Genetic Variant NM_001039651.2:c.296C>G (chr6-31764104-C-G) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_001039651.2(SAPCD1):c.296C>G(p.Pro99Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000192 in 1,613,522 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/20 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. P99L) has been classified as Benign.

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000016 ( 0 hom. )

Consequence

SAPCD1
NM_001039651.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.542

Publications

43 publications found

Variant links:

Genes affected

SAPCD1 (HGNC:13938): (suppressor APC domain containing 1)

SAPCD1 links:

MSH5-SAPCD1 (HGNC:41994): (MSH5-SAPCD1 readthrough (NMD candidate)) This locus represents naturally occurring read-through transcription between the neighboring mutS homolog 5 (MSH5) and chromosome 6 open reading frame 26 (C6orf26) genes. The read-through transcript is a candidate for nonsense-mediated mRNA decay (NMD), and is thus unlikely to produce a protein product. [provided by RefSeq, Feb 2011]

MSH5-SAPCD1 links:

SAPCD1-AS1 (HGNC:39824): (SAPCD1 antisense RNA 1)

SAPCD1-AS1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.018881857).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SAPCD1	NM_001039651.2 link	c.296C>G	p.Pro99Arg	missense_variant	Exon 3 of 5	ENST00000415669.4	NP_001034740.1	Q5SSQ6-2A0A1U9X8I8
MSH5-SAPCD1	NR_037846.1 link	n.3503C>G		non_coding_transcript_exon_variant	Exon 27 of 29
SAPCD1-AS1	NR_126423.1 link	n.*31G>C		downstream_gene_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SAPCD1	ENST00000415669.4 link	c.296C>G	p.Pro99Arg	missense_variant	Exon 3 of 5	1	NM_001039651.2	ENSP00000411948.2	Q5SSQ6-2
MSH5-SAPCD1	ENST00000493662.6 link	n.*819C>G		non_coding_transcript_exon_variant	Exon 27 of 29	1		ENSP00000417871.2	A0A024RCV8
MSH5-SAPCD1	ENST00000493662.6 link	n.*819C>G		3_prime_UTR_variant	Exon 27 of 29	1		ENSP00000417871.2	A0A024RCV8

Frequencies

GnomAD3 genomes

AF:

0.0000526

AC:

AN:

152054

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000524

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

GnomAD2 exomes

AF:

0.0000636

AC:

AN:

251460

AF XY:

0.0000441

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000463

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:

0.0000157

AC:

AN:

1461468

Hom.:

Cov.:

AF XY:

0.0000110

AC XY:

AN XY:

727064

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33466

American (AMR)

AF:

0.000514

AC:

AN:

44714

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111634

Other (OTH)

AF:

0.00

AC:

AN:

60384

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.460

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

AF:

0.0000526

AC:

AN:

152054

Hom.:

Cov.:

AF XY:

0.0000539

AC XY:

AN XY:

74256

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41382

American (AMR)

AF:

0.000524

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10568

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68024

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.519

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.:

5381

ExAC

AF:

0.0000576

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.092

BayesDel_addAF

Benign

-0.35

BayesDel_noAF

Benign

-0.41

CADD

Benign

0.38

(source)

DANN

Benign

0.77

DEOGEN2

Benign

0.0022

.;T;.

Eigen

Benign

-1.5

Eigen_PC

Benign

-1.6

FATHMM_MKL

Benign

0.012

M_CAP

Benign

0.016

MetaRNN

Benign

0.019

T;T;T

MetaSVM

Benign

-1.0

PhyloP100

-0.54

PROVEAN

Benign

0.15

N;N;N

REVEL

Benign

0.14

Sift

Benign

0.66

T;T;T

Sift4G

Benign

0.39

T;T;T

Polyphen

0.020

.;.;B

Vest4

0.16, 0.22

MutPred

0.21

Loss of catalytic residue at P98 (P = 0.0152);Loss of catalytic residue at P98 (P = 0.0152);Loss of catalytic residue at P98 (P = 0.0152);

MVP

0.067

MPC

0.22

ClinPred

0.019

GERP RS

-7.6

Varity_R

0.076

gMVP

0.14

Mutation Taster

=92/8

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.10

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over