17-17813574-G-A

Variant summary

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

The NM_004176.5(SREBF1):c.3097C>T(p.Arg1033Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000276 in 1,595,610 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000028 ( 0 hom. )

Consequence

SREBF1
NM_004176.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.10

Variant links:

Genes affected

SREBF1 (HGNC:11289): (sterol regulatory element binding transcription factor 1) This gene encodes a basic helix-loop-helix-leucine zipper (bHLH-Zip) transcription factor that binds to the sterol regulatory element-1 (SRE1), which is a motif that is found in the promoter of the low density lipoprotein receptor gene and other genes involved in sterol biosynthesis. The encoded protein is synthesized as a precursor that is initially attached to the nuclear membrane and endoplasmic reticulum. Following cleavage, the mature protein translocates to the nucleus and activates transcription. This cleaveage is inhibited by sterols. This gene is located within the Smith-Magenis syndrome region on chromosome 17. Alternative promoter usage and splicing result in multiple transcript variants, including SREBP-1a and SREBP-1c, which correspond to RefSeq transcript variants 2 and 3, respectively. [provided by RefSeq, Nov 2017]

SREBF1 links:

MIR6777 (HGNC:50173): (microRNA 6777) microRNAs (miRNAs) are short (20-24 nt) non-coding RNAs that are involved in post-transcriptional regulation of gene expression in multicellular organisms by affecting both the stability and translation of mRNAs. miRNAs are transcribed by RNA polymerase II as part of capped and polyadenylated primary transcripts (pri-miRNAs) that can be either protein-coding or non-coding. The primary transcript is cleaved by the Drosha ribonuclease III enzyme to produce an approximately 70-nt stem-loop precursor miRNA (pre-miRNA), which is further cleaved by the cytoplasmic Dicer ribonuclease to generate the mature miRNA and antisense miRNA star (miRNA*) products. The mature miRNA is incorporated into a RNA-induced silencing complex (RISC), which recognizes target mRNAs through imperfect base pairing with the miRNA and most commonly results in translational inhibition or destabilization of the target mRNA. The RefSeq represents the predicted microRNA stem-loop. [provided by RefSeq, Sep 2009]

MIR6777 links:

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 GnomAdExome at 7 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
SREBF1	NM_004176.5 linkuse as main transcript	c.3097C>T	p.Arg1033Trp	missense_variant	17/19	ENST00000261646.11
MIR6777	NR_106835.1 linkuse as main transcript			upstream_gene_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
SREBF1	ENST00000261646.11 linkuse as main transcript	c.3097C>T	p.Arg1033Trp	missense_variant	17/19	1	NM_004176.5	P4	P36956-1
MIR6777	ENST00000613934.1 linkuse as main transcript			upstream_gene_variant

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152220

Hom.:

Cov.:

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000330

AC:

AN:

212326

Hom.:

AF XY:

0.0000426

AC XY:

AN XY:

117356

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:

0.000142

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000320

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000284

AC:

AN:

1443390

Hom.:

Cov.:

AF XY:

0.0000321

AC XY:

AN XY:

717236

show subpopulations

Gnomad4 AFR exome

AF:

0.0000604

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000154

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000208

Gnomad4 OTH exome

AF:

0.0000335

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152220

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74366

show subpopulations

Gnomad4 AFR

AF:

0.0000724

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:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000138

Hom.:

Bravo

AF:

0.0000189

ExAC

AF:

0.0000333

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Inborn genetic diseases

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jul 06, 2021

The c.3097C>T (p.R1033W) alteration is located in exon 17 (coding exon 17) of the SREBF1 gene. This alteration results from a C to T substitution at nucleotide position 3097, causing the arginine (R) at amino acid position 1033 to be replaced by a tryptophan (W). 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

Benign

0.21

BayesDel_addAF

Uncertain

0.029

BayesDel_noAF

Benign

-0.20

Cadd

Pathogenic

Dann

Pathogenic

1.0

DEOGEN2

Benign

0.072

T;.;D;T;T

Eigen

Uncertain

0.44

Eigen_PC

Uncertain

0.36

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.94

D;D;D;D;D

M_CAP

Benign

0.068

MetaRNN

Uncertain

0.48

T;T;T;T;T

MetaSVM

Benign

-0.82

MutationTaster

Benign

1.0

D;D;D;D

PrimateAI

Uncertain

0.71

PROVEAN

Pathogenic

-4.5

D;D;D;.;.

REVEL

Benign

0.25

Sift

Uncertain

0.0070

D;D;D;.;.

Sift4G

Benign

0.15

T;D;D;.;D

Polyphen

1.0

.;D;D;.;.

Vest4

0.72

MutPred

0.43

.;.;Loss of disorder (P = 0.0054);.;.;

MVP

0.34

MPC

0.99

ClinPred

0.92

GERP RS

0.79

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.16

gMVP

0.40

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over