NM_001384910.1:c.567C>T

Variant names:

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_001384910.1(GUCA1A):c.567C>T(p.Asp189Asp) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00249 in 1,611,224 control chromosomes in the GnomAD database, including 55 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.012 ( 31 hom., cov: 32)

Exomes 𝑓: 0.0015 ( 24 hom. )

Consequence

GUCA1A
NM_001384910.1 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: -1.98

Publications

1 publications found

Variant links:

Genes affected

GUCA1A (HGNC:4678): (guanylate cyclase activator 1A) This gene encodes an enzyme that plays a role in the recovery of retinal photoreceptors from photobleaching. This enzyme promotes the activity of retinal guanylyl cyclase-1 (GC1) at low calcium concentrations and inhibits GC1 at high calcium concentrations. Mutations in this gene can cause cone dystrophy 3 and code-rod dystrophy 14. provided by RefSeq, Jul 2020]

GUCA1A links:

GUCA1ANB-GUCA1A (HGNC:56129): (GUCA1ANB-GUCA1A readthrough) This locus represents naturally occurring readthrough transcription between the neighboring GUCA1ANB (GUCA1A neighbor) and GUCA1A (guanylate cyclase activator 1A) genes on chromosome 6. The readthrough transcript encodes the same protein as GUCA1A. [provided by RefSeq, Jul 2020]

GUCA1ANB-GUCA1A links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.81).

BP6

Variant 6-42179364-C-T is Benign according to our data. Variant chr6-42179364-C-T is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 256032.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-1.98 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.0119 (1812/152304) while in subpopulation AFR AF = 0.0394 (1639/41552). AF 95% confidence interval is 0.0379. There are 31 homozygotes in GnomAd4. There are 839 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High AC in GnomAd4 at 1812 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein
GUCA1A	NM_001384910.1 link	c.567C>T	p.Asp189Asp	synonymous_variant	Exon 4 of 4	ENST00000372958.2	NP_001371839.1
GUCA1ANB-GUCA1A	NM_000409.5 link	c.567C>T	p.Asp189Asp	synonymous_variant	Exon 6 of 6		NP_000400.2
GUCA1ANB-GUCA1A	NM_001319061.2 link	c.567C>T	p.Asp189Asp	synonymous_variant	Exon 6 of 6		NP_001305990.1
GUCA1ANB-GUCA1A	NM_001319062.2 link	c.567C>T	p.Asp189Asp	synonymous_variant	Exon 5 of 5		NP_001305991.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GUCA1A	ENST00000372958.2 link	c.567C>T	p.Asp189Asp	synonymous_variant	Exon 4 of 4	1	NM_001384910.1	ENSP00000362049.1
GUCA1ANB-GUCA1A	ENST00000654459.1 link	c.567C>T	p.Asp189Asp	synonymous_variant	Exon 5 of 5			ENSP00000499539.1

Frequencies

GnomAD3 genomes

AF:

0.0119

AC:

1806

AN:

152186

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0394

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00700

Gnomad ASJ

AF:

0.00115

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00633

Gnomad NFE

AF:

0.000353

Gnomad OTH

AF:

0.0167

GnomAD2 exomes

AF:

0.00337

AC:

827

AN:

245350

AF XY:

0.00257

show subpopulations

Gnomad AFR exome

AF:

0.0389

Gnomad AMR exome

AF:

0.00364

Gnomad ASJ exome

AF:

0.000305

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000580

Gnomad OTH exome

AF:

0.00449

GnomAD4 exome

AF:

0.00150

AC:

2195

AN:

1458920

Hom.:

Cov.:

AF XY:

0.00134

AC XY:

969

AN XY:

725416

show subpopulations

African (AFR)

AF:

0.0391

AC:

1307

AN:

33414

American (AMR)

AF:

0.00390

AC:

173

AN:

44414

Ashkenazi Jewish (ASJ)

AF:

0.000615

AC:

AN:

26014

East Asian (EAS)

AF:

0.00

AC:

AN:

39626

South Asian (SAS)

AF:

0.0000931

AC:

AN:

85966

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53156

Middle Eastern (MID)

AF:

0.00869

AC:

AN:

5754

European-Non Finnish (NFE)

AF:

0.000362

AC:

402

AN:

1110326

Other (OTH)

AF:

0.00397

AC:

239

AN:

60250

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.473

Heterozygous variant carriers

102

204

305

407

509

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

104

156

208

260

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0119

AC:

1812

AN:

152304

Hom.:

Cov.:

AF XY:

0.0113

AC XY:

839

AN XY:

74474

show subpopulations

African (AFR)

AF:

0.0394

AC:

1639

AN:

41552

American (AMR)

AF:

0.00699

AC:

107

AN:

15304

Ashkenazi Jewish (ASJ)

AF:

0.00115

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5186

South Asian (SAS)

AF:

0.000207

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00680

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000353

AC:

AN:

68030

Other (OTH)

AF:

0.0166

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.497

Heterozygous variant carriers

176

263

351

439

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

100

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.0101

Hom.:

Bravo

AF:

0.0132

Asia WGS

AF:

0.00520

AC:

AN:

3478

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:7

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:3

Feb 03, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Feb 17, 2021

GeneDx

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Breakthrough Genomics, Breakthrough Genomics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

not specified

Benign:1

PreventionGenetics, part of Exact Sciences

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Cone dystrophy 3

Benign:1

Apr 27, 2017

Illumina Laboratory Services, Illumina

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to determine this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

Retinitis Pigmentosa, Dominant

Benign:1

Jun 14, 2016

Illumina Laboratory Services, Illumina

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Cone dystrophy

Benign:1

Jun 14, 2016

Illumina Laboratory Services, Illumina

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.81

CADD

Benign

0.24

(source)

DANN

Benign

0.61

PhyloP100

-2.0

Mutation Taster

=100/0

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over