8ANC

14-3-3 sigma sirtuin-3 phospho-peptide complex

• PDB DOI: https://doi.org/10.2210/pdb8ANC/pdb

• Classification: PEPTIDE BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2022-08-05 Released: 2023-08-16 
• Deposition Author(s): Weyand, M., Steegborn, C., Debbert, L.
• Funding Organization(s): German Research Foundation (DFG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.11 Å
• R-Value Free: 0.146 
• R-Value Work: 0.127 
• R-Value Observed: 0.128 

Literature

14-3-3 sigma sirtuin-3 phospho-peptide complex

Weyand, M., Steegborn, C.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

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

Macromolecule Content

• Total Structure Weight: 27.97 kDa 
• Atom Count: 2,653 
• Modelled Residue Count: 246 
• Deposited Residue Count: 247 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
14-3-3 protein sigma	A	236	Homo sapiens	Mutation(s): 0  Gene Names: SFN, HME1
UniProt & NIH Common Fund Data Resources
Find proteins for P31947 (Homo sapiens) Explore P31947  Go to UniProtKB:  P31947
PHAROS:  P31947 GTEx:  ENSG00000175793

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
NAD-dependent protein deacetylase sirtuin-3, mitochondrial	B [auth P]	11	Homo sapiens	Mutation(s): 0  EC: 2.3.1.286
UniProt & NIH Common Fund Data Resources
Find proteins for Q9NTG7 (Homo sapiens) Explore Q9NTG7  Go to UniProtKB:  Q9NTG7
PHAROS:  Q9NTG7 GTEx:  ENSG00000142082

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	F [auth A], G [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
CL	H [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
MG	C [auth A], D [auth A], E [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SEP	B [auth P]	L-PEPTIDE LINKING	C3 H8 N O6 P		SER

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.11 Å
• R-Value Free: 0.146 
• R-Value Work: 0.127 
• R-Value Observed: 0.128 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 82.6	α = 90
b = 112.39	β = 90
c = 62.69	γ = 90

Software Package:

Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-08-16 
Deposition Author(s): Weyand, M., Steegborn, C., Debbert, L.

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Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	DFG STE-1701/15

Revision History  

• Version 1.0: 2023-08-16
  Type: Initial release