Gene/Protein
Disease
Symptom
Drug
Enzyme
Compound
Pivot Concepts:
Gene/Protein
Disease
Symptom
Drug
Enzyme
Compound
Target Concepts:
Gene/Protein
Disease
Symptom
Drug
Enzyme
Compound
Query: EC:3.1.30.2 (
endonuclease
)
18,621
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
An
endonuclease
named DNase gamma was purified to apparent homogeneity from rat splenocyte nuclei and its properties were characterized. We also determined the NH2-terminal and partial amino acid sequences of the proteolytic internal peptides. The molecular mass of gamma DNase was 33,000 daltons as determined by SDS-polyacrylamide gel electrophoresis. A native molecular mass of 30,000 was estimated by gel filtration. Purified DNase gamma is active in the presence of both Ca2+ and Mg2+ or Mn2+ alone and inhibited by Co2+, Ni2+, Cu2+, and especially Zn2+. Maximal activity was achieved at pH 7.2 in Mops-NaOH buffer. The sequence data on the NH2-terminal and seven internal peptides obtained by sequential digestions with Achromobacter protease I and
endoproteinase Asp-N
revealed that DNase gamma is a novel
endonuclease
that shows sequence homology with DNase I.
...
PMID:Purification, characterization, and amino acid sequencing of DNase gamma from rat spleen. 932 79