1JFH

STRUCTURE OF A PANCREATIC ALPHA-AMYLASE BOUND TO A SUBSTRATE ANALOGUE AT 2.03 ANGSTROM RESOLUTION

Structural Biology Knowledgebase: 1JFH SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.03 Å
  • R-Value Free: 0.185
  • R-Value Work: 0.160

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1JFH

Classification: HYDROLASE

Total Structure Weight: 56914.79

Macromolecule Entities
Molecule Chains Length Organism Details
ALPHA-AMYLASE A 496 Sus scrofa EC#: 3.2.1.1 IUBMB
Mutation: I49V, Q243K, A310S, V323I
Details: COMPLEXED WITH METHYL 4,4'-DITHIO-ALPHA-MALTOTRIOSIDE
Gene Name(s): AMY2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 7 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
MA1
Query on MA1

A 1,4-dithio-alpha-D-glucopyranose
C6 H12 O4 S2
MUOMBPNNVXJUGT-QZABAPFNSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MA2
Query on MA2

A 4-S-methyl-4-thio-alpha-D-glucopyranose
C7 H14 O5 S
UYUQSQYXZFSOEM-GKHCUFPYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MA3
Query on MA3

A O1-METHYL-4-DEOXY-4-THIO-ALPHA-D-GLUCOSE
C7 H14 O5 S
PFROTWRHYMLGHR-GKHCUFPYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
HG
Query on HG

A MERCURY (II) ION
Hg
BQPIGGFYSBELGY-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GLC
Query on GLC

A ALPHA-D-GLUCOSE
C6 H12 O6
WQZGKKKJIJFFOK-DVKNGEFBSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

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

A CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
PCA
Query on PCA
A L-PEPTIDE LINKING C5 H7 N O3 GLU

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.03 Å
  • R-Value Free: 0.185
  • R-Value Work: 0.160
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 56.30 α = 90.00
b = 87.80 β = 90.00
c = 103.40 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-09-19
  • Released Date: 1998-12-02
  • Deposition author(s): Qian, M., Payan, F.

Revision History

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