1-236555652-C-G

Position:

• chr1-236555652-C-G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2 BP4

The NM_018072.6(HEATR1):​c.5653G>C​(p.Asp1885His) variant causes a missense 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. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 33)
• Consequence: HEATR1 NM_018072.6 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 1.97

Genes affected

HEATR1 (HGNC:25517): (HEAT repeat containing 1) Enables RNA binding activity. Involved in positive regulation of rRNA processing and positive regulation of transcription by RNA polymerase I. Located in fibrillar center and mitochondrion. Implicated in pancreatic ductal carcinoma. Biomarker of glioblastoma. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.40979066).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
HEATR1	NM_018072.6	c.5653G>C	p.Asp1885His	missense_variant	40/45	ENST00000366582.8	NP_060542.4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
HEATR1	ENST00000366582.8	c.5653G>C	p.Asp1885His	missense_variant	40/45	5	NM_018072.6	ENSP00000355541	P1
HEATR1	ENST00000366581.6	c.5410G>C	p.Asp1804His	missense_variant	39/44	5		ENSP00000355540

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 35

GnomAD4 genome Cov.: 33

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

Feb 28, 2024

The c.5653G>C (p.D1885H) alteration is located in exon 40 (coding exon 39) of the HEATR1 gene. This alteration results from a G to C substitution at nucleotide position 5653, causing the aspartic acid (D) at amino acid position 1885 to be replaced by a histidine (H). 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	Benign	0.11
BayesDel_addAF	Benign	-0.11	T
BayesDel_noAF	Benign	-0.40
CADD	Benign	22
DANN	Uncertain	0.99
DEOGEN2	Benign	0.042	T;.
Eigen	Benign	0.14
Eigen_PC	Benign	0.0064
FATHMM_MKL	Uncertain	0.95	D
LIST_S2	Uncertain	0.91	D;D
M_CAP	Benign	0.045	D
MetaRNN	Benign	0.41	T;T
MetaSVM	Benign	-0.72	T
MutationAssessor	Uncertain	2.7	M;.
MutationTaster	Benign	1.0	D;D
PrimateAI	Benign	0.36	T
PROVEAN	Uncertain	-3.6	D;D
REVEL	Benign	0.17
Sift	Uncertain	0.012	D;D
Sift4G	Uncertain	0.020	D;D
Polyphen		1.0	D;D
Vest4		0.35
MutPred		0.59		Gain of helix (P = 0.062);.;
MVP		0.57
MPC		0.14
ClinPred		0.87	D
GERP RS		1.5
Varity_R		0.54
gMVP		0.37

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: rs536014077; hg19: chr1-236718952;