Download MendeleyConformational change and heme ruffling in nitrophorin 2, a nitric oxide carrier from kissing bug.
Weihsel, A., Montfort, W.R.To be published.
1PEE
Crystal Structure of Nitrophorin 2 complex with imidazole
- PDB DOI: https://doi.org/10.2210/pdb1PEE/pdb
- Classification: SIGNALING PROTEIN
- Organism(s): Rhodnius prolixus
- Expression System: Escherichia coli BL21(DE3)
- Mutation(s): No
- Deposited: 2003-05-21 Released: 2004-06-01
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 1.50 Å
- R-Value Free: 0.240
- R-Value Work: 0.186
- R-Value Observed: 0.188
Starting Model: experimental
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This is version 1.4 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 |
| Nitrophorin 2 | 180 | Rhodnius prolixus | Mutation(s): 0 |  | |
UniProt | |||||
Find proteins for Q26241 (Rhodnius prolixus) Explore Q26241 Go to UniProtKB: Q26241 | |||||
Entity Groups | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | Q26241 | ||||
Sequence AnnotationsExpand | |||||
| |||||
Small Molecules
| Ligands 2 Unique | |||||
|---|---|---|---|---|---|
| ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
| HEM Query on HEM | B [auth A] | PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L |  | ||
| IMD Query on IMD | C [auth A] | IMIDAZOLE C3 H5 N2 RAXXELZNTBOGNW-UHFFFAOYSA-O |  | ||
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 1.50 Å
- R-Value Free: 0.240
- R-Value Work: 0.186
- R-Value Observed: 0.188
- Space Group: P 41 21 2
Unit Cell:
| Length ( Å ) | Angle ( ˚ ) |
|---|---|
| a = 34.68 | α = 90 |
| b = 34.68 | β = 90 |
| c = 258.78 | γ = 90 |
| Software Name | Purpose |
|---|---|
| REFMAC | refinement |
| Blu-Ice | data collection |
| d*TREK | data scaling |
| MOLREP | phasing |
Entry History
Deposition Data
- Released Date: 2004-06-01 Deposition Author(s): Weihsel, A., Montfort, W.R.
Revision History (Full details and data files)
- Version 1.0: 2004-06-01
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: 2023-08-16
Changes: Data collection, Database references, Derived calculations, Refinement description - Version 1.4: 2024-10-16
Changes: Structure summary
