RTX domain block V of adenylate cyclase toxin with mutations D1533N, A1542N, D1560N, S1569N, D1587N, H1598N, H1608N. Determined by X-ray diffraction at 1.99 Å resolution. Released 24 Dec 2025.
Explore 9P6C in 3D Show helices and sheets RCSB PDB PDBe
9P6C contains 5 α-helices and 30 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 1527-1528 | 2 | 1 |
| β-strand | 1535-1537 | 3 | 2 |
| β-strand | 1544-1546 | 3 | 1 |
| β-strand | 1553-1555 | 3 | 2 |
| β-strand | 1562-1564 | 3 | 1 |
| β-strand | 1571-1573 | 3 | 2 |
| β-strand | 1580-1584 | 5 | 1 |
| β-strand | 1589-1593 | 5 | 2 |
| β-strand | 1598-1603 | 6 | 1 |
| β-strand | 1610-1614 | 5 | 2 |
| α-helix | 1617-1619 | 3 | |
| β-strand | 1620-1625 | 6 | 1 |
| β-strand | 1628-1633 | 6 | 1 |
| β-strand | 1639-1642 | 4 | 1 |
| α-helix | 1649-1651 | 3 | |
| β-strand | 1655-1657 | 3 | 2 |
| β-strand | 1662-1664 | 3 | 2 |
| α-helix | 1665-1677 | 13 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 1527-1528 | 2 | 3 |
| β-strand | 1535-1537 | 3 | 4 |
| β-strand | 1544-1546 | 3 | 3 |
| β-strand | 1553-1555 | 3 | 4 |
| β-strand | 1562-1564 | 3 | 3 |
| β-strand | 1571-1573 | 3 | 4 |
| β-strand | 1580-1584 | 5 | 3 |
| β-strand | 1589-1593 | 5 | 4 |
| β-strand | 1598-1603 | 6 | 3 |
| β-strand | 1610-1614 | 5 | 4 |
| β-strand | 1620-1625 | 6 | 3 |
| β-strand | 1628-1633 | 6 | 3 |
| β-strand | 1639-1642 | 4 | 3 |
| α-helix | 1649-1651 | 3 | |
| β-strand | 1655-1658 | 4 | 4 |
| β-strand | 1662-1664 | 3 | 4 |
| α-helix | 1665-1673 | 9 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Hemolysin | A, B | protein | 180 | Bordetella pertussis | P0DKX7 (AlphaFold model) |
>9P6C_1 Hemolysin (chains A, B) MRGSHHHHHHGSHMELGASGSARNDVLIGDAGNNVLNGLAGNDVLSGGAGNDVLLGDEGN DLLSGDAGNDDLFGGQGNDTYLFGVGYGNDTIYESGGGNDTIRINAGADQLWFARQGNDL EIRILGTDDALTVHDWYRDADHRVEIIHAANQAVDQAGIEKLVEAMAQYPDEFTSLEKLN
| ID | Name | Formula | Copies |
|---|---|---|---|
| CA | Calcium ion | Ca | 16 |
Repetitive proteins that undergo large conformational changes evade structural prediction algorithms. Chang, M.P., Jin, T., Gudinas, A.P. et al. J Chem Phys (2025) 163. DOI 10.1063/5.0304777 · PubMed
Other PDB entries of the same protein (UniProt P0DKX7 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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