3BLK

Role of aromatic residues in starch binding

Structural Biology Knowledgebase: 3BLK SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.215
  • R-Value Work: 0.176

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 3BLK

Classification: HYDROLASE

Total Structure Weight: 56743.03

Macromolecule Entities
Molecule Chains Length Organism Details
Alpha-amylase 1 A 496 Homo sapiens EC#: 3.2.1.1 IUBMB
Mutation: Q1X, W316A
Gene Name(s): AMY1A Gene View AMY1 AMY1B Gene View AMY1C Gene View

Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
GLC
Query on GLC

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

A 5-HYDROXYMETHYL-CHONDURITOL
C7 H12 O5
PJPGMULJEYSZBS-VZFHVOOUSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
AGL
Query on AGL

A 4,6-DIDEOXY-4-AMINO-ALPHA-D-GLUCOSE
C6 H13 N O4
RJKBJEZZABBYBA-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: 2.0 Å
  • R-Value Free: 0.215
  • R-Value Work: 0.176
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 52.28 α = 90.00
b = 75.05 β = 90.00
c = 135.01 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2007-12-11
  • Released Date: 2008-11-25
  • Deposition author(s): Ramasubbu, N.

Revision History

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