7Z0K

human PEX13 SH3 in complex with PEX5 W4 (WxxxF/Y) motif

• PDB DOI: https://doi.org/10.2210/pdb7Z0K/pdb

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


• Deposited: 2022-02-23 Released: 2023-03-08 
• Deposition Author(s): Gaussmann, S., Napolitano, V., sattler, M.
• Funding Organization(s): German Research Foundation (DFG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.217 
• R-Value Work: 0.193 
• R-Value Observed: 0.194 

Starting Model: experimental

Literature

Intramolecular autoinhibition of human PEX13 modulates peroxisomal import

Gaussmann, S., Ott, J., Zak, K.M., Delhommel, F., Popowicz, G.M., Schliebs, W., Erdmann, R., Sattler, M.

(2022) bioRxiv 

• DOI: https://doi.org/10.1101/2022.12.19.520972

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 23.15 kDa 
• Atom Count: 1,420 
• Modelled Residue Count: 169 
• Deposited Residue Count: 210 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Peroxisomal membrane protein PEX13,Peroxisomal targeting signal 1 receptor	A, B	105	Homo sapiens	Mutation(s): 0  Gene Names: PEX13, PEX5, PXR1
UniProt & NIH Common Fund Data Resources
Find proteins for Q92968 (Homo sapiens) Explore Q92968  Go to UniProtKB:  Q92968
PHAROS:  Q92968 GTEx:  ENSG00000162928
Find proteins for P50542 (Homo sapiens) Explore P50542  Go to UniProtKB:  P50542
PHAROS:  P50542 GTEx:  ENSG00000139197
UniProt Groups	Q92968P50542

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.217 
• R-Value Work: 0.193 
• R-Value Observed: 0.194 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.662	α = 90
b = 87.662	β = 90
c = 66.112	γ = 120

Software Package:

Software Name	Purpose
Aimless	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
Coot	model building
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-03-08 
Deposition Author(s): Gaussmann, S., Napolitano, V., sattler, M.

---

Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	FOR1905

Revision History  

• Version 1.0: 2023-03-08
  Type: Initial release
  
• Version 1.1: 2024-02-07
  Changes: Data collection, Refinement description