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Table 1 FLGSA data and Illumina precomputed SpliceAI Δ scores for 27 known and 35 newly selected potential SPINK1 coding SNVs

From: Combining full-length gene assay and SpliceAI to interpret the splicing impact of all possible SPINK1 coding variants

Exon

Varianta

Illumina precomputed SpliceAI scoresb

Generation of aberrantly spliced transcripts as determined by FLGSAc

Study

Nucleotide change

Amino acid change

AG

AL

DG

DL

1

c.9A > C

p.Val3Val

0.00

0.00

0.04

0.55 (3 bp)d

No

This study

1

c.9A > G

p.Val3Val

0.00

0.00

0.04

0.54 (3 bp)d

No

This study

1

c.9A > T

p.Val3Val

0.00

0.00

0.04

0.55 (3 bp)d

No

This study

1

c.11C > G

p.Thr4Arg

0.00

0.00

0.44 (5 bp)

0.45 (-44 bp)

No

This study

1

c.15C > T

p.Gly5Gly

0.00

0.00

0.52 (2 bp)

0.13 (-40 bp)

No

This study

1

c.26 T > G

p.Leu9Arg

0.00

0.00

0.03

0.29 (20 bp)d

No

[38]

1

c.29G > A

p.Ser10Asn

0.00

0.00

0.11 (23 bp)

0.03

No

[38]

1

c.36G > C

p.Leu12Phe

0.00

0.00

0.02

0.10 (30 bp)d

No

[38]

1

c.41 T > C

p.Leu14Pro

0.00

0.00

0.01

0.04

No

[38]

1

c.41 T > G

p.Leu14Arg

0.00

0.00

0.02

0.09 (35 bp)d

No

[38]

1

c.43 T > A

p.Leu15Met

0.00

0.00

0.02

0.12 (37 bp)d

No

This study

1

c.43 T > C

p.Leu15 = 

0.00

0.00

0.03

0.14 (37 bp)d

No

This study

1

c.43 T > G

p.Leu15Val

0.00

0.00

0.38 (1 bp)

0.00

No

This study

1

c.55G > A

p.Gly19Ser

0.00

0.00

0.36 (49 bp)

0.40 (0 bp)

Yes (Intron 1 retentione/normally spliced: 1/9.03)

This study

1

c.55G > C

p.Gly19Arg

0.00

0.00

0.33 (49 bp)

0.34 (0 bp)

Yes (Intron 1 retentione/normally spliced: 1/21.72)

This study

1

c.55G > T

p.Gly19Cys

0.00

0.00

0.37 (49 bp)

0.51 (0 bp)

Yes (Intron 1 retentione/normally spliced: 1/9.38)

This study

2

c.56G > A

p.Gly19Asp

0.01

0.10 (0 bp)

0.00

0.07

No

This study

2

c.56G > C

p.Gly19Ala

0.01

0.40 (0 bp)

0.00

0.29 (−31 bp)

Yes (E2 skipping/normally spliced: 1/1.32)

This study

2

c.56G > T

p.Gly19Val

0.01

0.61 (0 bp)

0.00

0.46 (−31 bp)

Yes (E2 skipping/normally spliced: 2.97/1)

This study

2

c.65G > T

p.Gly22Val

0.00

0.31 (9 bp)

0.00

0.17 (−22 bp)

Yes (E2 skipping/normally spliced: 1/5.16)

This study

2

c.75C > T

p.Ser25 = 

0.00

0.02

0.00

0.02

No

[38]

2

c.80G > T

p.Gly27Val

0.00

0.09

0.61 (2 bp)

0.10 (−7 bp)

No

This study

2

c.84A > C

p.Arg28Ser

0.00

0.01

0.00

0.00

No

This study

2

c.84A > G

p.Arg28 = 

0.00

0.49 (28 bp)

0.00

0.25 (−3 bp)

Yes (E2 skipping/normally spliced: 10.80/1)

This study

2

c.84A > T

p.Arg28Ser

0.00

0.04

0.01

0.02

No

This study

2

c.85G > T

p.Glu29*

0.00

0.25 (29 bp)

0.00

0.17 (−2 bp)

No

This study

2

c.86A > C

p.Glu29Ala

0.00

0.51 (30 bp)

0.01

0.23 (−1 bp)

No

This study

2

c.86A > G

p.Glu29Gly

0.00

0.84 (30 bp)

0.00

0.67 (−1 bp)

Yes (E2 skipping/normally spliced: 4.13/1)

This study

2

c.86A > T

p.Glu29Val

0.00

0.81 (30 bp)

0.00

0.58 (−1 bp)

