We need your help! Has Ensembl saved you time or effort? Please take 15 minutes to fill in a survey and help EMBL-EBI make the case for why open data resources are critical to life science research.
https://www.surveymonkey.com/r/QGFMBH8?channel=[webpage]

Cattle vs Domestic yak LastZ results

Cattle (Bos taurus, ARS-UCD2.0) and Domestic yak (Bos grunniens, LU_Bosgru_v3.0) 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

ParameterCattleDomestic yak
Chunk size10,000,00010,100,000
Overlap0100,000
Group set size10,100,00010,100,000
Masking options

Statistics over 408,466 alignment blocks

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

Uncovered: 234,621,496 out of 2,770,686,120
Covered: 2,536,064,624 out of 2,770,686,120

Uncovered: 1,283,090 out of 35,918,484
Matches: 34,278,933 out of 35,918,484
Mismatches: 315,071 out of 35,918,484
Insertions: 41,390 out of 35,918,484
Identity over aligned base-pairs: 99.0%

Domestic yak

Uncovered: 354,340,888 out of 2,832,776,395
Covered: 2,478,435,507 out of 2,832,776,395

Uncovered: 2,048,768 out of 34,628,786
Matches: 32,369,085 out of 34,628,786
Mismatches: 196,826 out of 34,628,786
Insertions: 14,107 out of 34,628,786
Identity over aligned base-pairs: 99.4%

Block size distribution

Size range All 408,466 alignment blocks Blocks grouped in nets
# blocks Total size (incl. gaps) # nets Total size (incl. gaps)
1 bp - 10 bp
2,360
14.5 kb
10 bp - 100 bp
18,665
982.7 kb
5,640
339.1 kb
100 bp - 1 kb
67,326
31.9 Mb
14,681
5.1 Mb
1 kb - 10 kb
235,061
1.0 Gb
4,321
13.1 Mb
10 kb - 100 kb
85,052
1.5 Gb
1,073
29.1 Mb
100 kb - 1 Mb
2
207.9 kb
73
15.7 Mb
1 Mb - 10 Mb
23
104.2 Mb
10 Mb - 100 Mb
45
1.9 Gb
100 Mb - 1 Gb
4
465.3 Mb