SEMA4B p.Leu29Leu

Variant names:

• chr15-90201662-C-C
• ENST00000411539.7:c.

Your query was ambiguous. Multiple possible variants found:

• chr15-90201663--
• chr15-90201663-C-T
• chr15-90201665-G-T
• chr15-90201665-G-C
• chr15-90201665-G-A
• chr15-90201663-CTG-TTA

Variant summary

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

The ENST00000411539.7(SEMA4B):​c. variant causes a exon region 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: SEMA4B ENST00000411539.7 exon_region
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.989
• Publications: 0 publications found

Genes affected

SEMA4B (HGNC:10730): (semaphorin 4B) Predicted to enable chemorepellent activity and semaphorin receptor binding activity. Predicted to be involved in several processes, including generation of neurons; neural crest cell migration; and semaphorin-plexin signaling pathway. Predicted to be located in plasma membrane. Predicted to be active in extracellular space. Predicted to be integral component of plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

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: ENST00000411539.7. 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
There are no transcript annotations for this variant.

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SEMA4B	ENST00000411539.7	TSL:1 MANE Select	c.		exon_region	Exon 1 of 14	ENSP00000394720.2	Q9NPR2-1
	SEMA4B	ENST00000332496.10	TSL:1	c.		exon_region	Exon 2 of 15	ENSP00000332204.6	Q9NPR2-1
	SEMA4B	ENST00000560089.5	TSL:1	n.		exon_region	Exon 1 of 15	ENSP00000453484.1	H0YM68

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		0.99

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: chr15-90744894;