Kalpana Kalpana

ANTH domain

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Symbol  ANTH
InterPro  IPR011417
OPM protein  1hfa
Pfam  PF07651
OPM superfamily  39
CDD  cd03564
ANTH domain

The ANTH domain is a membrane binding domain that shows weak specificity for PtdIns(4,5)P2. It was found in AP180 (a.k.a. CALM) endocytotic accessory protein that has been implicated in the formation of clathrin-coated pits. The domain is involved in phosphatidylinositol 4,5-bisphosphate binding and is a universal adaptor for nucleation of clathrin coats.

Its structure is a solenoid of 9 helices. The PtdIns(4,5)P2 binding residues are spread over several helices at the tip of the structure. The PtdIns(4,5)P2 binding sequence is Kx9Kx(K/R)(H/Y).

An ANTH domain is also found in HIP1 and HIP1R, and the PtdIns(4,5)P2 binding sequence is conserved. More information is found on endocytosis.org.

Human proteins containing this domain

HIP1; HIP1R; PICALM; SNAP91;

References

ANTH domain Wikipedia


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