Yes (E2 skipping/normally spliced: 1/5.31)

This study

2

c.87G > A

p.Glu29 = 

0.00

0.87 (31 bp)

0.00

0.92 (0 bp)

Yes (Complete E2 skipping)

This study

2

c.87G > C

p.Glu29Asp

0.00

0.84 (31 bp)

0.01

0.93 (0 bp)

Yes (Complete E2 skipping)

This study

2

c.87G > T

p.Glu29Asp

0.00

0.88 (31 bp)

0.00

0.93 (0 bp)

Yes (Complete E2 skipping)

This study

3

c.88G > A

p.Ala30Thr

0.00

0.00

0.00

0.00

No

This study

3

c.88G > C

p.Ala30Pro

0.00

0.00

0.00

0.00

No

This study

3

c.88G > T

p.Ala30Ser

0.00

0.01

0.00

0.00

No

This study

3

c.101A > G

p.Asn34Ser

0.00

0.00

0.00

0.00

No

[38]

3

c.110A > G

p.Asn37Ser

0.00

0.00

0.00

0.00

No

[38]

3

c.123G > C

p.Lys41Asn

0.00

0.00

0.00

0.00

No

[38]

3

c.126A > G

p.Ile42Met

0.00

0.00

0.00

0.00

No

[38]

3

c.133C > T

p.Pro45Ser

0.00

0.00

0.00

0.00

No

[38]

3

c.137 T > A

p.Val46Asp

0.00

0.00

0.00

0.00

No

[38]

3

c.143G > A

p.Gly48Glu

0.00

0.00

0.00

0.00

No

[38]

3

c.150 T > G

p.Asp50Glu

0.00

0.00

0.00

0.00

No

[38]

3

c.160 T > C

p.Tyr54His

0.00

0.00

0.00

0.00

No

[38]

3

c.163C > T

p.Pro55Ser

0.00

0.00

0.00

0.00

No

[38]

3

c.174C > T

p.Cys58 = 

0.00

0.00

0.00

0.00

No

[38]

3

c.178 T > G

p.Leu60Val

0.00

0.00

0.26 (1 bp)

0.00

No

This study

3

c.190A > G

p.Asn64Asp

0.00

0.00

0.00

0.00

No

[38]

3

c.193C > T

p.Arg65Trp

0.00

0.00

0.00

0.00

No

[38]

3

c.194G > A

p.Arg65Gln

0.00

0.00

0.00

0.00

No

[8]

3

c.194G > C

p.Arg65Pro

0.00

0.00

0.00

0.00

No

This study

3

c.194G > T

p.Arg65Leu

0.00

0.00

0.00

0.00

No

This study

4

c.195G > A

p.Arg65 = 

0.00

0.03

0.00

0.00

No

This study

4

c.195G > C

p.Arg65 = 

0.00

0.10 (0 bp)

0.00

0.00

No

This study

4

c.195G > T

p.Arg65 = 

0.00

0.23 (0 bp)

0.00

0.00

No

This study

4

c.198A > C

p.Lys66Asn

0.01

0.00

0.00

0.00

No

[38]

4

c.199C > T

p.Arg67Cys

0.00

0.01

0.00

0.00

No

[38]

4

c.200G > A

p.Arg67His

0.00

0.00

0.00

0.00

No

[38]

4

c.203A > G

p.Gln68Arg

0.01

0.00

0.00

0.00

No

[38]

4

c.206C > T

p.Thr69Ile

0.00

0.01

0.00

0.00

No

[38]

4

c.231G > A

p.Gly77 = 

0.01

0.00

0.00

0.00

No

[38]

4

c.236G > T

p.Cys79Phe

0.00

0.02

0.00

0.00

No

[38]

  1. AG, acceptor gain; AL, acceptor loss; DG, donor gain; DL, donor loss; FLGSA, full-length gene splicing assay; SNVs, single-nucleotide variants
  2. aSPINK1 mRNA reference sequence: NM_001379610.1
  3. bInformation in parentheses indicates pre-mRNA positions associated with variants exhibiting a Δ score ≥ 0.10. Positive and negative positions reflect locations 5’ (upstream) and 3’ (downstream) relative to the variant, in accordance with the gene's sense strand orientation
  4. cInformation in parentheses indicates the ratio of aberrantly spliced to normally spliced transcripts when a variant results in both normally and aberrantly spliced transcripts. This ratio is provided as a rough estimation (refer to the main text for detailed information)
  5. dConsidered not to be physiologically relevant as the predicted donor loss is situated within exon 1 of the SPINK1 gene
  6. eRetention of the first 140 bases of intron 1