A 1.5 A Resolution X-Ray Structure of the Catalytic Module of Caldicellulosiruptor bescii Family 3 Pectate Lyase

Markus Alahuhta, Puja Chandrayan, Irina Kataeva, Michael W.W. Adams, Michael E. Himmel, Vladimir V. Lunin

Research output: Contribution to journalArticlepeer-review

12 Scopus Citations

Abstract

A 1.5 Å resolution X-ray structure of the catalytic module of Caldicellulosi-ruptor bescii family 3 pectate lyase is reported (PDB entry 3t9g). The resulting structure was refined to an R factor of 0.143 and an R free of 0.178. Structural analysis shows that this new structure is very similar to the previously solved structure of a family 3 pectate lyase from Bacillus sp. strain KSM-P15 (PDB entry 1ee6), with a root-mean-square deviation of 0.93 Å and a sequence identity of 53%. This structural similarity is significant considering that C. bescii is a hyperthermophile and Bacillus sp. is a mesophile.

Original languageAmerican English
Pages (from-to)1498-1500
Number of pages3
JournalActa Crystallographica Section F: Structural Biology and Crystallization Communications
Volume67
Issue number12
DOIs
StatePublished - Dec 2011

NREL Publication Number

  • NREL/JA-2700-52570

Keywords

  • Caldicellulosiruptor bescii
  • pectate lyases
  • PL3

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