1HXD

CRYSTAL STRUCTURE OF E. COLI BIOTIN REPRESSOR WITH BOUND BIOTIN


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Observed: 0.189

Literature

Macromolecules
Sequence Display for 1HXD

Classification: LIGASE

Total Structure Weight: 71192.46

Macromolecule Entities
Molecule Chains Length Organism Details
BIRA BIFUNCTIONAL PROTEIN A, B 321 Escherichia coli EC#: 6.3.4.15 IUBMB
Gene Name(s): birA bioR dhbB b3973 JW3941
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
BTN
Query on BTN

A, B BIOTIN
C10 H16 N2 O3 S
YBJHBAHKTGYVGT-ZKWXMUAHSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
BTN ΔG: -58.1 - -41 kJ/mol (99 - 100) BindingDB
-TΔS: -6.7 - 41 kJ/mol (99 - 100) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Observed: 0.189
  • Space Group: C 2 2 21

Unit Cell:

Length (Å) Angle (°)
a = 104.90 α = 90.00
b = 108.90 β = 90.00
c = 143.20 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-01-12
  • Released Date: 2001-05-30
  • Deposition author(s): Kwon, K., Streaker, E.D., Ruparelia, S., Beckett, D.

Revision History

  • Version 1_0: 2001-05-30

    Type: Initial release

  • Version 1_1: 2008-04-27

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance