9JQN | pdb_00009jqn

CryoEM structure of mouse RAG SEC-2DNA

• PDB DOI: https://doi.org/10.2210/pdb9JQN/pdb
• NAKB: 9JQN
• EM Map EMD-61730: EMDB EMDataResource

• Classification: DNA BINDING PROTEIN/DNA
• Organism(s): Mus musculus, Escherichia coli, Escherichia
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2024-09-27 Released: 2025-07-23 
• Deposition Author(s): Chen, X., Yao, L., Yang, W., Gellert, M.
• Funding Organization(s): National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK), National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.03 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

CryoEM structure of mouse RAG SEC-12/23DNA

Chen, X., Yao, L., Yang, W., Gellert, M.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 391.51 kDa 
• Atom Count: 16,485 
• Modeled Residue Count: 1,896 
• Deposited Residue Count: 3,246 
• Unique protein chains: 2
• Unique nucleic acid chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
V(D)J recombination-activating protein 1	A, C	1,040	Mus musculus	Mutation(s): 0  Gene Names: Rag1 EC: 3.1 (PDB Primary Data), 2.3.2.27 (PDB Primary Data)
UniProt
Find proteins for P15919 (Mus musculus) Explore P15919  Go to UniProtKB:  P15919

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
V(D)J recombination-activating protein 2	B, D	527	Mus musculus	Mutation(s): 0  Gene Names: Rag2, Rag-2
UniProt
Find proteins for P21784 (Mus musculus) Explore P21784  Go to UniProtKB:  P21784

Entity ID: 3
Molecule	Chains	Length	Organism	Image
DNA (5'-D(P*AP*TP*TP*TP*GP*CP*AP*TP*CP*AP*CP*TP*GP*TP*G)-3')	E [auth G]	15	Escherichia coli

Entity ID: 4
Molecule	Chains	Length	Organism	Image
DNA (5'-D(*CP*AP*CP*AP*GP*TP*GP*AP*TP*AP*CP*AP*GP*CP*C)-3')	F [auth L]	15	Escherichia

Entity ID: 5
Molecule	Chains	Length	Organism	Image
DNA (5'-D(*CP*AP*CP*AP*GP*TP*GP*AP*TP*GP*CP*AP*AP*AP*T)-3')	G [auth M]	15	Escherichia coli

Entity ID: 6
Molecule	Chains	Length	Organism	Image
DNA (5'-D(P*GP*GP*CP*TP*GP*TP*AP*TP*CP*AP*CP*TP*GP*TP*G)-3')	H [auth F]	15	Escherichia coli

Entity ID: 7
Molecule	Chains	Length	Organism	Image
DNA (5'-D(*CP*AP*GP*GP*CP*CP*AP*GP*AP*TP*CP*CP*A)-3')	I [auth H], K [auth E]	13	Escherichia coli

Entity ID: 8
Molecule	Chains	Length	Organism	Image
DNA (5'-D(P*TP*GP*GP*AP*TP*CP*TP*GP*GP*CP*CP*TP*G)-3')	J [auth I], L [auth J]	13	Escherichia coli

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	N [auth A], P [auth C]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CA	M [auth A], O [auth C]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.03 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-07-23 
Deposition Author(s): Chen, X., Yao, L., Yang, W., Gellert, M.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)	United States	--
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

• Version 1.0: 2025-07-23
  Type: Initial release