3TIB
Crystal structure of 1957 pandemic H2N2 neuraminidase complexed with laninamivir octanoate
- PDB DOI: https://doi.org/10.2210/pdb3TIB/pdb
- Classification: HYDROLASE/HYDROLASE INHIBITOR
- Organism(s): Influenza A virus (A/RI/5+/1957(H2N2))
- Expression System: Spodoptera frugiperda
- Mutation(s): No 
- Deposited: 2011-08-20 Released: 2011-11-16 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 2.20 Å
- R-Value Free: 0.191 
- R-Value Work: 0.155 
- R-Value Observed: 0.157 
This is version 2.1 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 |
Neuraminidase | 469 | Influenza A virus (A/RI/5+/1957(H2N2)) | Mutation(s): 0  | ||
UniProt | |||||
Find proteins for Q194T1 (Influenza A virus) Explore Q194T1  Go to UniProtKB:  Q194T1 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | Q194T1 | ||||
Sequence AnnotationsExpand | |||||
|
Oligosaccharides
Entity ID: 2 | |||||
---|---|---|---|---|---|
Molecule | Chains | Length | 2D Diagram | Glycosylation | 3D Interactions |
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | E, G, I, K | 2 | N-Glycosylation | ||
Glycosylation Resources | |||||
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT |
Entity ID: 3 | |||||
---|---|---|---|---|---|
Molecule | Chains | Length | 2D Diagram | Glycosylation | 3D Interactions |
alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | F, H, J, L | 4 | N-Glycosylation | ||
Glycosylation Resources | |||||
GlyTouCan:  G81315DD GlyCosmos:  G81315DD GlyGen:  G81315DD |
Small Molecules
Ligands 2 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
LVO Query on LVO | N [auth A], P [auth B], R [auth C], T [auth D] | 5-acetamido-2,6-anhydro-4-carbamimidamido-3,4,5-trideoxy-7-O-methyl-9-O-octanoyl-D-glycero-D-galacto-non-2-enonic acid C21 H36 N4 O8 UKTIJASCFRNWCB-RMIBSVFLSA-N | |||
CA Query on CA | M [auth A], O [auth B], Q [auth C], S [auth D] | CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 2.20 Å
- R-Value Free: 0.191 
- R-Value Work: 0.155 
- R-Value Observed: 0.157 
- Space Group: P 1 21 1
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 90.454 | α = 90 |
b = 140.18 | β = 101.22 |
c = 90.298 | γ = 90 |
Software Name | Purpose |
---|---|
Blu-Ice | data collection |
PHASER | phasing |
PHENIX | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
Entry History 
Deposition Data
Revision History (Full details and data files)
- Version 1.0: 2011-11-16
Type: Initial release - Version 2.0: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary - Version 2.1: 2023-11-01
Changes: Data collection, Database references, Refinement description, Structure summary