diff --git a/src/extensions/cellpack/model.ts b/src/extensions/cellpack/model.ts
index 3736ba627e8d5c87ea4df0ca7f4a7239c2445999..372b18d10a86b71d9764ac2f5b3b7d800448af86 100644
--- a/src/extensions/cellpack/model.ts
+++ b/src/extensions/cellpack/model.ts
@@ -26,70 +26,71 @@ import { mmCIF_Schema } from '../../mol-io/reader/cif/schema/mmcif';
 import { Column } from '../../mol-data/db';
 import { createModels } from '../../mol-model-formats/structure/basic/parser';
 import { CellpackPackingPreset, CellpackMembranePreset } from './preset';
-import { Asset, AssetManager } from '../../mol-util/assets';
+import { Asset } from '../../mol-util/assets';
 
 function getCellPackModelUrl(fileName: string, baseUrl: string) {
     return `${baseUrl}/results/${fileName}`;
 }
 
-async function getModel(assetManager: AssetManager, id: string, ingredient: Ingredient, baseUrl: string, file?: Asset.File) {
+async function getModel(plugin: PluginContext, id: string, ingredient: Ingredient, baseUrl: string, file?: Asset.File) {
+    const assetManager = plugin.managers.asset;
     const model_id = (ingredient.source.model) ? parseInt(ingredient.source.model) : 0;
     const surface = (ingredient.ingtype) ? (ingredient.ingtype === 'transmembrane') : false;
     let model: Model;
     let assets: Asset.Wrapper[] = [];
     if (file) {
         if (file.name.endsWith('.cif')) {
-            const text = await assetManager.resolve(file, 'string').run();
+            const text = await plugin.runTask(assetManager.resolve(file, 'string'));
             assets.push(text);
-            const cif = (await parseCif(text.data)).blocks[0];
-            model = (await trajectoryFromMmCIF(cif).run())[model_id];
+            const cif = (await parseCif(plugin, text.data)).blocks[0];
+            model = (await plugin.runTask(trajectoryFromMmCIF(cif)))[model_id];
         } else if (file.name.endsWith('.bcif')) {
-            const binary = await assetManager.resolve(file, 'binary').run();
+            const binary = await plugin.runTask(assetManager.resolve(file, 'binary'));
             assets.push(binary);
-            const cif = (await parseCif(binary.data)).blocks[0];
-            model = (await trajectoryFromMmCIF(cif).run())[model_id];
+            const cif = (await parseCif(plugin, binary.data)).blocks[0];
+            model = (await plugin.runTask(trajectoryFromMmCIF(cif)))[model_id];
         } else if (file.name.endsWith('.pdb')) {
-            const text = await assetManager.resolve(file, 'string').run();
+            const text = await plugin.runTask(assetManager.resolve(file, 'string'));
             assets.push(text);
-            const pdb = await parsePDBfile(text.data, id);
-            model = (await trajectoryFromPDB(pdb).run())[model_id];
+            const pdb = await parsePDBfile(plugin, text.data, id);
+            model = (await plugin.runTask(trajectoryFromPDB(pdb)))[model_id];
         } else {
             throw new Error(`unsupported file type '${file.name}'`);
         }
     } else if (id.match(/^[1-9][a-zA-Z0-9]{3,3}$/i)) {
         if (surface){
-            const data = await getFromOPM(id, assetManager);
+            const data = await getFromOPM(plugin, id, assetManager);
             if (data.asset){
                 assets.push(data.asset);
-                model = (await trajectoryFromPDB(data.pdb).run())[model_id];
+                model = (await plugin.runTask(trajectoryFromPDB(data.pdb)))[model_id];
             } else {
-                const { mmcif, asset } = await getFromPdb(id, assetManager);
+                const { mmcif, asset } = await getFromPdb(plugin, id, assetManager);
                 assets.push(asset);
-                model = (await trajectoryFromMmCIF(mmcif).run())[model_id];
+                model = (await plugin.runTask(trajectoryFromMmCIF(mmcif)))[model_id];
             }
         } else {
-            const { mmcif, asset } = await getFromPdb(id, assetManager);
+            const { mmcif, asset } = await getFromPdb(plugin, id, assetManager);
             assets.push(asset);
-            model = (await trajectoryFromMmCIF(mmcif).run())[model_id];
+            model = (await plugin.runTask(trajectoryFromMmCIF(mmcif)))[model_id];
         }
     } else {
-        const data = await getFromCellPackDB(id, baseUrl, assetManager);
+        const data = await getFromCellPackDB(plugin, id, baseUrl, assetManager);
         assets.push(data.asset);
         if ('pdb' in data) {
-            model = (await trajectoryFromPDB(data.pdb).run())[model_id];
+            model = (await plugin.runTask(trajectoryFromPDB(data.pdb)))[model_id];
         } else {
-            model = (await trajectoryFromMmCIF(data.mmcif).run())[model_id];
+            model = (await plugin.runTask(trajectoryFromMmCIF(data.mmcif)))[model_id];
         }
     }
     return { model, assets };
 }
 
