1S4Q

Crystal Structure of Guanylate Kinase from Mycobacterium tuberculosis (Rv1389)

• PDB DOI: https://doi.org/10.2210/pdb1S4Q/pdb

• Classification: TRANSFERASE
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2004-01-16 Released: 2004-01-27 
• Deposition Author(s): Chan, S., Sawaya, M.R., Perry, L.J., Eisenberg, D., TB Structural Genomics Consortium (TBSGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.16 Å
• R-Value Free: 0.231 
• R-Value Work: 0.177 
• R-Value Observed: 0.180 

Literature

Crystal Structure of Guanylate Kinase from Mycobacterium tuberculosis

Chan, S., Sawaya, M.R., Perry, L.J., Eisenberg, D.

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: 24.46 kDa 
• Atom Count: 1,533 
• Modelled Residue Count: 183 
• 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 H37Rv	Mutation(s): 0  Gene Names: GMK, RV1389, MT1434, MTCY21B4.06, MB1424 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 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FMT	C [auth A], D [auth A], E [auth A]	FORMIC ACID C H2 O2 BDAGIHXWWSANSR-UHFFFAOYSA-N
CL	B [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.16 Å
• R-Value Free: 0.231 
• R-Value Work: 0.177 
• R-Value Observed: 0.180 
• Space Group: I 2 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 112.126	α = 90
b = 112.126	β = 90
c = 112.126	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MLPHARE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-01-27 
Deposition Author(s): Chan, S., Sawaya, M.R., Perry, L.J., Eisenberg, D., TB Structural Genomics Consortium (TBSGC)

Revision History  

• Version 1.0: 2004-01-27
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2024-10-16
  Changes: Data collection, Database references, Derived calculations, Structure summary