rs1056837

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_000104.4(CYP1B1):​c.1347T>C​(p.Asp449Asp) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.577 in 1,613,842 control chromosomes in the GnomAD database, including 278,938 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.51 ( 22657 hom., cov: 32)
Exomes 𝑓: 0.58 ( 256281 hom. )

Consequence

CYP1B1
NM_000104.4 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:11

Conservation

PhyloP100: -0.811

Publications

106 publications found
Variant links:
Genes affected
CYP1B1 (HGNC:2597): (cytochrome P450 family 1 subfamily B member 1) This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. The enzyme encoded by this gene localizes to the endoplasmic reticulum and metabolizes procarcinogens such as polycyclic aromatic hydrocarbons and 17beta-estradiol. Mutations in this gene have been associated with primary congenital glaucoma; therefore it is thought that the enzyme also metabolizes a signaling molecule involved in eye development, possibly a steroid. [provided by RefSeq, Jul 2008]
CYP1B1 Gene-Disease associations (from GenCC):
  • CYP1B1-related glaucoma with or without anterior segment dysgenesis
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen, Ambry Genetics
  • glaucoma 3A
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine, G2P
  • anterior segment dysgenesis 6
    Inheritance: AD Classification: STRONG Submitted by: PanelApp Australia
  • congenital glaucoma
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • Peters anomaly
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

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=-0.92).
BP6
Variant 2-38071007-A-G is Benign according to our data. Variant chr2-38071007-A-G is described in ClinVar as Benign. ClinVar VariationId is 166970.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-0.811 with no splicing effect.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.867 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CYP1B1NM_000104.4 linkc.1347T>C p.Asp449Asp synonymous_variant Exon 3 of 3 ENST00000610745.5 NP_000095.2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CYP1B1ENST00000610745.5 linkc.1347T>C p.Asp449Asp synonymous_variant Exon 3 of 3 1 NM_000104.4 ENSP00000478561.1 Q16678

Frequencies

GnomAD3 genomes
AF:
0.514
AC:
78162
AN:
151956
Hom.:
22655
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.248
Gnomad AMI
AF:
0.643
Gnomad AMR
AF:
0.686
Gnomad ASJ
AF:
0.488
Gnomad EAS
AF:
0.889
Gnomad SAS
AF:
0.800
Gnomad FIN
AF:
0.640
Gnomad MID
AF:
0.633
Gnomad NFE
AF:
0.567
Gnomad OTH
AF:
0.561
GnomAD2 exomes
AF:
0.634
AC:
159422
AN:
251432
AF XY:
0.643
show subpopulations
Gnomad AFR exome
AF:
0.245
Gnomad AMR exome
AF:
0.785
Gnomad ASJ exome
AF:
0.508
Gnomad EAS exome
AF:
0.901
Gnomad FIN exome
AF:
0.635
Gnomad NFE exome
AF:
0.570
Gnomad OTH exome
AF:
0.634
GnomAD4 exome
AF:
0.584
AC:
853195
AN:
1461768
Hom.:
256281
Cov.:
75
AF XY:
0.590
AC XY:
429343
AN XY:
727196
show subpopulations
African (AFR)
AF:
0.243
AC:
8136
AN:
33478
American (AMR)
AF:
0.772
AC:
34517
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.509
AC:
13296
AN:
26132
East Asian (EAS)
AF:
0.875
AC:
34741
AN:
39700
South Asian (SAS)
AF:
0.780
AC:
67318
AN:
86254
European-Finnish (FIN)
AF:
0.633
AC:
33839
AN:
53418
Middle Eastern (MID)
AF:
0.661
AC:
3811
AN:
5768
European-Non Finnish (NFE)
AF:
0.559
AC:
621828
AN:
1111900
Other (OTH)
AF:
0.591
AC:
35709
AN:
60394
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.472
Heterozygous variant carriers
0
21559
43118
64678
86237
107796
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
17414
34828
52242
69656
87070
<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:
0.514
AC:
78186
AN:
152074
Hom.:
22657
Cov.:
32
AF XY:
0.528
AC XY:
39236
AN XY:
74324
show subpopulations
African (AFR)
AF:
0.248
AC:
10287
AN:
41484
American (AMR)
AF:
0.686
AC:
10485
AN:
15290
Ashkenazi Jewish (ASJ)
AF:
0.488
AC:
1692
AN:
3466
East Asian (EAS)
AF:
0.889
AC:
4602
AN:
5178
South Asian (SAS)
AF:
0.801
AC:
3846
AN:
4804
European-Finnish (FIN)
AF:
0.640
AC:
6762
AN:
10564
Middle Eastern (MID)
AF:
0.619
AC:
182
AN:
294
European-Non Finnish (NFE)
AF:
0.567
AC:
38554
AN:
67972
Other (OTH)
AF:
0.564
AC:
1191
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.504
Heterozygous variant carriers
0
1715
3431
5146
6862
8577
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
682
1364
2046
2728
3410
<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:
0.557
Hom.:
80293
Bravo
AF:
0.504
Asia WGS
AF:
0.793
AC:
2756
AN:
3478
EpiCase
AF:
0.575
EpiControl
AF:
0.579

ClinVar

Significance: Benign
Submissions summary: Benign:11
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:4
-
Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

-
Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

-
PreventionGenetics, part of Exact Sciences
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Nov 05, 2013
Eurofins Ntd Llc (ga)
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Glaucoma 3A Benign:2
Jan 13, 2018
Illumina Laboratory Services, Illumina
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Jul 30, 2021
Genome-Nilou Lab
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not provided Benign:2
-
Breakthrough Genomics, Breakthrough Genomics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Mar 03, 2015
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Anterior segment dysgenesis 6 Benign:1
Jul 30, 2021
Genome-Nilou Lab
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Irido-corneo-trabecular dysgenesis Benign:1
Jan 13, 2018
Illumina Laboratory Services, Illumina
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Congenital glaucoma Benign:1
Feb 03, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: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
-0.92
CADD
Benign
0.66
DANN
Benign
0.34
PhyloP100
-0.81
Mutation Taster
=100/0
polymorphism (auto)

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

Other links and lift over

dbSNP: rs1056837; hg19: chr2-38298150; COSMIC: COSV52226737; COSMIC: COSV52226737; API