PUBLICATION

M13 endopeptidases: New conserved motifs correlated with structure, and simultaneous phylogenetic occurrence of PHEX and the bony fish

Authors
Bianchetti, L., Oudet, C., and Poch, O.
ID
ZDB-PUB-020708-8
Date
2002
Source
Proteins   47(4): 481-488 (Journal)
Registered Authors
Keywords
sequence alignment; X-linked hypophosphatemic rickets; zebrafish; PTHrP(107-139)
MeSH Terms
  • Amino Acid Motifs
  • Amino Acid Sequence
  • Animals
  • Catalytic Domain
  • Conserved Sequence
  • Evolution, Molecular
  • Humans
  • Metalloendopeptidases/chemistry*
  • Metalloendopeptidases/genetics*
  • Models, Molecular
  • Molecular Sequence Data
  • Neprilysin/chemistry
  • Neprilysin/genetics
  • Parathyroid Hormone-Related Protein*
  • Peptide Fragments/chemistry
  • Peptide Fragments/genetics
  • Phylogeny*
  • Proteins/chemistry
  • Proteins/genetics
  • Sequence Alignment
  • Sequence Analysis, Protein
  • Zebrafish/genetics*
  • Zebrafish Proteins/chemistry
  • Zebrafish Proteins/genetics
PubMed
12001226 Full text @ Proteins
Abstract
M13 endopeptidase alignments have focused mainly on mammalian sequences and on the active site region defining the catalytic sequence signatures. Aligning all available M13 from bacteria to human on a full-length basis, we have performed a sequence analysis. This enabled us to highlight the origin and function of the M13 PHEX subtype family endopeptidase (phosphate regulating gene with homologies to endopeptidases on the X chromosome). New evolutionary conserved regions in both prokaryotes and eukaryotes have been detected and eukaryotic-specific regions clearly delineated. Using the recently solved neprilysin structure, we have observed that all new motifs, except one, localize in the spatial vicinity of the previously reported catalytic signatures. Interestingly, a highly hydrophobic pocket containing three newly reported motifs is centered by the C-terminal tryptophan residue. Extensive M13 searches in complete and in progress higher eukaryotic genomes have lead to the identification of Danio rerio as the simplest organism having PHEX. Finally, the human PHEX substrate, the parathyroid hormone-related peptide, PTHrP(107-139), is absent in bony fish: this suggests the existence of further PHEX substrates common to both bony fishes and higher vertebrates.
Genes / Markers
Figures
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping