3WDJ

Crystal structure of Pullulanase complexed with maltotetraose from Anoxybacillus sp. LM18-11

• PDB DOI: https://doi.org/10.2210/pdb3WDJ/pdb

• Classification: HYDROLASE
• Organism(s): Anoxybacillus sp. LM18-11
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-06-18 Released: 2014-04-30 
• Deposition Author(s): Xu, J., Ren, F., Huang, C.H., Zheng, Y., Zhen, J., Ko, T.P., Chen, C.C., Chan, H.C., Guo, R.T., Ma, Y., Song, H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.22 Å
• R-Value Free: 0.217 
• R-Value Work: 0.181 
• R-Value Observed: 0.181 

Starting Model: experimental

Literature

Cloning, Expression, Functional and Structural Studies of Pullulanase from Anoxybacillus sp. LM18-11

Xu, J., Ren, F., Huang, C.H., Zheng, Y., Zhen, J., Chen, C.C., Chan, H.C., Guo, R.T., Ma, Y., Song, H.

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)

Macromolecule Content

• Total Structure Weight: 84.88 kDa 
• Atom Count: 6,412 
• Modelled Residue Count: 683 
• Deposited Residue Count: 710 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Type I pullulanase	A	710	Anoxybacillus sp. LM18-11	Mutation(s): 0  Gene Names: pulA EC: 3.2.1.41
UniProt
Find proteins for K9L0H1 (Anoxybacillus sp. LM18-11) Explore K9L0H1  Go to UniProtKB:  K9L0H1

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose	B, C, D, E	4		N/A
Glycosylation Resources
GlyTouCan:  G87171PZ GlyCosmos:  G87171PZ GlyGen:  G87171PZ

Small Molecules

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

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900010	B, C, D, E	alpha-maltotetraose	Oligosaccharide / Substrate analog

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.22 Å
• R-Value Free: 0.217 
• R-Value Work: 0.181 
• R-Value Observed: 0.181 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 139.971	α = 90
b = 65.929	β = 90
c = 90.921	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-04-30 
Deposition Author(s): Xu, J., Ren, F., Huang, C.H., Zheng, Y., Zhen, J., Ko, T.P., Chen, C.C., Chan, H.C., Guo, R.T., Ma, Y., Song, H.

Revision History  

• Version 1.0: 2014-04-30
  Type: Initial release
  
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Structure summary
• Version 2.1: 2023-11-08
  Changes: Data collection, Database references, Refinement description, Structure summary