ANTH domain
| ANTH domain | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Clathrin assembly lymphoid myeloid leukemia (CALM) protein
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| Identifiers | |||||||||
| Symbol | ANTH | ||||||||
| Pfam | PF07651 | ||||||||
| InterPro | IPR011417 | ||||||||
| OPM superfamily | 39 | ||||||||
| OPM protein | 1hfa | ||||||||
| CDD | cd03564 | ||||||||
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| Available protein structures: | |
|---|---|
| Pfam | structures |
| PDB | RCSB PDB; PDBe; PDBj |
| PDBsum | structure summary |
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.
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