4NEA

1.90 Angstrom resolution crystal structure of betaine aldehyde dehydrogenase (betB) from Staphylococcus aureus in complex with NAD+ and BME-free Cys289


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.188 
  • R-Value Work: 0.140 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

Structural and functional analysis of betaine aldehyde dehydrogenase from Staphylococcus aureus.

Halavaty, A.S.Rich, R.L.Chen, C.Joo, J.C.Minasov, G.Dubrovska, I.Winsor, J.R.Myszka, D.G.Duban, M.Shuvalova, L.Yakunin, A.F.Anderson, W.F.

(2015) Acta Crystallogr.,Sect.D 71: 1159-1175

  • DOI: 10.1107/S1399004715004228
  • Primary Citation of Related Structures:  4NU9, 4Q92, 4QJE, 4QN2, 4QTO
  • Also Cited By: 4ZWL, 4ZXU, 5DIB, 5EYU, 5EZ4

  • PubMed Abstract: 
  • When exposed to high osmolarity, methicillin-resistant Staphylococcus aureus (MRSA) restores its growth and establishes a new steady state by accumulating the osmoprotectant metabolite betaine. Effective osmoregulation has also been implicated in the ...

    When exposed to high osmolarity, methicillin-resistant Staphylococcus aureus (MRSA) restores its growth and establishes a new steady state by accumulating the osmoprotectant metabolite betaine. Effective osmoregulation has also been implicated in the acquirement of a profound antibiotic resistance by MRSA. Betaine can be obtained from the bacterial habitat or produced intracellularly from choline via the toxic betaine aldehyde (BA) employing the choline dehydrogenase and betaine aldehyde dehydrogenase (BADH) enzymes. Here, it is shown that the putative betaine aldehyde dehydrogenase SACOL2628 from the early MRSA isolate COL (SaBADH) utilizes betaine aldehyde as the primary substrate and nicotinamide adenine dinucleotide (NAD(+)) as the cofactor. Surface plasmon resonance experiments revealed that the affinity of NAD(+), NADH and BA for SaBADH is affected by temperature, pH and buffer composition. Five crystal structures of the wild type and three structures of the Gly234Ser mutant of SaBADH in the apo and holo forms provide details of the molecular mechanisms of activity and substrate specificity/inhibition of this enzyme.


    Organizational Affiliation

    Department of Biochemistry and Molecular Genetics, Northwestern University, 303 East Chicago Avenue, Chicago, IL 60611, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Betaine aldehyde dehydrogenase
A, B, C, D
520Staphylococcus aureus (strain COL)Gene Names: betB
EC: 1.2.1.8
Find proteins for A0A0H2X0S3 (Staphylococcus aureus (strain COL))
Go to UniProtKB:  A0A0H2X0S3
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
K
Query on K

Download SDF File 
Download CCD File 
A, B, C, D
POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
 Ligand Interaction
NAD
Query on NAD

Download SDF File 
Download CCD File 
A, B, C, D
NICOTINAMIDE-ADENINE-DINUCLEOTIDE
C21 H27 N7 O14 P2
BAWFJGJZGIEFAR-NNYOXOHSSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

Unit Cell:
Length (Å)Angle (°)
a = 86.728α = 90.00
b = 142.073β = 90.00
c = 163.112γ = 90.00
Software Package:
Software NamePurpose
PHASERphasing
Blu-Icedata collection
HKL-3000data reduction
REFMACrefinement
HKL-3000data scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2013-11-06
    Type: Initial release
  • Version 1.1: 2015-05-13
    Type: Database references
  • Version 1.2: 2015-06-03
    Type: Database references
  • Version 1.3: 2017-11-15
    Type: Refinement description