6CIA

Crystal structure of aldo-keto reductase from Klebsiella pneumoniae in complex with NADPH.

• PDB DOI: https://doi.org/10.2210/pdb6CIA/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Klebsiella pneumoniae
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2018-02-23 Released: 2018-03-07 
• Deposition Author(s): Lipowska, J., Leung, E.S., Shabalin, I.G., Grabowski, M., Almo, S.C., Satchell, K.J., Joachimiak, A., Lewinski, K., Minor, W., Center for Structural Genomics of Infectious Diseases (CSGID)
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.230 
• R-Value Work: 0.167 
• R-Value Observed: 0.171 

Starting Model: experimental

Literature

Crystal structure of of aldo-keto reductase from Klebsiella pneumoniae in complex with NADPH.

Lipowska, J., Leung, E.S., Shabalin, I.G., Grabowski, M., Almo, S.C., Satchell, K.J., Joachimiak, A., Lewinski, K., Minor, W.

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 Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 32.51 kDa 
• Atom Count: 2,439 
• Modelled Residue Count: 284 
• Deposited Residue Count: 285 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aldo/keto reductase	A	285	Klebsiella pneumoniae	Mutation(s): 0  Gene Names:  yhdN_4, yhdN, B1727_06910, B4U21_09420, BN49_2327, CAK82_20800, CQB04_18905, CR230_19100, CTI52_15935, CTI54_15930, PMK1_03573, SAMEA3531778_00013 EC: 1.1.1
UniProt
Find proteins for A6T7Q7 (Klebsiella pneumoniae subsp. pneumoniae (strain ATCC 700721 / MGH 78578)) Explore A6T7Q7  Go to UniProtKB:  A6T7Q7

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NDP	B [auth A]	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H30 N7 O17 P3 ACFIXJIJDZMPPO-NNYOXOHSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.230 
• R-Value Work: 0.167 
• R-Value Observed: 0.171 
• Space Group: P 3₂ 2 1
• Diffraction Data: https://doi.org/10.18430/m36cia

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.626	α = 90
b = 83.626	β = 90
c = 72.834	γ = 120

Software Package:

Software Name	Purpose
MD2	data collection
HKL-3000	data scaling
SCALEPACK	data scaling
HKL-3000	data reduction
HKL-3000	phasing
MOLREP	phasing
REFMAC	refinement

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-03-07 
Deposition Author(s): Lipowska, J., Leung, E.S., Shabalin, I.G., Grabowski, M., Almo, S.C., Satchell, K.J., Joachimiak, A., Lewinski, K., Minor, W., Center for Structural Genomics of Infectious Diseases (CSGID)

---

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

Revision History  

• Version 1.0: 2018-03-07
  Type: Initial release
  
• Version 1.1: 2019-02-20
  Changes: Author supporting evidence, Data collection
• Version 1.2: 2022-03-23
  Changes: Author supporting evidence, Database references
• Version 1.3: 2023-10-04
  Changes: Data collection, Refinement description