Clarification on compiled data type in JASPAR

[Maggie Ma]

Hi Jaspar team,

I'm currently using JASPAR matrices for my project, and I had a couple of questions about the COMPILED data type and some matrices that don’t list a clear source.

I was wondering:

1. How are the COMPILDE matrices generated? Is there a specific algorithm used to combine data from different sources?
2. For matrices that don’t show a specific data type or experimental source, is there a way to trace where the data originally came from? 
    

I’ve checked the metadata sheet but didn’t find this information, so I wanted to ask directly.
Thanks so much for your time, and for maintaining JASPAR!

Best,
Maggie

[Anthony Mathelier]

Dear Maggie.

Thanks for your question and your interest in JASPAR.

The matrices generated from compiled data were usually built from multiple papers about 15-20 years ago. For the matrices missing the data type, they were also generated a long time ago. In both cases, we unfortunately do not have a way to track back the original data used. We are sorry about it.

Best
AM

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