3LK7

The Crystal Structure of UDP-N-acetylmuramoylalanine-D-glutamate (MurD) ligase from Streptococcus agalactiae to 1.5A

• PDB DOI: https://doi.org/10.2210/pdb3LK7/pdb

• Classification: LIGASE
• Organism(s): Streptococcus agalactiae serogroup V
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-01-27 Released: 2010-02-09 
• Deposition Author(s): Stein, A.J., Sather, A., Shakelford, G., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.208 
• R-Value Work: 0.187 
• R-Value Observed: 0.188 

Literature

The Crystal Structure of UDP-N-acetylmuramoylalanine-D-glutamate (MurD) ligase from Streptococcus agalactiae to 1.5A

Stein, A.J., Sather, A., Shakelford, G., Joachimiak, A.

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)

Macromolecule Content

• Total Structure Weight: 49.73 kDa 
• Atom Count: 3,850 
• Modelled Residue Count: 448 
• Deposited Residue Count: 451 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
UDP-N-acetylmuramoylalanine--D-glutamate ligase	A	451	Streptococcus agalactiae serogroup V	Mutation(s): 0  Gene Names: murD, SAG0475 EC: 6.3.2.9
UniProt
Find proteins for Q8E186 (Streptococcus agalactiae serotype V (strain ATCC BAA-611 / 2603 V/R)) Explore Q8E186  Go to UniProtKB:  Q8E186

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A], C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CL	D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.208 
• R-Value Work: 0.187 
• R-Value Observed: 0.188 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 161.539	α = 90
b = 65.045	β = 107.52
c = 52.889	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
SHELX	phasing
MLPHARE	phasing
DM	phasing
ARP/wARP	model building
Coot	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-02-09 
Deposition Author(s): Stein, A.J., Sather, A., Shakelford, G., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2010-02-09
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-01
  Changes: Refinement description
• Version 1.3: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Structure summary