Zebrafish vs Zebra mbuna LastZ results

Zebrafish (Danio rerio, GRCz11) and Zebra mbuna (Maylandia zebra, M_zebra_UMD2a) were aligned using the LastZ alignment algorithm (LastZ) in Ensembl release 94. Zebrafish 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

ParameterZebrafishZebra mbuna
Chunk size10,000,00010,100,000
Overlap0100,000
Group set size010,100,000
Masking options

Statistics over 314,857 alignment blocks

Genome coverage (bp) Coding exon coverage (bp)
Zebrafish

Uncovered: 1,314,234,419 out of 1,373,471,384
Covered: 59,236,965 out of 1,373,471,384

Uncovered: 10,013,235 out of 42,031,845
Matches: 22,881,049 out of 42,031,845
Mismatches: 8,681,698 out of 42,031,845
Insertions: 455,863 out of 42,031,845
Identity over aligned base-pairs: 71.5%

Zebra mbuna

Uncovered: 894,605,759 out of 957,485,262
Covered: 62,879,503 out of 957,485,262

Uncovered: 9,956,159 out of 42,396,503
Matches: 23,078,127 out of 42,396,503
Mismatches: 8,685,492 out of 42,396,503
Insertions: 676,725 out of 42,396,503
Identity over aligned base-pairs: 71.1%

Block size distribution

Size range All 314,857 alignment blocks Blocks grouped in nets
# blocks Total size (incl. gaps) # nets Total size (incl. gaps)
1 bp - 10 bp
1,991
8.7 kb
10 bp - 100 bp
47,230
3.4 Mb
14,565
1.1 Mb
100 bp - 1 kb
260,342
64.6 Mb
77,589
24.2 Mb
1 kb - 10 kb
5,288
8.4 Mb
14,515
35.8 Mb
10 kb - 100 kb
6
81.9 kb
677
13.3 Mb
100 kb - 1 Mb
15
2.2 Mb