-async function getStructure(model: Model, source: IngredientSource, props: { assembly?: string } = {}) {
+async function getStructure(plugin: PluginContext, model: Model, source: IngredientSource, props: { assembly?: string } = {}) {
     let structure = Structure.ofModel(model);
     const { assembly } = props;
 
     if (assembly) {
-        structure = await StructureSymmetry.buildAssembly(structure, assembly).run();
+        structure = await plugin.runTask(StructureSymmetry.buildAssembly(structure, assembly));
     }
     let query;
     if (source.selection){
@@ -274,7 +275,7 @@ function getCifCurve(name: string, transforms: Mat4[], model: Model) {
     };
 }
 
-async function getCurve(name: string, ingredient: Ingredient, transforms: Mat4[], model: Model) {
+async function getCurve(plugin: PluginContext, name: string, ingredient: Ingredient, transforms: Mat4[], model: Model) {
     const cif = getCifCurve(name, transforms, model);
 
     const curveModelTask = Task.create('Curve Model', async ctx => {
@@ -283,11 +284,11 @@ async function getCurve(name: string, ingredient: Ingredient, transforms: Mat4[]
         return models[0];
     });
 
-    const curveModel = await curveModelTask.run();
-    return getStructure(curveModel, ingredient.source);
+    const curveModel = await plugin.runTask(curveModelTask);
+    return getStructure(plugin, curveModel, ingredient.source);
 }
 
-async function getIngredientStructure(assetManager: AssetManager, ingredient: Ingredient, baseUrl: string, ingredientFiles: IngredientFiles) {
+async function getIngredientStructure(plugin: PluginContext, ingredient: Ingredient, baseUrl: string, ingredientFiles: IngredientFiles) {
     const { name, source, results, nbCurve } = ingredient;
     if (source.pdb === 'None') return;
 
@@ -302,12 +303,12 @@ async function getIngredientStructure(assetManager: AssetManager, ingredient: In
     }
 
     // model id in case structure is NMR
-    const { model, assets } = await getModel(assetManager, source.pdb || name, ingredient, baseUrl, file);
+    const { model, assets } = await getModel(plugin, source.pdb || name, ingredient, baseUrl, file);
     if (!model) return;
 
     let structure: Structure;
     if (nbCurve) {
-        structure = await getCurve(name, ingredient, getCurveTransforms(ingredient), model);
+        structure = await getCurve(plugin, name, ingredient, getCurveTransforms(ingredient), model);
     } else {
         let bu: string|undefined = source.bu ? source.bu : undefined;
         if (bu){
@@ -317,7 +318,7 @@ async function getIngredientStructure(assetManager: AssetManager, ingredient: In
                 bu = bu.slice(2);
             }
         }
-        structure = await getStructure(model, source, { assembly: bu });
+        structure = await getStructure(plugin, model, source, { assembly: bu });
         // transform with offset and pcp
         let legacy: boolean = true;
         if (ingredient.offset || ingredient.principalAxis){
@@ -349,14 +350,14 @@ async function getIngredientStructure(assetManager: AssetManager, ingredient: In
     return { structure, assets };
 }
 
-export function createStructureFromCellPack(assetManager: AssetManager, packing: CellPacking, baseUrl: string, ingredientFiles: IngredientFiles) {
+export function createStructureFromCellPack(plugin: PluginContext, packing: CellPacking, baseUrl: string, ingredientFiles: IngredientFiles) {
     return Task.create('Create Packing Structure', async ctx => {
         const { ingredients, name } = packing;
         const assets: Asset.Wrapper[] = [];
         const structures: Structure[] = [];
         for (const iName in ingredients) {
             if (ctx.shouldUpdate) await ctx.update(iName);
-            const ingredientStructure = await getIngredientStructure(assetManager, ingredients[iName], baseUrl, ingredientFiles);
+            const ingredientStructure = await getIngredientStructure(plugin, ingredients[iName], baseUrl, ingredientFiles);
             if (ingredientStructure) {
                 structures.push(ingredientStructure.structure);
                 assets.push(...ingredientStructure.assets);
diff --git a/src/extensions/cellpack/state.ts b/src/extensions/cellpack/state.ts
index 361a2b2b5d083601b6138a2f15401f07a8081d7e..8ae16116d73a2a79634552216be625c3472f5c65 100644
--- a/src/extensions/cellpack/state.ts
+++ b/src/extensions/cellpack/state.ts
@@ -71,7 +71,7 @@ const StructureFromCellpack = PluginStateTransform.BuiltIn({
                     ingredientFiles[file.name] = file;
                 }
             }
-            const { structure, assets } = await createStructureFromCellPack(plugin.managers.asset, packing, params.baseUrl, ingredientFiles).runInContext(ctx);
+            const { structure, assets } = await createStructureFromCellPack(plugin, packing, params.baseUrl, ingredientFiles).runInContext(ctx);
 
