userguide:proteingroups
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userguide:proteingroups [2010/04/14 10:11] 132.168.73.247 |
userguide:proteingroups [2012/02/28 16:22] (current) 132.168.73.124 |
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| - | ====== Protein Groups ====== | + | ====== Protein Groups and peptides ====== |
| + | |||
| + | See also [[how_to:browsecontextprotgroups|how-to access the protein group view]] and/or [[how_to:peptideview|how-to access peptide views]]. | ||
| ===== Definition ===== | ===== Definition ===== | ||
| - | A Protein Group (similar to Mascot® protein hit) is a collection of proteins identified by a set of peptides. A Protein Group contains not only all proteins covered by the same set of peptides but also all proteins covered by a subset of these peptides. | + | A **Protein Group** (similar to Mascot® protein hit) is a collection of proteins identified by a set of **peptides**. A Protein Group contains not only all proteins covered by the same set of peptides but also all proteins covered by a subset of these peptides. |
| In details, a Protein Group: | In details, a Protein Group: | ||
| * is represented by a master (or typical) protein | * is represented by a master (or typical) protein | ||
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| A Protein Group is always attached to a [[contextdefinition#Context]], Search or User Context. For the latter, protein groups are obtained when running the [[peptidesandproteingrouping#Protein Grouping algorithm]] on a given context. | A Protein Group is always attached to a [[contextdefinition#Context]], Search or User Context. For the latter, protein groups are obtained when running the [[peptidesandproteingrouping#Protein Grouping algorithm]] on a given context. | ||
| - | ===== Browsing protein groups ===== | + | ===== Mode details about protein group tree view ===== |
| Protein groups are associated to a context, thus it is possible to [[:how_to:browsecontextprotgroups|browse protein groups]] for a specific context. | Protein groups are associated to a context, thus it is possible to [[:how_to:browsecontextprotgroups|browse protein groups]] for a specific context. | ||
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| * ''masked'' specify if protein group is masked (after a filtereing ) | * ''masked'' specify if protein group is masked (after a filtereing ) | ||
| - | If other properties are associated to the protein group or typical protein, such as spectral count, they could also be displayed (FIXME see property page)\\ | + | If other properties are associated to the protein group or typical protein, such as spectral count, they could also be displayed (see [[how_to:accessproperties|properties general description]] page)\\ |
| \\ | \\ | ||
| For each group a list of all peptides used to identify the proteins is also displayed.\\ | For each group a list of all peptides used to identify the proteins is also displayed.\\ | ||
| \\ | \\ | ||
| - | Masked protein groups are displayed with gray icon and text and in italic. | + | Masked protein groups are displayed in gray and italic. |
| - | ===== View protein group details ===== | + | |
| + | ===== Mode details about protein group details view ===== | ||
| hEIDI allow users to [[:how_to:viewprotgroups|access protein group's detail]] from different place. | hEIDI allow users to [[:how_to:viewprotgroups|access protein group's detail]] from different place. | ||
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| If you select another protein from the sameset/subset tabs, the table showing peptides will be updated accordingly. Only peptide matching the selected protein will be displayed. | If you select another protein from the sameset/subset tabs, the table showing peptides will be updated accordingly. Only peptide matching the selected protein will be displayed. | ||
| - | **Details about the "Child contexts" column in the treeview:** | + | ===== More details about peptides view ===== |
| + | |||
| + | Peptide information is visible in the protein group view (context's protein group list or protein group details, see above) but also in the list of all [[how_to:peptideview|peptides of a context]]. | ||
| + | |||
| + | A '+' appears in front of each peptide node. If you deploy it, you will explore the child peptide, i.e. the peptides that belong to the contexts below | ||
| + | |||
| + | * # Child: number of direct child peptides, i.e. the number of peptides in the context(s) directly below | ||
| + | * # Leaves: number of spectra | ||
| + | * Context: context name | ||
| + | * Child contexts: for each peptide node, small coloured squares correspond to the context(s) to which belong to the child peptides. The colour changes according the depth of the context. When positioning the mouse cursor onto this image, the context names are displayed as a tooltip. The context of the last child peptide is not represented (a context is actually an identification result in this case). | ||
| + | * # Dist Idf: number of distinct identifications from which child peptides belong to | ||
| + | * Protein Group matche(s): number of protein match(es) and concerned typical protein(s) | ||
| + | * Charge: charge of the best child | ||
| + | * Score: score of the best child | ||
| + | * Calc. mass: calculated mass | ||
| + | * Exp. mass: experimental mass of the best child | ||
| + | * R.T.: retention time of the best child | ||
| + | * P.T.M.: post-traductional modifications | ||
| + | |||
| + | {{:userguide:childctxt4species2.png|}} | ||
| - | Peptides and their childs (= new peptides obtained when protein grouping is executed on a given context) are displayed recursively in the treeview.\\ | ||
| - | For each "parent" peptide node, the image in the "Childs" column displays, as small coloured squares, the context(s) of the child peptide(s).\\ | ||
| - | A different colour is used according the depth of the context.\\ | ||
| - | When positioning the mouse cursor onto the image, the context names are displayed as a tooltip.\\ | ||
| - | The context of the last child peptide is not represented (a context is actually an identification result in this case). | ||
userguide/proteingroups.1271232670.txt.gz · Last modified: 2010/04/14 10:11 by 132.168.73.247
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