rs1185695713

Variant summary

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

The NM_000500.9(CYP21A2):​c.50G>A​(p.Arg17His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,108 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/18 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R17G) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000011 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

CYP21A2
NM_000500.9 missense

Scores

1
16

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.115
Variant links:
Genes affected
CYP21A2 (HGNC:2600): (cytochrome P450 family 21 subfamily A member 2) 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. This protein localizes to the endoplasmic reticulum and hydroxylates steroids at the 21 position. Its activity is required for the synthesis of steroid hormones including cortisol and aldosterone. Mutations in this gene cause congenital adrenal hyperplasia. A related pseudogene is located near this gene; gene conversion events involving the functional gene and the pseudogene are thought to account for many cases of steroid 21-hydroxylase deficiency. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

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=0.22161597).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CYP21A2NM_000500.9 linkc.50G>A p.Arg17His missense_variant Exon 1 of 10 ENST00000644719.2 NP_000491.4 P08686Q16874Q08AG9
CYP21A2NM_001128590.4 linkc.50G>A p.Arg17His missense_variant Exon 1 of 9 NP_001122062.3 P08686Q08AG9
CYP21A2NM_001368143.2 linkc.-375G>A 5_prime_UTR_variant Exon 1 of 10 NP_001355072.1
CYP21A2NM_001368144.2 linkc.-285G>A 5_prime_UTR_variant Exon 1 of 9 NP_001355073.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CYP21A2ENST00000644719.2 linkc.50G>A p.Arg17His missense_variant Exon 1 of 10 NM_000500.9 ENSP00000496625.1 Q16874

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152108
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.0000106
AC:
2
AN:
188424
Hom.:
0
AF XY:
0.00000971
AC XY:
1
AN XY:
102972
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
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:
0.0000258
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.0000105
AC:
15
AN:
1424772
Hom.:
0
Cov.:
108
AF XY:
0.00000283
AC XY:
2
AN XY:
705652
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.0000392
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000121
Gnomad4 FIN exome
AF:
0.0000202
Gnomad4 NFE exome
AF:
0.00000915
Gnomad4 OTH exome
AF:
0.0000339
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152108
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74296
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
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:
0.0000731
Hom.:
0

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Benign
0.0022
T
BayesDel_noAF
Benign
-0.23
CADD
Benign
15
DANN
Uncertain
0.99
DEOGEN2
Benign
0.032
.;.;.;T;.;.
Eigen
Benign
-0.92
Eigen_PC
Benign
-0.89
FATHMM_MKL
Benign
0.024
N
LIST_S2
Benign
0.85
.;.;T;D;.;.
M_CAP
Benign
0.051
D
MetaRNN
Benign
0.22
T;T;T;T;T;T
MetaSVM
Benign
-1.0
T
PrimateAI
Benign
0.41
T
PROVEAN
Benign
-1.0
N;.;N;N;N;.
REVEL
Benign
0.11
Sift
Benign
0.090
T;.;T;T;T;.
Sift4G
Benign
0.24
T;.;T;T;T;.
Polyphen
0.0020
B;B;.;.;.;B
Vest4
0.096
MutPred
0.68
Loss of MoRF binding (P = 0.0062);Loss of MoRF binding (P = 0.0062);Loss of MoRF binding (P = 0.0062);Loss of MoRF binding (P = 0.0062);Loss of MoRF binding (P = 0.0062);Loss of MoRF binding (P = 0.0062);
MVP
0.94
MPC
2.2
ClinPred
0.75
D
GERP RS
-0.98
gMVP
0.31

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: rs1185695713; hg19: chr6-32006249; COSMIC: COSV64488380; COSMIC: COSV64488380; API