6ZVB

14-3-3 Sigma in complex with phosphorylated Gab2pT391 peptide - 24h incubation

• PDB DOI: https://doi.org/10.2210/pdb6ZVB/pdb

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


• Deposited: 2020-07-24 Released: 2021-08-04 
• Deposition Author(s): Ballone, A., Lau, R.A., Zweipfenning, F.P.A., Ottmann, C.
• Funding Organization(s): Marie Sklodowska-Curie Actions, FragNET ITN

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.51 Å
• R-Value Free: 0.263 
• R-Value Work: 0.200 
• R-Value Observed: 0.203 

Literature

A new soaking procedure for X-ray crystallography structural determination of protein-peptide complexes

Ballone, A., Lau, R.A., Zweipfenning, F.P.A., Ottmann, 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: 29.84 kDa 
• Atom Count: 2,111 
• Modelled Residue Count: 246 
• Deposited Residue Count: 266 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
14-3-3 protein sigma	A	253	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
phosphorylated Gab2pT391 peptide	B [auth P]	13	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UQC2 (Homo sapiens) Explore Q9UQC2  Go to UniProtKB:  Q9UQC2
PHAROS:  Q9UQC2 GTEx:  ENSG00000033327

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	C [auth A], D [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CSO	A	L-PEPTIDE LINKING	C3 H7 N O3 S		CYS
TPO	B [auth P]	L-PEPTIDE LINKING	C4 H10 N O6 P		THR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.51 Å
• R-Value Free: 0.263 
• R-Value Work: 0.200 
• R-Value Observed: 0.203 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 82.403	α = 90
b = 111.914	β = 90
c = 62.473	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-08-04 
Deposition Author(s): Ballone, A., Lau, R.A., Zweipfenning, F.P.A., Ottmann, C.

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Funding Organization	Location	Grant Number
Marie Sklodowska-Curie Actions, FragNET ITN	Netherlands	675179

Revision History  

• Version 1.0: 2021-08-04
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Advisory, Data collection, Database references, Refinement description