8-85329808-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001128831.4(CA1):ā€‹c.550A>Gā€‹(p.Thr184Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000932 in 1,599,546 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.00014 ( 0 hom., cov: 32)
Exomes š‘“: 0.000088 ( 0 hom. )

Consequence

CA1
NM_001128831.4 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.262
Variant links:
Genes affected
CA1 (HGNC:1368): (carbonic anhydrase 1) Carbonic anhydrases (CAs) are a large family of zinc metalloenzymes that catalyze the reversible hydration of carbon dioxide. They participate in a variety of biological processes, including respiration, calcification, acid-base balance, bone resorption, and the formation of aqueous humor, cerebrospinal fluid, saliva and gastric acid. They show extensive diversity in tissue distribution and in their subcellular localization. This CA1 gene is closely linked to the CA2 and CA3 genes on chromosome 8. It encodes a cytosolic protein that is found at the highest level in erythrocytes. Allelic variants of this gene have been described in some populations. Alternative splicing and the use of alternative promoters results in multiple transcript variants. [provided by RefSeq, Nov 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.084625214).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CA1NM_001128831.4 linkuse as main transcriptc.550A>G p.Thr184Ala missense_variant 7/8 ENST00000523022.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CA1ENST00000523022.6 linkuse as main transcriptc.550A>G p.Thr184Ala missense_variant 7/81 NM_001128831.4 P1

Frequencies

GnomAD3 genomes
AF:
0.000139
AC:
21
AN:
151578
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000527
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:
0.000177
Gnomad OTH
AF:
0.000479
GnomAD3 exomes
AF:
0.000174
AC:
40
AN:
229578
Hom.:
0
AF XY:
0.000130
AC XY:
16
AN XY:
123258
show subpopulations
Gnomad AFR exome
AF:
0.0000697
Gnomad AMR exome
AF:
0.000608
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:
0.000168
Gnomad OTH exome
AF:
0.000349
GnomAD4 exome
AF:
0.0000884
AC:
128
AN:
1447968
Hom.:
0
Cov.:
30
AF XY:
0.0000807
AC XY:
58
AN XY:
718896
show subpopulations
Gnomad4 AFR exome
AF:
0.0000301
Gnomad4 AMR exome
AF:
0.000507
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:
0.0000806
Gnomad4 OTH exome
AF:
0.000234
GnomAD4 genome
AF:
0.000139
AC:
21
AN:
151578
Hom.:
0
Cov.:
32
AF XY:
0.000135
AC XY:
10
AN XY:
73986
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000527
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000177
Gnomad4 OTH
AF:
0.000479
Alfa
AF:
0.0000759
Hom.:
0
Bravo
AF:
0.000196
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000349
AC:
3
ExAC
AF:
0.000132
AC:
16

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 GeneticsJul 15, 2021The c.550A>G (p.T184A) alteration is located in exon 8 (coding exon 6) of the CA1 gene. This alteration results from a A to G substitution at nucleotide position 550, causing the threonine (T) at amino acid position 184 to be replaced by an alanine (A). 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
0.092
BayesDel_addAF
Benign
-0.42
T
BayesDel_noAF
Benign
-0.50
CADD
Benign
0.90
DANN
Benign
0.94
DEOGEN2
Benign
0.0031
T;T;T;T;T;T;T;.;T;.
Eigen
Benign
-0.84
Eigen_PC
Benign
-0.95
FATHMM_MKL
Benign
0.085
N
LIST_S2
Benign
0.54
.;.;.;.;T;T;T;T;T;T
M_CAP
Benign
0.0038
T
MetaRNN
Benign
0.085
T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.93
.;L;L;L;L;.;.;.;.;.
MutationTaster
Benign
1.0
N;N;N;N;N;N;N
PrimateAI
Benign
0.25
T
PROVEAN
Benign
-0.50
.;N;N;N;N;N;N;N;N;N
REVEL
Benign
0.039
Sift
Benign
0.11
.;T;T;T;T;T;T;T;T;T
Sift4G
Benign
0.85
T;T;T;T;T;T;.;T;.;.
Polyphen
0.0080
.;B;B;B;B;.;.;.;.;.
Vest4
0.21
MVP
0.62
MPC
0.032
ClinPred
0.012
T
GERP RS
-2.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.12
gMVP
0.23

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: rs142569626; hg19: chr8-86242037; API