2FH8

Crystal Structure Analysis of Klebsiella pneumoniae pullulanase complexed with isomaltose

• PDB DOI: https://doi.org/10.2210/pdb2FH8/pdb

• Classification: HYDROLASE
• Organism(s): Klebsiella pneumoniae
• Mutation(s): No 


• Deposited: 2005-12-23 Released: 2006-06-13 
• Deposition Author(s): Mikami, B., Iwamoto, H., Katsuya, Y., Yoon, H.-J., Demirkan-Sarikaya, E., Malle, D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.221 
• R-Value Work: 0.177 
• R-Value Observed: 0.177 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 117.74 kDa 
• Atom Count: 8,236 
• Modelled Residue Count: 922 
• Deposited Residue Count: 1,083 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-dextrin endo-1,6-alpha-glucosidase	A	1,083	Klebsiella pneumoniae	Mutation(s): 0  EC: 3.2.1.41
UniProt
Find proteins for W9BQ28 (Klebsiella pneumoniae) Explore W9BQ28  Go to UniProtKB:  W9BQ28

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-6)-beta-D-glucopyranose	B	2		N/A
Glycosylation Resources
GlyTouCan:  G45624LJ GlyCosmos:  G45624LJ

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	C [auth A], D [auth A], E [auth A], F [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.221 
• R-Value Work: 0.177 
• R-Value Observed: 0.177 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 149.525	α = 90
b = 60.32	β = 112.62
c = 134.019	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
PHASES	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-06-13 
Deposition Author(s): Mikami, B., Iwamoto, H., Katsuya, Y., Yoon, H.-J., Demirkan-Sarikaya, E., Malle, D.

Revision History  

• Version 1.0: 2006-06-13
  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: 2017-10-18
  Changes: Refinement description
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2021-11-10
  Changes: Database references, Structure summary
• Version 2.2: 2022-03-09
  Changes: Database references, Source and taxonomy, Structure summary