NM_000599.4:c.337+4949A>T

Variant names:

• chr2-216689490-T-A
• rs2241193
• NM_000599.4:c.337+4949A>T

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_000599.4(IGFBP5):​c.337+4949A>T variant causes a intron 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: 34)
• Consequence: IGFBP5 NM_000599.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.537

Genes affected

IGFBP5 (HGNC:5474): (insulin like growth factor binding protein 5) Enables insulin-like growth factor I binding activity. Involved in several processes, including cellular response to cAMP; regulation of smooth muscle cell migration; and regulation of smooth muscle cell proliferation. Part of insulin-like growth factor ternary complex. Biomarker of pulmonary fibrosis. [provided by Alliance of Genome Resources, Apr 2022]

LOC124900515 (HGNC:):

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.79).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IGFBP5	NM_000599.4	c.337+4949A>T		intron_variant	Intron 1 of 3	ENST00000233813.5	NP_000590.1
LOC124900515	XR_007088080.1	n.1047A>T		non_coding_transcript_exon_variant	Exon 2 of 2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
IGFBP5	ENST00000233813.5	c.337+4949A>T		intron_variant	Intron 1 of 3	1	NM_000599.4	ENSP00000233813.4
IGFBP5	ENST00000449583.1	c.337+4949A>T		intron_variant	Intron 1 of 1	3		ENSP00000413474.1
IGFBP5	ENST00000486341.1	n.229+4949A>T		intron_variant	Intron 1 of 1	2

Frequencies

GnomAD3 genomes Cov.: 34

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome Cov.: 34

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.79
CADD	Benign	2.3
DANN	Benign	0.84
PhyloP100		-0.54

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

Publications

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Other links and lift over

dbSNP: rs2241193; hg19: chr2-217554213;