6-105026356-C-T

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_001004317.4(LIN28B):​c.257C>T​(p.Thr86Ile) variant causes a missense change. The variant allele was found at a frequency of 0.0000161 in 1,611,980 control chromosomes in the GnomAD database, including 1 homozygotes. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000015 ( 1 hom. )

Consequence

LIN28B
NM_001004317.4 missense

Scores

5
8
6

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.90
Variant links:
Genes affected
LIN28B (HGNC:32207): (lin-28 homolog B) The protein encoded by this gene belongs to the lin-28 family, which is characterized by the presence of a cold-shock domain and a pair of CCHC zinc finger domains. This gene is highly expressed in testis, fetal liver, placenta, and in primary human tumors and cancer cell lines. It is negatively regulated by microRNAs that target sites in the 3' UTR, and overexpression of this gene in primary tumors is linked to the repression of let-7 family of microRNAs and derepression of let-7 targets, which facilitates cellular transformation. [provided by RefSeq, Jun 2012]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2
High AC in GnomAdExome4 at 22 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
LIN28BNM_001004317.4 linkc.257C>T p.Thr86Ile missense_variant 3/4 ENST00000345080.5 NP_001004317.1 Q6ZN17-1
LIN28BNM_001410939.1 linkc.281C>T p.Thr94Ile missense_variant 4/5 NP_001397868.1
LIN28BXM_006715477.3 linkc.314C>T p.Thr105Ile missense_variant 4/5 XP_006715540.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
LIN28BENST00000345080.5 linkc.257C>T p.Thr86Ile missense_variant 3/41 NM_001004317.4 ENSP00000344401.4 Q6ZN17-1
LIN28BENST00000637759.1 linkc.281C>T p.Thr94Ile missense_variant 4/55 ENSP00000490468.1 A0A1B0GVD3
LIN28BENST00000635857.1 linkc.314C>T p.Thr105Ile missense_variant 5/65 ENSP00000489735.1 A0A1B0GTK2

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152100
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000724
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:
0.00000400
AC:
1
AN:
250106
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135256
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:
0.00
Gnomad OTH exome
AF:
0.000164
GnomAD4 exome
AF:
0.0000151
AC:
22
AN:
1459762
Hom.:
1
Cov.:
29
AF XY:
0.0000151
AC XY:
11
AN XY:
726226
show subpopulations
Gnomad4 AFR exome
AF:
0.000210
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:
0.0000108
Gnomad4 OTH exome
AF:
0.0000332
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152218
Hom.:
0
Cov.:
32
AF XY:
0.0000403
AC XY:
3
AN XY:
74422
show subpopulations
Gnomad4 AFR
AF:
0.0000722
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
Alfa
AF:
0.0000752
Hom.:
0
Bravo
AF:
0.0000113
ExAC
AF:
0.00000824
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 GeneticsMar 20, 2023The c.257C>T (p.T86I) alteration is located in exon 3 (coding exon 3) of the LIN28B gene. This alteration results from a C to T substitution at nucleotide position 257, causing the threonine (T) at amino acid position 86 to be replaced by an isoleucine (I). 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
0.55
BayesDel_addAF
Uncertain
0.14
D
BayesDel_noAF
Uncertain
-0.030
CADD
Pathogenic
28
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.12
.;.;T
Eigen
Pathogenic
0.71
Eigen_PC
Pathogenic
0.73
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Uncertain
0.89
D;D;D
M_CAP
Benign
0.0051
T
MetaRNN
Uncertain
0.71
D;D;D
MetaSVM
Benign
-0.50
T
MutationAssessor
Benign
1.4
.;.;L
PrimateAI
Pathogenic
0.86
D
PROVEAN
Pathogenic
-4.5
.;.;D
REVEL
Uncertain
0.41
Sift
Uncertain
0.024
.;.;D
Sift4G
Benign
0.37
.;.;T
Polyphen
1.0
.;.;D
Vest4
0.45
MVP
0.42
MPC
1.3
ClinPred
0.97
D
GERP RS
5.9
Varity_R
0.50
gMVP
0.54

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: rs186680543; hg19: chr6-105474231; API