Expression, purification, crystallization and preliminary X-ray analysis of a DNA-binding protein from Methanococcus jannaschii

Ganggang Wang, Rong Guo, Mark Bartlam, Hong Xue, Haitao Yang, Yiwei Liu, Li Huang, Zihe Rao*

*Corresponding author for this work

Research output: Contribution to journalJournal Articlepeer-review

2 Citations (Scopus)

Abstract

A small DNA-binding protein of 87 amino-acid residues from the hyperthermophilic archaeon Methanococcus jannaschii (Mja10b) was cloned and overexpressed in Escherichia coli. The protein was crystallized and the crystals belong to the space group P6122/P6522, with unit-cell parameters a = b = 50.85, c = 124.02 Å, α = β = 90, γ = 120°. The crystals diffracted to a maximum resolution of 2.2 Å at 100 K using Cu Kα radiation. The presence of one molecule per asymmetric unit gives a crystal volume per protein mass (VM) of 2.4 Å3 Da-1 and a solvent content of 49% by volume. A full set of X-ray diffraction data was collected to 2.2 Å from the native crystal.

Original languageEnglish
Pages (from-to)1240-1242
Number of pages3
JournalActa Crystallographica Section D: Biological Crystallography
Volume58
Issue number7
DOIs
Publication statusPublished - 2002
Externally publishedYes

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