NM_017671.5:c.1675T>C

Variant names:

• chr20-6084083-A-G
• rs869312719
• NM_017671.5:c.1675T>C

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2 PP3_Strong

The NM_017671.5(FERMT1):​c.1675T>C​(p.Trp559Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 13/22 in silico tools predict a damaging outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 33)
• Consequence: FERMT1 NM_017671.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 9.32
• Publications: 2 publications found

Genes affected

FERMT1 (HGNC:15889): (FERM domain containing kindlin 1) This gene encodes a member of the fermitin family, and contains a FERM domain and a pleckstrin homology domain. The encoded protein is involved in integrin signaling and linkage of the actin cytoskeleton to the extracellular matrix. Mutations in this gene have been linked to Kindler syndrome. [provided by RefSeq, Dec 2009]

FERMT1 Gene-Disease associations (from GenCC):

• Kindler syndrome

  Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Orphanet, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Ambry Genetics

ACMG classification

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.965

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_017671.5. 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
	FERMT1	NM_017671.5	MANE Select	c.1675T>C	p.Trp559Arg	missense	Exon 13 of 15	NP_060141.3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FERMT1	ENST00000217289.9	TSL:1 MANE Select	c.1675T>C	p.Trp559Arg	missense	Exon 13 of 15	ENSP00000217289.4	Q9BQL6-1
	FERMT1	ENST00000478194.1	TSL:1	n.635T>C		non_coding_transcript_exon	Exon 5 of 7
	FERMT1	ENST00000536936.1	TSL:1	n.*1177T>C		non_coding_transcript_exon	Exon 12 of 14	ENSP00000441063.2	G3V1L6

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 40

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	1.0
BayesDel_addAF	Pathogenic	0.45	D
BayesDel_noAF	Pathogenic	0.41
CADD	Pathogenic	27
DANN	Uncertain	1.0
DEOGEN2	Pathogenic	0.88	D
Eigen	Pathogenic	0.85
Eigen_PC	Pathogenic	0.77
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Pathogenic	0.98	D
M_CAP	Pathogenic	0.36	D
MetaRNN	Pathogenic	0.96	D
MetaSVM	Uncertain	0.62	D
MutationAssessor	Pathogenic	3.2	M
PhyloP100		9.3
PrimateAI	Pathogenic	0.87	D
PROVEAN	Pathogenic	-13	D
REVEL	Pathogenic	0.89
Sift	Pathogenic	0.0	D
Sift4G	Uncertain	0.0020	D
Polyphen		1.0	D
Vest4		0.97
MutPred		0.82		Loss of catalytic residue at A558 (P = 0.0735)
MVP		0.95
MPC		1.2
ClinPred		1.0	D
GERP RS		4.8
Varity_R		0.95
gMVP		0.93
Mutation Taster		=17/83	disease causing (ClinVar)

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

dbSNP: rs869312719; hg19: chr20-6064730;