4QAY

Crystal structure of TamA POTRA domains

• PDB DOI: https://doi.org/10.2210/pdb4QAY/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): human gut metagenome
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2014-05-06 Released: 2015-11-18 
• Deposition Author(s): Wojdyla, J.A., Mosbahi, K., Walker, D., Kleanthous, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 0.261 
• R-Value Work: 0.198 
• R-Value Observed: 0.201 

Literature

Recognition of autotransporter passenger domains by the TAM complex

Josts, I., Mosbahi, K., Wojdyla, J.A., Kelly, S., Kleanthous, C., Byron, O., Smith, B.O., Walker, D.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 31.93 kDa 
• Atom Count: 2,133 
• Modelled Residue Count: 248 
• Deposited Residue Count: 281 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Translocation and assembly module TamA	A	281	human gut metagenome	Mutation(s): 0  Gene Names: Q604_UNBC18528G0002, TamA
UniProt
Find proteins for W1WMC8 (human gut metagenome) Explore W1WMC8  Go to UniProtKB:  W1WMC8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	B [auth A], C [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 0.261 
• R-Value Work: 0.198 
• R-Value Observed: 0.201 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.455	α = 90
b = 78.455	β = 90
c = 152.082	γ = 90

Software Package:

Software Name	Purpose
GDA	data collection
SHELXS	phasing
REFMAC	refinement
XDS	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-11-18 
Deposition Author(s): Wojdyla, J.A., Mosbahi, K., Walker, D., Kleanthous, C.

Revision History  

• Version 1.0: 2015-11-18
  Type: Initial release
  
• Version 1.1: 2018-06-20
  Changes: Data collection
• Version 1.2: 2024-02-28
  Changes: Data collection, Database references, Derived calculations