Macromolecule Content

Total Structure Weight: 27.47 kDa
Atom Count: 1,882
Modelled Residue Count: 209
Deposited Residue Count: 232
Unique protein chains: 1

6ELF

Tryptophan Repressor TrpR from E.coli variant M42F T44L T81I S88Y with Indole-3-acetic acid as ligand

PDB DOI: 10.2210/pdb6ELF/pdb

Classification: TRANSCRIPTION
Organism(s): Escherichia coli
Expression System: Escherichia coli BL21(DE3)
Mutation(s): Yes

Deposited: 2017-09-28 Released: 2019-02-06
Deposition Author(s): Stiel, A.C., Shanmugaratnam, S., Herud-Sikimic, O., Juergens, G., Hocker, B.
Funding Organization(s): German Research Foundation

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.83 Å
R-Value Free: 0.217
R-Value Work: 0.177
R-Value Observed: 0.179

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

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

Literature

A biosensor for the direct visualization of auxin

Herud-Sikimic, O., Stiel, A.C., Kolb, M., Shanmugaratnam, S., Berendzen, K.W., Feldhaus, C., Hocker, B., Juergens, G.

(2021) Nature

DOI: 10.1038/s41586-021-03425-2

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Trp operon repressor	A, B	116	Escherichia coli	Mutation(s): 4 Gene Names: trpR
UniProt
Find proteins for P0A881 (Escherichia coli (strain K12)) Explore P0A881 Go to UniProtKB: P0A881
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P0A881
Protein Feature View Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
IAC Query on IAC 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]	1H-INDOL-3-YLACETIC ACID C₁₀ H₉ N O₂ SEOVTRFCIGRIMH-UHFFFAOYSA-N		Ligand Interaction

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.83 Å
R-Value Free: 0.217
R-Value Work: 0.177
R-Value Observed: 0.179
Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.96	α = 90
b = 63.41	β = 90
c = 64.82	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment

Entry History & Funding Information

Deposition Data

Released Date: 2019-02-06

Deposition Author(s):

Shanmugaratnam, S.

Herud-Sikimic, O.

Funding Organization	Location	Grant Number
German Research Foundation	Germany	HO 4022/2-3

Revision History (Full details and data files)

Version 1.0: 2019-02-06
Type: Initial release
Version 1.1: 2021-04-07
Changes: Database references

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.