Request for liftOver chain files

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许晋升

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Oct 23, 2025, 12:08:45 PM (8 days ago) Oct 23
to gen...@soe.ucsc.edu

Hi,


Dear colleague,

Please ignore the first two emails due to some mistakes.

I am writing to request your kind assistance in creating several liftOver chain files. These files are crucial for our research as we need to convert genome positions from Canis lupus familiaris (ROS_Cfam_1.0/GCA_014441545.1) to the following version of genomes:

  1. canFam6
  2. canFam4 
  3. canFam3 

I sincerely appreciate your time and expertise in helping with this request. Your assistance will greatly facilitate our research. Please let me know if you need any additional information from my side.


With deepest gratitude,


Jin-Sheng Xu
Ph.D Candidate,

Hubei Key Laboratory of Agricultural Bioinformatics, 

College of Informatics, 
Huazhong Agricultural University, 
Wuhan 430070, China  

Gerardo Perez

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Oct 27, 2025, 5:52:26 PM (4 days ago) Oct 27
to 许晋升, gen...@soe.ucsc.edu

Hello,

Thank you for your interest in the UCSC Genome Browser and for sending your inquiry.

The requested liftOver files can be found on our download server:

ROS_Cfam_1.0 (GCF_014441545.1) to canFam6: https://hgdownload.soe.ucsc.edu/hubs/GCF/014/441/545/GCF_014441545.1/liftOver/GCF_014441545.1ToCanFam6.over.chain.gz

canFam6 to ROS_Cfam_1.0 (GCF_014441545.1): https://hgdownload.soe.ucsc.edu/goldenPath/canFam6/liftOver/canFam6ToGCF_014441545.1.over.chain.gz

ROS_Cfam_1.0 (GCF_014441545.1) to canFam4: https://hgdownload.soe.ucsc.edu/hubs/GCF/014/441/545/GCF_014441545.1/liftOver/GCF_014441545.1ToCanFam4.over.chain.gz

canFam4 to GCF_014441545.1: https://hgdownload.soe.ucsc.edu/goldenPath/canFam4/liftOver/canFam4ToGCF_014441545.1.over.chain.gz

ROS_Cfam_1.0 (GCF_014441545.1) to canFam3: https://hgdownload.soe.ucsc.edu/hubs/GCF/014/441/545/GCF_014441545.1/liftOver/GCF_014441545.1ToCanFam3.over.chain.gz

canFam3 to ROS_Cfam_1.0 (GCF_014441545.1): https://hgdownload.soe.ucsc.edu/goldenPath/canFam3/liftOver/canFam3ToGCF_014441545.1.over.chain.gz

I hope this is helpful. If you have any further questions, please reply to gen...@soe.ucsc.edu. All messages sent to that address are archived on a publicly-accessible Google Groups forum. If your question includes sensitive data, you may send it instead to genom...@soe.ucsc.edu.

Gerardo Perez
UCSC Genomics Institute


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