10-79946452-C-T

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP4_Strong BP6_Very_Strong BS2

The NM_003019.5(SFTPD):c.199+9G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00301 in 1,609,382 control chromosomes in the GnomAD database, including 21 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

• Frequency:
  • Genomes: 𝑓 0.0022 (1 hom., cov: 33)
  • Exomes 𝑓: 0.0031 (20 hom.)
• Consequence: SFTPD NM_003019.5 intron
• Clinical Significance: Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4
• Conservation: PhyloP100: 0.563

Genes affected

SFTPD (HGNC:10803): (surfactant protein D) The protein encoded by this gene is part of the innate immune response, protecting the lungs against inhaled microorganisms and chemicals. The encoded protein may also be involved in surfactant metabolism. [provided by RefSeq, Jul 2015]

(HGNC:):

ACMG classification

Verdict is Benign. Variant got -16 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.8).
• BP6: Variant 10-79946452-C-T is Benign according to our data. Variant chr10-79946452-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 227074.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
• BS2: High Homozygotes in GnomAdExome at 6 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
SFTPD	NM_003019.5	c.199+9G>A		intron_variant		ENST00000372292.8
SFTPD	XM_011540087.2	c.199+9G>A		intron_variant
SFTPD	XM_011540088.3	c.199+9G>A		intron_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
SFTPD	ENST00000372292.8	c.199+9G>A		intron_variant		1	NM_003019.5	P1
SFTPD	ENST00000444384.3	c.238+9G>A		intron_variant		3
	ENST00000421889.1	n.334-3576C>T		intron_variant, non_coding_transcript_variant		3

Frequencies

GnomAD3 genomes AF: 0.00219 AC: 334 AN: 152230 Hom.: 1 Cov.: 33

Gnomad AFR AF: 0.000627

Gnomad AMI AF: 0.0110

Gnomad AMR AF: 0.00124

Gnomad ASJ AF: 0.0109

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00973

Gnomad FIN AF: 0.0000941

Gnomad MID AF: 0.00316

Gnomad NFE AF: 0.00272

Gnomad OTH AF: 0.00335

GnomAD3 exomes AF: 0.00338 AC: 846 AN: 250220 Hom.: 6 AF XY: 0.00398 AC XY: 539 AN XY: 135344

Gnomad AFR exome AF: 0.000310

Gnomad AMR exome AF: 0.00145

Gnomad ASJ exome AF: 0.00756

Gnomad EAS exome AF: 0.0000544

Gnomad SAS exome AF: 0.0111

Gnomad FIN exome AF: 0.000472

Gnomad NFE exome AF: 0.00291

Gnomad OTH exome AF: 0.00574

GnomAD4 exome AF: 0.00310 AC: 4510 AN: 1457034 Hom.: 20 Cov.: 30 AF XY: 0.00335 AC XY: 2426 AN XY: 725106

Gnomad4 AFR exome AF: 0.000509

Gnomad4 AMR exome AF: 0.00179

Gnomad4 ASJ exome AF: 0.00915

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.0114

Gnomad4 FIN exome AF: 0.000604

Gnomad4 NFE exome AF: 0.00265

Gnomad4 OTH exome AF: 0.00301

GnomAD4 genome AF: 0.00218 AC: 332 AN: 152348 Hom.: 1 Cov.: 33 AF XY: 0.00228 AC XY: 170 AN XY: 74494

Gnomad4 AFR AF: 0.000625

Gnomad4 AMR AF: 0.00124

Gnomad4 ASJ AF: 0.0109

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00932

Gnomad4 FIN AF: 0.0000941

Gnomad4 NFE AF: 0.00272

Gnomad4 OTH AF: 0.00331

Alfa AF: 0.00234 Hom.: 1

Bravo AF: 0.00220

Asia WGS AF: 0.00433 AC: 15 AN: 3478

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

Submissions by phenotype

not specified Benign:2

Benign, criteria provided, single submitter	clinical testing	Eurofins Ntd Llc (ga)	Sep 18, 2015	- -
Benign, criteria provided, single submitter	clinical testing	Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine	Feb 21, 2013	199+9G>A in intron 2 of SFTPD: This variant is not expected to have clinical sig nificance because it is not located within the conserved splice consensus sequen ce. It has been identified in 0.4% (32/8600) of European American chromosomes fr om a broad population by the NHLBI Exome Sequencing Project (http://evs.gs.washi ngton.edu/EVS; dbSNP rs6413522). -

not provided Benign:1

Benign, criteria provided, single submitter

clinical testing

Invitae

Oct 05, 2017

- -

SFTPD-related disorder Benign:1

Likely benign, criteria provided, single submitter

clinical testing

PreventionGenetics, part of Exact Sciences

Mar 05, 2019

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.80
Cadd	Benign	16
Dann	Benign	0.73

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

LitVar

Other links and lift over

dbSNP: rs6413522; hg19: chr10-81706208;