8BUX

Rab-binding domain of human MiniBAR

• PDB DOI: https://doi.org/10.2210/pdb8BUX/pdb

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


• Deposited: 2022-12-01 Released: 2023-12-13 
• Deposition Author(s): Pylypenko, O., Hammich, H., Houdusse, A.
• Funding Organization(s): Agence Nationale de la Recherche (ANR)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.86 Å
• R-Value Free: 0.214 
• R-Value Work: 0.165 
• R-Value Observed: 0.167 

Starting Model: other

Literature

MiniBAR/KIAA0355 is a dual Rac and Rab effector that controls actin contractility and trafficking for successful ciliogenesis

Shaughnessy, R., Serres, M., Escot, S., Hammich, H., Cuvelier, F., Rocancourt, M., Verdon, Q., Gaffuri, A., Sourigues, Y., Malherbe, G., Velikovsky, L., Chardon, F., Thinevez, J., Callebaut, I., Formstecher, E., Houdusse, A., David, N., Pylypenko, O., Echard, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 36.89 kDa 
• Atom Count: 2,473 
• Modelled Residue Count: 289 
• Deposited Residue Count: 334 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Granule associated Rac and RHOG effector protein 1	A	334	Homo sapiens	Mutation(s): 0  Gene Names: GARRE1, KIAA0355
UniProt & NIH Common Fund Data Resources
Find proteins for O15063 (Homo sapiens) Explore O15063  Go to UniProtKB:  O15063
PHAROS:  O15063 GTEx:  ENSG00000166398

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MLI	C [auth A], D [auth A]	MALONATE ION C3 H2 O4 OFOBLEOULBTSOW-UHFFFAOYSA-L
EDO	B [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
MG	E [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.86 Å
• R-Value Free: 0.214 
• R-Value Work: 0.165 
• R-Value Observed: 0.167 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.388	α = 90
b = 123.956	β = 90
c = 38.068	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
autoPROC	data reduction
autoPROC	data scaling
SHELXD	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-12-13 
Deposition Author(s): Pylypenko, O., Hammich, H., Houdusse, A.

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Funding Organization	Location	Grant Number
Agence Nationale de la Recherche (ANR)	France	ANR-18-CE13-0024-02
Agence Nationale de la Recherche (ANR)	France	ANR-20-CE18-0016-02

Revision History  

• Version 1.0: 2023-12-13
  Type: Initial release
  
• Version 1.1: 2024-11-13
  Changes: Structure summary