4FGR
X-Ray Structure of SAICAR Synthetase (PurC) from Streptococcus pneumoniae complexed with ADP and Mg2+
- PDB DOI: https://doi.org/10.2210/pdb4FGR/pdb
- Classification: LIGASE
- Organism(s): Streptococcus pneumoniae
- Expression System: Escherichia coli BL21(DE3)
- Mutation(s): No
- Deposited: 2012-06-04 Released: 2013-06-05
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 2.60 Å
- R-Value Free: 0.319
- R-Value Work: 0.231
- R-Value Observed: 0.235
This is version 1.1 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 |
| Phosphoribosylaminoimidazole-succinocarboxamide synthase | 255 | Streptococcus pneumoniae | Mutation(s): 0 Gene Names: purC, SP_0044 EC: 6.3.2.6 |  | |
UniProt | |||||
Find proteins for Q07296 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)) Explore Q07296 Go to UniProtKB: Q07296 | |||||
Entity Groups | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | Q07296 | ||||
Sequence AnnotationsExpand | |||||
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Small Molecules
| Ligands 4 Unique | |||||
|---|---|---|---|---|---|
| ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
| ADP Query on ADP | D [auth A], H [auth B] | ADENOSINE-5'-DIPHOSPHATE C10 H15 N5 O10 P2 XTWYTFMLZFPYCI-KQYNXXCUSA-N |  | ||
| ACT Query on ACT | F [auth A], I [auth B] | ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M |  | ||
| CL Query on CL | E [auth A] | CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M |  | ||
| MG Query on MG | C [auth A], G [auth B] | MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N |  | ||
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 2.60 Å
- R-Value Free: 0.319
- R-Value Work: 0.231
- R-Value Observed: 0.235
- Space Group: P 1 21 1
Unit Cell:
| Length ( Å ) | Angle ( ˚ ) |
|---|---|
| a = 45.931 | α = 90 |
| b = 65.111 | β = 91.96 |
| c = 85.837 | γ = 90 |
| Software Name | Purpose |
|---|---|
| ADSC | data collection |
| MOLREP | phasing |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
Entry History
Deposition Data
- Released Date: 2013-06-05 Deposition Author(s): Fung, L.W.-M., Johnson, M.E., Abad-Zapatero, C., Wolf, N.W.
Revision History (Full details and data files)
- Version 1.0: 2013-06-05
Type: Initial release - Version 1.1: 2023-09-13
Changes: Data collection, Database references, Derived calculations, Refinement description
