31JS | pdb_000031js

Oxidized E.coli aerotaxis receptor in MH-cap bound state

PDB DOI: https://doi.org/10.2210/pdb31JS/pdb
EM Map EMD-58450: EMDB EMDataResource

Classification: FLAVOPROTEIN
Organism(s): Escherichia coli K-12
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2026-06-09 Released: 2026-11-04
Deposition Author(s): Olsthoorn, F.A., Muok, A.R., Xu, Y., Crane, B.R.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 4.00 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Starting Model: in silico
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wwPDB Validation 3D Report Full Report

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This is version 1.0 of the entry. See complete history.

Literature

Signaling mechanism of the transmembrane energy receptor Aer

Olsthoorn, F.A., Muok, A.R., Maschmann, Z.A., Xu, Y., Chandrasekaran, S., Crane, B.R.

To be published.

Macromolecule Content

Total Structure Weight: 117.58 kDa
Atom Count: 5,328
Modeled Residue Count: 664
Deposited Residue Count: 1,068
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aerotaxis receptor	A, B	534	Escherichia coli K-12	Mutation(s): 0 Gene Names: aer, air, yqjJ, b3072, JW3043
UniProt
Find proteins for P50466 (Escherichia coli (strain K12)) Explore P50466 Go to UniProtKB: P50466
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P50466
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
FAD (Subject of Investigation/LOI) Query on FAD 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] mmCIF format, chain C [auth A] mmCIF format, chain D [auth B]	C [auth A], D [auth B]	FLAVIN-ADENINE DINUCLEOTIDE C₂₇ H₃₃ N₉ O₁₅ P₂ VWWQXMAJTJZDQX-UYBVJOGSSA-N		Interactions Focus chain C [auth A] Focus chain D [auth B] Interactions & Density Focus chain C [auth A] Focus chain D [auth B]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 4.00 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.2_5419
RECONSTRUCTION	cryoSPAR

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-11-04

Deposition Author(s):

Olsthoorn, F.A.

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GMR35122535

Revision History (Full details and data files)

Version 1.0: 2026-11-04
Type: Initial release