19-18753490-A-G

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_015321.3(CRTC1):​c.539-10A>G variant causes a splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00138 in 1,594,552 control chromosomes in the GnomAD database, including 28 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0073 ( 11 hom., cov: 31)
Exomes 𝑓: 0.00075 ( 17 hom. )

Consequence

CRTC1
NM_015321.3 splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.00004676
2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -2.29
Variant links:
Genes affected
CRTC1 (HGNC:16062): (CREB regulated transcription coactivator 1) Enables cAMP response element binding protein binding activity. Involved in positive regulation of transcription by RNA polymerase II. Located in cytosol; nuclear body; and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.85).
BP6
Variant 19-18753490-A-G is Benign according to our data. Variant chr19-18753490-A-G is described in ClinVar as [Benign]. Clinvar id is 788814.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00733 (1108/151062) while in subpopulation AFR AF= 0.0258 (1060/41034). AF 95% confidence interval is 0.0245. There are 11 homozygotes in gnomad4. There are 520 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.
BS2
High AC in GnomAd4 at 1108 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CRTC1NM_015321.3 linkuse as main transcriptc.539-10A>G splice_polypyrimidine_tract_variant, intron_variant ENST00000321949.13 NP_056136.2
CRTC1NM_001098482.2 linkuse as main transcriptc.587-10A>G splice_polypyrimidine_tract_variant, intron_variant NP_001091952.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CRTC1ENST00000321949.13 linkuse as main transcriptc.539-10A>G splice_polypyrimidine_tract_variant, intron_variant 1 NM_015321.3 ENSP00000323332 A1Q6UUV9-1
CRTC1ENST00000338797.10 linkuse as main transcriptc.587-10A>G splice_polypyrimidine_tract_variant, intron_variant 1 ENSP00000345001 P4Q6UUV9-2
CRTC1ENST00000594658.5 linkuse as main transcriptc.416-10A>G splice_polypyrimidine_tract_variant, intron_variant 1 ENSP00000468893
CRTC1ENST00000601916.1 linkuse as main transcriptc.314-10A>G splice_polypyrimidine_tract_variant, intron_variant 5 ENSP00000469285

Frequencies

GnomAD3 genomes
AF:
0.00734
AC:
1108
AN:
150942
Hom.:
11
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0259
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00238
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000737
Gnomad OTH
AF:
0.00339
GnomAD3 exomes
AF:
0.00182
AC:
434
AN:
238692
Hom.:
6
AF XY:
0.00121
AC XY:
156
AN XY:
129096
show subpopulations
Gnomad AFR exome
AF:
0.0252
Gnomad AMR exome
AF:
0.000744
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000363
Gnomad OTH exome
AF:
0.000859
GnomAD4 exome
AF:
0.000752
AC:
1085
AN:
1443490
Hom.:
17
Cov.:
28
AF XY:
0.000629
AC XY:
452
AN XY:
718388
show subpopulations
Gnomad4 AFR exome
AF:
0.0272
Gnomad4 AMR exome
AF:
0.00111
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000717
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000236
Gnomad4 OTH exome
AF:
0.00196
GnomAD4 genome
AF:
0.00733
AC:
1108
AN:
151062
Hom.:
11
Cov.:
31
AF XY:
0.00706
AC XY:
520
AN XY:
73696
show subpopulations
Gnomad4 AFR
AF:
0.0258
Gnomad4 AMR
AF:
0.00238
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000737
Gnomad4 OTH
AF:
0.00335
Alfa
AF:
0.00512
Hom.:
3
Bravo
AF:
0.00849
Asia WGS
AF:
0.00115
AC:
4
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpFeb 08, 2018- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.85
CADD
Benign
0.32
DANN
Benign
0.31

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000047
dbscSNV1_RF
Benign
0.010
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs140269231; hg19: chr19-18864300; API