| Description | Tetrabrachion is a surface layer glycoprotein from the hyperthermophilic archaebacterium Staphylothermus marinus [ ]. The tetrabrachion protein complex consists of four identical subunits that form an α-helical coiled coil stalk anchored to the cell membrane that branches into four arms. Two molecules of the subtilisin-like protease STABLE are noncovalently bound near the centre of the stalk. This entry represents the protease binding region of the tetrabrachion complex, for which a right-handed coiled coil structure has been proposed. The parallel right-handed coiled-coil tetramer is stabilized by a complex pattern of complementary hydrophobic interactions between neighbouring helices []. | Name | Tetrabrachion, parallel right-handed coiled coil domain |
| Short Name | Tetrabrachion_parallel_CC | Type | Homologous_superfamily |
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