6-30932038-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_205854.3(SFTA2):ā€‹c.59C>Gā€‹(p.Thr20Arg) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000147 in 1,611,828 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: š‘“ 0.00014 ( 0 hom., cov: 32)
Exomes š‘“: 0.00015 ( 0 hom. )

Consequence

SFTA2
NM_205854.3 missense, splice_region

Scores

1
1
15
Splicing: ADA: 0.005554
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.84
Variant links:
Genes affected
SFTA2 (HGNC:18386): (surfactant associated 2) Predicted to be located in Golgi apparatus; extracellular region; and transport vesicle. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.10754779).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SFTA2NM_205854.3 linkuse as main transcriptc.59C>G p.Thr20Arg missense_variant, splice_region_variant 1/3 ENST00000359086.4 NP_995326.1 Q6UW10A0A1U9X8K0

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SFTA2ENST00000359086.4 linkuse as main transcriptc.59C>G p.Thr20Arg missense_variant, splice_region_variant 1/31 NM_205854.3 ENSP00000351989.3 Q6UW10
SFTA2ENST00000634371.1 linkuse as main transcriptc.-8-243C>G intron_variant 5 ENSP00000489572.1 A0A0U1RRK6
SFTA2ENST00000474914.1 linkuse as main transcriptn.72C>G non_coding_transcript_exon_variant 1/22

Frequencies

GnomAD3 genomes
AF:
0.000138
AC:
21
AN:
152006
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000262
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:
0.000250
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000107
AC:
26
AN:
243384
Hom.:
0
AF XY:
0.0000979
AC XY:
13
AN XY:
132724
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000204
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000960
Gnomad NFE exome
AF:
0.000155
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000148
AC:
216
AN:
1459822
Hom.:
0
Cov.:
31
AF XY:
0.000149
AC XY:
108
AN XY:
726104
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.000179
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000765
Gnomad4 NFE exome
AF:
0.000176
Gnomad4 OTH exome
AF:
0.000116
GnomAD4 genome
AF:
0.000138
AC:
21
AN:
152006
Hom.:
0
Cov.:
32
AF XY:
0.000121
AC XY:
9
AN XY:
74246
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000262
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000250
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000169
Hom.:
0
Bravo
AF:
0.000106
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000185
AC:
1
ExAC
AF:
0.0000679
AC:
8
EpiCase
AF:
0.000218
EpiControl
AF:
0.0000595

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsOct 29, 2024The c.59C>G (p.T20R) alteration is located in exon 1 (coding exon 1) of the SFTA2 gene. This alteration results from a C to G substitution at nucleotide position 59, causing the threonine (T) at amino acid position 20 to be replaced by an arginine (R). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.085
BayesDel_addAF
Benign
-0.36
T
BayesDel_noAF
Benign
-0.49
CADD
Benign
21
DANN
Benign
0.95
DEOGEN2
Benign
0.076
T
Eigen
Benign
0.017
Eigen_PC
Benign
-0.066
FATHMM_MKL
Benign
0.70
D
M_CAP
Benign
0.0083
T
MetaRNN
Benign
0.11
T
MetaSVM
Benign
-1.1
T
PrimateAI
Benign
0.34
T
PROVEAN
Pathogenic
-4.4
D
REVEL
Benign
0.031
Sift
Uncertain
0.0060
D
Sift4G
Benign
0.11
T
Polyphen
0.043
B
Vest4
0.21
MVP
0.34
MPC
0.054
ClinPred
0.18
T
GERP RS
2.9
Varity_R
0.081
gMVP
0.22

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.0056
dbscSNV1_RF
Benign
0.17
SpliceAI score (max)
0.050
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: rs141768231; hg19: chr6-30899815; API