9LKJ | pdb_00009lkj

Structure of Cas9-sgRNA-A27

PDB DOI: https://doi.org/10.2210/pdb9LKJ/pdb
NAKB: 9LKJ
EM Map EMD-63180: EMDB EMDataResource

Classification: IMMUNE SYSTEM
Organism(s): Streptococcus pyogenes, Streptococcus pyogenes serotype M1
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-01-16 Released: 2026-01-21
Deposition Author(s): Yu, L., Zhu, Y., Lu, Z., Huang, Z.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.68 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9LKJ

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

Literature

Structure of Cas9-sgRNA-A27

Yu, L., Zhu, Y., Huang, Z.

To be published.

Macromolecule Content

Total Structure Weight: 197.97 kDa
Atom Count: 11,645
Modeled Residue Count: 1,380
Deposited Residue Count: 1,539
Unique protein chains: 2
Unique nucleic acid chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phage protein	A	79	Streptococcus pyogenes	Mutation(s): 0 Gene Names: FGO82_05925, SAMEA1711581_00005
UniProt
Find proteins for A0A4U9C0Y2 (Streptococcus pyogenes) Explore A0A4U9C0Y2 Go to UniProtKB: A0A4U9C0Y2
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0A4U9C0Y2
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
CRISPR-associated endonuclease Cas9/Csn1	B [auth C]	1,368	Streptococcus pyogenes serotype M1	Mutation(s): 0 Gene Names: cas9, csn1, SPy_1046 EC: 3.1
UniProt
Find proteins for Q99ZW2 (Streptococcus pyogenes serotype M1) Explore Q99ZW2 Go to UniProtKB: Q99ZW2
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q99ZW2
Sequence Annotations Expand
Reference Sequence

Find similar nucleic acids by:

(by identity cutoff)

Molecule	Chains	Length	Organism	Image
Entity ID: 3
RNA (98-MER)	C [auth D]	92	Streptococcus pyogenes
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.68 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20_4459:

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-01-21

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History (Full details and data files)

Version 1.0: 2026-01-21
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.