Macromolecule Content

Total Structure Weight: 39.24 kDa
Atom Count: 3,085
Modelled Residue Count: 326
Deposited Residue Count: 346
Unique protein chains: 1

3IX3

LasR-OC12 HSL complex

PDB DOI: https://doi.org/10.2210/pdb3IX3/pdb

Classification: TRANSCRIPTION
Organism(s): Pseudomonas aeruginosa
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2009-09-03 Released: 2009-09-15
Deposition Author(s): Zou, Y., Nair, S.K.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.40 Å
R-Value Free: 0.207
R-Value Work: 0.168
R-Value Observed: 0.170

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.1 of the entry. See complete history.

Literature

LasR-OC12 HSL complex

Zou, Y., Nair, S.K.

To be published.

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcriptional activator protein lasR	A, B	173	Pseudomonas aeruginosa	Mutation(s): 0 Gene Names: lasR, PA1430
UniProt
Find proteins for P25084 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore P25084 Go to UniProtKB: P25084
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P25084
Protein Feature View Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
OHN Query on OHN Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth B] MOL2 format, chain C [auth A] MOL2 format, chain D [auth B]	C [auth A], D [auth B]	N-3-OXO-DODECANOYL-L-HOMOSERINE LACTONE C₁₆ H₂₇ N O₄ PHSRRHGYXQCRPU-AWEZNQCLSA-N		Ligand Interaction

Binding Affinity Annotations
ID	Source	Binding Affinity
OHN	BindingDB: 3IX3	EC50: min: 1.5, max: 139 (nM) from 4 assay(s)

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.40 Å
R-Value Free: 0.207
R-Value Work: 0.168
R-Value Observed: 0.170
Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.293	α = 90
b = 67.616	β = 115.04
c = 54.396	γ = 90

Software Package:

Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2009-09-15

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2009-09-15
Type: Initial release
Version 1.1: 2011-07-13
Changes: Version format compliance

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.