14-94614679-A-C

Variant names:

• chr14-94614679-A-C
• rs778805359
• NM_001085.5:c.238A>C

Variant summary

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

The NM_001085.5(SERPINA3):​c.238A>C​(p.Ile80Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,613,968 control chromosomes in the GnomAD database, with no homozygous occurrence. 14/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. I80V) has been classified as Likely benign.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000014 (0 hom.)
• Consequence: SERPINA3 NM_001085.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.532
• Publications: 0 publications found

Genes affected

SERPINA3 (HGNC:16): (serpin family A member 3) The protein encoded by this gene is a member of the serpin family of proteins, a group of proteins that inhibit serine proteases. This gene is one in a cluster of serpin genes located on the q arm of chromosome 14. Polymorphisms in this protein appear to be tissue specific and influence protease targeting. Variations in this protein's sequence have been implicated in Alzheimer's disease, and deficiency of this protein has been associated with liver disease. Mutations have been identified in patients with Parkinson disease and chronic obstructive pulmonary disease. [provided by RefSeq, Jun 2020]

ENSG00000273259 (HGNC:):

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_001085.5. 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
	SERPINA3	NM_001085.5	MANE Select	c.238A>C	p.Ile80Leu	missense	Exon 2 of 5	NP_001076.2	P01011-1
	SERPINA3	NM_001384672.1		c.238A>C	p.Ile80Leu	missense	Exon 2 of 5	NP_001371601.1	P01011-1
	SERPINA3	NM_001384673.1		c.238A>C	p.Ile80Leu	missense	Exon 3 of 6	NP_001371602.1	P01011-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SERPINA3	ENST00000393078.5	TSL:1 MANE Select	c.238A>C	p.Ile80Leu	missense	Exon 2 of 5	ENSP00000376793.3	P01011-1
	SERPINA3	ENST00000393080.8	TSL:1	c.238A>C	p.Ile80Leu	missense	Exon 2 of 5	ENSP00000376795.4	P01011-1
	ENSG00000273259	ENST00000553947.1	TSL:2	n.*1064A>C		non_coding_transcript_exon	Exon 5 of 8	ENSP00000452367.2	G3V5I3

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 152074 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000241

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 0.00000137 AC: 2 AN: 1461894 Hom.: 0 Cov.: 35 AF XY: 0.00000138 AC XY: 1 AN XY: 727248

African (AFR) AF: 0.0000597 AC: 2 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: 39700

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

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53420

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

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1112012

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

GnomAD4 genome AF: 0.00000658 AC: 1 AN: 152074 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74288

African (AFR) AF: 0.0000241 AC: 1 AN: 41410

American (AMR) AF: 0.00 AC: 0 AN: 15264

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5178

South Asian (SAS) AF: 0.00 AC: 0 AN: 4820

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10598

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68016

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.16
BayesDel_addAF	Benign	-0.034	T
BayesDel_noAF	Benign	-0.29
CADD	Benign	1.3
DANN	Benign	0.97
DEOGEN2	Benign	0.31	T
Eigen	Benign	-0.85
Eigen_PC	Benign	-1.0
FATHMM_MKL	Benign	0.36	N
LIST_S2	Benign	0.71	T
M_CAP	Benign	0.022	T
MetaRNN	Uncertain	0.43	T
MetaSVM	Uncertain	0.36	D
MutationAssessor	Benign	1.7	L
PhyloP100		-0.53
PrimateAI	Benign	0.28	T
PROVEAN	Benign	-1.7	N
REVEL	Uncertain	0.42
Sift	Uncertain	0.024	D
Sift4G	Uncertain	0.034	D
Polyphen		0.17	B
Vest4		0.23
MutPred		0.68		Gain of catalytic residue at S81 (P = 0.0018)
MVP		0.57
MPC		0.034
ClinPred		0.39	T
GERP RS		-2.3
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Varity_R		0.44
gMVP		0.25
Mutation Taster		=83/17	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: rs778805359; hg19: chr14-95081016;