1JXK

Role of ethe mobile loop in the mehanism of human salivary amylase


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.200
  • R-Value Work: 0.173

Literature

Macromolecules
Sequence Display for 1JXK

Classification: HYDROLASE

Total Structure Weight: 55717.48

Macromolecule Entities
Molecule Chains Length Organism Details
Alpha-amylase, salivary A 491 Homo sapiens EC#: 3.2.1.1 IUBMB
Fragment: lacking the loop residues 306-310
Mutation: Q1X, ΔG321, ΔA322, ΔG323, ΔG324, ΔA325
Gene Name(s): AMY1A Gene View AMY1 AMY1B Gene View AMY1C Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
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)
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: 1.9 Å
  • R-Value Free: 0.200
  • R-Value Work: 0.173
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 52.90 α = 90.00
b = 75.74 β = 90.00
c = 134.55 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-09-07
  • Released Date: 2001-09-14
  • Deposition author(s): Ramasubbu, N., Ragunath, C., Wang, Z.

Revision History

  • 2008-04-27
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance