1Z32

Structure-function relationships in human salivary alpha-amylase: Role of aromatic residues


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.60 Å
  • R-Value Free: 0.192 
  • R-Value Work: 0.171 
  • R-Value Observed: 0.172 

wwPDB Validation 3D Report Full Report


This is version 2.1 of the entry. See complete history


Literature

Structure-function relationships in human salivary alpha-amylase: Role of aromatic residues

Ramasubbu, N.Ragunath, C.Sundar, K.Mishra, P.J.Gyemant, G.Kandra, L.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Salivary alpha-amylaseX496Homo sapiensMutation(s): 1 
Gene Names: AMY1AAMY1AMY1BAMY1C
EC: 3.2.1.1
Find proteins for P04745 (Homo sapiens)
Explore P04745 
Go to UniProtKB:  P04745
NIH Common Fund Data Resources
PHAROS  P04745
Protein Feature View
 ( Mouse scroll to zoom / Hold left click to move )
  • Reference Sequence
Small Molecules
Ligands 5 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GLC
Query on GLC

Download CCD File 
X
alpha-D-glucopyranose
C6 H12 O6
WQZGKKKJIJFFOK-DVKNGEFBSA-N
 Ligand Interaction
HMC
Query on HMC

Download CCD File 
X
5-HYDROXYMETHYL-CHONDURITOL
C7 H12 O5
PJPGMULJEYSZBS-VZFHVOOUSA-N
 Ligand Interaction
AGL
Query on AGL

Download CCD File 
X
4-amino-4,6-dideoxy-alpha-D-glucopyranose
C6 H13 N O4
RJKBJEZZABBYBA-DVKNGEFBSA-N
 Ligand Interaction
CA
Query on CA

Download CCD File 
X
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
CL
Query on CL

Download CCD File 
X
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
PCA
Query on PCA
XL-PEPTIDE LINKINGC5 H7 N O3GLN
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.60 Å
  • R-Value Free: 0.192 
  • R-Value Work: 0.171 
  • R-Value Observed: 0.172 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 51.657α = 90
b = 73.513β = 90
c = 134.362γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2005-05-31
    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: 2018-02-14
    Changes: Advisory, Experimental preparation
  • Version 2.0: 2019-12-25
    Changes: Data collection, Database references, Derived calculations, Polymer sequence
  • Version 2.1: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Advisory, Data collection, Derived calculations, Structure summary