7KB2

Putative ankyrin repeat domain-containing protein from Enterobacter cloacae

• PDB DOI: https://doi.org/10.2210/pdb7KB2/pdb

• Classification: PROTEIN BINDING
• Organism(s): Enterobacter cloacae subsp. cloacae ATCC 13047
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2020-10-01 Released: 2020-10-14 
• Deposition Author(s): Osipiuk, J., Tesar, C., Endres, M., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.226 
• R-Value Work: 0.180 
• R-Value Observed: 0.182 

Literature

Putative ankyrin repeat domain-containing protein from Enterobacter cloacae

Osipiuk, J., Tesar, C., Endres, M., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 40.34 kDa 
• Atom Count: 3,097 
• Modelled Residue Count: 358 
• Deposited Residue Count: 360 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ANK_REP_REGION domain-containing protein	A, B	180	Enterobacter cloacae subsp. cloacae ATCC 13047	Mutation(s): 0  Gene Names: ECL_01554
UniProt
Find proteins for A0A0H3CKN4 (Enterobacter cloacae subsp. cloacae (strain ATCC 13047 / DSM 30054 / NBRC 13535 / NCTC 10005 / WDCM 00083 / NCDC 279-56)) Explore A0A0H3CKN4  Go to UniProtKB:  A0A0H3CKN4

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
1PE	C [auth A]	PENTAETHYLENE GLYCOL C10 H22 O6 JLFNLZLINWHATN-UHFFFAOYSA-N
EDO	E [auth A], F [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
ACT	D [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.226 
• R-Value Work: 0.180 
• R-Value Observed: 0.182 
• Space Group: P 2₁ 2₁ 2₁
• Diffraction Data: https://doi.org/10.18430/m37kb2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.587	α = 90
b = 56.354	β = 90
c = 106.123	γ = 90

Software Package:

Software Name	Purpose
HKL-3000	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data reduction
HKL-3000	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-10-14 
Deposition Author(s): Osipiuk, J., Tesar, C., Endres, M., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	HHSN272201200026C
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	HHSN272201700060C

Revision History  

• Version 1.0: 2020-10-14
  Type: Initial release
  
• Version 1.1: 2024-10-16
  Changes: Data collection, Database references, Structure summary