4EV1

Anabaena Tic22 (protein transport)

• PDB DOI: https://doi.org/10.2210/pdb4EV1/pdb

• Classification: CHAPERONE
• Organism(s): Anabaena sp.
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2012-04-25 Released: 2012-05-16 
• Deposition Author(s): Koenig, P., Schleiff, E., Sinning, I., Tews, I.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.249 
• R-Value Work: 0.197 
• R-Value Observed: 0.200 

Literature

Functional conservation of Tic22 in cyanobacterial outer membrane protein assembly and chloroplast translocation.

Tripp, J., Hahn, A., Koenig, P., Flinner, N., Bublak, D., Ertel, F., Mirus, O., Sinning, I., Tews, I., Schleiff, E.

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: 28.84 kDa 
• Atom Count: 1,998 
• Modelled Residue Count: 226 
• Deposited Residue Count: 252 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Anabena Tic22	A	252	Anabaena sp.	Mutation(s): 0  Gene Names: alr0114
UniProt
Find proteins for Q8Z0I2 (Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576)) Explore Q8Z0I2  Go to UniProtKB:  Q8Z0I2

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NHE	C [auth A], D [auth A]	2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID C8 H17 N O3 S MKWKNSIESPFAQN-UHFFFAOYSA-N
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
EDO	E [auth A], F [auth A], G [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.249 
• R-Value Work: 0.197 
• R-Value Observed: 0.200 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.168	α = 90
b = 111.19	β = 125.36
c = 44.152	γ = 90

Software Package:

Software Name	Purpose
DNA	data collection
SOLVE	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-05-16 
Deposition Author(s): Koenig, P., Schleiff, E., Sinning, I., Tews, I.

Revision History  

• Version 1.0: 2012-05-16
  Type: Initial release
  
• Version 1.1: 2024-02-28
  Changes: Data collection, Database references, Derived calculations