1PFT

N-TERMINAL DOMAIN OF TFIIB, NMR

• PDB DOI: https://doi.org/10.2210/pdb1PFT/pdb

• Classification: TRANSCRIPTION INITIATION
• Organism(s): Pyrococcus furiosus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 1996-03-27 Released: 1996-08-17 
• Deposition Author(s): Zhu, W., Zeng, Q., Colangelo, C.M., Lewis, L.M., Summers, M.F., Scott, R.A.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 25 
• Conformers Submitted: 25 

Literature

The N-terminal domain of TFIIB from Pyrococcus furiosus forms a zinc ribbon.

Zhu, W., Zeng, Q., Colangelo, C.M., Lewis, M., Summers, M.F., Scott, R.A.

(1996) Nat Struct Biol 3: 122-124

• PubMed: 8564536 
• DOI: https://doi.org/10.1038/nsb0296-122
• Primary Citation of Related Structures:  
  1PFT


• PubMed Abstract: 
  

  The three-dimensional structure of the N-terminal domain of an archaeal TFIIB, which has high sequence homology with eucaryal analogues, is strikingly similar to that of the C-terminal zinc ribbon of the eucaryal transcription elongation factor TFIIB.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 5.71 kDa 
• Atom Count: 392 
• Modelled Residue Count: 50 
• Deposited Residue Count: 50 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TFIIB	A	50	Pyrococcus furiosus	Mutation(s): 0  Gene Names: PYROCOCCUS FURIOSUS TFIIB GENE
UniProt
Find proteins for P61998 (Pyrococcus furiosus (strain ATCC 43587 / DSM 3638 / JCM 8422 / Vc1)) Explore P61998  Go to UniProtKB:  P61998

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 25 
• Conformers Submitted: 25 

Structure Validation

Entry History 

Deposition Data

• Released Date: 1996-08-17 
Deposition Author(s): Zhu, W., Zeng, Q., Colangelo, C.M., Lewis, L.M., Summers, M.F., Scott, R.A.

Revision History  

• Version 1.0: 1996-08-17
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-11-29
  Changes: Derived calculations, Other
• Version 1.4: 2024-05-01
  Changes: Data collection, Database references, Derived calculations