2-27663813-A-G

Variant names:

• chr2-27663813-A-G
• rs1675240866
• ENST00000912953.1:c.-102A>G

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM2 BP4_Strong BP6_Moderate

The ENST00000912953.1(SLC4A1AP):​c.-102A>G variant causes a 5 prime UTR premature start codon gain change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000889 in 1,461,890 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

• Frequency:
  • Genomes: not found (cov: 31)
  • Exomes 𝑓: 0.0000089 (0 hom.)
• Consequence: SLC4A1AP ENST00000912953.1 5_prime_UTR_premature_start_codon_gain
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: 0.0950
• Publications: 0 publications found

Genes affected

SLC4A1AP (HGNC:13813): (solute carrier family 4 member 1 adaptor protein) Predicted to enable mRNA binding activity. Located in nucleoplasm and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

SUPT7L (HGNC:30632): (SPT7 like, STAGA complex subunit gamma) SUPT7L is a protein subunit of the human STAGA complex (SPT3; (MIM 602947)/TAF9 (MIM 600822)/GCN5 (MIM 602301) acetyltransferase complex), which is a chromatin-modifying multiprotein complex (Martinez et al., 2001 [PubMed 11564863]).[supplied by OMIM, Apr 2009]

SUPT7L Gene-Disease associations (from GenCC):

• lipodystrophy

  Inheritance: AR Classification: LIMITED Submitted by: PanelApp Australia, Ambry Genetics

ACMG classification

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

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.046120524).
• BP6: Variant 2-27663813-A-G is Benign according to our data. Variant chr2-27663813-A-G is described in ClinVar as Likely_benign. ClinVar VariationId is 3797994.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000912953.1. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC4A1AP	NM_018158.3	MANE Select	c.-102A>G		upstream_gene	N/A	NP_060628.3	Q9BWU0-2
	SUPT7L	NM_014860.3	MANE Select	c.-574T>C		upstream_gene	N/A	NP_055675.1	O94864-1
	SUPT7L	NM_001282729.2		c.-579T>C		upstream_gene	N/A	NP_001269658.1	O94864-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC4A1AP	ENST00000912953.1		c.-102A>G		5_prime_UTR_premature_start_codon_gain	Exon 1 of 14	ENSP00000583012.1
	SLC4A1AP	ENST00000953679.1		c.-102A>G		5_prime_UTR_premature_start_codon_gain	Exon 1 of 14	ENSP00000623738.1
	SLC4A1AP	ENST00000696012.1		c.-102A>G		5_prime_UTR_premature_start_codon_gain	Exon 1 of 13	ENSP00000512328.1	A0A8Q3WLG9

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome AF: 0.00000889 AC: 13 AN: 1461890 Hom.: 0 Cov.: 29 AF XY: 0.00000688 AC XY: 5 AN XY: 727246

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53420

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.0000117 AC: 13 AN: 1112008

Other (OTH) AF: 0.00 AC: 0 AN: 60396

GnomAD4 genome Cov.: 31

Alfa AF: 0.0000936 Hom.: 0

Bravo AF: 0.00000378

ClinVar

ClinVar submissions

Significance: Likely benign

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	-	1	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.056
BayesDel_addAF	Benign	-0.25	T
BayesDel_noAF	Benign	-0.60
CADD	Benign	7.6
DANN	Benign	0.53
DEOGEN2	Benign	0.0022	T
Eigen	Benign	-1.5
Eigen_PC	Benign	-1.5
FATHMM_MKL	Benign	0.016	N
LIST_S2	Benign	0.20	T
M_CAP	Benign	0.0020	T
MetaRNN	Benign	0.046	T
MetaSVM	Benign	-0.99	T
MutationAssessor	Benign	0.0	N
PhyloP100		0.095
PrimateAI	Benign	0.31	T
PROVEAN	Benign	0.060	N
REVEL	Benign	0.015
Sift	Benign	0.13	T
Sift4G	Benign	0.25	T
Polyphen		0.0	B
Vest4		0.045
MutPred		0.11		Loss of glycosylation at T21 (P = 0.0086)
MVP		0.14
MPC		0.26
ClinPred		0.16	T
GERP RS		-0.16
PromoterAI		-0.16	Neutral
Varity_R		0.037
gMVP		0.14
Mutation Taster		=100/0	polymorphism

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

Other links and lift over

dbSNP: rs1675240866; hg19: chr2-27886680;