6H94

T16A variant of beta-phosphoglucomutase from Lactococcus lactis with phosphate and TRIS bound in an open conformer to 1.5 A.

• PDB DOI: https://doi.org/10.2210/pdb6H94/pdb

• Classification: ISOMERASE
• Organism(s): Lactococcus lactis subsp. lactis Il1403
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2018-08-03 Released: 2020-08-26 
• Deposition Author(s): Robertson, A.J., Bisson, C., Waltho, J.P.
• Funding Organization(s): Biotechnology and Biological Sciences Research Council

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.49 Å
• R-Value Free: 0.210 
• R-Value Work: 0.192 
• R-Value Observed: 0.193 

Literature

Transition state of phospho-enzyme hydrolysis in beta-phosphoglucomutase.

Robertson, A.J., Bisson, C., Waltho, J.P.

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: homology

Macromolecule Content

• Total Structure Weight: 24.64 kDa 
• Atom Count: 1,895 
• Modelled Residue Count: 219 
• Deposited Residue Count: 221 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-phosphoglucomutase	A	221	Lactococcus lactis subsp. lactis Il1403	Mutation(s): 3  Gene Names: pgmB, LL0429, L0001 EC: 5.4.2.6
UniProt
Find proteins for P71447 (Lactococcus lactis subsp. lactis (strain IL1403)) Explore P71447  Go to UniProtKB:  P71447

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TRS	G [auth A]	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C4 H12 N O3 LENZDBCJOHFCAS-UHFFFAOYSA-O
PO4 (Subject of Investigation/LOI)	F [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
EDO	C [auth A], D [auth A], E [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.49 Å
• R-Value Free: 0.210 
• R-Value Work: 0.192 
• R-Value Observed: 0.193 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.01	α = 90
b = 53.19	β = 90
c = 89.94	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
xia2	data reduction
xia2	data scaling
Coot	model building
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-08-26 
Deposition Author(s): Robertson, A.J., Bisson, C., Waltho, J.P.

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Funding Organization	Location	Grant Number
Biotechnology and Biological Sciences Research Council	United Kingdom	BB/M021637/1
Biotechnology and Biological Sciences Research Council	United Kingdom	BB/K016245/1

Revision History  

• Version 1.0: 2020-08-26
  Type: Initial release
  
• Version 1.1: 2024-01-17
  Changes: Data collection, Database references, Refinement description