1-197268441-T-C

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 0P and 5B. BP4_StrongBP6

The NM_201253.3(CRB1):ā€‹c.29T>Cā€‹(p.Leu10Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000253 in 1,613,214 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: š‘“ 0.00027 ( 0 hom., cov: 32)
Exomes š‘“: 0.00025 ( 1 hom. )

Consequence

CRB1
NM_201253.3 missense

Scores

3
9
7

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:2

Conservation

PhyloP100: 2.79
Variant links:
Genes affected
CRB1 (HGNC:2343): (crumbs cell polarity complex component 1) This gene encodes a protein which is similar to the Drosophila crumbs protein and localizes to the inner segment of mammalian photoreceptors. In Drosophila crumbs localizes to the stalk of the fly photoreceptor and may be a component of the molecular scaffold that controls proper development of polarity in the eye. Mutations in this gene are associated with a severe form of retinitis pigmentosa, RP12, and with Leber congenital amaurosis. Alternate splicing results in multiple transcript variants, some protein coding and some non-protein coding.[provided by RefSeq, Apr 2012]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.033907562).
BP6
Variant 1-197268441-T-C is Benign according to our data. Variant chr1-197268441-T-C is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 546619.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=2, Uncertain_significance=1}.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CRB1NM_201253.3 linkuse as main transcriptc.29T>C p.Leu10Pro missense_variant 1/12 ENST00000367400.8 NP_957705.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CRB1ENST00000367400.8 linkuse as main transcriptc.29T>C p.Leu10Pro missense_variant 1/121 NM_201253.3 ENSP00000356370 P1P82279-1

Frequencies

GnomAD3 genomes
AF:
0.000269
AC:
41
AN:
152182
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:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00188
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000309
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000394
AC:
99
AN:
251268
Hom.:
1
AF XY:
0.000324
AC XY:
44
AN XY:
135794
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000578
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00286
Gnomad NFE exome
AF:
0.000291
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.000251
AC:
367
AN:
1460914
Hom.:
1
Cov.:
29
AF XY:
0.000241
AC XY:
175
AN XY:
726828
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00315
Gnomad4 NFE exome
AF:
0.000167
Gnomad4 OTH exome
AF:
0.000199
GnomAD4 genome
AF:
0.000269
AC:
41
AN:
152300
Hom.:
0
Cov.:
32
AF XY:
0.000282
AC XY:
21
AN XY:
74466
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:
0.00188
Gnomad4 NFE
AF:
0.000309
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000150
Hom.:
0
Bravo
AF:
0.000110
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.000469
AC:
57
EpiCase
AF:
0.00
EpiControl
AF:
0.000119

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:2
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenJun 01, 2018- -
Retinitis pigmentosa 12;C3151202:Leber congenital amaurosis 8 Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 18, 2024- -
Leber congenital amaurosis 8 Benign:1
Likely benign, criteria provided, single submitterclinical testingGenome-Nilou LabMay 18, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.16
BayesDel_addAF
Uncertain
0.087
D
BayesDel_noAF
Pathogenic
0.25
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.42
.;.;T;.
Eigen
Uncertain
0.45
Eigen_PC
Uncertain
0.40
FATHMM_MKL
Uncertain
0.92
D
LIST_S2
Benign
0.65
T;.;T;T
M_CAP
Pathogenic
0.49
D
MetaRNN
Benign
0.034
T;T;T;T
MetaSVM
Uncertain
0.56
D
MutationAssessor
Benign
1.9
L;L;L;L
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Benign
0.38
T
PROVEAN
Benign
-1.4
N;.;N;N
REVEL
Pathogenic
0.72
Sift
Uncertain
0.023
D;.;D;D
Sift4G
Uncertain
0.0030
D;.;D;D
Polyphen
1.0
.;.;D;D
Vest4
0.81
MVP
0.90
MPC
0.20
ClinPred
0.081
T
GERP RS
5.1
Varity_R
0.71
gMVP
0.95

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs201609001; hg19: chr1-197237571; API