Genetic Variant FAM78B:p.Met246Ile (chr1-166070289-C-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

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

The NM_001017961.5(FAM78B):c.738G>A(p.Met246Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,234 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

FAM78B
NM_001017961.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.80

Publications

0 publications found

Variant links:

Genes affected

FAM78B (HGNC:13495): (family with sequence similarity 78 member B)

FAM78B links:

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ACMG classification

Classification was made for transcript

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_001017961.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
FAM78B	NM_001017961.5	MANE Select	c.738G>A	p.Met246Ile	missense	Exon 2 of 2	NP_001017961.1	Q5VT40
FAM78B	NM_001320302.2		c.264-9626G>A		intron	N/A	NP_001307231.1	F1T0K0
FAM78B	NR_135199.2		n.1491G>A		non_coding_transcript_exon	Exon 2 of 3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
FAM78B	ENST00000354422.4	TSL:2 MANE Select	c.738G>A	p.Met246Ile	missense	Exon 2 of 2	ENSP00000346404.3	Q5VT40
FAM78B	ENST00000338353.4	TSL:1	c.738G>A	p.Met246Ile	missense	Exon 3 of 3	ENSP00000339681.3	Q5VT40
FAM78B	ENST00000435676.2	TSL:2	n.714G>A		non_coding_transcript_exon	Exon 2 of 3	ENSP00000412766.1	H7C3M6

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152234

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000192

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

GnomAD2 exomes

AF:

0.00000457

AC:

AN:

218964

AF XY:

0.00000861

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000554

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1418292

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

699626

African (AFR)

AF:

0.00

AC:

AN:

32650

American (AMR)

AF:

0.00

AC:

AN:

41048

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

22758

East Asian (EAS)

AF:

0.00

AC:

AN:

39274

South Asian (SAS)

AF:

0.00

AC:

AN:

78360

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51610

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5534

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1088476

Other (OTH)

AF:

0.00

AC:

AN:

58582

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152234

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74372

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41474

American (AMR)

AF:

0.00

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.000192

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68044

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.93

BayesDel_addAF

Pathogenic

0.33

BayesDel_noAF

Pathogenic

0.41

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.040

Eigen

Uncertain

0.62

Eigen_PC

Pathogenic

0.69

FATHMM_MKL

Uncertain

0.89

LIST_S2

Uncertain

0.88

M_CAP

Uncertain

0.090

MetaRNN

Uncertain

0.67

MetaSVM

Uncertain

0.49

MutationAssessor

Benign

1.6

PhyloP100

7.8

PrimateAI

Pathogenic

0.84

PROVEAN

Benign

-0.56

REVEL

Uncertain

0.60

Sift

Benign

0.72

Sift4G

Benign

0.31

Polyphen

0.91

Vest4

0.80

MutPred

0.37

Gain of sheet (P = 0.0477)

MVP

0.99

MPC

1.7

ClinPred

0.60

GERP RS

6.0

Varity_R

0.24

gMVP

0.36

Mutation Taster

=33/67

disease causing

(source)

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over