Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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Protein Workshop | Ligand Explorer

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 24898.25 
• Atom Count: 1738 
• Residue Count: 163 
• Unique protein chains: 1
• Unique nucleic acid chains: 1

6TBZ

Crystal structure of the MH1 domain of Smad5-Smad3 chimera construct bound to the GGCGC site

• DOI: 10.2210/pdb6TBZ/pdb
• NDB: 6TBZ

• Classification: TRANSCRIPTION
• Organism(s): Gallus gallus, Homo sapiens
• Expression System: Escherichia coli


• Deposited: 2019-11-04 Released: 2019-11-20 
• Deposition Author(s): Pluta, R., Maicas, M.J.
• Funding Organization(s): Spanish Ministry of Economy and Competitiveness; European Commission 

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.782 Å
• R-Value Free: 0.226 
• R-Value Work: 0.192 

Literature

Unveiling the dimer/monomer propensities of Smad MH1-DNA complexes

Ruiz, L., Kaczmarska, Z., Gomes, T., Aragon, E., Torner, C., Freier, R., Baginski, B., Martin-Malpartida, P., Martin Garrido, N., Marquez, J., Cordeiro, T., Pluta, R., Macias, M.J.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
Mothers against decapentaplegic homolog 5	A	131	Gallus gallus	Mutation(s): 0  Gene Names: SMAD5 (MADH5)
Find proteins for Q56I99 (Gallus gallus) Go to Gene View: SMAD5 Go to UniProtKB:  Q56I99

Entity ID: 2
Molecule	Chains	Length	Organism
DNA (5'-D(P*TP*GP*CP*AP*GP*GP*CP*GP*CP*GP*CP*CP*TP*GP*CP*A)-3')	B,C	16	Homo sapiens

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
ZN	A	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.782 Å
• R-Value Free: 0.226 
• R-Value Work: 0.192 
• Space Group: P 3₂

Unit Cell:

Length (Å)	Angle (°)
a = 53.145	α = 90.00
b = 53.145	β = 90.00
c = 83.154	γ = 120.00

Software Package:

Software Name	Purpose
BUSTER	refinement
PHASER	phasing
XDS	data reduction
AutoPROC	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Deposited Date: 2019-11-04 
• Released Date: 2019-11-20 
• Deposition Author(s): Pluta, R., Maicas, M.J.

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Funding Organization	Location	Grant Number
Spanish Ministry of Economy and Competitiveness	Spain	--
European Commission		--

Revision History 

• Version 1.0: 2019-11-20
  Type: Initial release
• Version 1.1: 2019-12-11
  Type: Database references, Source and taxonomy, Structure summary