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PAFAH1B1
Anti-PAFAH1B1 Recombinant Antibody Products
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For Research Use Only. Not For Clinical Use.
This locus was identified as encoding a gene that when mutated or lost caused the lissencephaly associated with Miller-Dieker lissencephaly syndrome. This gene encodes the non-catalytic alpha subunit of the intracellular Ib isoform of platelet-activating factor acteylhydrolase, a heterotrimeric enzyme that specifically catalyzes the removal of the acetyl group at the SN-2 position of platelet-activating factor (identified as 1-O-alkyl-2-acetyl-sn-glyceryl-3-phosphorylcholine). Two other isoforms of intracellular platelet-activating factor acetylhydrolase exist: one composed of multiple subunits, the other, a single subunit. In addition, a single-subunit isoform of this enzyme is found in serum.
Protein class
Disease related genes, Human disease related genes, Metabolic proteins, Plasma proteins
Predicted location
Intracellular
Single cell type specificity
Group enriched (Late spermatids, Early spermatids)
Immune cell specificity
Low immune cell specificity
Cell line specificity
Low cell line specificity
Interaction
Component of the cytosolic PAF-AH (I) heterotetrameric enzyme, which is composed of PAFAH1B1 (beta), PAFAH1B2 (alpha2) and PAFAH1B3 (alpha1) subunits. The catalytic activity of the enzyme resides in the alpha1 (PAFAH1B3) and alpha2 (PAFAH1B2) subunits, whereas the beta subunit (PAFAH1B1) has regulatory activity. Trimer formation is not essential for the catalytic activity. Interacts with the catalytic dimer of PAF-AH (I) heterotetrameric enzyme: interacts with PAFAH1B2 homodimer (alpha2/alpha2 homodimer), PAFAH1B3 homodimer (alpha1/alpha1 homodimer) and PAFAH1B2-PAFAH1B3 heterodimer (alpha2/alpha1 heterodimer) (By similarity). Interacts with IQGAP1, KATNB1 and NUDC. Interacts with DAB1 when DAB1 is phosphorylated in response to RELN/reelin signaling (By similarity). Can self-associate. Interacts with DCX, dynein, dynactin, NDE1, NDEL1 and RSN. Interacts with DISC1, and this interaction is enhanced by NDEL1. Interacts with INTS13. Interacts with DCDC1 (PubMed:22159412).
Molecular function
Developmental protein
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