7YS8

Crystal Structure of UDP-glucose 4-epimerase (Rv3634c) from Mycobacterium tuberculosis

• PDB DOI: https://doi.org/10.2210/pdb7YS8/pdb
• Entry: 7YS8 supersedes: 6LTT

• Classification: ISOMERASE
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Mycolicibacterium smegmatis
• Mutation(s): No 


• Deposited: 2022-08-11 Released: 2023-08-16 
• Deposition Author(s): Yadav, S., Bhatia, I., Biswal, B.K.
• Funding Organization(s): Indian Council of Medical Research

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.02 Å
• R-Value Free: 0.203 
• R-Value Work: 0.156 
• R-Value Observed: 0.159 

Literature

Crystal Structure of UDP-glucose 4-epimerase (Rv3634c) from Mycobacterium tuberculosis

Yadav, S., Bhatia, I., Biswal, B.K.

To be published.

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 Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 70.38 kDa 
• Atom Count: 5,566 
• Modelled Residue Count: 621 
• Deposited Residue Count: 640 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
UDP-glucose 4-epimerase	A, B	320	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  Gene Names: galE1, Rv3634c EC: 5.1.3.2
UniProt
Find proteins for P9WN67 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WN67  Go to UniProtKB:  P9WN67

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAD (Subject of Investigation/LOI)	C [auth A], E [auth B]	NICOTINAMIDE-ADENINE-DINUCLEOTIDE C21 H27 N7 O14 P2 BAWFJGJZGIEFAR-NNYOXOHSSA-N
GOL (Subject of Investigation/LOI)	D [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ACT (Subject of Investigation/LOI)	F [auth B]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.02 Å
• R-Value Free: 0.203 
• R-Value Work: 0.156 
• R-Value Observed: 0.159 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.866	α = 90
b = 76.85	β = 91.44
c = 80.124	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-08-16 
Deposition Author(s): Yadav, S., Bhatia, I., Biswal, B.K.
• This entry supersedes: 6LTT

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Funding Organization	Location	Grant Number
Indian Council of Medical Research	India	R.12014/03/2019-HR

Revision History  

• Version 1.0: 2023-08-16
  Type: Initial release