1Z8F

Guanylate Kinase Double Mutant A58C, T157C from Mycobacterium tuberculosis (Rv1389)

• PDB DOI: https://doi.org/10.2210/pdb1Z8F/pdb

• Classification: TRANSFERASE
• Organism(s): Mycobacterium tuberculosis
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-03-30 Released: 2005-04-12 
• Deposition Author(s): Chan, S., Sawaya, M.R., Choi, B., Zocchi, G., Perry, L.J., Mycobacterium Tuberculosis Structural Proteomics Project (XMTB)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.236 
• R-Value Work: 0.181 
• R-Value Observed: 0.183 

Literature

Crystal Structure of Guanylate Kinase from Mycobacterium tuberculosis (Rv1389)

Chan, S., Sawaya, M.R., Choi, B., Zocchi, G., Perry, L.J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 24.41 kDa 
• Atom Count: 1,422 
• Modelled Residue Count: 184 
• Deposited Residue Count: 228 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanylate kinase	A	228	Mycobacterium tuberculosis	Mutation(s): 2  Gene Names: gmk EC: 2.7.4.8
UniProt
Find proteins for P9WKE9 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WKE9  Go to UniProtKB:  P9WKE9

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FMT	B [auth A], C [auth A]	FORMIC ACID C H2 O2 BDAGIHXWWSANSR-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.236 
• R-Value Work: 0.181 
• R-Value Observed: 0.183 
• Space Group: I 2 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 112.306	α = 90
b = 112.306	β = 90
c = 112.306	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
Blu-Ice	data collection
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-04-12 
Deposition Author(s): Chan, S., Sawaya, M.R., Choi, B., Zocchi, G., Perry, L.J., Mycobacterium Tuberculosis Structural Proteomics Project (XMTB)

Revision History  

• Version 1.0: 2005-04-12
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2021-10-20
  Changes: Database references, Derived calculations
• Version 1.5: 2023-08-23
  Changes: Data collection, Refinement description