8-22161838-G-A

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 0P and 5B. BP4BS2

The NM_001317778.2(SFTPC):​c.10G>A​(p.Gly4Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000384 in 1,614,002 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000039 ( 0 hom. )

Consequence

SFTPC
NM_001317778.2 missense

Scores

1
4
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.514
Variant links:
Genes affected
SFTPC (HGNC:10802): (surfactant protein C) This gene encodes the pulmonary-associated surfactant protein C (SPC), an extremely hydrophobic surfactant protein essential for lung function and homeostasis after birth. Pulmonary surfactant is a surface-active lipoprotein complex composed of 90% lipids and 10% proteins which include plasma proteins and apolipoproteins SPA, SPB, SPC and SPD. The surfactant is secreted by the alveolar cells of the lung and maintains the stability of pulmonary tissue by reducing the surface tension of fluids that coat the lung. Multiple mutations in this gene have been identified, which cause pulmonary surfactant metabolism dysfunction type 2, also called pulmonary alveolar proteinosis due to surfactant protein C deficiency, and are associated with interstitial lung disease in older infants, children, and adults. Alternatively spliced transcript variants encoding different protein isoforms have been identified.[provided by RefSeq, Feb 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.27053148).
BS2
High AC in GnomAd4 at 5 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SFTPCNM_001317778.2 linkuse as main transcriptc.10G>A p.Gly4Ser missense_variant 1/6 ENST00000679463.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SFTPCENST00000679463.1 linkuse as main transcriptc.10G>A p.Gly4Ser missense_variant 1/6 NM_001317778.2 A1

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152200
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.0000588
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000401
AC:
10
AN:
249386
Hom.:
0
AF XY:
0.0000591
AC XY:
8
AN XY:
135316
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000290
Gnomad ASJ exome
AF:
0.0000993
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000618
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000390
AC:
57
AN:
1461802
Hom.:
0
Cov.:
32
AF XY:
0.0000426
AC XY:
31
AN XY:
727198
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000447
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000441
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152200
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74352
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000588
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000716
Hom.:
0
ExAC
AF:
0.0000577
AC:
7
EpiCase
AF:
0.000273
EpiControl
AF:
0.000119

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Surfactant metabolism dysfunction, pulmonary, 1 Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingCenter For Human Genetics And Laboratory Diagnostics, Dr. Klein, Dr. Rost And ColleaguesJun 28, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.098
BayesDel_addAF
Benign
-0.054
T
BayesDel_noAF
Benign
-0.13
CADD
Benign
14
DANN
Uncertain
1.0
DEOGEN2
Benign
0.031
T;T;.;T;T;T;T
Eigen
Benign
-0.38
Eigen_PC
Benign
-0.31
FATHMM_MKL
Benign
0.20
N
LIST_S2
Benign
0.79
T;T;T;T;T;T;T
M_CAP
Pathogenic
0.37
D
MetaRNN
Benign
0.27
T;T;T;T;T;T;T
MetaSVM
Uncertain
0.025
D
MutationTaster
Benign
0.99
N;N;N;N;N;N
PrimateAI
Uncertain
0.55
T
PROVEAN
Uncertain
-3.7
D;N;D;N;D;N;N
REVEL
Benign
0.20
Sift
Benign
0.051
T;T;T;D;T;D;D
Sift4G
Benign
0.087
T;T;T;T;T;T;T
Polyphen
0.20, 0.13
.;.;B;.;B;.;.
Vest4
0.20
MutPred
0.62
Gain of phosphorylation at G4 (P = 0.0126);Gain of phosphorylation at G4 (P = 0.0126);Gain of phosphorylation at G4 (P = 0.0126);Gain of phosphorylation at G4 (P = 0.0126);Gain of phosphorylation at G4 (P = 0.0126);Gain of phosphorylation at G4 (P = 0.0126);Gain of phosphorylation at G4 (P = 0.0126);
MVP
0.90
MPC
0.57
ClinPred
0.13
T
GERP RS
2.1
gMVP
0.60

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs201896861; hg19: chr8-22019351; COSMIC: COSV59346175; COSMIC: COSV59346175; API