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PH4 / P4HTM

prolyl 4-hydroxylase, transmembrane (endoplasmic reticulum)

Catalyzes the post-translational formation of 4-hydroxyproline in hypoxia-inducible factor (HIF) alpha proteins. Hydroxylates HIF1A at 'Pro-402' and 'Pro-564'. May function as a cellular oxygen sensor and, under normoxic conditions, may target HIF through the hydroxylation for proteasomal degradation via the von Hippel-Lindau ubiquitination complex.

Gene Name: prolyl 4-hydroxylase, transmembrane (endoplasmic reticulum)
Synonyms: P4HTM, EGLN4, HIF-PH4, HIF-prolyl hydroxylase 4, p4H with transmembrane domain, PH-4, p4H-TM, HIFPH4, HPH-4, p4HTM, PH4, PHD4, Proline 4-hydroxylase
Target Sequences: NM_017732 Q9NXG6 Q9NXG6

Publications (1)

1
Prolyl hydroxylases 2 and 3 act in gliomas as protective negative feedback regulators of hypoxia-inducible factors. Henze AT, Riedel J, Diem T, Wenner J, Flamme I, Pouyseggur J, Plate KH, Acker T. Cancer research. 2010 70:357-66. [PubMed:20028863]

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Proteins (4)
Over-Expression Lysate (2)
Recombinant (2)
PH4 / P4HTM (4)
No (4)
GST (1)
His-SUMO (1)
Myc-DDK (Flag) (2)
Human (3)
293T Cells (1)
E. coli (1)
HEK 293 Cells (1)
Wheat Germ Extract (1)
Purified (1)
PH4 / P4HTM Protein
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E. coli
His-SUMO
70.51 kD
1 mg/$1,355; 100 µg/$420; 20 µg/$323
PH4 / P4HTM Protein - 12.5% SDS-PAGE of human P4HTM stained with Coomassie Blue
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Wheat Germ Extract
GST
89.5 kDa
10 µg/$479; 25 µg/$670
PH4 / P4HTM Protein - Western validation with an anti-DDK antibody * L: Control HEK293 lysate R: Over-expression lysate
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293T Cells
Myc-DDK (Flag)
56.5 kDa
20 µg/$215
PH4 / P4HTM Protein - Western validation with an anti-DDK antibody * L: Control HEK293 lysate R: Over-expression lysate
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HEK 293 Cells
Myc-DDK (Flag)
56.5 kDa
100 µg/$710
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The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).