9RW6 | pdb_00009rw6

Egalitarian-BicD in complex with ILS of I-factor mRNA (Structure A)

PDB DOI: https://doi.org/10.2210/pdb9RW6/pdb
EM Map EMD-54300: EMDB EMDataResource

Classification: RNA BINDING PROTEIN
Organism(s): Drosophila melanogaster
Expression System: Spodoptera frugiperda
Mutation(s): No

Deposited: 2025-07-09 Released: 2026-03-25
Deposition Author(s): Singh, K., Chilaeva, S., McClintock, M.A., Bullock, S.L., Carter, A.P.
Funding Organization(s): Medical Research Council (MRC, United Kingdom), European Molecular Biology Organization (EMBO)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.40 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

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

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

Literature

Structures of Egl-BicD reveal how diverse mRNAs are selected for subcellular localization

Singh, K., Chilaeva, S., McClintock, M.A., Bullock, S.L., Carter, A.P.

To be published.

Macromolecule Content

Total Structure Weight: 442.7 kDa
Atom Count: 7,760
Modeled Residue Count: 818
Deposited Residue Count: 3,708
Unique protein chains: 2
Unique nucleic acid chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein bicaudal D	A, B	782	Drosophila melanogaster	Mutation(s): 0 Gene Names: BicD, CG6605
UniProt
Find proteins for P16568 (Drosophila melanogaster) Explore P16568 Go to UniProtKB: P16568
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P16568
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Egalitarian, isoform B	D, E [auth C]	1,012	Drosophila melanogaster	Mutation(s): 0 Gene Names: egl, Dmel\CG4051, egal, EGL, CG4051, Dmel_CG4051
UniProt
Find proteins for Q9W1K4 (Drosophila melanogaster) Explore Q9W1K4 Go to UniProtKB: Q9W1K4
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q9W1K4
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff)

Entity ID: 2
Molecule	Chains	Length	Organism	Image
ILS	C [auth E], F	60	Drosophila melanogaster
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.40 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20_4459
RECONSTRUCTION	RELION	5

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2026-03-25

Deposition Author(s):

McClintock, M.A.

Funding Organization	Location	Grant Number
Medical Research Council (MRC, United Kingdom)	United Kingdom	MC_UP_A025_1011
European Molecular Biology Organization (EMBO)	European Union	ALTF 197-2021

Revision History (Full details and data files)

Version 1.0: 2026-03-25
Type: Initial release

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.