9-134885891-G-T

Variant names:

• chr9-134885891-G-T
• rs55860122
• NM_004108.3:c.553G>T

Variant summary

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

The NM_004108.3(FCN2):​c.553G>T​(p.Ala185Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,460,302 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict 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)
  • Exomes 𝑓: 0.0000014 (0 hom.)
• Consequence: FCN2 NM_004108.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.971
• Publications: 6 publications found

Genes affected

FCN2 (HGNC:3624): (ficolin 2) The product of this gene belongs to the ficolin family of proteins. This family is characterized by the presence of a leader peptide, a short N-terminal segment, followed by a collagen-like region, and a C-terminal fibrinogen-like domain. This gene is predominantly expressed in the liver, and has been shown to have carbohydrate binding and opsonic activities. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2008]

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 (MetaRNN=0.05214739).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004108.3. 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
	FCN2	NM_004108.3	MANE Select	c.553G>T	p.Ala185Ser	missense	Exon 6 of 8	NP_004099.2
	FCN2	NM_015837.3		c.439G>T	p.Ala147Ser	missense	Exon 5 of 7	NP_056652.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FCN2	ENST00000291744.11	TSL:1 MANE Select	c.553G>T	p.Ala185Ser	missense	Exon 6 of 8	ENSP00000291744.6
	FCN2	ENST00000855732.1		c.745G>T	p.Ala249Ser	missense	Exon 6 of 8	ENSP00000525791.1
	FCN2	ENST00000855735.1		c.616G>T	p.Ala206Ser	missense	Exon 6 of 8	ENSP00000525794.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD2 exomes AF: 0.00000403 AC: 1 AN: 247902 AF XY: 0.00000745

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000137 AC: 2 AN: 1460302 Hom.: 0 Cov.: 32 AF XY: 0.00000275 AC XY: 2 AN XY: 726422

African (AFR) AF: 0.00 AC: 0 AN: 33470

American (AMR) AF: 0.00 AC: 0 AN: 44602

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25990

East Asian (EAS) AF: 0.00 AC: 0 AN: 39692

South Asian (SAS) AF: 0.0000116 AC: 1 AN: 86062

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53162

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5752

European-Non Finnish (NFE) AF: 9.00e-7 AC: 1 AN: 1111258

Other (OTH) AF: 0.00 AC: 0 AN: 60314

GnomAD4 genome Cov.: 32

ExAC AF: 0.00000824 AC: 1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.073
BayesDel_addAF	Benign	-0.46	T
BayesDel_noAF	Benign	-0.80
CADD	Benign	0.033
DANN	Benign	0.15
DEOGEN2	Benign	0.0025	T
Eigen	Benign	-1.7
Eigen_PC	Benign	-1.7
FATHMM_MKL	Benign	0.022	N
LIST_S2	Benign	0.66	T
M_CAP	Benign	0.0033	T
MetaRNN	Benign	0.052	T
MetaSVM	Benign	-0.97	T
MutationAssessor	Benign	-0.35	N
PhyloP100		-0.97
PrimateAI	Benign	0.31	T
PROVEAN	Benign	-0.32	N
REVEL	Benign	0.0070
Sift	Benign	0.81	T
Sift4G	Benign	1.0	T
Polyphen		0.0	B
Vest4		0.12
MutPred		0.36		Gain of disorder (P = 0.021)
MVP		0.20
MPC		0.067
ClinPred		0.039	T
GERP RS		-3.3
Varity_R		0.20
gMVP		0.076
Mutation Taster		=82/18	polymorphism

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: rs55860122; hg19: chr9-137777737;