rs767811228

Variant names:

• chr11-9816931-G-A
• rs767811228
• NM_030962.4:c.3887C>T

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_001386339.1(SBF2):​c.3983C>T​(p.Ser1328Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00000743 in 1,614,030 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Synonymous variant affecting the same amino acid position (i.e. S1328S) has been classified as Likely benign.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000075 (0 hom.)
• Consequence: SBF2 NM_001386339.1 missense
• Clinical Significance: Uncertain significance criteria provided, multiple submitters, no conflicts U:2 O:1
• Conservation: PhyloP100: 4.96
• Publications: 0 publications found

Genes affected

SBF2 (HGNC:2135): (SET binding factor 2) This gene encodes a pseudophosphatase and member of the myotubularin-related protein family. This gene maps within the CMT4B2 candidate region of chromosome 11p15 and mutations in this gene have been associated with Charcot-Marie-Tooth Disease, type 4B2. [provided by RefSeq, Jul 2008]

SBF2 Gene-Disease associations (from GenCC):

• Charcot-Marie-Tooth disease type 4B2

  Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), G2P, ClinGen, Ambry Genetics

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.19611529).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001386339.1. 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
	SBF2	NM_030962.4	MANE Select	c.3887C>T	p.Ser1296Leu	missense	Exon 29 of 40	NP_112224.1
	SBF2	NM_001386339.1		c.3983C>T	p.Ser1328Leu	missense	Exon 30 of 41	NP_001373268.1
	SBF2	NM_001424318.1		c.3923C>T	p.Ser1308Leu	missense	Exon 30 of 41	NP_001411247.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SBF2	ENST00000256190.13	TSL:1 MANE Select	c.3887C>T	p.Ser1296Leu	missense	Exon 29 of 40	ENSP00000256190.8
	SBF2	ENST00000689128.1		c.3983C>T	p.Ser1328Leu	missense	Exon 30 of 41	ENSP00000509587.1
	SBF2	ENST00000675281.2		c.3962C>T	p.Ser1321Leu	missense	Exon 30 of 41	ENSP00000502491.1

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152174 Hom.: 0 Cov.: 32

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: 0.00

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.0000119 AC: 3 AN: 251394 AF XY: 0.0000147

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 FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00000880

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000752 AC: 11 AN: 1461856 Hom.: 0 Cov.: 30 AF XY: 0.00000688 AC XY: 5 AN XY: 727236

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.0000447 AC: 2 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39698

South Asian (SAS) AF: 0.00 AC: 0 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53420

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00000630 AC: 7 AN: 1111980

Other (OTH) AF: 0.0000331 AC: 2 AN: 60392

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152174 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 74330

African (AFR) AF: 0.0000241 AC: 1 AN: 41434

American (AMR) AF: 0.00 AC: 0 AN: 15276

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5200

South Asian (SAS) AF: 0.00 AC: 0 AN: 4828

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10604

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68040

Other (OTH) AF: 0.00 AC: 0 AN: 2092

Alfa AF: 0.0000312 Hom.: 0

Bravo AF: 0.00000378

ExAC AF: 0.00000824 AC: 1

EpiCase AF: 0.0000545

EpiControl AF: 0.00

ClinVar

ClinVar submissions as Germline

Significance: Uncertain significance

Revision: criteria provided, multiple submitters, no conflicts

Pathogenic	VUS	Benign	Condition
-	1	-	Charcot-Marie-Tooth disease (1)
-	1	-	Charcot-Marie-Tooth disease type 4 (1)
-	-	-	Charcot-Marie-Tooth disease type 4B2 (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.072
BayesDel_addAF	Benign	-0.10	T
BayesDel_noAF	Benign	-0.21
CADD	Uncertain	24
DANN	Benign	0.94
DEOGEN2	Uncertain	0.48	T
Eigen	Benign	-0.26
Eigen_PC	Benign	-0.13
FATHMM_MKL	Uncertain	0.96	D
LIST_S2	Benign	0.79	T
M_CAP	Benign	0.021	T
MetaRNN	Benign	0.20	T
MetaSVM	Benign	-0.45	T
MutationAssessor	Benign	1.2	L
PhyloP100		5.0
PrimateAI	Benign	0.38	T
PROVEAN	Benign	-0.68	N
REVEL	Benign	0.29
Sift	Benign	0.42	T
Sift4G	Benign	0.37	T
Polyphen		0.0	B
Vest4		0.27
MutPred		0.34		Loss of disorder (P = 0.0313)
MVP		0.91
MPC		0.16
ClinPred		0.13	T
GERP RS		5.8
Varity_R		0.066
gMVP		0.29
Mutation Taster		=74/26	polymorphism

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

Other links and lift over

dbSNP: rs767811228; hg19: chr11-9838478; COSMIC: COSV106398284; COSMIC: COSV106398284;