11IC | pdb_000011ic

IscB-TID truncated and wRNA bound to Target ssRNA

PDB DOI: https://doi.org/10.2210/pdb11IC/pdb
EM Map EMD-75710: EMDB EMDataResource

Classification: RNA BINDING PROTEIN/RNA
Organism(s): synthetic construct
Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
Mutation(s): No

Deposited: 2026-02-25 Released: 2026-06-03
Deposition Author(s): Xu, C., Yang, Q., Niu, X., Ke, A.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.63 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 11IC

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

Literature

IscB-TID truncated and wRNA bound to Target ssRNA

Xu, C., Yang, Q., Niu, X., Ke, A.

To be published.

Macromolecule Content

Total Structure Weight: 134.52 kDa
Atom Count: 7,001
Modeled Residue Count: 537
Deposited Residue Count: 702
Unique protein chains: 1
Unique nucleic acid chains: 2

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
IscB	A	441	synthetic construct	Mutation(s): 0

Find similar nucleic acids by:

(by identity cutoff)

Molecule	Chains	Length	Organism	Image
Entity ID: 2
wRNA (233-MER)	B	233	synthetic construct
Sequence Annotations Expand
Reference Sequence

Find similar nucleic acids by:

(by identity cutoff)

Molecule	Chains	Length	Organism	Image
Entity ID: 3
Target ssRNA	C	28	synthetic construct
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
MG (Subject of Investigation/LOI) Query on MG Download:Ideal Coordinates CCD File SDF format, chain D [auth A] MOL2 format, chain D [auth A] mmCIF format, chain D [auth A]	D [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Interactions & Density Focus chain D [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.63 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.2_5419
RECONSTRUCTION	cryoSPARC

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-06-03

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R35118174

Revision History (Full details and data files)

Version 1.0: 2026-06-03
Type: Initial release

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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.