Request for chain file: Sheep (oviAri4) to Rambouillet sheep (U.Idaho 2021)

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杨培福+2024博士

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Jul 16, 2026, 5:30:28 AMJul 16
to gen...@soe.ucsc.edu
Subject: Request for chain file: Sheep (oviAri4) to Rambouillet sheep (U.Idaho 2021)

Dear UCSC Genome Browser team,

I am trying to lift coordinates from Sheep (oviAri4) to Rambouillet sheep (U.Idaho 2021) using LiftOver, but I cannot find the chain file in the usual download directories.  

Could you please provide a download link for this chain file, or let me know where I can obtain it? I need it for local batch processing of a large BED file.

Thank you very much for your help.

Best regards,

Dr. Yang

Gerardo Perez

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Jul 21, 2026, 2:46:15 PMJul 21
to 杨培福+2024博士, gen...@soe.ucsc.edu

Hello, Dr. Yang.

Thank you for your interest in the Genome Browser.

We have those chain files available on our download server:

Sheep (oviAri4) to Rambouillet sheep U.Idaho 2021 (GCF_016772045.1): https://hgdownload.soe.ucsc.edu/goldenPath/oviAri4/liftOver/oviAri4ToGCF_016772045.1.over.chain.gz

Rambouillet sheep U.Idaho 2021 (GCF_016772045.1) to Sheep (oviAri4): https://hgdownload.soe.ucsc.edu/hubs/GCF/016/772/045/GCF_016772045.1/liftOver/GCF_016772045.1ToOviAri4.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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