1-9246974-G-C

Variant names:

• chr1-9246974-G-C
• rs7524046
• NM_004285.4:c.636G>C

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2 BP4_Strong BP7

The NM_004285.4(H6PD):​c.636G>C​(p.Ala212Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. A212A) has been classified as Benign.

• Frequency: Genomes: not found (cov: 31)
• Consequence: H6PD NM_004285.4 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.424
• Publications: 14 publications found

Genes affected

H6PD (HGNC:4795): (hexose-6-phosphate dehydrogenase/glucose 1-dehydrogenase) There are 2 forms of glucose-6-phosphate dehydrogenase. G form is X-linked and H form, encoded by this gene, is autosomally linked. This H form shows activity with other hexose-6-phosphates, especially galactose-6-phosphate, whereas the G form is specific for glucose-6-phosphate. Both forms are present in most tissues, but H form is not found in red cells. [provided by RefSeq, Jul 2008]

H6PD Gene-Disease associations (from GenCC):

• cortisone reductase deficiency 1

  Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics
• cortisone reductase deficiency

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Likely_benign. The variant received -3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.72).
• BP7: Synonymous conserved (PhyloP=-0.424 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004285.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	H6PD	NM_004285.4	MANE Select	c.636G>C	p.Ala212Ala	synonymous	Exon 3 of 5	NP_004276.2
	H6PD	NM_001282587.2		c.669G>C	p.Ala223Ala	synonymous	Exon 3 of 5	NP_001269516.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	H6PD	ENST00000377403.7	TSL:1 MANE Select	c.636G>C	p.Ala212Ala	synonymous	Exon 3 of 5	ENSP00000366620.2
	H6PD	ENST00000602477.1	TSL:1	c.669G>C	p.Ala223Ala	synonymous	Exon 3 of 5	ENSP00000473348.1

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 31

Alfa AF: 0.00 Hom.: 12883

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.72
CADD	Benign	0.16
DANN	Benign	0.55
PhyloP100		-0.42
Mutation Taster		=98/2	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		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: rs7524046; hg19: chr1-9307033;