Download MendeleyRole of loop coupling in enzymatic catalysis and conformational dynamics
Blaszczyk, J., Li, Y., Ji, X., Yan, H.To be published.
3HD2
Crystal structure of E. coli HPPK(Q50A) in complex with MgAMPCPP and pterin
- PDB DOI: https://doi.org/10.2210/pdb3HD2/pdb
- Classification: TRANSFERASE
- Organism(s): Escherichia coli K-12
- Expression System: Escherichia coli
- Mutation(s): Yes
- Deposited: 2009-05-06 Released: 2010-05-19
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 1.10 Å
- R-Value Free: 0.188
- R-Value Work: 0.159
- R-Value Observed: 0.160
Starting Model: experimental
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This is version 1.5 of the entry. See complete history.
Literature
To be published.
Macromolecules
Find similar proteins by:
(by identity cutoff) | 3D Structure
Entity ID: 1 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase | 158 | Escherichia coli K-12 | Mutation(s): 1 Gene Names: b0142, foIK, folK, JW0138 EC: 2.7.6.3 |  | |
UniProt | |||||
Find proteins for P26281 (Escherichia coli (strain K12)) Explore P26281 Go to UniProtKB: P26281 | |||||
Entity Groups | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | P26281 | ||||
Sequence AnnotationsExpand | |||||
| |||||
Small Molecules
| Ligands 5 Unique | |||||
|---|---|---|---|---|---|
| ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
| APC Query on APC | D [auth A] | DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER C11 H18 N5 O12 P3 CAWZRIXWFRFUQB-IOSLPCCCSA-N |  | ||
| PE0 Query on PE0 | E [auth A] | PTERINE C6 H5 N5 O HNXQXTQTPAJEJL-UHFFFAOYSA-N |  | ||
| ACT Query on ACT | F [auth A] | ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M |  | ||
| CL Query on CL | G [auth A] | CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M |  | ||
| MG Query on MG | B [auth A], C [auth A] | MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N |  | ||
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 1.10 Å
- R-Value Free: 0.188
- R-Value Work: 0.159
- R-Value Observed: 0.160
- Space Group: C 1 2 1
Unit Cell:
| Length ( Å ) | Angle ( ˚ ) |
|---|---|
| a = 80.48 | α = 90 |
| b = 52.87 | β = 102.71 |
| c = 36.7 | γ = 90 |
| Software Name | Purpose |
|---|---|
| DENZO | data reduction |
| SCALEPACK | data scaling |
| PHENIX | refinement |
| PDB_EXTRACT | data extraction |
| ADSC | data collection |
| CNS | phasing |
Entry History
Deposition Data
- Released Date: 2010-05-19 Deposition Author(s): Blaszczyk, J., Li, Y., Yan, H., Ji, X.
Revision History (Full details and data files)
- Version 1.0: 2010-05-19
Type: Initial release - Version 1.1: 2011-07-13
Changes: Version format compliance - Version 1.2: 2017-11-01
Changes: Refinement description - Version 1.3: 2021-10-13
Changes: Database references, Derived calculations - Version 1.4: 2023-08-30
Changes: Data collection, Database references, Structure summary - Version 1.5: 2023-09-06
Changes: Refinement description
