1P18
Hypoxanthine Phosphoribosyltransferase from Trypanosoma cruzi, K68R mutant, ternary substrates complex
- PDB DOI: https://doi.org/10.2210/pdb1P18/pdb
- Classification: TRANSFERASE
- Organism(s): Trypanosoma cruzi
- Expression System: Escherichia coli
- Mutation(s): Yes 
- Deposited: 2003-04-11 Released: 2004-05-18 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 2.00 Å
- R-Value Free: 0.293 
- R-Value Work: 0.210 
- R-Value Observed: 0.210 
wwPDB Validation   3D Report Full Report
This is version 1.5 of the entry. See complete history. 
Macromolecules
Find similar proteins by:
(by identity cutoff) | 3D Structure
Entity ID: 1 | |||||
---|---|---|---|---|---|
Molecule | Chains | Sequence Length | Organism | Details | Image |
hypoxanthine phosphoribosyltransferase | 221 | Trypanosoma cruzi | Mutation(s): 1  Gene Names: HGPRT EC: 2.4.2.8 | ||
UniProt | |||||
Find proteins for Q4DRC4 (Trypanosoma cruzi (strain CL Brener)) Explore Q4DRC4  Go to UniProtKB:  Q4DRC4 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | Q4DRC4 | ||||
Sequence AnnotationsExpand | |||||
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Small Molecules
Ligands 3 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
PRP Query on PRP | F [auth A], J [auth B] | 1-O-pyrophosphono-5-O-phosphono-alpha-D-ribofuranose C5 H13 O14 P3 PQGCEDQWHSBAJP-TXICZTDVSA-N | |||
7HP Query on 7HP | E [auth A], I [auth B] | 7-HYDROXY-PYRAZOLO[4,3-D]PYRIMIDINE C5 H4 N4 O JFZSDNLQDTYVEE-UHFFFAOYSA-N | |||
MG Query on MG | C [auth A], D [auth A], G [auth B], H [auth B] | MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 2.00 Å
- R-Value Free: 0.293 
- R-Value Work: 0.210 
- R-Value Observed: 0.210 
- Space Group: P 1 21 1
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 39.5 | α = 90 |
b = 102.1 | β = 94.3 |
c = 51.8 | γ = 90 |
Software Name | Purpose |
---|---|
DENZO | data reduction |
SCALEPACK | data scaling |
X-PLOR | model building |
X-PLOR | refinement |
X-PLOR | phasing |
Entry History 
Deposition Data
- Released Date: 2004-05-18  Deposition Author(s): Canyuk, B., Eakin, A.E., Craig III, S.P.
Revision History (Full details and data files)
- Version 1.0: 2004-05-18
Type: Initial release - Version 1.1: 2008-04-29
Changes: Version format compliance - Version 1.2: 2011-07-13
Changes: Version format compliance - Version 1.3: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Data collection, Derived calculations, Structure summary - Version 1.4: 2021-10-27
Changes: Database references, Structure summary - Version 1.5: 2024-02-14
Changes: Data collection