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|Tested species reactivity||Human, Rat|
|Host / Isotype||Rabbit / IgG|
|Immunogen||The epitope recognized by this antibody maps to a region between residue 450 and the C-terminus (residue 502) of human PHD4/HIF Prolyl Hydroxylase 4 using the numbering given in entry NP_8088081 (GeneID 54681)|
|Purification||Antigen affinity chromatography|
|Storage buffer||tris citrate, pH 7-8|
|Contains||0.1% sodium azide|
|Storage Conditions||4° C, do not freeze|
|Tested Applications||Dilution *|
|Immunohistochemistry (Paraffin) (IHC (P))||Assay-Dependent|
|Western Blot (WB)||1:500-1:2500|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
This antibody does not react with mouse samples.
Suggested positive control: antigen standard for PH (transient overexpression lysate), HeLa and human glioblastoma cell lysates.
Prolyl hydroxylase 4 is a prolyl hydroxylase that modifies HIF-alpha. Classic prolyl hydroxylases are found in the endoplasmic reticulum and modify collagen, whereas HIF is an intracellular protein and the prolyl hydroxylase sites do not resemble those modifying collagen. HIF is a transcriptional complex that plays a critical role in oxygen homeostasis. Prolyl hydroxylase is an essential component of the pathway through which cells sense oxygen. In the presence of oxygen, prolyl hydroxylases convert specific prolyl residues in HIF-alpha to hydroxyproline, leading to HIF-alpha destruction. Low oxygen levels, sensed at the cellular level, cause the HIF conversion to be reduced so that HIF is stable and there is increased angiogenesis. Prolyl hydroxylase 4, specifically, catalyzes the posttranslational formation of 4-hydroxyproline in HIF alpha proteins. It may function as a cellular oxygen sensor and, under normoxic conditions, may targets HIF through the hydroxylation for proteasomal degradation via the von Hippel-Lindau ubiquitylation complex.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
EGLN4; HIF Prolyl Hydroxylase 4; HIF-PH4; HIF-prolyl hydroxylase 4; HPH-4; hypoxia inducible factor prolyl 4 hydroxylase; hypoxia-inducible factor prolyl 4-hydroxylase; hypoxia-inducible factor prolyl hydroxylase 4; P4H with transmembrane domain; proline 4-hydroxylase; prolyl 4-hydroxylase, transmembrane (endoplasmic reticulum); Prolyl hydroxlase domain-containing 4
EGLN4; HIFPH4; P4H-TM; P4HTM; PH-4; PH4; PHD4