19-11541101-G-A

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_001299.6(CNN1):​c.89G>A​(p.Arg30Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000472 in 1,610,946 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000050 ( 0 hom. )

Consequence

CNN1
NM_001299.6 missense

Scores

4
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.04
Variant links:
Genes affected
CNN1 (HGNC:2155): (calponin 1) Predicted to enable actin binding activity. Involved in negative regulation of vascular associated smooth muscle cell proliferation. Located in cytoskeleton. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.11593905).
BS2
High AC in GnomAdExome4 at 73 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CNN1NM_001299.6 linkc.89G>A p.Arg30Gln missense_variant 2/7 ENST00000252456.7 NP_001290.2 P51911-1V9HWA5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CNN1ENST00000252456.7 linkc.89G>A p.Arg30Gln missense_variant 2/71 NM_001299.6 ENSP00000252456.1 P51911-1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152152
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000364
AC:
9
AN:
247004
Hom.:
0
AF XY:
0.0000224
AC XY:
3
AN XY:
133764
show subpopulations
Gnomad AFR exome
AF:
0.0000628
Gnomad AMR exome
AF:
0.000176
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:
0.0000179
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000500
AC:
73
AN:
1458794
Hom.:
0
Cov.:
31
AF XY:
0.0000413
AC XY:
30
AN XY:
725768
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000158
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000585
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152152
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74332
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.0000655
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000282
Hom.:
0
Bravo
AF:
0.0000227
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ExAC
AF:
0.0000412
AC:
5

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsFeb 23, 2023The c.89G>A (p.R30Q) alteration is located in exon 2 (coding exon 2) of the CNN1 gene. This alteration results from a G to A substitution at nucleotide position 89, causing the arginine (R) at amino acid position 30 to be replaced by a glutamine (Q). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.15
BayesDel_addAF
Benign
-0.32
T
BayesDel_noAF
Benign
-0.42
CADD
Benign
23
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.52
D;.
Eigen
Benign
-0.36
Eigen_PC
Benign
-0.17
FATHMM_MKL
Benign
0.75
D
LIST_S2
Uncertain
0.89
D;T
M_CAP
Benign
0.011
T
MetaRNN
Benign
0.12
T;T
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
0.025
N;.
PrimateAI
Uncertain
0.53
T
PROVEAN
Benign
-0.98
N;.
REVEL
Benign
0.065
Sift
Benign
0.50
T;.
Sift4G
Benign
0.54
T;T
Polyphen
0.077
B;.
Vest4
0.33
MutPred
0.51
Gain of ubiquitination at K25 (P = 0.0571);.;
MVP
0.61
MPC
0.61
ClinPred
0.037
T
GERP RS
4.0
Varity_R
0.051
gMVP
0.27

Splicing

Name
Calibrated prediction
Score
Prediction
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: rs201339097; hg19: chr19-11651916; API