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Cattle vs Arabian camel LastZ results

Cattle (Bos taurus, ARS-UCD2.0) and Arabian camel (Camelus dromedarius, CamDro2) were aligned using the LastZ alignment algorithm (LastZ) in Ensembl release 114. Cattle was used as the reference species. After running LastZ, the raw LastZ alignment blocks were chained according to their location in both genomes. During the final netting process, the best sub-chain was chosen in each region on the reference species.

Configuration parameters

ParameterValue
Gap open penalty (O)400
Gap extend penalty (E)30
HSP threshold (K)3000
Threshold for gapped extension (L)3000
Threshold for alignments between gapped alignment blocks (H)2200
Masking count (M)
Seed and Transition value (T)1
Scoring matrix (Q)
Default:
     A    C    G    T
    91 -114  -31 -123
  -114  100 -125  -31
   -31 -125  100 -114
  -123  -31 -114   91

Chunking parameters

ParameterCattleArabian camel
Chunk size10,000,00010,100,000
Overlap0100,000
Group set size10,100,00010,100,000
Masking options

Statistics over 1,862,627 alignment blocks

Genome coverage (bp) Coding exon coverage (bp)
Cattle

Uncovered: 1,225,849,687 out of 2,770,686,120
Covered: 1,544,836,433 out of 2,770,686,120

Uncovered: 1,398,025 out of 35,918,484
Matches: 30,861,461 out of 35,918,484
Mismatches: 3,465,766 out of 35,918,484
Insertions: 193,232 out of 35,918,484
Identity over aligned base-pairs: 89.4%

Arabian camel

Uncovered: 659,098,429 out of 2,154,386,959
Covered: 1,495,288,530 out of 2,154,386,959

Uncovered: 846,888 out of 32,075,927
Matches: 28,113,780 out of 32,075,927
Mismatches: 2,966,440 out of 32,075,927
Insertions: 148,819 out of 32,075,927
Identity over aligned base-pairs: 90.0%

Block size distribution

Size range All 1,862,627 alignment blocks Blocks grouped in nets
# blocks Total size (incl. gaps) # nets Total size (incl. gaps)
1 bp - 10 bp
78,149
503.9 kb
10 bp - 100 bp
170,426
8.1 Mb
15,309
1.0 Mb
100 bp - 1 kb
1,066,219
493.1 Mb
46,466
15.9 Mb
1 kb - 10 kb
546,300
1.1 Gb
10,491
26.8 Mb
10 kb - 100 kb
1,533
20.3 Mb
1,038
22.6 Mb
100 kb - 1 Mb
79
27.7 Mb
1 Mb - 10 Mb
66
277.5 Mb
10 Mb - 100 Mb
56
1.2 Gb