Cytochalasin D is a member of the class of mycotoxins known as cytochalasins. Cytochalasin D is an alkaloid produced by Helminthosporium and other molds.

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Cytochalasin D

Names
Other names Zygosporin A; Cytohalasin D; Lygosporin A
Identifiers
CAS Number	22144-77-0 Y
3D model (JSmol)	Interactive image Interactive image
ChEBI	CHEBI:529996 N
ChemSpider	16736231 Y
ECHA InfoCard	100.040.716
PubChem CID	5458428
UNII	SY9F0FZ3TO Y
CompTox Dashboard (EPA)	DTXSID8037099
InChI InChI=1S/C30H37NO6/c1-17-10-9-13-22-26(33)19(3)18(2)25-23(16-21-11-7-6-8-12-21)31-28(35)30(22,25)24(37-20(4)32)14-15-29(5,36)27(17)34/h6-9,11-15,17-18,22-26,33,36H,3,10,16H2,1-2,4-5H3,(H,31,35)/b13-9-,15-14+ Y Key: SDZRWUKZFQQKKV-JIIHXHDGSA-N Y InChI=1/C30H37NO6/c1-17-10-9-13-22-26(33)19(3)18(2)25-23(16-21-11-7-6-8-12-21)31-28(35)30(22,25)24(37-20(4)32)14-15-29(5,36)27(17)34/h6-9,11-15,17-18,22-26,33,36H,3,10,16H2,1-2,4-5H3,(H,31,35)/b13-9-,15-14+ Key: SDZRWUKZFQQKKV-JIIHXHDGBR
SMILES C[C@H]1C/C=C/[C@H]2[C@@H](C(=C)[C@H]([C@@H]3[C@@]2([C@@H](/C=C/[C@@](C1=O)(C)O)OC(=O)C)C(=O)N[C@H]3CC4=CC=CC=C4)C)O CC(=O)OC4/C=C/C(C)(O)C(=O)C(C)C\C=C/C2C(O)C(=C)C(C)C3C(Cc1ccccc1)NC(=O)C234
Properties
Chemical formula	C30H37NO6
Molar mass	507.627 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

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Cytochalasin D is a cell-permeable and potent inhibitor of actin polymerization. It disrupts actin microfilaments and activates the p53-dependent pathways causing arrest of the cell cycle at the G1-S transition. It is believed to bind to F-actin polymer and prevent polymerization of actin monomers. ^[1]