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GeneBe

22-50744867-C-T

Variant summary

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

The NM_001097.3(ACR):c.926C>T(p.Pro309Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000025 in 1,600,482 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000048 ( 0 hom., cov: 19)
Exomes 𝑓: 0.000023 ( 0 hom. )

Consequence

ACR
NM_001097.3 missense

Scores

2
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.0140
Variant links:
Genes affected
ACR (HGNC:126): (acrosin) Acrosin is the major proteinase present in the acrosome of mature spermatozoa. It is a typical serine proteinase with trypsin-like specificity. It is stored in the acrosome in its precursor form, proacrosin. The active enzyme functions in the lysis of the zona pellucida, thus facilitating penetration of the sperm through the innermost glycoprotein layers of the ovum. The mRNA for proacrosin is synthesized only in the postmeiotic stages of spermatogenesis. In humans proacrosin first appears in the haploid spermatids. [provided by RefSeq, Jul 2008]

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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=0.15439472).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ACRNM_001097.3 linkuse as main transcriptc.926C>T p.Pro309Leu missense_variant 5/5 ENST00000216139.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ACRENST00000216139.10 linkuse as main transcriptc.926C>T p.Pro309Leu missense_variant 5/51 NM_001097.3 P1
ACRENST00000527761.1 linkuse as main transcriptn.385C>T non_coding_transcript_exon_variant 2/25

Frequencies

GnomAD3 genomes
AF:
0.0000483
AC:
7
AN:
144910
Hom.:
0
Cov.:
19
show subpopulations
Gnomad AFR
AF:
0.0000259
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000683
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000213
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000606
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000256
AC:
6
AN:
234078
Hom.:
0
AF XY:
0.0000473
AC XY:
6
AN XY:
126862
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000574
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000148
Gnomad NFE exome
AF:
0.0000192
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000227
AC:
33
AN:
1455572
Hom.:
0
Cov.:
40
AF XY:
0.0000221
AC XY:
16
AN XY:
723552
show subpopulations
Gnomad4 AFR exome
AF:
0.0000301
Gnomad4 AMR exome
AF:
0.0000451
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000255
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000951
Gnomad4 NFE exome
AF:
0.0000198
Gnomad4 OTH exome
AF:
0.0000333
GnomAD4 genome
AF:
0.0000483
AC:
7
AN:
144910
Hom.:
0
Cov.:
19
AF XY:
0.0000285
AC XY:
2
AN XY:
70296
show subpopulations
Gnomad4 AFR
AF:
0.0000259
Gnomad4 AMR
AF:
0.0000683
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000213
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000606
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000162
Hom.:
0
Bravo
AF:
0.0000340
ExAC
AF:
0.0000413
AC:
5

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 GeneticsOct 20, 2023The c.926C>T (p.P309L) alteration is located in exon 5 (coding exon 5) of the ACR gene. This alteration results from a C to T substitution at nucleotide position 926, causing the proline (P) at amino acid position 309 to be replaced by a leucine (L). 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
0.074
BayesDel_addAF
Benign
-0.15
T
BayesDel_noAF
Benign
-0.27
Cadd
Benign
8.6
Dann
Benign
0.87
DEOGEN2
Benign
0.39
T
Eigen
Benign
-0.87
Eigen_PC
Benign
-1.0
FATHMM_MKL
Benign
0.029
N
M_CAP
Uncertain
0.14
D
MetaRNN
Benign
0.15
T
MetaSVM
Benign
-0.51
T
MutationAssessor
Benign
1.1
L
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.38
T
PROVEAN
Benign
-0.56
N
REVEL
Uncertain
0.33
Sift
Benign
0.30
T
Sift4G
Benign
0.21
T
Polyphen
0.75
P
Vest4
0.23
MutPred
0.19
Loss of glycosylation at P309 (P = 0.02);
MVP
0.88
ClinPred
0.068
T
GERP RS
0.81
Varity_R
0.027
gMVP
0.21

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: rs770629027; hg19: chr22-51183295; COSMIC: COSV53361006; COSMIC: COSV53361006; API