Anthrax toxin lethal factor with ligand-induced binding pocket. Determined by X-ray diffraction at 2.35 Å resolution. Released 11 Nov 2015.
Explore 4XM6 in 3D Show helices and sheets RCSB PDB PDBe
4XM6 contains 28 α-helices and 18 β-strands across 1 chain. 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 |
|---|---|---|---|
| α-helix | 267-283 | 17 | |
| α-helix | 287-297 | 11 | |
| β-strand | 300 | 1 | 1 |
| α-helix | 301-303 | 3 | |
| α-helix | 304-310 | 7 | |
| α-helix | 313-321 | 9 | |
| α-helix | 332-342 | 11 | |
| α-helix | 370-379 | 10 | |
| α-helix | 380-382 | 3 | |
| β-strand | 386 | 1 | 1 |
| α-helix | 388-395 | 8 | |
| α-helix | 406-422 | 17 | |
| β-strand | 426 | 1 | 2 |
| β-strand | 437-441 | 5 | 3 |
| α-helix | 443-445 | 3 | |
| α-helix | 448-452 | 5 | |
| β-strand | 455 | 1 | 4 |
| β-strand | 463 | 1 | 4 |
| α-helix | 465-473 | 9 | |
| β-strand | 477-480 | 4 | 3 |
| β-strand | 485-487 | 3 | 3 |
| β-strand | 499-504 | 6 | 3 |
| β-strand | 510 | 1 | 2 |
| β-strand | 511-514 | 4 | 3 |
| β-strand | 518-521 | 4 | 3 |
| α-helix | 522 | 1 | |
| β-strand | 525-536 | 12 | 3 |
| β-strand | 541-550 | 10 | 3 |
| α-helix | 552-573 | 22 | |
| β-strand | 583-586 | 4 | 5 |
| α-helix | 592-609 | 18 | |
| α-helix | 612-624 | 13 | |
| β-strand | 629-632 | 4 | 5 |
| α-helix | 636-638 | 3 | |
| α-helix | 640-643 | 4 | |
| α-helix | 649-651 | 3 | |
| β-strand | 657-660 | 4 | 5 |
| α-helix | 661-663 | 3 | |
| β-strand | 665-669 | 5 | 5 |
| α-helix | 680-700 | 21 | |
| α-helix | 708-710 | 3 | |
| α-helix | 712-721 | 10 | |
| α-helix | 727-730 | 4 | |
| α-helix | 733-743 | 11 | |
| α-helix | 749-758 | 10 | |
| α-helix | 760-774 | 15 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Lethal factor | A | protein | 519 | Bacillus anthracis | P15917 (AlphaFold model) |
>4XM6_1 Lethal factor (chains A) SNALSRYEKWEKIKQHYQHWSDSLSEEGRGLLKKLQIPIEPKKDDIIHSLSQEEKELLKR IQIDSSDFLSTEEKEFLKKLQIDIRDSLSEEEKELLNRIQVDSSNPLSEKEKEFLKKLKL DIQPYDINQRLQDTGGLIDSPSINLDVRKQYKRDIQNIDALLHQSIGSTLYNKIYLYENM NINNLTATLGADLVDSTDNTKINRGIFNEFKKNFKYSISSNYMIVDINERPALDNERLKW RIQLSPDTRAGYLENGKLILQRNIGLEIKDVQIIKQSEKEYIRIDAKVVPKSKIDTKIQE AQLNINQEWNKALGLPKYTKLITFNVHNRYASNIVESAYLILNEWKNNIQSDLIKKVTNY LVDGNGRFVFTDITLPNIAEQYTHQDEIYEQVHSKGLYVPESRSILLHGPSKGVELRNDS EGFIHEFGHAVDDYAGYLLDKNQSDLVTNSKKFIDIFKEEGSNLTSYGRTNEAEFFAEAF RLMHSTDHAERLKVQKNAPKTFQFINDQIKFIINSLVPR
| ID | Name | Formula | Copies |
|---|---|---|---|
| 41R | N~2~-[(4-fluoro-3-methylphenyl)sulfonyl]-N-hydroxy-N~2~-(2-methylpropyl)-D-vali… | C16 H25 F N2 O4 S | 1 |
| ZN | Zinc ion | Zn | 1 |
Water and common crystallization additives (EDO) are not listed.
Ligand-induced expansion of the S1' site in the anthrax toxin lethal factor. Maize, K.M., Kurbanov, E.K., Johnson, R.L. et al. FEBS Lett (2015) 589:3836-3841. DOI 10.1016/j.febslet.2015.11.005 · PubMed
Other PDB entries of the same protein (UniProt P15917 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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