CYP27B1 Antibody (C-term)
Purified Rabbit Polyclonal Antibody (Pab)
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Application ![]()
| WB, IHC-P, FC, E |
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Primary Accession | O15528 |
Reactivity | Human, Rat, Mouse |
Predicted | Mouse |
Host | Rabbit |
Clonality | Polyclonal |
Isotype | Rabbit IgG |
Calculated MW | 56504 Da |
Antigen Region | 482-508 aa |
Gene ID | 1594 |
---|---|
Other Names | 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial, 25-OHD-1 alpha-hydroxylase, 25-hydroxyvitamin D(3) 1-alpha-hydroxylase, VD3 1A hydroxylase, Calcidiol 1-monooxygenase, Cytochrome P450 subfamily XXVIIB polypeptide 1, Cytochrome P450C1 alpha, Cytochrome P450VD1-alpha, Cytochrome p450 27B1, CYP27B1, CYP1ALPHA, CYP27B |
Target/Specificity | This CYP27B1 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 482-508 amino acids from the C-terminal region of human CYP27B1. |
Dilution | WB~~1:2000 IHC-P~~N/A FC~~1:10~50 E~~Use at an assay dependent concentration. |
Format | Purified polyclonal antibody supplied in PBS with 0.05% (V/V) Proclin 300. This antibody is purified through a protein A column, followed by peptide affinity purification. |
Storage | Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles. |
Precautions | CYP27B1 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures. |
Name | CYP27B1 |
---|---|
Synonyms | CYP1ALPHA, CYP27B |
Function | A cytochrome P450 monooxygenase involved in vitamin D metabolism and in calcium and phosphorus homeostasis. Catalyzes the rate-limiting step in the activation of vitamin D in the kidney, namely the hydroxylation of 25-hydroxyvitamin D3/calcidiol at the C1alpha- position to form the hormonally active form of vitamin D3, 1alpha,25- dihydroxyvitamin D3/calcitriol that acts via the vitamin D receptor (VDR) (PubMed:10518789, PubMed:10566658, PubMed:12050193, PubMed:22862690, PubMed:9486994). Has 1alpha-hydroxylase activity on vitamin D intermediates of the CYP24A1-mediated inactivation pathway (PubMed:10518789, PubMed:22862690). Converts 24R,25-dihydroxyvitamin D3/secalciferol to 1-alpha,24,25-trihydroxyvitamin D3, an active ligand of VDR. Also active on 25-hydroxyvitamin D2 (PubMed:10518789). Mechanistically, uses molecular oxygen inserting one oxygen atom into a substrate, and reducing the second into a water molecule, with two electrons provided by NADPH via FDXR/adrenodoxin reductase and FDX1/adrenodoxin (PubMed:22862690). |
Cellular Location | Mitochondrion membrane. |
Tissue Location | Kidney. |
For Research Use Only. Not For Use In Diagnostic Procedures.

Provided below are standard protocols that you may find useful for product applications.
BACKGROUND
CYP27B1 is a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. The protein encoded by this gene localizes to the inner mitochondrial membrane where it hydroxylates 25-hydroxyvitamin D3 at the 1alpha position. This reaction synthesizes 1alpha,25-dihydroxyvitamin D3, the active form of vitamin D3, which binds to the vitamin D receptor and regulates calcium metabolism. Thus this enzyme regulates the level of biologically active vitamin D and plays an important role in calcium homeostasis. Mutations in this gene can result in vitamin D-dependent rickets type I.
REFERENCES
Simon,K.C., et.al., Mult. Scler. 16 (2), 133-138 (2010)
Zhou,S., et.al., Endocrinology 151 (1), 14-22 (2010)

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