免疫原
Synthesized peptide derived from human protein . at AA range: 30-110
特异性
PAPP1 Polyclonal Antibody detects endogenous levels of protein.
组成（Formulation）
Liquid in PBS containing 50% glycerol, and 0.02% sodium azide.
稀释比例
WB 1:500-2000 ELISA 1:5000-20000
纯化工艺（Immunogen）
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
背景（Background）
This gene encodes a secreted metalloproteinase which cleaves insulin-like growth factor binding proteins (IGFBPs). It is thought to be involved in local proliferative processes such as wound healing and bone remodeling. Low plasma level of this protein has been suggested as a biochemical marker for pregnancies with aneuploid fetuses. [provided by RefSeq, Jul 2008],
功能
catalytic activity:Cleavage of the 135-Met-|-Lys-136 bond in insulin-like growth factor binding protein (IGFBP)-4, and the 143-Ser-|-Lys-144 bond in IGFBP-5.,cofactor:Binds 1 zinc ion per subunit.,developmental stage:Present in serum and placenta during pregnancy; levels increase throughout pregnancy.,enzyme regulation:Inhibited by complexation with the proform of PRG2.,function:Metalloproteinase which specifically cleaves IGFBP-4 and IGFBP-5, resulting in release of bound IGF. Cleavage of IGFBP-4 is dramatically enhanced by the presence of IGF, whereas cleavage of IGFBP-5 is slightly inhibited by the presence of IGF.,induction:By 8-bromoadenosine-3',5'-phosphate.,PTM:There appear to be no free sulfhydryl groups.,similarity:Belongs to the peptidase M43B family.,similarity:Contains 5 Sushi (CCP/SCR) domains.,subunit:Homodimer; disulfide-linked. In pregnancy serum, predominantly found as a
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