5-6633581-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001324322.2(SRD5A1):​c.31C>T​(p.Gln11*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000366 in 1,365,268 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 34)
Exomes 𝑓: 0.0000037 ( 0 hom. )

Consequence

SRD5A1
NM_001324322.2 stop_gained

Scores

2
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.0390
Variant links:
Genes affected
SRD5A1 (HGNC:11284): (steroid 5 alpha-reductase 1) Steroid 5-alpha-reductase (EC 1.3.99.5) catalyzes the conversion of testosterone into the more potent androgen, dihydrotestosterone (DHT). Also see SRD5A2 (MIM 607306).[supplied by OMIM, Mar 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SRD5A1NM_001047.4 linkc.5C>T p.Ala2Val missense_variant Exon 1 of 5 ENST00000274192.7 NP_001038.1 P18405
SRD5A1NM_001324322.2 linkc.31C>T p.Gln11* stop_gained Exon 1 of 4 NP_001311251.1 P18405
SRD5A1NM_001324323.2 linkc.-717C>T 5_prime_UTR_variant Exon 1 of 6 NP_001311252.1 P18405B7Z4D8
SRD5A1NR_136739.2 linkn.142C>T non_coding_transcript_exon_variant Exon 1 of 6

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SRD5A1ENST00000274192.7 linkc.5C>T p.Ala2Val missense_variant Exon 1 of 5 1 NM_001047.4 ENSP00000274192.5 P18405
SRD5A1ENST00000504286.1 linkn.126C>T non_coding_transcript_exon_variant Exon 1 of 3 2 ENSP00000518753.1
SRD5A1ENST00000510531.5 linkn.5C>T non_coding_transcript_exon_variant Exon 1 of 6 2 ENSP00000425330.1 D6RDL6
SRD5A1ENST00000513117.1 linkn.5C>T non_coding_transcript_exon_variant Exon 1 of 4 2 ENSP00000421342.1 D6RG03

Frequencies

GnomAD3 genomes
Cov.:
34
GnomAD3 exomes
AF:
0.0000176
AC:
2
AN:
113554
Hom.:
0
AF XY:
0.0000318
AC XY:
2
AN XY:
62848
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:
0.0000973
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000366
AC:
5
AN:
1365268
Hom.:
0
Cov.:
30
AF XY:
0.00000743
AC XY:
5
AN XY:
673120
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000517
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000176
GnomAD4 genome
Cov.:
34
Bravo
AF:
0.00000378

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Nov 09, 2021
Ambry Genetics
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

The c.5C>T (p.A2V) alteration is located in exon 1 (coding exon 1) of the SRD5A1 gene. This alteration results from a C to T substitution at nucleotide position 5, causing the alanine (A) at amino acid position 2 to be replaced by a valine (V). 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
0.19
BayesDel_addAF
Benign
-0.25
T
BayesDel_noAF
Benign
-0.60
CADD
Benign
14
DANN
Uncertain
0.98
DEOGEN2
Benign
0.077
T
Eigen
Benign
-1.0
Eigen_PC
Benign
-1.2
FATHMM_MKL
Benign
0.011
N
LIST_S2
Benign
0.49
T
MetaRNN
Benign
0.090
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.20
N
PrimateAI
Uncertain
0.56
T
PROVEAN
Benign
0.030
N
REVEL
Benign
0.017
Sift
Benign
0.38
T
Sift4G
Benign
0.086
T
Polyphen
0.18
B
Vest4
0.11
MutPred
0.18
Gain of sheet (P = 0.0266);
MVP
0.20
MPC
0.91
ClinPred
0.14
T
GERP RS
-2.0
Varity_R
0.026
gMVP
0.53

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs1268528998; hg19: chr5-6633694; API