SUN1 p.Thr733Thr

Variant names:

• chr7-872517-C-C
• NM_001130965.3:c.

Your query was ambiguous. Multiple possible variants found:

• chr7-872518--
• chr7-872520-G-T
• chr7-872520-G-C
• chr7-872520-G-A

Variant summary

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

The NM_001130965.3(SUN1):​c. variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: SUN1 NM_001130965.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.55
• Publications: 0 publications found

Genes affected

SUN1 (HGNC:18587): (Sad1 and UNC84 domain containing 1) This gene is a member of the unc-84 homolog family and encodes a nuclear envelope protein with an Unc84 (SUN) domain. The protein is involved in nuclear anchorage and migration. Alternatively spliced transcript variants have been described. [provided by RefSeq, Jan 2019]

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001130965.3. 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
	SUN1	NM_001130965.3	MANE Select	c.		intron	N/A	NP_001124437.1	O94901-8
	SUN1	NM_001367651.1		c.		intron	N/A	NP_001354580.1
	SUN1	NM_001367705.1		c.		intron	N/A	NP_001354634.1	O94901-9

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SUN1	ENST00000401592.6	TSL:1 MANE Select	c.		splice_donor intron	N/A	ENSP00000384015.1	O94901-8
	SUN1	ENST00000429178.5	TSL:1	c.		splice_donor intron	N/A	ENSP00000409909.1	H0Y742
	SUN1	ENST00000475971.5	TSL:1	n.		splice_donor 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
PhyloP100		1.5

Splicing

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: chr7-912154;