5UPU

Crystal Structure of the Catalytic Domain of the Inosine Monophosphate Dehydrogenase from Mycobacterium tuberculosis in the presence of TBK6

• PDB DOI: https://doi.org/10.2210/pdb5UPU/pdb

• Classification: OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2017-02-04 Released: 2017-02-22 
• Deposition Author(s): Kim, Y., Makowska-Grzyska, M., Maltseva, N., Mulligan, R., Gu, M., Sacchettini, J., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.235 
• R-Value Work: 0.174 
• R-Value Observed: 0.177 

Starting Model: experimental

Literature

Crystal Structure of the Catalytic Domain of the Inosine Monophosphate Dehydrogenase from Mycobacterium tuberculosis in the presence of TBK6

Kim, Y., Makowska-Grzyska, M., Maltseva, N., Mulligan, R., Gu, M., Sacchettini, J., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C4  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Macromolecule Content

• Total Structure Weight: 42.28 kDa 
• Atom Count: 2,383 
• Modelled Residue Count: 332 
• Deposited Residue Count: 407 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Inosine-5'-monophosphate dehydrogenase	A	407	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  Gene Names: guaB, guaB2, Rv3411c, MTCY78.17 EC: 1.1.1.205
UniProt
Find proteins for P9WKI7 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WKI7  Go to UniProtKB:  P9WKI7

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
IMP	B [auth A]	INOSINIC ACID C10 H13 N4 O8 P GRSZFWQUAKGDAV-KQYNXXCUSA-N
6Q9	C [auth A]	~{N}-(2~{H}-indazol-6-yl)-3,5-dimethyl-1~{H}-pyrazole-4-sulfonamide C12 H13 N5 O2 S ZPEANOFCXGJMGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.235 
• R-Value Work: 0.174 
• R-Value Observed: 0.177 
• Space Group: I 4

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 88.614	α = 90
b = 88.614	β = 90
c = 85.056	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2017-02-22 
Deposition Author(s): Kim, Y., Makowska-Grzyska, M., Maltseva, N., Mulligan, R., Gu, M., Sacchettini, J., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	--

Revision History  

• Version 1.0: 2017-02-22
  Type: Initial release
  
• Version 1.1: 2017-09-20
  Changes: Author supporting evidence
• Version 1.2: 2020-01-01
  Changes: Author supporting evidence
• Version 1.3: 2023-10-04
  Changes: Data collection, Database references, Refinement description