# Mutations MAF file doesn't contain cell line (sample-id)

**URL:** <https://forum.depmap.org/t/mutations-maf-file-doesnt-contain-cell-line-sample-id/2803>\
**Category:** Q&A\
**Created:** [September 6, 2023, 1:22pm UTC](https://forum.depmap.org/t/mutations-maf-file-doesnt-contain-cell-line-sample-id/2803 "2023-09-06T13:22:45Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![yasird](https://yyz1.discourse-cdn.com/flex035/user_avatar/forum.depmap.org/yasird/32/938_2.png) [@yasird](https://forum.depmap.org/u/yasird)\
**Post date:** [September 6, 2023, 1:22pm UTC](https://forum.depmap.org/t/mutations-maf-file-doesnt-contain-cell-line-sample-id/2803/1 "2023-09-06T13:22:45Z")

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I have downloaded mutation maf file for 23Q2 (OmicsSomaticMutationsMAFProfile.maf).

I am able to read this data with maftools and it perfectly works however when I check variant.classification.summary dataframe inside this file, the mutation data linked with Tumor\_sample\_barcode not with sample ids.

So basically what I am trying to do is check mutations for each cell line. How can I map this sample barcode with cell lines?

Thanks.

 ![image](https://canada1.discourse-cdn.com/flex035/uploads/depmap/original/1X/20191e7d4b9af5f1a44bed16e03e06463e09e3c5.png)

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**Author:** ![simz](https://yyz1.discourse-cdn.com/flex035/user_avatar/forum.depmap.org/simz/32/440_2.png) [@simz](https://forum.depmap.org/u/simz)\
**Post date:** [September 6, 2023, 1:29pm UTC](https://forum.depmap.org/t/mutations-maf-file-doesnt-contain-cell-line-sample-id/2803/2 "2023-09-06T13:29:18Z")

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Hi,

Currently DepMap omics is offering data on both ModelID (ACH-xxxxxx) and ProfileID (PR-xxxxxx) levels to enable more granular data sharing. Specifically, in the download page, everything ending with the suffix “Profile” has ProfileIDs as the identifier.

If you are looking for a way to map ProfileIDs to ModelIDs, OmicsProfiles.csv should be the file you need, and Model.csv might be relevant too if you are looking for cell line name and/or metadata information.

Hope this helps!  
Simone
