5-121975333-G-T

Variant names:

• chr5-121975333-G-T
• NM_152546.3:c.144G>T
• SRFBP1 p.Leu48Leu

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2 BP4_Strong BP7

The NM_152546.3(SRFBP1):​c.144G>T​(p.Leu48Leu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: SRFBP1 NM_152546.3 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.191
• Publications: 0 publications found

Genes affected

SRFBP1 (HGNC:26333): (serum response factor binding protein 1) Enables RNA binding activity. Predicted to be involved in maturation of SSU-rRNA. Predicted to be located in perinuclear region of cytoplasm. Predicted to be part of 90S preribosome. Predicted to be active in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_benign. The variant received -3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.72).
• BP7: Synonymous conserved (PhyloP=0.191 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_152546.3. 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
	SRFBP1	NM_152546.3	MANE Select	c.144G>T	p.Leu48Leu	synonymous	Exon 3 of 8	NP_689759.2	Q8NEF9

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SRFBP1	ENST00000339397.5	TSL:1 MANE Select	c.144G>T	p.Leu48Leu	synonymous	Exon 3 of 8	ENSP00000341324.4	Q8NEF9
	SRFBP1	ENST00000959109.1		c.180G>T	p.Leu60Leu	synonymous	Exon 4 of 9	ENSP00000629168.1
	SRFBP1	ENST00000919756.1		c.36+13265G>T		intron	N/A	ENSP00000589815.1

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
BayesDel_noAF	Benign	-0.72
CADD	Benign	4.2
DANN	Benign	0.67
PhyloP100		0.19

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: chr5-121311028;