Myosin II Dictyostelium discoideum motor domain S456Y bound with MgADP-BeFx. Determined by X-ray diffraction at 1.75 Å resolution. Released 16 Mar 2006.
Explore 1W9I in 3D Show helices and sheets RCSB PDB PDBe
1W9I contains 31 α-helices and 27 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 | 10-15 | 6 | |
| β-strand | 34-37 | 4 | 1 |
| β-strand | 48-55 | 8 | 1 |
| β-strand | 59-63 | 5 | 1 |
| β-strand | 69-73 | 5 | 1 |
| β-strand | 78-79 | 2 | 1 |
| α-helix | 80-82 | 3 | |
| α-helix | 83-85 | 3 | |
| β-strand | 90 | 1 | 2 |
| α-helix | 91-93 | 3 | |
| α-helix | 99-111 | 13 | |
| β-strand | 116-119 | 4 | 2 |
| β-strand | 122-126 | 5 | 2 |
| α-helix | 137-143 | 7 | |
| α-helix | 148-150 | 3 | |
| α-helix | 155-169 | 15 | |
| β-strand | 173-178 | 6 | 2 |
| α-helix | 185-200 | 16 | |
| α-helix | 210-226 | 17 | |
| β-strand | 227-228 | 2 | 3 |
| β-strand | 236-237 | 2 | 3 |
| β-strand | 240-247 | 8 | 2 |
| β-strand | 253-261 | 9 | 2 |
| α-helix | 265-268 | 4 | |
| β-strand | 278 | 1 | 3 |
| α-helix | 279-287 | 9 | |
| α-helix | 290-296 | 7 | |
| α-helix | 301-303 | 3 | |
| α-helix | 320-334 | 15 | |
| α-helix | 338-355 | 18 | |
| β-strand | 360-361 | 2 | 4 |
| β-strand | 367-368 | 2 | 4 |
| α-helix | 373-382 | 10 | |
| α-helix | 386-394 | 9 | |
| β-strand | 397-400 | 4 | 5 |
| β-strand | 403-406 | 4 | 5 |
| α-helix | 411-441 | 31 | |
| β-strand | 448-454 | 7 | 2 |
| α-helix | 466-495 | 30 | |
| α-helix | 506-510 | 5 | |
| α-helix | 511-518 | 8 | |
| α-helix | 525-533 | 9 | |
| α-helix | 540-551 | 12 | |
| β-strand | 558-559 | 2 | 6 |
| β-strand | 567-572 | 6 | 6 |
| β-strand | 575-580 | 6 | 6 |
| α-helix | 584-589 | 6 | |
| α-helix | 594-601 | 8 | |
| α-helix | 608-613 | 6 | |
| α-helix | 615-618 | 4 | |
| β-strand | 622-623 | 2 | 7 |
| β-strand | 626-627 | 2 | 7 |
| α-helix | 630-646 | 17 | |
| β-strand | 649-656 | 8 | 2 |
| α-helix | 669-678 | 10 | |
| α-helix | 681-687 | 7 | |
| β-strand | 694-697 | 4 | 8 |
| β-strand | 743-746 | 4 | 8 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Myosin II heavy chain | A | protein | 770 | DICTYOSTELIUM DISCOIDEUM | P08799 (AlphaFold model) |
>1W9I_1 MYOSIN II HEAVY CHAIN (chains A) MNPIHDRTSDYHKYLKVKQGDSDLFKLTVSDKRYIWYNPDPKERDSYECGEIVSETSDSF TFKTVDGQDRQVKKDDANQRNPIKFDGVEDMSELSYLNEPAVFHNLRVRYNQDLIYTYSG LFLVAVNPFKRIPIYTQEMVDIFKGRRRNEVAPHIFAISDVAYRSMLDDRQNQSLLITGE SGAGKTENTKKVIQYLASVAGRNQANGSGVLEQQILQANPILEAFGNAKTTRNNNSSRFG KFIEIQFNSAGFISGASIQSYLLEKSRVVFQSETERNYHIFYQLLAGATAEEKKALHLAG PESFNYLNQSGCVDIKGVSDSEEFKITRQAMDIVGFSQEEQMSIFKIIAGILHLGNIKFE KGAGEGAVLKDKTALNAASTVFGVNPSVLEKALMEPRILAGRDLVAQHLNVEKSSSSRDA LVKALYGRLFLWLVKKINNVLCQERKAYFIGVLDIYGFEIFKVNSFEQLCINYTNEKLQQ FFNHHMFKLEQEEYLKEKINWTFIDFGLDSQATIDLIDGRQPPGILALLDEQSVFPNATD NTLITKLHSHFSKKNAKYEEPRFSKTEFGVTHYAGQVMYEIQDWLEKNKDPLQQDLELCF KDSSDNVVTKLFNDPNIASRAKKGANFITVAAQYKEQLASLMATLETTNPHFVRCIIPNN KQLPAKLEDKVVLDQLRCNGVLEGIRITRKGFPNRIIYADFVKRYYLLAPNVPRDAEDSQ KATDAVLKHLNIDPEQFRFGITKIFFRAGQLARIEEARELRGDYKDDDDK
| ID | Name | Formula | Copies |
|---|---|---|---|
| BEF | Beryllium trifluoride ion | Be F3 | 1 |
| ADP | Adenosine-5'-diphosphate | C10 H15 N5 O10 P2 | 1 |
| MG | Magnesium ion | Mg | 1 |
Water and common crystallization additives (EDO) are not listed.
Structure-Function Analysis of Myosin II Backdoor Mutants. Morris, C.A., Coureux, P.-D., Wells, A.L. et al. To be published.
Other PDB entries of the same protein (UniProt P08799 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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