SBF2 p.Gly897Arg

Variant names:

• chr11-9850140-C-G
• NM_030962.4:c.2689G>C
• SBF2 p.Gly897Arg

Your query was ambiguous. Multiple possible variants found:

• chr11-9850140-C-G
• chr11-9850140-C-T
• chr11-9850138-TCC-ACG
• chr11-9850138-TCC-GCG
• chr11-9850138-TCC-CCG
• chr11-9850138-TCC-CCT

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2 PP3_Moderate

The NM_030962.4(SBF2):​c.2689G>C​(p.Gly897Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: SBF2 NM_030962.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 7.90
• 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, PanelApp Australia, ClinGen, Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae)

ENSG00000255476 (HGNC:):

ACMG classification

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.936

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_030962.4. 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
	SBF2	NM_030962.4	MANE Select	c.2689G>C	p.Gly897Arg	missense	Exon 22 of 40	NP_112224.1	Q86WG5-1
	SBF2	NM_001386339.1		c.2689G>C	p.Gly897Arg	missense	Exon 22 of 41	NP_001373268.1	A0A8I5KQ02
	SBF2	NM_001424318.1		c.2725G>C	p.Gly909Arg	missense	Exon 23 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.2689G>C	p.Gly897Arg	missense	Exon 22 of 40	ENSP00000256190.8	Q86WG5-1
	SBF2	ENST00000533770.6	TSL:1	c.2689G>C	p.Gly897Arg	missense	Exon 22 of 26	ENSP00000509247.1	Q86WG5-3
	ENSG00000255476	ENST00000533659.1	TSL:1	n.134+10864C>G		intron	N/A

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.89
BayesDel_addAF	Pathogenic	0.47	D
BayesDel_noAF	Pathogenic	0.44
CADD	Uncertain	25
DANN	Pathogenic	1.0
DEOGEN2	Pathogenic	0.93	D
Eigen	Pathogenic	0.95
Eigen_PC	Pathogenic	0.94
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Uncertain	0.86	D
M_CAP	Uncertain	0.24	D
MetaRNN	Pathogenic	0.94	D
MetaSVM	Uncertain	0.78	D
MutationAssessor	Pathogenic	2.9	M
PhyloP100		7.9
PrimateAI	Pathogenic	0.89	D
PROVEAN	Pathogenic	-7.4	D
REVEL	Pathogenic	0.76
Sift	Pathogenic	0.0	D
Sift4G	Pathogenic	0.0	D
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.0
Varity_R		0.90
gMVP		0.76
Mutation Taster		=18/82	disease causing

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

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Other links and lift over

hg19: chr11-9871687;