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Dal Molin Matteo

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Apr 13, 2026, 10:30:36 AM (5 days ago) Apr 13
to gen...@soe.ucsc.edu
Good morning,

I am writing you because I need to convert genomic coordinates from hg18 to hg19.
Can you tell me please how to use https://genome.ucsc.edu/cgi-bin/hgLiftOver ?

Thanks a lot.

Best regards.

Matteo

Matteo Dal Molin, PhD
Laboratorio di Genetica Medica
Istituto Europeo di Oncologia
Via Ripamonti,  435
20139 Milano, Italy
Tel: +39 02 94375043
e-mail: matteo....@ieo.it
5x1000

Gerardo Perez

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Apr 15, 2026, 10:14:53 PM (2 days ago) Apr 15
to Dal Molin Matteo, gen...@soe.ucsc.edu

Hello, Matteo.

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

You can convert your hg18 coordinates to hg19 by following these steps on the LiftOver page:
1. Go to https://genome.ucsc.edu/cgi-bin/hgLiftOver
2. In the "Change original genome" search box, type "hg18" and select "Human (hg18)" from the results
3. Under "Change new genome," keep "Human" selected
4. Under "Change new assembly," select "Feb. 2009 (GRCh37/hg19)" from the dropdown
5. Paste your coordinates into the text box, one position per line. Supported formats include BED (e.g. "chr4 100000 100001", 0-based) and position (e.g. "chr4:100,001-100,001", 1-based). You can also upload a file using the "Choose File"
button.
6. Click "Submit"

For more detailed instructions, see our LiftOver documentation: https://genome.ucsc.edu/goldenPath/help/hgTracksHelp.html#Liftover

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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