4XVO

L,D-transpeptidase from Mycobacterium smegmatis

• PDB DOI: https://doi.org/10.2210/pdb4XVO/pdb

• Classification: TRANSFERASE
• Organism(s): Mycolicibacterium smegmatis MC2 155
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2015-01-27 Released: 2015-02-11 
• Deposition Author(s): Osipiuk, J., Wu, R., Endres, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.238 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 

Literature

L,D-transpeptidase from Mycobacterium smegmatis

Osipiuk, J., Wu, R., Endres, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 72.18 kDa 
• Atom Count: 5,201 
• Modelled Residue Count: 651 
• Deposited Residue Count: 669 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
L,D-transpeptidase	A, B, C	223	Mycolicibacterium smegmatis MC2 155	Mutation(s): 0  Gene Names: MSMEI_3449
UniProt
Find proteins for I7G323 (Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155)) Explore I7G323  Go to UniProtKB:  I7G323

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	D [auth A], E [auth A], F [auth B], G [auth C]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.238 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 
• Space Group: C 2 2 2₁
• Diffraction Data: https://doi.org/10.18430/M34XVO

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.39	α = 90
b = 160.047	β = 90
c = 209.912	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2015-02-11 
Deposition Author(s): Osipiuk, J., Wu, R., Endres, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM094585

Revision History  

• Version 1.0: 2015-02-11
  Type: Initial release
  
• Version 1.1: 2017-09-27
  Changes: Author supporting evidence, Derived calculations, Source and taxonomy, Structure summary
• Version 1.2: 2019-12-25
  Changes: Author supporting evidence
• Version 1.3: 2024-10-16
  Changes: Data collection, Database references, Structure summary