1ZS2

Amylosucrase Mutant E328Q in a ternary complex with sucrose and maltoheptaose


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.16 Å
  • R-Value Free: 0.221 
  • R-Value Work: 0.178 
  • R-Value Observed: 0.178 

wwPDB Validation   3D Report Full Report


This is version 2.0 of the entry. See complete history


Literature

Crystal structure of the Glu328Gln mutant of Neisseria polysaccharea amylosucrase in complex with sucrose and maltoheptaose

Skov, L.K.Mirza, O.Sprogoe, D.van der Veen, B.A.Remaud-Simeon, M.Albenne, C.Monsan, P.Gajhede, M.

(2006) Biocatal Biotransformation 24: 99-105


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
amylosucraseA628Neisseria polysacchareaMutation(s): 1 
Gene Names: ams
EC: 2.4.1.4
Find proteins for Q9ZEU2 (Neisseria polysaccharea)
Explore Q9ZEU2 
Go to UniProtKB:  Q9ZEU2
Protein Feature View
Expand
  • Reference Sequence
Oligosaccharides

Help

Entity ID: 2
MoleculeChainsChain Length2D Diagram Glycosylation3D Interactions
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranoseB4 N/A Oligosaccharides Interaction
Entity ID: 3
MoleculeChainsChain Length2D Diagram Glycosylation3D Interactions
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranoseC3 N/A Oligosaccharides Interaction
Entity ID: 4
MoleculeChainsChain Length2D Diagram Glycosylation3D Interactions
beta-D-fructofuranose-(2-1)-alpha-D-glucopyranoseD2 N/A Oligosaccharides Interaction
Biologically Interesting Molecules (External Reference) 3 Unique
Entity ID: 2
IDChainsNameType/Class2D Diagram3D Interactions
PRD_900010
Query on PRD_900010
Balpha-maltotetraoseOligosaccharide /  Substrate analog

--

Entity ID: 3
IDChainsNameType/Class2D Diagram3D Interactions
PRD_900009
Query on PRD_900009
Calpha-maltotrioseOligosaccharide /  Nutrient

--

Entity ID: 4
IDChainsNameType/Class2D Diagram3D Interactions
PRD_900003
Query on PRD_900003
DsucroseOligosaccharide /  Nutrient

--

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.16 Å
  • R-Value Free: 0.221 
  • R-Value Work: 0.178 
  • R-Value Observed: 0.178 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 95.741α = 90
b = 116.358β = 90
c = 61.051γ = 90
Software Package:
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2006-05-02
    Type: Initial release
  • Version 1.1: 2008-04-30
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2018-01-31
    Changes: Data collection, Database references
  • 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