NM_002653.5:c.927G>A

Variant names:

• chr5-135028797-C-T
• rs545789577
• NM_002653.5:c.927G>A

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 0P and 7B. BP4_Moderate BP7 BS2

The NM_002653.5(PITX1):​c.927G>A​(p.Ala309Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000498 in 1,605,594 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 33)
  • Exomes 𝑓: 0.0000048 (0 hom.)
• Consequence: PITX1 NM_002653.5 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.18

Genes affected

PITX1 (HGNC:9004): (paired like homeodomain 1) This gene encodes a member of the RIEG/PITX homeobox family, which is in the bicoid class of homeodomain proteins. Members of this family are involved in organ development and left-right asymmetry. This protein acts as a transcriptional regulator involved in basal and hormone-regulated activity of prolactin. [provided by RefSeq, Jul 2008]

ACMG classification

Verdict is Benign. Variant got -7 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.37).
• BP7: Synonymous conserved (PhyloP=1.18 with no splicing effect.
• BS2: High AC in GnomAdExome4 at 7 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PITX1	NM_002653.5	c.927G>A	p.Ala309Ala	synonymous_variant	Exon 3 of 3	ENST00000265340.12	NP_002644.4
PITX1	XM_047417318.1	c.1029G>A	p.Ala343Ala	synonymous_variant	Exon 4 of 4		XP_047273274.1
PITX1	XM_047417319.1	c.582G>A	p.Ala194Ala	synonymous_variant	Exon 3 of 3		XP_047273275.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PITX1	ENST00000265340.12	c.927G>A	p.Ala309Ala	synonymous_variant	Exon 3 of 3	1	NM_002653.5	ENSP00000265340.6
PITX1	ENST00000506438.5	c.927G>A	p.Ala309Ala	synonymous_variant	Exon 4 of 4	1		ENSP00000427542.1

Frequencies

GnomAD3 genomes AF: 0.00000659 AC: 1 AN: 151808 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.0000242

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD3 exomes AF: 0.0000171 AC: 4 AN: 233802 Hom.: 0 AF XY: 0.0000156 AC XY: 2 AN XY: 128550

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.0000887

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.0000332

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000482 AC: 7 AN: 1453786 Hom.: 0 Cov.: 32 AF XY: 0.00000553 AC XY: 4 AN XY: 722978

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.0000676

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.0000116

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00000270

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome AF: 0.00000659 AC: 1 AN: 151808 Hom.: 0 Cov.: 33 AF XY: 0.0000135 AC XY: 1 AN XY: 74166

Gnomad4 AFR AF: 0.0000242

Gnomad4 AMR AF: 0.00

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.00

Gnomad4 OTH AF: 0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.37
CADD	Benign	11
DANN	Benign	0.97
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7

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: rs545789577; hg19: chr5-134364487;