GGDEF domain is homologous to adenylyl cyclase

Jimin Pei, Nick V. Grishin

Research output: Contribution to journalArticle

108 Citations (Scopus)

Abstract

The GGDEF domain is detected in many prokaryotic proteins, most of which are of unknown function. Several bacteria carry 12-22 different GGDEF homologues in their genomes. Conducting extensive profile-based searches, we detect statistically supported sequence similarity between GGDEF domain and adenylyl cyclase catalytic domain. From this homology, we deduce that the prokaryotic GGDEF domain is a regulatory enzyme involved in nucleotide cyclization, with the fold similar to that of the eukaryotic cyclase catalytic domain. This prediction correlates with the functional information available on two GGDEF-containing proteins, namely diguanylate cyclase and phosphodiesterase A of Acetobacter xylinum, both of which regulate the turnover of cyclic diguanosine monophosphate. Domain architecture analysis shows that GGDEF is typically present in multidomain proteins containing regulatory domains of signaling pathways or protein-protein interaction modules. Evolutionary tree analysis indicates that GGDEF/cyclase superfamily forms a large diversified cluster of orthologous proteins present in bacteria, archaea, and eukaryotes.

Original languageEnglish (US)
Pages (from-to)210-216
Number of pages7
JournalProteins: Structure, Function and Genetics
Volume42
Issue number2
DOIs
StatePublished - Feb 1 2001

Fingerprint

Adenylyl Cyclases
Proteins
Catalytic Domain
Bacteria
Gluconacetobacter xylinus
Acetobacter
Cyclization
Archaea
Phosphoric Diester Hydrolases
Eukaryota
Nucleotides
Genes
Genome
Enzymes

Keywords

  • Bacterial signaling pathways
  • Diguanylate cyclase
  • Domain architecture
  • Ferredoxin fold
  • Structure prediction

ASJC Scopus subject areas

  • Genetics
  • Structural Biology
  • Biochemistry

Cite this

GGDEF domain is homologous to adenylyl cyclase. / Pei, Jimin; Grishin, Nick V.

In: Proteins: Structure, Function and Genetics, Vol. 42, No. 2, 01.02.2001, p. 210-216.

Research output: Contribution to journalArticle

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