8F9R

Rabbit sialic acid esterase (SIAE)

• PDB DOI: https://doi.org/10.2210/pdb8F9R/pdb

• Classification: HYDROLASE
• Organism(s): Oryctolagus cuniculus
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• 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: 2.97 Å
• R-Value Free: 0.242 
• R-Value Work: 0.206 
• R-Value Observed: 0.209 

Starting Model: in silico

Literature

Rabbit sialic acid esterase (SIAE)

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.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 122.63 kDa 
• Atom Count: 8,406 
• Modelled Residue Count: 980 
• Deposited Residue Count: 1,002 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sialic acid acetylesterase	A, B	501	Oryctolagus cuniculus	Mutation(s): 0  Gene Names: SIAE
UniProt
Find proteins for A0A5F9CAI5 (Oryctolagus cuniculus) Explore A0A5F9CAI5  Go to UniProtKB:  A0A5F9CAI5
Glycosylation
Glycosylation Sites: 6

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C, E, F, H, J, K	5		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G22768VO GlyCosmos:  G22768VO GlyGen:  G22768VO

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	D, I	4		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G32152BH GlyCosmos:  G32152BH GlyGen:  G32152BH

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	G	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Entity ID: 5
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	L	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G15407YE GlyCosmos:  G15407YE GlyGen:  G15407YE

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	M [auth A], N [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.97 Å
• R-Value Free: 0.242 
• R-Value Work: 0.206 
• R-Value Observed: 0.209 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 114.07	α = 90
b = 152.69	β = 90
c = 81.748	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