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GeneBe

5-6633736-G-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001047.4(SRD5A1):c.160G>A(p.Ala54Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000027 in 1,594,522 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000029 ( 0 hom. )

Consequence

SRD5A1
NM_001047.4 missense

Scores

1
18

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.913
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 Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.050760746).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SRD5A1NM_001047.4 linkuse as main transcriptc.160G>A p.Ala54Thr missense_variant 1/5 ENST00000274192.7
SRD5A1NM_001324322.2 linkuse as main transcriptc.186G>A p.Gly62= synonymous_variant 1/4
SRD5A1NM_001324323.2 linkuse as main transcriptc.-562G>A 5_prime_UTR_variant 1/6
SRD5A1NR_136739.2 linkuse as main transcriptn.297G>A non_coding_transcript_exon_variant 1/6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SRD5A1ENST00000274192.7 linkuse as main transcriptc.160G>A p.Ala54Thr missense_variant 1/51 NM_001047.4 P1
SRD5A1ENST00000504286.2 linkuse as main transcriptc.160G>A p.Ala54Thr missense_variant, NMD_transcript_variant 1/62
SRD5A1ENST00000513117.1 linkuse as main transcriptc.160G>A p.Ala54Thr missense_variant, NMD_transcript_variant 1/42
SRD5A1ENST00000510531.6 linkuse as main transcriptc.160G>A p.Ala54Thr missense_variant, NMD_transcript_variant 1/62

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152200
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:
0.0000139
AC:
3
AN:
215150
Hom.:
0
AF XY:
0.0000166
AC XY:
2
AN XY:
120206
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:
0.0000312
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000291
AC:
42
AN:
1442322
Hom.:
0
Cov.:
35
AF XY:
0.0000223
AC XY:
16
AN XY:
717580
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000378
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152200
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74358
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
Bravo
AF:
0.0000113
ExAC
AF:
0.00000866
AC:
1

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 GeneticsSep 25, 2023The c.160G>A (p.A54T) alteration is located in exon 1 (coding exon 1) of the SRD5A1 gene. This alteration results from a G to A substitution at nucleotide position 160, causing the alanine (A) at amino acid position 54 to be replaced by a threonine (T). 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
0.095
BayesDel_addAF
Benign
-0.31
T
BayesDel_noAF
Benign
-0.69
Cadd
Benign
11
Dann
Benign
0.96
DEOGEN2
Benign
0.091
T
Eigen
Benign
-1.0
Eigen_PC
Benign
-1.1
FATHMM_MKL
Benign
0.010
N
LIST_S2
Benign
0.62
T
M_CAP
Benign
0.012
T
MetaRNN
Benign
0.051
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.65
N
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Uncertain
0.64
T
PROVEAN
Benign
-0.61
N
REVEL
Benign
0.022
Sift
Benign
0.32
T
Sift4G
Benign
0.35
T
Polyphen
0.0020
B
Vest4
0.068
MutPred
0.38
Loss of methylation at R53 (P = 0.1056);
MVP
0.19
MPC
0.49
ClinPred
0.052
T
GERP RS
-0.89
Varity_R
0.045
gMVP
0.30

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: rs751048453; hg19: chr5-6633849; API