1UA3

Crystal structure of the pig pancreatic a-amylase complexed with malto-oligosaccharides

Structural Biology Knowledgebase: 1UA3 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.01 Å
  • R-Value Free: 0.196
  • R-Value Work: 0.175

Literature

Macromolecules
Sequence Display for 1UA3

Classification: HYDROLASE

Total Structure Weight: 57505.14

Macromolecule Entities
Molecule Chains Length Organism Details
Alpha-amylase, pancreatic A 496 Sus scrofa EC#: 3.2.1.1 IUBMB
Mutation: S123N, Q243K, A310S, V323I, E404Q
Gene Name(s): AMY2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 6 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
MLR
Query on MLR

A MALTOTRIOSE
AMYLOTRIOSE (Synonym)
C18 H32 O16
FYGDTMLNYKFZSV-PXXRMHSHSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MAL
Query on MAL

A MALTOSE
C12 H22 O11
GUBGYTABKSRVRQ-ASMJPISFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BGC
Query on BGC

A BETA-D-GLUCOSE
C6 H12 O6
WQZGKKKJIJFFOK-VFUOTHLCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
EDO
Query on EDO

A 1,2-ETHANEDIOL
ETHYLENE GLYCOL (Synonym)
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CL
Query on CL

A CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.01 Å
  • R-Value Free: 0.196
  • R-Value Work: 0.175
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 69.78 α = 90.00
b = 113.18 β = 90.00
c = 116.92 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-02-27
  • Released Date: 2003-10-14
  • Deposition author(s): Payan, F., Qian, M.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4