2-27657584-C-T

Variant names:

• chr2-27657584-C-T
• rs1558499755
• NM_014860.3:c.505G>A

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_014860.3(SUPT7L):​c.505G>A​(p.Ala169Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000434 in 1,614,118 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000041 (0 hom.)
• Consequence: SUPT7L NM_014860.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 1.53
• Publications: 0 publications found

Genes affected

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: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.10890108).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014860.3. 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
	SUPT7L	NM_014860.3	MANE Select	c.505G>A	p.Ala169Thr	missense	Exon 4 of 6	NP_055675.1	O94864-1
	SUPT7L	NM_001282729.2		c.505G>A	p.Ala169Thr	missense	Exon 4 of 6	NP_001269658.1	O94864-1
	SUPT7L	NM_001282730.2		c.499G>A	p.Ala167Thr	missense	Exon 4 of 6	NP_001269659.1	O94864-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SUPT7L	ENST00000337768.10	TSL:1 MANE Select	c.505G>A	p.Ala169Thr	missense	Exon 4 of 6	ENSP00000336750.5	O94864-1
	SUPT7L	ENST00000405491.5	TSL:1	c.499G>A	p.Ala167Thr	missense	Exon 4 of 6	ENSP00000384469.1	O94864-2
	SUPT7L	ENST00000406540.5	TSL:1	c.499G>A	p.Ala167Thr	missense	Exon 3 of 5	ENSP00000385436.1	O94864-2

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152236 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.000207

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 0.00000410 AC: 6 AN: 1461882 Hom.: 0 Cov.: 31 AF XY: 0.00000275 AC XY: 2 AN XY: 727240

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

American (AMR) AF: 0.0000224 AC: 1 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: 0.0000116 AC: 1 AN: 86258

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

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5760

European-Non Finnish (NFE) AF: 0.00000270 AC: 3 AN: 1112010

Other (OTH) AF: 0.0000166 AC: 1 AN: 60394

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152236 Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1 AN XY: 74376

African (AFR) AF: 0.00 AC: 0 AN: 41464

American (AMR) AF: 0.00 AC: 0 AN: 15286

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3468

East Asian (EAS) AF: 0.00 AC: 0 AN: 5198

South Asian (SAS) AF: 0.000207 AC: 1 AN: 4834

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10624

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68044

Other (OTH) AF: 0.00 AC: 0 AN: 2092

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000756

ClinVar

ClinVar submissions

Significance: Uncertain significance

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	0.066
BayesDel_addAF	Benign	-0.15	T
BayesDel_noAF	Benign	-0.46
CADD	Benign	19
DANN	Benign	0.90
DEOGEN2	Benign	0.29	T
Eigen	Benign	-0.88
Eigen_PC	Benign	-0.71
FATHMM_MKL	Uncertain	0.81	D
LIST_S2	Uncertain	0.86	D
M_CAP	Benign	0.0028	T
MetaRNN	Benign	0.11	T
MetaSVM	Benign	-0.97	T
MutationAssessor	Benign	1.4	L
PhyloP100		1.5
PrimateAI	Benign	0.48	T
PROVEAN	Benign	-0.88	N
REVEL	Benign	0.020
Sift	Benign	0.45	T
Sift4G	Benign	0.45	T
Polyphen		0.0030	B
Vest4		0.24
MutPred		0.33		Loss of helix (P = 0.028)
MVP		0.082
MPC		0.25
ClinPred		0.14	T
GERP RS		1.7
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1
Varity_R		0.021
gMVP		0.56
Mutation Taster		=93/7	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: rs1558499755; hg19: chr2-27880451;