1BUL | pdb_00001bul

6ALPHA-(HYDROXYPROPYL)PENICILLANATE ACYLATED ON NMC-A BETA-LACTAMASE FROM ENTEROBACTER CLOACAE

• PDB DOI: https://doi.org/10.2210/pdb1BUL/pdb

• Classification: HYDROLASE
• Organism(s): Enterobacter cloacae
• Mutation(s): No 


• Deposited: 1998-09-04 Released: 1998-12-30 
• Deposition Author(s): Mourey, L., Swaren, P., Miyashita, K., Bulychev, A., Mobashery, S., Samama, J.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.89 Å
• R-Value Free: 
  0.257 (Depositor), 0.243 (DCC) 
• R-Value Work: 
  0.209 (Depositor), 0.201 (DCC) 
• R-Value Observed: 
  0.209 (Depositor) 

Starting Model: experimental

Literature

Inhibition of the Nmc-A B-Lactamase by a Penicillanic Acid Derivative, and the Structural Bases for the Increase in Substrate Profile of This Antibiotic Resistance Enzyme

Mourey, L., Swaren, P., Miyashita, K., Bulychev, A., Mobashery, S., Samama, J.P.

(1998) J Am Chem Soc 120: 9382-9383

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: 30 kDa 
• Atom Count: 2,292 
• Modeled Residue Count: 265 
• Deposited Residue Count: 265 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NMC-A BETA-LACTAMASE	A	265	Enterobacter cloacae	Mutation(s): 0  EC: 3.5.2.6
UniProt
Find proteins for P52663 (Enterobacter cloacae) Explore P52663  Go to UniProtKB:  P52663

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
AP3	B [auth A]	2-(1-CARBOXY-2-HYDROXY-2-METHYL-PROPYL)-5,5-DIMETHYL-THIAZOLIDINE-4-CARBOXYLIC ACID C11 H19 N O5 S MAATUKZAHQWKEG-DSYKOEDSSA-N
MES	C [auth A], D [auth A], E [auth A]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C6 H13 N O4 S SXGZJKUKBWWHRA-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.89 Å
• R-Value Free:  0.257 (Depositor), 0.243 (DCC) 
• R-Value Work:  0.209 (Depositor), 0.201 (DCC) 
• R-Value Observed: 0.209 (Depositor) 

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.55	α = 90
b = 52.46	β = 90
c = 67.22	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
ROTAVATA	data reduction
Agrovata	data reduction
AMoRE	phasing
X-PLOR	refinement
CCP4	data scaling
ROTAVATA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 1998-12-30 
Deposition Author(s): Mourey, L., Swaren, P., Miyashita, K., Bulychev, A., Mobashery, S., Samama, J.P.

Revision History  

• Version 1.0: 1998-12-30
  Type: Initial release
  
• Version 1.1: 2008-03-03
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-04-03
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2024-11-20
  Changes: Structure summary