9N3Z | pdb_00009n3z

Type IV-A1 CRISPR effector complex bound to dsDNA and CasDinG - locked state

PDB DOI: https://doi.org/10.2210/pdb9N3Z/pdb
EM Map EMD-48863: EMDB EMDataResource

Classification: DNA BINDING PROTEIN
Organism(s): Pseudomonas aeruginosa, synthetic construct
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-02-01 Released: 2026-08-05
Deposition Author(s): Kiernan, K.A., Taylor, D.W.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), Welch Foundation, American Cancer Society

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.04 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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

Literature

Locked and loaded: mechanisms of CasDinG recruitment to the type IV-A1 CRISPR effector complex

Kiernan, K.A., Taylor, D.W.

To be published.

Macromolecule Content

Total Structure Weight: 399.94 kDa
Atom Count: 25,215
Modeled Residue Count: 3,055
Deposited Residue Count: 3,391
Unique protein chains: 5
Unique nucleic acid chains: 3

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CRISPR type AFERR-associated protein Csf1 (Cas8)	A	241	Pseudomonas aeruginosa	Mutation(s): 0
UniProt
Find proteins for A0AAB0B1U3 (Pseudomonas aeruginosa) Explore A0AAB0B1U3 Go to UniProtKB: A0AAB0B1U3
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0AAB0B1U3
Sequence Annotations Expand
Reference Sequence

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| 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
CCRISPR type AFERR-associated protein Csf3 (Cas5)	B	220	Pseudomonas aeruginosa	Mutation(s): 0
UniProt
Find proteins for A0AAB0B1V2 (Pseudomonas aeruginosa) Explore A0AAB0B1V2 Go to UniProtKB: A0AAB0B1V2
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0AAB0B1V2
Sequence Annotations Expand
Reference Sequence

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| 3D Structure

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
CRISPR type AFERR-associated protein Csf2 (Cas7)	C, D, E, F, G	359	Pseudomonas aeruginosa	Mutation(s): 0
UniProt
Find proteins for A0AAB0B1V3 (Pseudomonas aeruginosa) Explore A0AAB0B1V3 Go to UniProtKB: A0AAB0B1V3
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0AAB0B1V3
Sequence Annotations Expand
Reference Sequence

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| 3D Structure

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
CRISPR type AFERR-associated protein Csf5 (Cas6)	H	232	Pseudomonas aeruginosa	Mutation(s): 0
UniProt
Find proteins for A0AAB0B1V7 (Pseudomonas aeruginosa) Explore A0AAB0B1V7 Go to UniProtKB: A0AAB0B1V7
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0AAB0B1V7
Sequence Annotations Expand
Reference Sequence

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| 3D Structure

Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
CRISPR-associated DEAD/DEAH-box helicase CasDinG	L	748	Pseudomonas aeruginosa	Mutation(s): 0
UniProt
Find proteins for A0AA82WPF0 (Pseudomonas aeruginosa) Explore A0AA82WPF0 Go to UniProtKB: A0AA82WPF0
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0AA82WPF0
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff)

Molecule	Chains	Length	Organism
Entity ID: 5
crRNA (61-MER)	I	61	Pseudomonas aeruginosa
Sequence Annotations Expand
Reference Sequence

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Molecule	Chains	Length	Organism
Entity ID: 6
DNA, non-target strand (47-MER)	J	47	synthetic construct
Sequence Annotations Expand
Reference Sequence

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Molecule	Chains	Length	Organism
Entity ID: 7
DNA, target strand (47-MER)	K	47	synthetic construct
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ZN Query on ZN Download:Ideal Coordinates CCD File SDF format, chain M [auth A] MOL2 format, chain M [auth A] mmCIF format, chain M [auth A]	M [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain M [auth A] Interactions & Density Focus chain M [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.04 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21_5207

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-08-05

Deposition Author(s):

Kiernan, K.A.

Taylor, D.W.

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R35GM138348
Welch Foundation	United States	F-1938-20200401
American Cancer Society	United States	RSG-21-050-01-DMC