1M9N

CRYSTAL STRUCTURE OF THE HOMODIMERIC BIFUNCTIONAL TRANSFORMYLASE AND CYCLOHYDROLASE ENZYME AVIAN ATIC IN COMPLEX WITH AICAR AND XMP AT 1.93 ANGSTROMS.

Structural Biology Knowledgebase: 1M9N SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.93 Å
  • R-Value Free: 0.244
  • R-Value Work: 0.206

Literature

Macromolecules
Sequence Display for 1M9N

Classification: transferase hydrolase

Total Structure Weight: 134824.44

Macromolecule Entities
Molecule Chains Length Organism Details
AICAR TRANSFORMYLASE-IMP CYCLOHYDROLASE A, B 613 Gallus gallus EC#: 2.1.2.3 IUBMB 3.5.4.10 IUBMB
Gene Name(s): ATIC Gene View PURH
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B XANTHOSINE-5'-MONOPHOSPHATE
5-MONOPHOSPHATE-9-BETA-D-RIBOFURANOSYL XANTHINE (Synonym)
C10 H14 N4 O9 P
DCTLYFZHFGENCW-UUOKFMHZSA-O
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
AMZ
Query on AMZ

A, B AMINOIMIDAZOLE 4-CARBOXAMIDE RIBONUCLEOTIDE
AICAR (Synonym)
C9 H15 N4 O8 P
NOTGFIUVDGNKRI-UUOKFMHZSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
K
Query on K

A, B POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
XMP N/A in BindingDB
Ki: 120 nM  BindingMOAD
Ki: 120 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.93 Å
  • R-Value Free: 0.244
  • R-Value Work: 0.206
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 56.48 α = 90.00
b = 107.88 β = 91.20
c = 103.86 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-07-29
  • Released Date: 2003-01-07
  • Deposition author(s): Wolan, D.W., Greasly, S.E., Beardsley, G.P., Wilson, I.A.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Flag residual B-value | Details: Tagged residual B temperature factor