2-72132389-A-G

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_019885.4(CYP26B1):ā€‹c.1377T>Cā€‹(p.Ala459=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0616 in 1,610,962 control chromosomes in the GnomAD database, including 5,285 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (ā˜…ā˜…).

Frequency

Genomes: š‘“ 0.10 ( 1298 hom., cov: 33)
Exomes š‘“: 0.057 ( 3987 hom. )

Consequence

CYP26B1
NM_019885.4 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 2.97
Variant links:
Genes affected
CYP26B1 (HGNC:20581): (cytochrome P450 family 26 subfamily B member 1) This gene encodes a member of the cytochrome P450 superfamily. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. The encoded protein is localized to the endoplasmic reticulum, and functions as a critical regulator of all-trans retinoic acid levels by the specific inactivation of all-trans retinoic acid to hydroxylated forms. Mutations in this gene are associated with radiohumeral fusions and other skeletal and craniofacial anomalies, and increased levels of the encoded protein are associated with atherosclerotic lesions. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2013]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.63).
BP6
Variant 2-72132389-A-G is Benign according to our data. Variant chr2-72132389-A-G is described in ClinVar as [Benign]. Clinvar id is 1266263.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=2.97 with no splicing effect.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.212 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CYP26B1NM_019885.4 linkuse as main transcriptc.1377T>C p.Ala459= synonymous_variant 6/6 ENST00000001146.7 NP_063938.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CYP26B1ENST00000001146.7 linkuse as main transcriptc.1377T>C p.Ala459= synonymous_variant 6/61 NM_019885.4 ENSP00000001146 P1Q9NR63-1
CYP26B1ENST00000546307.5 linkuse as main transcriptc.1152T>C p.Ala384= synonymous_variant 5/51 ENSP00000443304 Q9NR63-2
CYP26B1ENST00000412253.1 linkuse as main transcriptc.804T>C p.Ala268= synonymous_variant 5/51 ENSP00000401465

Frequencies

GnomAD3 genomes
AF:
0.102
AC:
15450
AN:
152104
Hom.:
1281
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.215
Gnomad AMI
AF:
0.0208
Gnomad AMR
AF:
0.144
Gnomad ASJ
AF:
0.0559
Gnomad EAS
AF:
0.0529
Gnomad SAS
AF:
0.0534
Gnomad FIN
AF:
0.0323
Gnomad MID
AF:
0.0665
Gnomad NFE
AF:
0.0451
Gnomad OTH
AF:
0.0867
GnomAD3 exomes
AF:
0.0844
AC:
20830
AN:
246832
Hom.:
1821
AF XY:
0.0748
AC XY:
10025
AN XY:
134106
show subpopulations
Gnomad AFR exome
AF:
0.214
Gnomad AMR exome
AF:
0.261
Gnomad ASJ exome
AF:
0.0612
Gnomad EAS exome
AF:
0.0468
Gnomad SAS exome
AF:
0.0506
Gnomad FIN exome
AF:
0.0324
Gnomad NFE exome
AF:
0.0406
Gnomad OTH exome
AF:
0.0688
GnomAD4 exome
AF:
0.0574
AC:
83711
AN:
1458740
Hom.:
3987
Cov.:
32
AF XY:
0.0558
AC XY:
40472
AN XY:
725326
show subpopulations
Gnomad4 AFR exome
AF:
0.217
Gnomad4 AMR exome
AF:
0.249
Gnomad4 ASJ exome
AF:
0.0612
Gnomad4 EAS exome
AF:
0.0472
Gnomad4 SAS exome
AF:
0.0532
Gnomad4 FIN exome
AF:
0.0350
Gnomad4 NFE exome
AF:
0.0462
Gnomad4 OTH exome
AF:
0.0651
GnomAD4 genome
AF:
0.102
AC:
15496
AN:
152222
Hom.:
1298
Cov.:
33
AF XY:
0.0995
AC XY:
7403
AN XY:
74424
show subpopulations
Gnomad4 AFR
AF:
0.215
Gnomad4 AMR
AF:
0.144
Gnomad4 ASJ
AF:
0.0559
Gnomad4 EAS
AF:
0.0526
Gnomad4 SAS
AF:
0.0530
Gnomad4 FIN
AF:
0.0323
Gnomad4 NFE
AF:
0.0451
Gnomad4 OTH
AF:
0.0853
Alfa
AF:
0.0685
Hom.:
302
Bravo
AF:
0.118
Asia WGS
AF:
0.0550
AC:
191
AN:
3478
EpiCase
AF:
0.0428
EpiControl
AF:
0.0436

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:3
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 31, 2024- -
Benign, criteria provided, single submitterclinical testingGeneDxNov 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
-0.63
CADD
Benign
8.4
DANN
Benign
0.69

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: rs12478279; hg19: chr2-72359518; API