4HA1

MutB inactive double mutant D200A-D415N in complex with isomaltulose

• PDB DOI: https://doi.org/10.2210/pdb4HA1/pdb

• Classification: ISOMERASE
• Organism(s): Rhizobium sp. MX-45
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2012-09-25 Released: 2013-09-25 
• Deposition Author(s): Lipski, A., Haser, R., Aghajari, N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.251 
• R-Value Work: 0.192 
• R-Value Observed: 0.195 

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: 128.39 kDa 
• Atom Count: 10,182 
• Modelled Residue Count: 1,113 
• Deposited Residue Count: 1,114 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sucrose isomerase	A, B	557	Rhizobium sp. MX-45	Mutation(s): 2  Gene Names: mutB
UniProt
Find proteins for M1E1F6 (Rhizobium sp. MX-45) Explore M1E1F6  Go to UniProtKB:  M1E1F6

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ISL	D [auth A]	6-O-alpha-D-glucopyranosyl-D-fructose C12 H22 O11 RJPPRBMGVWEZRR-WTZPKTTFSA-N
GLC	F [auth B]	alpha-D-glucopyranose C6 H12 O6 WQZGKKKJIJFFOK-DVKNGEFBSA-N
CA	C [auth A], E [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.251 
• R-Value Work: 0.192 
• R-Value Observed: 0.195 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.6	α = 66.55
b = 73.35	β = 73.86
c = 82.64	γ = 71.86

Software Package:

Software Name	Purpose
ADSC	data collection
REFMAC	refinement
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
REFMAC	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-09-25 
Deposition Author(s): Lipski, A., Haser, R., Aghajari, N.

Revision History  

• Version 1.0: 2013-09-25
  Type: Initial release
  
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Database references, Derived calculations, Structure summary
• Version 2.1: 2023-11-08
  Changes: Data collection, Database references, Refinement description, Structure summary