1S31

Crystal Structure Analysis of the human Tub protein (isoform a) spanning residues 289 through 561

• PDB DOI: https://doi.org/10.2210/pdb1S31/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 
• Membrane Protein: Yes  OPM


• Deposited: 2004-01-12 Released: 2005-01-25 
• Deposition Author(s): Boutboul, S., Carroll, K.J., Basdevant, A., Gomez, C., Nandrot, E., Clement, K., Shapiro, L., Abitbol, M.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.226 
• R-Value Work: 0.181 
• R-Value Observed: 0.184 

Literature

A novel human obesity and sensory deficit syndrome resulting from a mutation in the TUB gene

Boutboul, S., Carroll, K.J., Basdevant, A., Gomez, C., Nandrot, E., Clement, K., Shapiro, L., Abitbol, M.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 30.95 kDa 
• Atom Count: 2,238 
• Modelled Residue Count: 273 
• Deposited Residue Count: 273 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
tubby isoform a	A	273	Homo sapiens	Mutation(s): 0  Gene Names: tub Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P50607 (Homo sapiens) Explore P50607  Go to UniProtKB:  P50607
PHAROS:  P50607 GTEx:  ENSG00000166402

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PGE	B [auth A]	TRIETHYLENE GLYCOL C6 H14 O4 ZIBGPFATKBEMQZ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.226 
• R-Value Work: 0.181 
• R-Value Observed: 0.184 
• Space Group: I 2 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 149.981	α = 90
b = 149.981	β = 90
c = 149.981	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-01-25 
Deposition Author(s): Boutboul, S., Carroll, K.J., Basdevant, A., Gomez, C., Nandrot, E., Clement, K., Shapiro, L., Abitbol, M.

Revision History  

• Version 1.0: 2005-01-25
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Derived calculations, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2023-08-23
  Changes: Data collection, Database references, Derived calculations, Refinement description