1D6N

TERNARY COMPLEX STRUCTURE OF HUMAN HGPRTASE, PRPP, MG2+, AND THE INHIBITOR HPP REVEALS THE INVOLVEMENT OF THE FLEXIBLE LOOP IN SUBSTRATE BINDING


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.7 Å
  • R-Value Free: 0.278
  • R-Value Work: 0.174

Literature

Macromolecules
Sequence Display for 1D6N

Classification: TRANSFERASE

Total Structure Weight: 49144.19

Macromolecule Entities
Molecule Chains Length Organism Details
PROTEIN (HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE) A, B 214 Homo sapiens EC#: 2.4.2.8 IUBMB
Mutation: K68A, K102G
Gene Name(s): HPRT1 Gene View HPRT
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B ALPHA-PHOSPHORIBOSYLPYROPHOSPHORIC ACID
C5 H13 O14 P3
PQGCEDQWHSBAJP-TXICZTDVSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PPO
Query on PPO

A, B 3H-PYRAZOLO[4,3-D]PYRIMIDIN-7-OL
C5 H4 N4 O
OGCXIHWGXUQTCQ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A, B MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
PPO N/A in BindingDB
N/A in BindingMoad
Ki: 31500 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.7 Å
  • R-Value Free: 0.278
  • R-Value Work: 0.174
  • Space Group: P 21 21 2

Unit Cell:

Length (Å) Angle (°)
a = 129.56 α = 90.00
b = 65.85 β = 90.00
c = 51.46 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1999-10-14
  • Released Date: 1999-12-30
  • Deposition author(s): Balendiran, G.K.

Revision History

  • Version 1_0: 1999-12-30

    Type: Initial release

  • Version 1_1: 2008-04-27

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance

  • Version 1_3: 2017-10-04

    Type: Refinement description