Background:

Mitochondrial polyribonucleotide nucleotidyltransferase, also designated 3'-5' RNA exonuclease, OLD35, PNPase or PNPT1, is an evolutionaly conserved protein in which the mouse protein shares 90% identity with the human version. PNPase participates in mRNA degradation and hydrolyzes single-stranded ribonucleotides in the 3' to 5' direction. PNPase forms homotrimers and is upregulated in response to interferon-β induction. The N-terminus of PNPase contains a putative mitochondrial targeting sequence; mutation analysis confirms that N-terminal sequences of PNPase target the protein to the mitochondria. Endogenous PNPase also co-localizes with a mitochondrial marker protein in HeLa cells.

Specificity:

PNPT1 polyclonal antibody detects endogenous levels of PNPT1 protein.

Alternative names:

Polyribonucleotide nucleotidyltransferase 1, mitochondrial; 3'-5' RNA exonuclease OLD35; PNPase old-35; Polynucleotide phosphorylase 1; PNPase 1; Polynucleotide phosphorylase-like protein; PNPT1; PNPASE

Species reactivity:

Human,Rat,Mouse

Host:

Rabbit

Ig type:

Rabbit IgG, 1mg/ml in PBS with 0.02% sodium azide, 50% glycerol, pH7.4.

Immunogen:

Synthetic peptide, corresponding to Human PNPT1.

Purification & Purity:

The protein was purified from E.coli and the purity is > 95% (by SDS-PAGE).

Molecular weight:

~ 88 kDa

Applications:

WB IHC

Usage:

WB: 1:500~1000

Storage:

Store at 4°C short term. Aliquot and store at -24°C long term. Avoid freeze-thaw cycles.

Precautions:

For research use only, not for use in diagnostic procedure.

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