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NameTransmembrane prolyl 4-hydroxylase
Synonyms
  • 1.14.11.-
  • HIF-PH4
  • HIF-prolyl hydroxylase 4
  • HPH-4
  • Hypoxia-inducible factor prolyl hydroxylase 4
  • P4H-TM
  • PH4
Gene NameP4HTM
OrganismHuman
Amino acid sequence
>lcl|BSEQ0004363|Transmembrane prolyl 4-hydroxylase
MAAAAVTGQRPETAAAEEASRPQWAPPDHCQAQAAAGLGDGEDAPVRPLCKPRGICSRAY
FLVLMVFVHLYLGNVLALLLFVHYSNGDESSDPGPQHRAQGPGPEPTLGPLTRLEGIKVG
HERKVQLVTDRDHFIRTLSLKPLLFEIPGFLTDEECRLIIHLAQMKGLQRSQILPTEEYE
EAMSTMQVSQLDLFRLLDQNRDGHLQLREVLAQTRLGNGWWMTPESIQEMYAAIKADPDG
DGVLSLQEFSNMDLRDFHKYMRSHKAESSELVRNSHHTWLYQGEGAHHIMRAIRQRVLRL
TRLSPEIVELSEPLQVVRYGEGGHYHAHVDSGPVYPETICSHTKLVANESVPFETSCRYM
TVLFYLNNVTGGGETVFPVADNRTYDEMSLIQDDVDLRDTRRHCDKGNLRVKPQQGTAVF
WYNYLPDGQGWVGDVDDYSLHGGCLVTRGTKWIANNWINVDPSRARQALFQQEMARLARE
GGTDSQPEWALDRAYRDARVEL
Number of residues502
Molecular Weight56660.535
Theoretical pI5.99
GO Classification
Functions
  • L-ascorbic acid binding
  • iron ion binding
  • oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, 2-oxoglutarate as one donor, and incorporation of one atom each of oxygen into both donors
Processes
  • regulation of erythrocyte differentiation
Components
  • endoplasmic reticulum membrane
  • integral component of membrane
General FunctionOxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, 2-oxoglutarate as one donor, and incorporation of one atom each of oxygen into both donors
Specific FunctionCatalyzes 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.
Pfam Domain Function
Transmembrane Regions61-81
GenBank Protein ID28566186
UniProtKB IDQ9NXG6
UniProtKB Entry NameP4HTM_HUMAN
Cellular LocationEndoplasmic reticulum membrane
Gene sequence
>lcl|BSEQ0011604|Transmembrane prolyl 4-hydroxylase (P4HTM)
ATGGCGGCAGCGGCGGTGACAGGCCAGCGGCCTGAGACCGCGGCGGCCGAGGAGGCCTCG
AGGCCGCAGTGGGCGCCGCCAGACCACTGCCAGGCTCAGGCGGCGGCCGGGCTGGGCGAC
GGCGAGGACGCACCGGTGCGTCCGCTGTGCAAGCCCCGCGGCATCTGCTCGCGCGCCTAC
TTCCTGGTGCTGATGGTGTTCGTGCACCTGTACCTGGGTAACGTGCTGGCGCTGCTGCTC
TTCGTGCACTACAGCAACGGCGACGAAAGCAGCGATCCCGGGCCCCAACACCGTGCCCAG
GGCCCCGGGCCCGAGCCCACCTTAGGTCCCCTCACCCGGCTGGAGGGCATCAAGGTGGGG
CACGAGCGTAAGGTCCAGCTGGTCACCGACAGGGATCACTTCATCCGAACCCTCAGCCTC
AAGCCGCTGCTCTTCGAAATCCCCGGCTTCCTGACTGATGAAGAGTGTCGGCTCATCATC
CATCTGGCGCAGATGAAGGGGTTACAGCGCAGCCAGATCCTGCCTACTGAAGAGTATGAA
GAGGCAATGAGCACTATGCAGGTCAGCCAGCTGGACCTCTTCCGGCTGCTGGACCAGAAC
CGTGATGGGCACCTTCAGCTCCGTGAGGTTCTGGCCCAGACTCGCCTGGGAAATGGATGG
TGGATGACTCCAGAGAGCATTCAGGAGATGTACGCCGCGATCAAGGCTGACCCTGATGGT
GACGGAGTGCTGAGTCTGCAGGAGTTCTCCAACATGGACCTTCGGGACTTCCACAAGTAC
ATGAGGAGCCACAAGGCAGAGTCCAGTGAGCTGGTGCGGAACAGCCACCATACCTGGCTC
TACCAGGGTGAGGGTGCCCACCACATCATGCGTGCCATCCGCCAGAGGGTGCTGCGCCTC
ACTCGCCTGTCGCCTGAGATCGTGGAGCTCAGCGAGCCGCTGCAGGTTGTTCGATATGGT
GAGGGGGGCCACTACCATGCCCACGTGGACAGTGGGCCTGTGTACCCAGAGACCATCTGC
TCCCATACCAAGCTGGTAGCCAACGAGTCTGTACCCTTCGAGACCTCCTGCCGGCAAGTA
TCTCCCAACTGGGGGCTGCCTTCAATCCTCAGACCAGGAACACCCATGACACAGGCACAG
CCCTGCACTGTGGGCGTGCCCCTTGGCATGGGGCCAGGAGATCACTGGGTTATCCCGGTA
AGCCCCTGGGAGCATCCACAACTGGGGACCTGCTCAGTGCCCCCCCTGCCTTACAGCTAC
ATGACAGTGCTGTTTTATTTGAACAACGTCACTGGTGGGGGCGAGACTGTTTTCCCTGTA
GCAGATAACAGAACCTACGATGAAATGAGTCTGATTCAGGATGACGTGGACCTCCGTGAC
ACACGGAGGCACTGTGACAAGGGAAACCTGCGTGTCAAGCCCCAACAGGGCACAGCAGTC
TTCTGGTACAACTACCTGCCTGATGGGCAAGGTTGGGTGGGTGACGTAGACGACTACTCG
CTGCACGGGGGCTGCCTGGTCACGCGCGGCACCAAGTGGATTGCCAACAACTGGATTAAT
GTGGACCCCAGCCGAGCGCGGCAAGCGCTGTTCCAACAGGAGATGGCCCGCCTTGCCCGA
GAAGGGGGCACCGACTCACAGCCCGAGTGGGCTCTGGACCGGGCCTACCGCGATGCGCGC
GTGGAACTCTGA
GenBank Gene IDAY198406
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:28858
Chromosome Location3
LocusNot Available
References
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  2. Bechtel S, Rosenfelder H, Duda A, Schmidt CP, Ernst U, Wellenreuther R, Mehrle A, Schuster C, Bahr A, Blocker H, Heubner D, Hoerlein A, Michel G, Wedler H, Kohrer K, Ottenwalder B, Poustka A, Wiemann S, Schupp I: The full-ORF clone resource of the German cDNA Consortium. BMC Genomics. 2007 Oct 31;8:399. 17974005
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  5. Koivunen P, Tiainen P, Hyvarinen J, Williams KE, Sormunen R, Klaus SJ, Kivirikko KI, Myllyharju J: An endoplasmic reticulum transmembrane prolyl 4-hydroxylase is induced by hypoxia and acts on hypoxia-inducible factor alpha. J Biol Chem. 2007 Oct 19;282(42):30544-52. Epub 2007 Aug 27. 17726031