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Cattle vs Goat LastZ results

Cattle (Bos taurus, ARS-UCD2.0) and Goat (Capra hircus, ARS1) 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

ParameterCattleGoat
Chunk size10,000,00010,100,000
Overlap0100,000
Group set size10,100,00010,100,000
Masking options

Statistics over 908,642 alignment blocks

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

Uncovered: 428,244,713 out of 2,770,686,120
Covered: 2,342,441,407 out of 2,770,686,120

Uncovered: 731,404 out of 35,918,484
Matches: 34,051,818 out of 35,918,484
Mismatches: 1,083,414 out of 35,918,484
Insertions: 51,848 out of 35,918,484
Identity over aligned base-pairs: 96.8%

Goat

Uncovered: 644,689,464 out of 2,922,813,246
Covered: 2,278,123,782 out of 2,922,813,246

Uncovered: 1,318,224 out of 33,933,515
Matches: 31,620,684 out of 33,933,515
Mismatches: 958,022 out of 33,933,515
Insertions: 36,585 out of 33,933,515
Identity over aligned base-pairs: 97.0%

Block size distribution

Size range All 908,642 alignment blocks Blocks grouped in nets
# blocks Total size (incl. gaps) # nets Total size (incl. gaps)
1 bp - 10 bp
18,668
116.5 kb
10 bp - 100 bp
68,378
3.5 Mb
16,643
1.1 Mb
100 bp - 1 kb
283,231
130.8 Mb
41,419
12.5 Mb
1 kb - 10 kb
503,488
1.7 Gb
6,591
18.7 Mb
10 kb - 100 kb
34,874
509.1 Mb
1,540
43.7 Mb
100 kb - 1 Mb
3
358.7 kb
173
47.6 Mb
1 Mb - 10 Mb
18
59.7 Mb
10 Mb - 100 Mb
27
1.6 Gb
100 Mb - 1 Gb
5
567.9 Mb