8U9I

Pasteurella multocida alpha2,3/2,6 sialyltransferase D141N bound to CMP

• PDB DOI: https://doi.org/10.2210/pdb8U9I/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Pasteurella multocida
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): Yes 


• Deposited: 2023-09-19 Released: 2024-09-25 
• Deposition Author(s): Stubbs, H.E., Iverson, T.M.
• Funding Organization(s): Department of Veterans Affairs (VA, United States), National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), American Heart Association

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.212 
• R-Value Work: 0.179 
• R-Value Observed: 0.181 

Starting Model: experimental

Literature

Pasteurella multocida alpha2,3/2,6 sialyltransferase D141N bound to CMP

Stubbs, H.E., Iverson, T.M.

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: 93.45 kDa 
• Atom Count: 7,339 
• Modelled Residue Count: 784 
• Deposited Residue Count: 798 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-2,3/2,6-sialyltransferase/sialidase	A, B	399	Pasteurella multocida	Mutation(s): 1
UniProt
Find proteins for Q15KI8 (Pasteurella multocida) Explore Q15KI8  Go to UniProtKB:  Q15KI8

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TRS	C [auth A]	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C4 H12 N O3 LENZDBCJOHFCAS-UHFFFAOYSA-O
PEG	D [auth A], F [auth B]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
GOL	E [auth A], G [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.212 
• R-Value Work: 0.179 
• R-Value Observed: 0.181 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 63.916	α = 90
b = 60.947	β = 101.63
c = 96.168	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: 2024-09-25 
Deposition Author(s): Stubbs, H.E., Iverson, T.M.

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Funding Organization	Location	Grant Number
Department of Veterans Affairs (VA, United States)	United States	R01AI130684
Department of Veterans Affairs (VA, United States)	United States	R01AI106987
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM137458
American Heart Association	United States	14GRNT20390021

Revision History  

• Version 1.0: 2024-09-25
  Type: Initial release