4-105719232-T-G

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2 PP3

The NM_001370181.1(GSTCD):c.599T>G(p.Leu200Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,826 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000021 (0 hom.)
• Consequence: GSTCD NM_001370181.1 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 7.34

Genes affected

GSTCD (HGNC:25806): (glutathione S-transferase C-terminal domain containing) Located in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

INTS12 (HGNC:25067): (integrator complex subunit 12) INTS12 is a subunit of the Integrator complex, which associates with the C-terminal domain of RNA polymerase II large subunit (POLR2A; MIM 180660) and mediates 3-prime end processing of small nuclear RNAs U1 (RNU1; MIM 180680) and U2 (RNU2; MIM 180690) (Baillat et al., 2005 [PubMed 16239144]).[supplied by OMIM, Mar 2008]

ACMG classification

Verdict is Uncertain_significance. Variant got 3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.768

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
GSTCD	NM_001370181.1	c.599T>G	p.Leu200Arg	missense_variant	3/12	ENST00000515279.6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
GSTCD	ENST00000515279.6	c.599T>G	p.Leu200Arg	missense_variant	3/12	5	NM_001370181.1	P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 0.00000205 AC: 3 AN: 1461826 Hom.: 0 Cov.: 31 AF XY: 0.00000275 AC XY: 2 AN XY: 727226

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00000270

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Mar 02, 2023

The c.599T>G (p.L200R) alteration is located in exon 3 (coding exon 2) of the GSTCD gene. This alteration results from a T to G substitution at nucleotide position 599, causing the leucine (L) at amino acid position 200 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	Uncertain	0.35
BayesDel_addAF	Pathogenic	0.39	D
BayesDel_noAF	Pathogenic	0.33
Cadd	Pathogenic	26
Dann	Uncertain	1.0
Eigen	Pathogenic	0.76
Eigen_PC	Pathogenic	0.69
FATHMM_MKL	Pathogenic	0.98	D
LIST_S2	Uncertain	0.88	D;D;.;.;D
M_CAP	Benign	0.048	D
MetaRNN	Pathogenic	0.77	D;D;D;D;D
MetaSVM	Uncertain	-0.0095	T
MutationTaster	Benign	1.0	D;D;D;D;D
PrimateAI	Uncertain	0.71	T
PROVEAN	Uncertain	-2.5	D;D;N;N;N
REVEL	Uncertain	0.57
Sift	Uncertain	0.0030	D;D;D;D;D
Sift4G	Uncertain	0.014	D;D;D;D;D
Polyphen		1.0	.;D;D;D;D
Vest4		0.76
MutPred		0.31		.;.;Gain of methylation at K201 (P = 0.0367);Gain of methylation at K201 (P = 0.0367);Gain of methylation at K201 (P = 0.0367);
MVP		0.72
MPC		0.51
ClinPred		0.98	D
GERP RS		5.2
Varity_R		0.66
gMVP		0.60

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr4-106640389;