Genetic Variant LIN28B:p.Arg128Arg (chr6-105078414-A-G) – ACMG Classification: Benign (-11 pts)

Variant summary

Our verdict is Benign. The variant received -11 ACMG points: 0P and 11B. BP4_StrongBP6_ModerateBP7BS2

The NM_001004317.4(LIN28B):c.384A>G(p.Arg128Arg) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000101 in 1,587,448 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000098 ( 1 hom. )

Consequence

LIN28B
NM_001004317.4 splice_region, synonymous

Scores

Splicing: ADA: 0.001449

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 3.00

Publications

0 publications found

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]

LIN28B links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -11 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.51).

BP6

Variant 6-105078414-A-G is Benign according to our data. Variant chr6-105078414-A-G is described in ClinVar as Likely_benign. ClinVar VariationId is 3538363.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=3 with no splicing effect.

BS2

High AC in GnomAdExome4 at 14 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001004317.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	LIN28B	NM_001004317.4	MANE Select	c.384A>G	p.Arg128Arg	splice_region synonymous	Exon 4 of 4	NP_001004317.1	Q6ZN17-1
	LIN28B	NM_001410939.1		c.408A>G	p.Arg136Arg	splice_region synonymous	Exon 5 of 5	NP_001397868.1	A0A1B0GVD3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
LIN28B	ENST00000345080.5	TSL:1 MANE Select	c.384A>G	p.Arg128Arg	splice_region synonymous	Exon 4 of 4	ENSP00000344401.4	Q6ZN17-1
LIN28B	ENST00000637759.1	TSL:5	c.408A>G	p.Arg136Arg	splice_region synonymous	Exon 5 of 5	ENSP00000490468.1	A0A1B0GVD3
LIN28B	ENST00000635857.1	TSL:5	c.441A>G	p.Arg147Arg	splice_region synonymous	Exon 6 of 6	ENSP00000489735.1	A0A1B0GTK2

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152134

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

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

GnomAD2 exomes

AF:

0.00000408

AC:

AN:

244802

AF XY:

0.00000756

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000301

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000975

AC:

AN:

1435314

Hom.:

Cov.:

AF XY:

0.0000155

AC XY:

AN XY:

708876

show subpopulations

African (AFR)

AF:

0.0000306

AC:

AN:

32702

American (AMR)

AF:

0.0000234

AC:

AN:

42770

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25498

East Asian (EAS)

AF:

0.00

AC:

AN:

39070

South Asian (SAS)

AF:

0.00

AC:

AN:

84512

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52894

Middle Eastern (MID)

AF:

0.00124

AC:

AN:

5662

European-Non Finnish (NFE)

AF:

0.00000183

AC:

AN:

1093144

Other (OTH)

AF:

0.0000508

AC:

AN:

59062

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.513

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

<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:

0.0000131

AC:

AN:

152134

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74306

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41428

American (AMR)

AF:

0.00

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5192

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10592

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68032

Other (OTH)

AF:

0.00

AC:

AN:

2088

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

ClinVar submissions

Significance:Likely benign

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.51

CADD

Benign

(source)

DANN

Benign

0.83

PhyloP100

3.0

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.0014

dbscSNV1_RF

Benign

0.016

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over