7FGA

Alpha-1,2-glucosyltransferase_UDP_sucrose_tll1591

• PDB DOI: https://doi.org/10.2210/pdb7FGA/pdb

• Classification: TRANSFERASE
• Organism(s): Thermosynechococcus vestitus BP-1
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2021-07-26 Released: 2022-06-01 
• Deposition Author(s): Su, J.Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.20 Å
• R-Value Free: 0.327 
• R-Value Work: 0.292 
• R-Value Observed: 0.294 

Starting Model: experimental

Literature

Structural basis for glucosylsucrose synthesis by a member of the alpha-1,2-glucosyltransferase family

Han, Q., Yao, Y., Liu, Y., Zhang, W., Yu, J., Na, H., Liu, T., Mayo, K., Su, J.

(2022) Acta Biochim Biophys Sin (Shanghai) 54: 537-547

• DOI: https://doi.org/10.3724/abbs.2022034

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 PISA (software)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 164.62 kDa 
• Atom Count: 11,064 
• Modelled Residue Count: 1,376 
• Deposited Residue Count: 1,444 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glycosyl transferase	A, B, C, D	361	Thermosynechococcus vestitus BP-1	Mutation(s): 0  Gene Names: tll1591
UniProt
Find proteins for Q8DIJ4 (Thermosynechococcus vestitus (strain NIES-2133 / IAM M-273 / BP-1)) Explore Q8DIJ4  Go to UniProtKB:  Q8DIJ4

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-1)-alpha-D-fructofuranose	E, F, G, H	2		N/A

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
UDP (Subject of Investigation/LOI)	I [auth A], J [auth B], K [auth C], L [auth D]	URIDINE-5'-DIPHOSPHATE C9 H14 N2 O12 P2 XCCTYIAWTASOJW-XVFCMESISA-N

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900032	E, F, G, H	surcrose isoform	Oligosaccharide / Substrate analog

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.20 Å
• R-Value Free: 0.327 
• R-Value Work: 0.292 
• R-Value Observed: 0.294 
• Space Group: P 6₅

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 157.712	α = 90
b = 157.712	β = 90
c = 187.803	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2022-06-01 
Deposition Author(s): Su, J.Y.

Revision History  

• Version 1.0: 2022-06-01
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description