2-163610249-C-G

Variant names:

• chr2-163610249-C-G
• rs780348332
• NM_018086.4:c.1583G>C

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_018086.4(FIGN):​c.1583G>C​(p.Arg528Pro) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,866 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R528Q) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: FIGN NM_018086.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 3.99
• Publications: 0 publications found

Genes affected

FIGN (HGNC:13285): (fidgetin, microtubule severing factor) Predicted to enable microtubule-severing ATPase activity. Predicted to be involved in cytoplasmic microtubule organization. Predicted to act upstream of or within locomotory behavior. Predicted to be located in nuclear matrix. Predicted to be active in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_018086.4. 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
	FIGN	NM_018086.4	MANE Select	c.1583G>C	p.Arg528Pro	missense	Exon 3 of 3	NP_060556.2	Q5HY92
	FIGN	NM_001321825.2		c.1550G>C	p.Arg517Pro	missense	Exon 2 of 2	NP_001308754.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FIGN	ENST00000333129.4	TSL:1 MANE Select	c.1583G>C	p.Arg528Pro	missense	Exon 3 of 3	ENSP00000333836.3	Q5HY92
	FIGN	ENST00000879555.1		c.1583G>C	p.Arg528Pro	missense	Exon 3 of 3	ENSP00000549614.1
	FIGN	ENST00000409634.5	TSL:5	c.26-16453G>C		intron	N/A	ENSP00000386768.1	B8ZZS6

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461866 Hom.: 0 Cov.: 38 AF XY: 0.00 AC XY: 0 AN XY: 727234

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39680

South Asian (SAS) AF: 0.00 AC: 0 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53418

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 8.99e-7 AC: 1 AN: 1112006

Other (OTH) AF: 0.00 AC: 0 AN: 60396

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.23
BayesDel_addAF	Uncertain	0.12	D
BayesDel_noAF	Uncertain	-0.070
CADD	Uncertain	24
DANN	Benign	0.55
DEOGEN2	Benign	0.33	T
Eigen	Benign	-0.45
Eigen_PC	Benign	-0.12
FATHMM_MKL	Uncertain	0.93	D
LIST_S2	Uncertain	0.90	D
M_CAP	Benign	0.065	D
MetaRNN	Uncertain	0.50	T
MetaSVM	Benign	-0.50	T
MutationAssessor	Benign	-1.1	N
PhyloP100		4.0
PrimateAI	Uncertain	0.71	T
PROVEAN	Benign	3.3	N
REVEL	Uncertain	0.38
Sift	Benign	0.91	T
Sift4G	Benign	0.11	T
Polyphen		0.060	B
Vest4		0.54
MutPred		0.62		Loss of methylation at R528 (P = 0.0111)
MVP		0.47
MPC		0.90
ClinPred		0.71	D
GERP RS		5.7
Varity_R		0.27
gMVP		0.81
Mutation Taster		=63/37	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: rs780348332; hg19: chr2-164466759;