ISDA: 1NSW

Deposition Date 2003-01-28

Release Date 2003-08-05

Last Version Date 2024-10-30

Entry Detail

PDB ID:

1NSW

Keywords:

ELECTRON TRANSPORT

Title:

The Crystal Structure of the K18G Mutant of the thioredoxin from Alicyclobacillus acidocaldarius

Biological Source:

Source Organism:

Alicyclobacillus acidocaldarius (Taxon ID: 405212)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.90 Å

R-Value Free:

0.24

R-Value Work:

0.20

R-Value Observed:

0.23

Space Group:

P 1 21 1

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Macromolecular Entities

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:THIOREDOXIN
Gene (Uniprot):trxA
Mutagens:K18G
Chain IDs:A, B, C, D
Chain Length:105
Number of Molecules:4
Biological Source:Alicyclobacillus acidocaldarius

UniProt ID:P80579 Pfam ID:PF00085

Primary Citation

An integrated structural and computational study of the thermostability of two thioredoxin mutants from Alicyclobacillus acidocaldarius

Bartolucci, S, De Simone, G, Galdiero, S, Improta, R, Menchise, V, Pedone, C, Pedone, E, Saviano, M, Pedone, E, Cannio, R, Saviano, M, Rossi, M, Bartolucci, S.Show

J.Bacteriol. 185 4285 4289 (2003)

PMID: 12837806 DOI: 10.1128/JB.185.14.4285-4289.2003

Abstact

We report a crystallographic and computational analysis of two mutant forms of the Alicyclobacillus acidocaldarius thioredoxin (BacTrx) done in order to evaluate the contribution of two specific amino acids to the thermostability of BacTrx. Our results suggest that the thermostability of BacTrx may be modulated by mutations affecting the overall electrostatic energy of the protein.

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