ID:P3H1_HUMAN DESCRIPTION: RecName: Full=Prolyl 3-hydroxylase 1; EC=1.14.11.7; AltName: Full=Growth suppressor 1; AltName: Full=Leucine- and proline-enriched proteoglycan 1; Short=Leprecan-1; Flags: Precursor; FUNCTION: Basement membrane-associated chondroitin sulfate proteoglycan (CSPG). Has prolyl 3-hydroxylase activity catalyzing the post-translational formation of 3-hydroxyproline in -Xaa-Pro- Gly- sequences in collagens, especially types IV and V. May be involved in the secretory pathway of cells. Has growth suppressive activity in fibroblasts. CATALYTIC ACTIVITY: L-proline-[procollagen] + 2-oxoglutarate + O(2) = trans-3-hydroxy-L-proline-[procollagen] + succinate + CO(2). COFACTOR: Iron (By similarity). COFACTOR: Ascorbate (By similarity). SUBCELLULAR LOCATION: Endoplasmic reticulum (By similarity). Secreted, extracellular space, extracellular matrix (By similarity). Note=Secreted into the extracellular matrix as a chondroitin sulfate proteoglycan (CSPG). PTM: O-glycosylated; chondroitin sulfate (By similarity). DISEASE: Defects in LEPRE1 are the cause of osteogenesis imperfecta type 8 (OI8) [MIM:610915]. A connective tissue disorder characterized by disproportionate short stature, severe osteoporosis, shortening of the long bones, white sclerae, a round face and a short barrel-shaped chest. SIMILARITY: Belongs to the leprecan family. SIMILARITY: Contains 1 Fe2OG dioxygenase domain. SIMILARITY: Contains 4 TPR repeats. SEQUENCE CAUTION: Sequence=AAH15309.2; Type=Erroneous initiation; Note=Translation N-terminally shortened; Sequence=AAI08312.1; Type=Miscellaneous discrepancy; Note=Intron retention; Sequence=BAB15256.1; Type=Erroneous initiation; Note=Translation N-terminally extended; WEB RESOURCE: Name=GeneReviews; URL="http://www.ncbi.nlm.nih.gov/sites/GeneTests/lab/gene/LEPRE1"; WEB RESOURCE: Name=Osteogenesis imperfecta variant database; Note=Prolyl 3-hydroxylase 1 (LEPRE1); URL="http://oi.gene.le.ac.uk/home.php?select_db=LEPRE1";
The RNAfold program from the Vienna RNA Package is used to perform the secondary structure predictions and folding calculations. The estimated folding energy is in kcal/mol. The more negative the energy, the more secondary structure the RNA is likely to have.
SCOP Domains: 48439 - Protein prenylyltransferase 48452 - TPR-like
ModBase Predicted Comparative 3D Structure on Q32P28
Front
Top
Side
The pictures above may be empty if there is no ModBase structure for the protein. The ModBase structure frequently covers just a fragment of the protein. You may be asked to log onto ModBase the first time you click on the pictures. It is simplest after logging in to just click on the picture again to get to the specific info on that model.
Orthologous Genes in Other Species
Orthologies between human, mouse, and rat are computed by taking the best BLASTP hit, and filtering out non-syntenic hits. For more distant species reciprocal-best BLASTP hits are used. Note that the absence of an ortholog in the table below may reflect incomplete annotations in the other species rather than a true absence of the orthologous gene.
Gene Ontology (GO) Annotations with Structured Vocabulary
Molecular Function: GO:0003674 molecular_function GO:0005506 iron ion binding GO:0016491 oxidoreductase activity GO:0016705 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen GO:0019797 procollagen-proline 3-dioxygenase activity GO:0031418 L-ascorbic acid binding GO:0044877 macromolecular complex binding GO:0046872 metal ion binding GO:0051213 dioxygenase activity GO:0005518 collagen binding
Biological Process: GO:0006457 protein folding GO:0008285 negative regulation of cell proliferation GO:0010976 positive regulation of neuron projection development GO:0018126 protein hydroxylation GO:0019511 peptidyl-proline hydroxylation GO:0032963 collagen metabolic process GO:0050708 regulation of protein secretion GO:0050821 protein stabilization GO:0055114 oxidation-reduction process GO:0060348 bone development GO:0061077 chaperone-mediated protein folding GO:1901874 negative regulation of post-translational protein modification