NM_004476.3:c.2244A>G

Variant names:

• chr11-49146765-T-C
• NM_004476.3:c.2244A>G

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 2P and 7B. PM2 BP4_Strong BP6_Moderate BP7

The NM_004476.3(FOLH1):​c.2244A>G​(p.Glu748Glu) 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. Variant has been reported in ClinVar as Likely benign (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: FOLH1 NM_004476.3 synonymous
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: 0.201
• Publications: 0 publications found

Genes affected

FOLH1 (HGNC:3788): (folate hydrolase 1) This gene encodes a type II transmembrane glycoprotein belonging to the M28 peptidase family. The protein acts as a glutamate carboxypeptidase on different alternative substrates, including the nutrient folate and the neuropeptide N-acetyl-l-aspartyl-l-glutamate and is expressed in a number of tissues such as prostate, central and peripheral nervous system and kidney. A mutation in this gene may be associated with impaired intestinal absorption of dietary folates, resulting in low blood folate levels and consequent hyperhomocysteinemia. Expression of this protein in the brain may be involved in a number of pathological conditions associated with glutamate excitotoxicity. In the prostate the protein is up-regulated in cancerous cells and is used as an effective diagnostic and prognostic indicator of prostate cancer. This gene likely arose from a duplication event of a nearby chromosomal region. Alternative splicing gives rise to multiple transcript variants encoding several different isoforms. [provided by RefSeq, Jul 2010]

ACMG classification

Our verdict: Likely_benign. The variant received -5 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.54).
• BP6: Variant 11-49146765-T-C is Benign according to our data. Variant chr11-49146765-T-C is described in ClinVar as Likely_benign. ClinVar VariationId is 3777791.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=0.201 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004476.3. 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
	FOLH1	NM_004476.3	MANE Select	c.2244A>G	p.Glu748Glu	synonymous	Exon 19 of 19	NP_004467.1	Q04609-1
	FOLH1	NM_001193471.3		c.2199A>G	p.Glu733Glu	synonymous	Exon 20 of 20	NP_001180400.1	Q04609-7
	FOLH1	NM_001014986.3		c.2151A>G	p.Glu717Glu	synonymous	Exon 18 of 18	NP_001014986.1	Q04609-8

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FOLH1	ENST00000256999.7	TSL:1 MANE Select	c.2244A>G	p.Glu748Glu	synonymous	Exon 19 of 19	ENSP00000256999.2	Q04609-1
	FOLH1	ENST00000340334.11	TSL:1	c.2199A>G	p.Glu733Glu	synonymous	Exon 20 of 20	ENSP00000344131.7	Q04609-7
	FOLH1	ENST00000356696.7	TSL:1	c.2151A>G	p.Glu717Glu	synonymous	Exon 18 of 18	ENSP00000349129.3	Q04609-8

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

ClinVar

ClinVar submissions

Significance: Likely benign

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	-	1	not provided (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.54
CADD	Benign	3.9
DANN	Benign	0.54
PhyloP100		0.20

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

Other links and lift over

hg19: chr11-49168317;