3VFH | pdb_00003vfh

BlaC E166A CDC-1 Acyl-Intermediate

• PDB DOI: https://doi.org/10.2210/pdb3VFH/pdb

• Classification: Hydrolase/Hydrolase Inhibitor
• Organism(s): Mycobacterium tuberculosis
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2012-01-09 Released: 2012-09-19 
• Deposition Author(s): Mire, J.A., Sacchettini, J.C., TB Structural Genomics Consortium (TBSGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.57 Å
• R-Value Free: 
  0.252 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.225 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.227 (Depositor) 

Starting Model: experimental

Literature

BlaC-Specific Fluorogenic Probes for Rapid Tuberculosis Detection

Xie, H., Mire, J.A., Kong, Y., Chang, M., Sacchettini, J.C., Cirillo, J.D., Rao, J.

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)

Biological Assembly 4  

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

Biological assembly 4 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 123.29 kDa 
• Atom Count: 8,123 
• Modeled Residue Count: 1,060 
• Deposited Residue Count: 1,140 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-lactamase	A, B, C, D	285	Mycobacterium tuberculosis	Mutation(s): 1  Gene Names: blaA, blaC, MT2128, MTCY49.07c, Rv2068c EC: 3.5.2.6
UniProt
Find proteins for P9WKD3 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WKD3  Go to UniProtKB:  P9WKD3

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CD6	H [auth B], J [auth C]	(2R)-5-methylidene-2-{(1R)-2-oxo-1-[(phenylacetyl)amino]ethyl}-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid C16 H16 N2 O4 S ISCTZDPSWLBTMN-IUODEOHRSA-N
PO4	E [auth A], F [auth A], G [auth A], I [auth B], K [auth C], L [auth D], M [auth D]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.57 Å
• R-Value Free:  0.252 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.225 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.227 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 79.396	α = 90
b = 97.459	β = 108.37
c = 110.958	γ = 90

Software Package:

Software Name	Purpose
HKL-3000	data collection
PHASER	phasing
PHENIX	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-09-19 
Deposition Author(s): Mire, J.A., Sacchettini, J.C., TB Structural Genomics Consortium (TBSGC)

Revision History  

• Version 1.0: 2012-09-19
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2024-10-16
  Changes: Structure summary