8F9P

Dog sialic acid esterase (SIAE) inactive mutant S128A

• PDB DOI: https://doi.org/10.2210/pdb8F9P/pdb

• Classification: HYDROLASE
• Organism(s): Canis lupus familiaris
• Expression System: Spodoptera frugiperda
• Mutation(s): Yes 


• Deposited: 2022-11-24 Released: 2024-05-29 
• Deposition Author(s): Ide, D., Gorelik, A., Illes, K., Nagar, B.
• Funding Organization(s): Canadian Institutes of Health Research (CIHR)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.146 
• R-Value Work: 0.117 
• R-Value Observed: 0.118 

Starting Model: other

Literature

Dog sialic acid esterase (SIAE) inactive mutant S128A

Ide, D., Gorelik, A., Illes, K., Nagar, B.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 57.7 kDa 
• Atom Count: 4,583 
• Modelled Residue Count: 487 
• Deposited Residue Count: 496 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sialic acid acetylesterase	A	496	Canis lupus familiaris	Mutation(s): 1
UniProt
Find proteins for A0A8C0T2R3 (Canis lupus familiaris) Explore A0A8C0T2R3  Go to UniProtKB:  A0A8C0T2R3
Glycosylation
Glycosylation Sites: 4

Oligosaccharides

Help

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	B, C	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	D [auth A], E [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
PG4	G [auth A]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N
ACT (Subject of Investigation/LOI)	F [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.146 
• R-Value Work: 0.117 
• R-Value Observed: 0.118 
• Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 109.045	α = 90
b = 111.085	β = 90
c = 124.198	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-05-29 
Deposition Author(s): Ide, D., Gorelik, A., Illes, K., Nagar, B.

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Funding Organization	Location	Grant Number
Canadian Institutes of Health Research (CIHR)	Canada	250057

Revision History  

• Version 1.0: 2024-05-29
  Type: Initial release