PAFAH1B1
Template:Short description Template:Cs1 config Template:Infobox gene Platelet-activating factor acetylhydrolase IB subunit alpha or Lisencephaly protein-1 (LIS-1) is an enzyme that in humans is encoded by the PAFAH1B1 gene.[1][2][3] The protein plays an important role in regulating the motor protein dynein.[4]
Function
PAFAH1B1 was identified as encoding a gene that when mutated or lost caused the lissencephaly associated with Miller–Dieker syndrome. PAFAH1B1 encodes the non-catalytic alpha subunit of the intracellular Ib isoform of platelet-activating factor acetylhydrolase, 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.[3]
According to one study, PAFAH1B1 interacts with VLDL receptor activated by reelin.[5]
Genomics
The gene is located at chromosome 17p13.3 on the Watson (plus) strand. The gene is 91,953 bases in length and encodes a protein of 410 amino acids (predicted molecular weight 46.638 kilodaltons).
Interactions
PAFAH1B1 has been shown to interact with DYNC1H1,[6] CLIP1,[7] NDEL1,[8][9] NDE1,[10] PAFAH1B3,[11] PAFAH1B2,[11] NUDC,[12] TUBA1A[13] and Doublecortin.[14]
See also
References
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Further reading
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