PAFAH1B1

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Lua error in Module:Infobox_gene at line 33: attempt to index field 'wikibase' (a nil value). Platelet-activating factor acetylhydrolase IB subunit alpha is an enzyme that in humans is encoded by the PAFAH1B1 gene.[1][2][3] The protein is often referred to as Lis1 and 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 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.[3]

According to one study, PAFAH1B1 interacts with VLDLR 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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External links

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