1PKX

Crystal Structure of human ATIC in complex with XMP

Structural Biology Knowledgebase: 1PKX SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.249
  • R-Value Work: 0.211

Literature

Macromolecules
Sequence Display for 1PKX

Classification: TRANSFERASE HYDROLASE

Total Structure Weight: 259664.17

Macromolecule Entities
Molecule Chains Length Organism Details
Bifunctional purine biosynthesis protein PURH A, B, C, D 592 Homo sapiens EC#: 2.1.2.3 IUBMB 3.5.4.10 IUBMB
Details: Includes: Phosphoribosylaminoimidazolecarboxamide formyltransferase (AICAR transformylase) and IMP cyclohydrolase (Inosinicase) (IMP synthetase)
Gene Name(s): ATIC Gene View PURH OK/SW-cl.86
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, C 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)
K
Query on K

A, B, C, D 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: 1.9 Å
  • R-Value Free: 0.249
  • R-Value Work: 0.211
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 77.52 α = 90.00
b = 93.56 β = 91.09
c = 179.88 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-06-06
  • Released Date: 2004-02-17
  • Deposition author(s): Wolan, D.W., Cheong, C.G., Greasley, S.E., Wilson, I.A.

Revision History

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