APA problem: Loop list is empty or incorrect path provided.

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zhengdafangyuan zhong

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Jan 11, 2022, 8:17:43 AM1/11/22
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Hi, everyone

I want to perform  APA  on the Hi-C dataset with the loop regions from Rao et al. 2014.

The command is :
java -Xmx20g -jar ~/Juicebox/juicer_tools.jar apa -r 10000 -c chr2  /data/4DNFI1UEG1HD.hic  all_loops_filter.txt  Result_dir


And I got:

WARNING: sun.reflect.Reflection.getCallerClass is not supported. This will impact performance.
WARN [2022-01-11T21:02:43,339]  [Globals.java:138] [main]  Development mode is enabled
Reading file: /data/4DNFI1UEG1HD.hic
Using 1 CPU thread(s) for primary task
Processing APA for resolution 10000
Loop list is empty or incorrect path provided.

The head lines of my loop file:
chr1        153507524        153987524        chr1        153507524        153987524        loop2        100        +        +
chr1        184070866        184670866        chr1        184070866        184670866        loop3        100        +        +
chr1        184070866        184230866        chr1        184070866        184230866        loop4        100        +        +
chr1        204560872        204770872        chr1        204560872        204770872        loop5        100        +        +
chr1        147258346        147648198        chr1        147258346        147648198        loop6        100        +        +
chr1        147268341        147897870        chr1        147268341        147897870        loop7        100        +        +


And I have tried to use the sample bedpe from https://github.com/aidenlab/Juicebox/wiki :
#chr1  x1         x2            chr2   y1              y2          name        score  strand1  strand2        color
chr5   85000000  89000000   chr5   85000000   89000000    .     .      .        .       255,0,0

But the same error occurred!

Is there something wrong with my loop file or anything else?  Can anyone help or provide a standard bedpe file?

Best wish,
Thanks!

Muhammad Shamim

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Jan 11, 2022, 3:48:43 PM1/11/22
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What happens if you try without the 'chr'?
e.g.
1        153507524        153987524        1        153507524        153987524        loop2        100        +        +

For this hic file, the chromosomes appear to be listed as 1, 2, 3, etc.

zhengdafangyuan zhong

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Jan 11, 2022, 5:31:10 PM1/11/22
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Hi,
I tried to replace the "chr" and sorted the loop list "sorted -k1,1n -k2,2n -k3,3n", but got the same error.
head all_loops_filter2.txt
1        114347378        114567379        1        114347378        114567379        loop153        100        +        +
1        114977379        115117379        1        114977379        115117379        loop618        100        +        +
1        115127379        115707379        1        115127379        115707379        loop1209        100        +        +
1        115137379        115477379        1        115137379        115477379        loop454        100        +        +
1        115137379        115597379        1        115137379        115597379        loop455        100        +        +
1        115607379        115707379        1        115607379        115707379        loop549        100        +        +
1        115607379        115777379        1        115607379        115777379        loop550        100        +        +
1        115797379        115987379        1        115797379        115987379        loop418        100        +        +
1        116137379        116367378        1        116137379        116367378        loop786        100        +        +
1        116137379        116427378        1        116137379        116427378        loop1111        100        +        +

Muhammad Saad Shamim

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Jan 11, 2022, 5:33:15 PM1/11/22
to zhengdafangyuan zhong, 3D Genomics
What happens when you load the .hic file and loop list in juicebox? Does it load?
Have you tried using the latest jar under Github releases?


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Shawn Bai

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Oct 19, 2022, 8:59:37 PM10/19/22
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I have the same problem. Has this been solved??
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