8ALZ | pdb_00008alz

Cryo-EM structure of ASCC3 in complex with ASC1

• PDB DOI: https://doi.org/10.2210/pdb8ALZ/pdb
• EM Map EMD-15521: EMDB EMDataResource

• Classification: DNA BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Trichoplusia ni
• Mutation(s): No 


• Deposited: 2022-08-01 Released: 2023-03-08 
• Deposition Author(s): Jia, J., Hilal, T., Loll, B., Wahl, M.C.
• Funding Organization(s): German Research Foundation (DFG)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of ASCC3 in complex with ASC1

Jia, J., Hilal, T., Loll, B., Wahl, M.C.

(2023) Nat Commun 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 273.06 kDa 
• Atom Count: 16,409 
• Modeled Residue Count: 2,041 
• Deposited Residue Count: 2,391 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Activating signal cointegrator 1	A	585	Homo sapiens	Mutation(s): 0  Gene Names: TRIP4, RQT4
UniProt & NIH Common Fund Data Resources
Find proteins for Q15650 (Homo sapiens) Explore Q15650  Go to UniProtKB:  Q15650
PHAROS:  Q15650 GTEx:  ENSG00000103671

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Activating signal cointegrator 1 complex subunit 3	B	1,806	Homo sapiens	Mutation(s): 0  Gene Names: ASCC3, HELIC1, RQT2 EC: 3.6.4.12 (PDB Primary Data), 5.6.2.4 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for Q8N3C0 (Homo sapiens) Explore Q8N3C0  Go to UniProtKB:  Q8N3C0
PHAROS:  Q8N3C0 GTEx:  ENSG00000112249

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	C [auth A], D [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX
RECONSTRUCTION	cryoSPARC	3.2

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2023-03-08 
Deposition Author(s): Jia, J., Hilal, T., Loll, B., Wahl, M.C.

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Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	INST 130/1064-1 FUGG
German Research Foundation (DFG)	Germany	GRK 2473
German Research Foundation (DFG)	Germany	501_BIS-CryoFac
German Research Foundation (DFG)	Germany	BO3442/1-2
German Research Foundation (DFG)	Germany	SFB860

Revision History  

• Version 1.0: 2023-03-08
  Type: Initial release
  
• Version 1.1: 2024-07-24
  Changes: Data collection
• Version 1.2: 2025-07-09
  Changes: Data collection, Structure summary