2VS3

THE BINDING OF UDP-GALACTOSE BY AN ACTIVE SITE MUTANT OF alpha-1,3 GALACTOSYLTRANSFERASE (alpha3GT)

• PDB DOI: https://doi.org/10.2210/pdb2VS3/pdb

• Classification: TRANSFERASE
• Organism(s): Bos taurus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2008-04-18 Released: 2008-07-15 
• Deposition Author(s): Tumbale, P., Jamaluddin, H., Thiyagarajan, N., Brew, K., Acharya, K.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.224 
• R-Value Work: 0.215 
• R-Value Observed: 0.215 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 69.86 kDa 
• Atom Count: 5,314 
• Modelled Residue Count: 574 
• Deposited Residue Count: 578 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
N-ACETYLLACTOSAMINIDE ALPHA-1,3-GALACTOSYLTRANSFERASE	A, B	289	Bos taurus	Mutation(s): 1  EC: 2.4.1.87
UniProt
Find proteins for P14769 (Bos taurus) Explore P14769  Go to UniProtKB:  P14769

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose	C, D	2		N/A
Glycosylation Resources
GlyTouCan:  G79333MY GlyCosmos:  G79333MY GlyGen:  G79333MY

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
UDP	E [auth A], G [auth B]	URIDINE-5'-DIPHOSPHATE C9 H14 N2 O12 P2 XCCTYIAWTASOJW-XVFCMESISA-N
MN	F [auth A], H [auth B]	MANGANESE (II) ION Mn WAEMQWOKJMHJLA-UHFFFAOYSA-N

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900019	C, D	N-acetyl-alpha-lactosamine	Oligosaccharide / Glycan component

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.224 
• R-Value Work: 0.215 
• R-Value Observed: 0.215 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.116	α = 90
b = 94.38	β = 99.3
c = 94.94	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-07-15 
Deposition Author(s): Tumbale, P., Jamaluddin, H., Thiyagarajan, N., Brew, K., Acharya, K.R.

Revision History  

• Version 1.0: 2008-07-15
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-07-12
  Changes: Advisory, Derived calculations
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Non-polymer description, Other, Structure summary
• Version 2.1: 2023-12-13
  Changes: Data collection, Database references, Refinement description, Structure summary