9X10 | pdb_00009x10

Cryo-EM structure of the apo form of the KomBC filament

PDB DOI: https://doi.org/10.2210/pdb9X10/pdb
EM Map EMD-66451: EMDB EMDataResource

Classification: ANTIVIRAL PROTEIN
Organism(s): Escherichia coli
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2025-10-01 Released: 2026-10-28
Deposition Author(s): Li, X., Liu, M., Jiang, W.X., Xing, Q., Ma, L.X., Huang, F.T.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.01 Å
Aggregation State: FILAMENT
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9X10

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

Literature

Cryo-EM structure of the apo form of the KomBC filament

Li, X., Liu, M., Jiang, W.X., Xing, Q., Ma, L.X., Huang, F.T.

To be published.

Macromolecule Content

Total Structure Weight: 1,272.18 kDa
Atom Count: 87,720
Modeled Residue Count: 10,824
Deposited Residue Count: 11,064
Unique protein chains: 2

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
KomB	A [auth AA] B [auth AB] CA [auth CE] DA [auth CF] E [auth AE] A [auth AA], B [auth AB], CA [auth CE], DA [auth CF], E [auth AE], F [auth AF], GA [auth CI], HA [auth CJ], I [auth BA], J [auth BB], KA [auth CM], LA [auth CN], M [auth BE], N [auth BF], OA [auth DI], PA [auth DJ], Q [auth BI], R [auth BJ], SA [auth DM], TA [auth DN], U [auth BM], V [auth BN], Y [auth CA], Z [auth CB]	197	Escherichia coli	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
Sequence Annotations Expand
Reference Sequence

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Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
KomC	AA [auth CC] BA [auth CD] C [auth AC] D [auth AD] EA [auth CG] AA [auth CC], BA [auth CD], C [auth AC], D [auth AD], EA [auth CG], FA [auth CH], G [auth AG], H [auth AH], IA [auth CK], JA [auth CL], K [auth BC], L [auth BD], MA [auth CO], NA [auth CP], O [auth BG], P [auth BH], QA [auth DK], RA [auth DL], S [auth BK], T [auth BL], UA [auth DO], VA [auth DP], W [auth BO], X [auth BP]	264	Escherichia coli	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.01 Å
Aggregation State: FILAMENT
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX
RECONSTRUCTION	cryoSPARC

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-10-28

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32371277

Revision History (Full details and data files)

Version 1.0: 2026-10-28
Type: Initial release