             await CellPackInfoProvider.attach({ runtime: ctx, assetManager: plugin.managers.asset }, structure, {
                 info: { packingsCount: a.data.packings.length, packingIndex: params.packing }
diff --git a/src/extensions/cellpack/util.ts b/src/extensions/cellpack/util.ts
index 52b45db19153f961114a155d3842b1f48bf63c83..0d790ad1b2a03d9662f402c4fd4271467b66f5df 100644
--- a/src/extensions/cellpack/util.ts
+++ b/src/extensions/cellpack/util.ts
@@ -9,50 +9,51 @@ import { parsePDB } from '../../mol-io/reader/pdb/parser';
 import { AssetManager, Asset } from '../../mol-util/assets';
 import { Structure } from '../../mol-model/structure';
 import { Vec3 } from '../../mol-math/linear-algebra';
+import { PluginContext } from '../../mol-plugin/context';
 
-export async function parseCif(data: string|Uint8Array) {
+export async function parseCif(plugin: PluginContext, data: string | Uint8Array) {
     const comp = CIF.parse(data);
-    const parsed = await comp.run();
+    const parsed = await plugin.runTask(comp);
     if (parsed.isError) throw parsed;
     return parsed.result;
 }
 
-export async function parsePDBfile(data: string, id: string) {
+export async function parsePDBfile(plugin: PluginContext, data: string, id: string) {
     const comp = parsePDB(data, id);
-    const parsed = await comp.run();
+    const parsed = await plugin.runTask(comp);
     if (parsed.isError) throw parsed;
     return parsed.result;
 }
 
-async function downloadCif(url: string, isBinary: boolean, assetManager: AssetManager) {
+async function downloadCif(plugin: PluginContext, url: string, isBinary: boolean, assetManager: AssetManager) {
     const type = isBinary ? 'binary' : 'string';
-    const asset = await assetManager.resolve(Asset.getUrlAsset(assetManager, url), type).run();
-    return { cif: await parseCif(asset.data), asset };
+    const asset = await plugin.runTask(assetManager.resolve(Asset.getUrlAsset(assetManager, url), type));
+    return { cif: await parseCif(plugin, asset.data), asset };
 }
 
-async function downloadPDB(url: string, id: string, assetManager: AssetManager) {
+async function downloadPDB(plugin: PluginContext, url: string, id: string, assetManager: AssetManager) {
     const asset = await assetManager.resolve(Asset.getUrlAsset(assetManager, url), 'string').run();
-    return { pdb: await parsePDBfile(asset.data, id), asset };
+    return { pdb: await parsePDBfile(plugin, asset.data, id), asset };
 }
 
-export async function getFromPdb(pdbId: string, assetManager: AssetManager) {
-    const { cif, asset } = await downloadCif(`https://models.rcsb.org/${pdbId.toUpperCase()}.bcif`, true, assetManager);
+export async function getFromPdb(plugin: PluginContext, pdbId: string, assetManager: AssetManager) {
+    const { cif, asset } = await downloadCif(plugin, `https://models.rcsb.org/${pdbId.toUpperCase()}.bcif`, true, assetManager);
     return { mmcif: cif.blocks[0], asset };
 }
 
-export async function getFromOPM(pdbId: string, assetManager: AssetManager){
-    const asset = await assetManager.resolve(Asset.getUrlAsset(assetManager, `https://opm-assets.storage.googleapis.com/pdb/${pdbId.toLowerCase()}.pdb`), 'string').run();
-    return { pdb: await parsePDBfile(asset.data, pdbId), asset };
+export async function getFromOPM(plugin: PluginContext, pdbId: string, assetManager: AssetManager){
+    const asset = await plugin.runTask(assetManager.resolve(Asset.getUrlAsset(assetManager, `https://opm-assets.storage.googleapis.com/pdb/${pdbId.toLowerCase()}.pdb`), 'string'));
+    return { pdb: await parsePDBfile(plugin, asset.data, pdbId), asset };
 }
 
-export async function getFromCellPackDB(id: string, baseUrl: string, assetManager: AssetManager) {
+export async function getFromCellPackDB(plugin: PluginContext, id: string, baseUrl: string, assetManager: AssetManager) {
     if (id.toLowerCase().endsWith('.cif') || id.toLowerCase().endsWith('.bcif')) {
         const isBinary = id.toLowerCase().endsWith('.bcif');
-        const { cif, asset } = await downloadCif(`${baseUrl}/other/${id}`, isBinary, assetManager);
+        const { cif, asset } = await downloadCif(plugin, `${baseUrl}/other/${id}`, isBinary, assetManager);
         return { mmcif: cif.blocks[0], asset };
     } else {
         const name = id.endsWith('.pdb') ? id.substring(0, id.length - 4) : id;
-        return await downloadPDB(`${baseUrl}/other/${name}.pdb`, name, assetManager);
+        return await downloadPDB(plugin, `${baseUrl}/other/${name}.pdb`, name, assetManager);
     }
 }