2OAU | pdb_00002oau

Mechanosensitive Channel of Small Conductance (MscS)

PDB DOI: https://doi.org/10.2210/pdb2OAU/pdb
Entry: 2OAU supersedes: 1MXM

Classification: MEMBRANE PROTEIN
Organism(s): Escherichia coli
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No
Membrane Protein: Yes OPM PDBTM MemProtMD mpstruc

Deposited: 2006-12-17 Released: 2007-01-09
Deposition Author(s): Rees, D.C., Bass, R.B., Steinbacher, S., Strop, P., Barclay, M.T.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 3.70 Å
R-Value Free:
0.321 (Depositor), 0.297 (DCC)
R-Value Work:
0.293 (Depositor), 0.274 (DCC)

Starting Model: experimental
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This is version 1.3 of the entry. See complete history.

Literature

Structures of the Prokaryotic Mechanosensitive Channels MscL and MscS

Steinbacher, S., Bass, R., Strop, P., Rees, D.C.

(2007) Current Topics In Membranes 58

Macromolecule Content

Total Structure Weight: 231.66 kDa
Atom Count: 13,573
Modeled Residue Count: 1,778
Deposited Residue Count: 2,142
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Small-conductance mechanosensitive channel	A, B, C, D, E A, B, C, D, E, F, G	306	Escherichia coli	Mutation(s): 0 Gene Names: mscS Membrane Entity: Yes
UniProt
Find proteins for P0C0S1 (Escherichia coli (strain K12)) Explore P0C0S1 Go to UniProtKB: P0C0S1
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P0C0S1
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 3.70 Å
R-Value Free: 0.321 (Depositor), 0.297 (DCC)
R-Value Work: 0.293 (Depositor), 0.274 (DCC)

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 184.274	α = 90
b = 184.274	β = 90
c = 260.485	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction

Structure Validation

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View more in-depth experimental data

Entry History

Deposition Data

Released Date: 2007-01-09

Deposition Author(s):

Steinbacher, S.

This entry supersedes: 1MXM

Revision History (Full details and data files)

Version 1.0: 2007-01-09
Type: Initial release
Version 1.1: 2008-05-01
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Version format compliance
Version 1.3: 2023-08-30
Changes: Data collection, Database references, Refinement description

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.