1BIB

THE E. COLI BIOTIN HOLOENZYME SYNTHETASE(SLASH)BIO REPRESSOR CRYSTAL STRUCTURE DELINEATES THE BIOTIN AND DNA-BINDING DOMAINS

Structural Biology Knowledgebase: 1BIB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Observed: 0.173

Literature

Macromolecules
Sequence Display for 1BIB

Classification: TRANSCRIPTION REGULATION

Total Structure Weight: 35596.52

Macromolecule Entities
Molecule Chains Length Organism Details
BIR A A 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 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: 2.8 Å
  • R-Value Observed: 0.173
  • Space Group: P 43 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 114.10 α = 90.00
b = 114.10 β = 90.00
c = 60.00 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1992-07-06
  • Released Date: 1993-10-31
  • Deposition author(s): Wilson, K.P., Shewchuk, L.M., Matthews, B.W.

Revision History

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