8QVX

Structure of the PBD of human SRP68/72 (cryoSPARC 3DFlex)

• PDB DOI: https://doi.org/10.2210/pdb8QVX/pdb
• EM Map EMD-18677: EMDB EMDataResource

• Classification: TRANSLATION
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-10-18 Released: 2024-10-30 
• Deposition Author(s): Zhong, Y., Feng, J., Koh, A.F., Kotecha, A., Greber, B.J., Ataide, S.F.
• Funding Organization(s): Medical Research Council (MRC, United Kingdom)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: in silico

Literature

To be published

Zhong, Y., Feng, J., Koh, A.F., Kotecha, A., Greber, B.J., Ataide, S.F.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 141.61 kDa 
• Atom Count: 3,948 
• Modelled Residue Count: 496 
• Deposited Residue Count: 1,251 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Signal recognition particle subunit SRP68	A	577	Homo sapiens	Mutation(s): 0  Gene Names: SRP68
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UHB9 (Homo sapiens) Explore Q9UHB9  Go to UniProtKB:  Q9UHB9
PHAROS:  Q9UHB9 GTEx:  ENSG00000167881

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Signal recognition particle subunit SRP72	B	674	Homo sapiens	Mutation(s): 0  Gene Names: SRP72
UniProt & NIH Common Fund Data Resources
Find proteins for O76094 (Homo sapiens) Explore O76094  Go to UniProtKB:  O76094
PHAROS:  O76094 GTEx:  ENSG00000174780

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.70 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-10-30 
Deposition Author(s): Zhong, Y., Feng, J., Koh, A.F., Kotecha, A., Greber, B.J., Ataide, S.F.

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Funding Organization	Location	Grant Number
Medical Research Council (MRC, United Kingdom)	United Kingdom	MR/V009354/1

Revision History  

• Version 1.0: 2024-10-30
  Type: Initial release