1I9B

X-RAY STRUCTURE OF ACETYLCHOLINE BINDING PROTEIN (ACHBP)

Structural Biology Knowledgebase: 1I9B SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.7 Å
  • R-Value Free: 0.297
  • R-Value Work: 0.260

Literature

Macromolecules
Sequence Display for 1I9B

Classification: LIGAND BINDING PROTEIN

Total Structure Weight: 124954.86

Macromolecule Entities
Molecule Chains Length Organism Details
ACETYLCHOLINE BINDING PROTEIN A, B, C, D, E 217 Lymnaea stagnalis Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B, C, D, E 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
HEPES (Synonym)
C8 H18 N2 O4 S
JKMHFZQWWAIEOD-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A, B, C, D, E CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.7 Å
  • R-Value Free: 0.297
  • R-Value Work: 0.260
  • Space Group: P 42 21 2

Unit Cell:

Length (Å) Angle (°)
a = 141.66 α = 90.00
b = 141.66 β = 90.00
c = 120.87 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-03-18
  • Released Date: 2001-05-16
  • Deposition author(s): Brejc, K., van Dijk, W.J., Klaassen, R., Schuurmans, M., van der Oost, J., Smit, A.B., Sixma, T.K.

Revision History

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