1XH0

Structure of the N298S variant of human pancreatic alpha-amylase complexed with acarbose

Structural Biology Knowledgebase: 1XH0 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.205
  • R-Value Work: 0.164

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1XH0

Classification: HYDROLASE

Total Structure Weight: 57096.00

Macromolecule Entities
Molecule Chains Length Organism Details
Alpha-amylase, pancreatic A 496 Homo sapiens EC#: 3.2.1.1 IUBMB
Mutation: Q1X, N298S
Gene Name(s): AMY2A Gene View

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

A ACARBOSE DERIVED HEXASACCHARIDE
4,6-DIDEOXY-4-{[4-[(4-O-HEXOPYRANOSYLHEXOPYRANOSYL)OXY]- 5,6-DIHYDROXY-3-(HYDROXYMETHYL)CYCLOHEX-2- EN-1-YL]AMINO}HEXOPYRANOSYL-(1->4)HEXOPYRANOSYL- (1->4)HEXOPYRANOSE (Synonym)
C37 H63 N O28
HAWINQMQXQMONI-OBPZNAFQSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAG
Query on NAG

A N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
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: 2.0 Å
  • R-Value Free: 0.205
  • R-Value Work: 0.164
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 53.40 α = 90.00
b = 69.10 β = 90.00
c = 132.40 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-09-17
  • Released Date: 2005-05-24
  • Deposition author(s): Maurus, R., Begum, A., Kuo, H.H., Racaza, A., Numao, S., Overall, C.M., Withers, S.G., Brayer, G.D.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update