli 'BL21-Gold(DE3)pLysS AG	Mutation(s): 0  Gene Names: mscS, yggB, b2924, JW2891 Membrane Entity: Yes
UniProt
Find proteins for P0C0S1 (Escherichia coli (strain K12)) Explore P0C0S1  Go to UniProtKB:  P0C0S1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PTY (Subject of Investigation/LOI)	H [auth A], I [auth B], J [auth C], K [auth D], L [auth E], M [auth F], N [auth G]	PHOSPHATIDYLETHANOLAMINE C40 H80 N O8 P NJGIRBISCGPRPF-KXQOOQHDSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-07-13 
Deposition Author(s): Catalano, C., Ben-Hail, D., Qiu, W., des Georges, A., Guo, Y.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	1R01GM132329
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	1R35GM133598

Revision History  

• Version 1.0: 2022-07-13
  Type: Initial release
  
• Version 1.1: 2024-06-05
  Changes: Data collection, Refinement description