rs149802222

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4_StrongBP6

The NM_001081.4(CUBN):​c.8203G>T​(p.Asp2735Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000227 in 1,613,244 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D2735A) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00018 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00023 ( 1 hom. )

Consequence

CUBN
NM_001081.4 missense

Scores

4
14

Clinical Significance

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

Conservation

PhyloP100: 1.42

Publications

4 publications found
Variant links:
Genes affected
CUBN (HGNC:2548): (cubilin) Cubilin (CUBN) acts as a receptor for intrinsic factor-vitamin B12 complexes. The role of receptor is supported by the presence of 27 CUB domains. Cubulin is located within the epithelium of intestine and kidney. Mutations in CUBN may play a role in autosomal recessive megaloblastic anemia. [provided by RefSeq, Jul 2008]
CUBN Gene-Disease associations (from GenCC):
  • Imerslund-Grasbeck syndrome type 1
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, Laboratory for Molecular Medicine
  • proteinuria, chronic benign
    Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
  • Imerslund-Grasbeck syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.05637297).
BP6
Variant 10-16900832-C-A is Benign according to our data. Variant chr10-16900832-C-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 299408.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001081.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CUBN
NM_001081.4
MANE Select
c.8203G>Tp.Asp2735Tyr
missense
Exon 53 of 67NP_001072.2O60494

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CUBN
ENST00000377833.10
TSL:1 MANE Select
c.8203G>Tp.Asp2735Tyr
missense
Exon 53 of 67ENSP00000367064.4O60494
CUBN
ENST00000649933.1
n.565G>T
non_coding_transcript_exon
Exon 5 of 5
ENSG00000296126
ENST00000736661.1
n.195+8198C>A
intron
N/A

Frequencies

GnomAD3 genomes
AF:
0.000177
AC:
27
AN:
152192
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00433
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000176
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000256
AC:
64
AN:
249696
AF XY:
0.000267
show subpopulations
Gnomad AFR exome
AF:
0.0000620
Gnomad AMR exome
AF:
0.0000582
Gnomad ASJ exome
AF:
0.00349
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000464
Gnomad NFE exome
AF:
0.000204
Gnomad OTH exome
AF:
0.000329
GnomAD4 exome
AF:
0.000233
AC:
340
AN:
1461052
Hom.:
1
Cov.:
32
AF XY:
0.000246
AC XY:
179
AN XY:
726774
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33460
American (AMR)
AF:
0.000112
AC:
5
AN:
44654
Ashkenazi Jewish (ASJ)
AF:
0.00375
AC:
98
AN:
26114
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39670
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86156
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53352
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000194
AC:
216
AN:
1111520
Other (OTH)
AF:
0.000348
AC:
21
AN:
60358
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.473
Heterozygous variant carriers
0
19
38
58
77
96
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
20
40
60
80
100
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000177
AC:
27
AN:
152192
Hom.:
0
Cov.:
33
AF XY:
0.000188
AC XY:
14
AN XY:
74362
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41454
American (AMR)
AF:
0.00
AC:
0
AN:
15278
Ashkenazi Jewish (ASJ)
AF:
0.00433
AC:
15
AN:
3466
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5188
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000176
AC:
12
AN:
68038
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.495
Heterozygous variant carriers
0
2
4
6
8
10
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000357
Hom.:
1
Bravo
AF:
0.000185
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000222
AC:
27

ClinVar

ClinVar submissions as Germline
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
1
Imerslund-Grasbeck syndrome (1)
-
1
-
Imerslund-Grasbeck syndrome type 1 (1)
-
1
-
Inborn genetic diseases (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.35
T
BayesDel_noAF
Benign
-0.46
CADD
Benign
23
DANN
Uncertain
0.98
DEOGEN2
Benign
0.29
T
Eigen
Benign
0.034
Eigen_PC
Benign
-0.11
FATHMM_MKL
Uncertain
0.88
D
LIST_S2
Benign
0.78
T
M_CAP
Benign
0.023
T
MetaRNN
Benign
0.056
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
2.0
M
PhyloP100
1.4
PrimateAI
Benign
0.38
T
PROVEAN
Uncertain
-3.2
D
REVEL
Benign
0.23
Sift
Benign
0.050
D
Sift4G
Uncertain
0.0050
D
Polyphen
0.95
P
Vest4
0.52
MVP
0.55
MPC
0.43
ClinPred
0.13
T
GERP RS
1.8
Varity_R
0.39
gMVP
0.58
Mutation Taster
=87/13
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs149802222; hg19: chr10-16942831; API