8V8X

Crystal Structure of Apo UDP-N-acetylmuramoylalanine--D-glutamate ligase (MurD) from E. coli (Orthorhombic P form2)

• PDB DOI: https://doi.org/10.2210/pdb8V8X/pdb

• Classification: LIGASE
• Organism(s): Escherichia coli K-12
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-12-06 Released: 2023-12-13 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID), National Institutes of Health/Office of the Director

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.257 
• R-Value Work: 0.213 
• R-Value Observed: 0.215 

Starting Model: experimental

Literature

Crystal Structure of Apo UDP-N-acetylmuramoylalanine--D-glutamate ligase (MurD) from E. coli (Orthorhombic P form2)

Seibold, S., Lovell, S., Battaile, K.P.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 47.98 kDa 
• Atom Count: 3,216 
• Modelled Residue Count: 426 
• Deposited Residue Count: 445 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
UDP-N-acetylmuramoylalanine--D-glutamate ligase	A	445	Escherichia coli K-12	Mutation(s): 0  Gene Names: murD EC: 6.3.2.9
UniProt
Find proteins for P14900 (Escherichia coli (strain K12)) Explore P14900  Go to UniProtKB:  P14900

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GLY	B [auth A]	GLYCINE C2 H5 N O2 DHMQDGOQFOQNFH-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.257 
• R-Value Work: 0.213 
• R-Value Observed: 0.215 
• Space Group: P 2₁ 2₁ 2₁
• Diffraction Data: https://doi.org/10.18430/m38v8x

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.796	α = 90
b = 63.192	β = 90
c = 119.988	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-12-13 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	75N93022C00036
National Institutes of Health/Office of the Director	United States	S10OD030394

Revision History  

• Version 1.0: 2023-12-13
  Type: Initial release