6-49840947-G-A

Variant summary

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

The NM_001131.3(CRISP1):​c.484C>T​(p.Arg162Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000576 in 1,613,750 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 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000062 ( 0 hom. )

Consequence

CRISP1
NM_001131.3 missense

Scores

3
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.308
Variant links:
Genes affected
CRISP1 (HGNC:304): (cysteine rich secretory protein 1) Fertilization consists of a sequence of specific cell-cell interactions culminating in the fusion of the sperm and egg plasma membranes. Recognition, binding, and fusion occur through the interaction of complementary molecules that are localized to specific domains of the sperm and egg plasma membranes. In the sperm, the postacrosomal region or equatorial segment is involved in sperm-egg plasma membrane fusion. The protein encoded by this gene is a member of the cysteine-rich secretory protein (CRISP) family. It is expressed in the epididymis, is secreted into the epididymal lumen, and binds to the postacrosomal region of the sperm head, where it plays a role in sperm-egg fusion. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2011]

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=0.089283586).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CRISP1NM_001131.3 linkc.484C>T p.Arg162Cys missense_variant Exon 6 of 8 ENST00000335847.9 NP_001122.2 P54107-1A0A0K0K1I1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CRISP1ENST00000335847.9 linkc.484C>T p.Arg162Cys missense_variant Exon 6 of 8 1 NM_001131.3 ENSP00000338276.4 P54107-1
CRISP1ENST00000505118.1 linkc.484C>T p.Arg162Cys missense_variant Exon 6 of 8 1 ENSP00000427589.1 P54107-1
CRISP1ENST00000507853.5 linkc.484C>T p.Arg162Cys missense_variant Exon 6 of 7 1 ENSP00000425020.1 P54107-2
CRISP1ENST00000329411.9 linkc.484C>T p.Arg162Cys missense_variant Exon 5 of 6 5 ENSP00000331317.5 P54107-2

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152122
Hom.:
0
Cov.:
32
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:
0.000193
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:
0.0000517
AC:
13
AN:
251268
Hom.:
0
AF XY:
0.0000589
AC XY:
8
AN XY:
135794
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000272
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000616
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000623
AC:
91
AN:
1461628
Hom.:
0
Cov.:
30
AF XY:
0.0000646
AC XY:
47
AN XY:
727112
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000447
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000227
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000657
Gnomad4 OTH exome
AF:
0.000116
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152122
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74288
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000434
Hom.:
0
Bravo
AF:
0.0000189
ExAC
AF:
0.0000576
AC:
7
EpiCase
AF:
0.0000546
EpiControl
AF:
0.00

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Aug 04, 2024
Ambry Genetics
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

The c.484C>T (p.R162C) alteration is located in exon 6 (coding exon 5) of the CRISP1 gene. This alteration results from a C to T substitution at nucleotide position 484, causing the arginine (R) at amino acid position 162 to be replaced by a cysteine (C). 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
Uncertain
0.44
BayesDel_addAF
Benign
-0.44
T
BayesDel_noAF
Benign
-0.57
CADD
Benign
7.8
DANN
Benign
0.90
DEOGEN2
Benign
0.094
.;T;.;T
Eigen
Benign
-0.64
Eigen_PC
Benign
-0.82
FATHMM_MKL
Benign
0.021
N
LIST_S2
Benign
0.66
.;.;T;T
M_CAP
Benign
0.0037
T
MetaRNN
Benign
0.089
T;T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.6
L;L;L;L
PrimateAI
Benign
0.22
T
PROVEAN
Benign
-2.1
N;N;N;N
REVEL
Benign
0.077
Sift
Uncertain
0.0090
D;D;D;D
Sift4G
Uncertain
0.012
D;D;D;D
Polyphen
1.0
D;B;D;B
Vest4
0.23
MutPred
0.56
Loss of disorder (P = 0.1116);Loss of disorder (P = 0.1116);Loss of disorder (P = 0.1116);Loss of disorder (P = 0.1116);
MVP
0.36
MPC
0.016
ClinPred
0.096
T
GERP RS
-0.61
Varity_R
0.097
gMVP
0.47

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: rs753794248; hg19: chr6-49808660; API