chr14-102084920-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_005348.4(HSP90AA1):​c.742G>A​(p.Glu248Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000021 in 1,428,080 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/19 in silico tools predict a benign 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

HSP90AA1
NM_005348.4 missense

Scores

4
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.19
Variant links:
Genes affected
HSP90AA1 (HGNC:5253): (heat shock protein 90 alpha family class A member 1) The protein encoded by this gene is an inducible molecular chaperone that functions as a homodimer. The encoded protein aids in the proper folding of specific target proteins by use of an ATPase activity that is modulated by co-chaperones. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2012]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.15508044).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
HSP90AA1NM_005348.4 linkuse as main transcriptc.742G>A p.Glu248Lys missense_variant 5/11 ENST00000216281.13 NP_005339.3 P07900-1K9JA46
HSP90AA1NM_001017963.3 linkuse as main transcriptc.1108G>A p.Glu370Lys missense_variant 6/12 NP_001017963.2 P07900-2Q86SX1
HSP90AA1XM_011536718.3 linkuse as main transcriptc.1105G>A p.Glu369Lys missense_variant 6/12 XP_011535020.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
HSP90AA1ENST00000216281.13 linkuse as main transcriptc.742G>A p.Glu248Lys missense_variant 5/111 NM_005348.4 ENSP00000216281.8 P07900-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
0.00000210
AC:
3
AN:
1428080
Hom.:
0
Cov.:
27
AF XY:
0.00
AC XY:
0
AN XY:
712156
show subpopulations
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:
0.00000276
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.00000756

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsDec 15, 2023The c.742G>A (p.E248K) alteration is located in exon 5 (coding exon 4) of the HSP90AA1 gene. This alteration results from a G to A substitution at nucleotide position 742, causing the glutamic acid (E) at amino acid position 248 to be replaced by a lysine (K). 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
0.091
BayesDel_addAF
Benign
-0.12
T
BayesDel_noAF
Benign
-0.41
CADD
Benign
21
DANN
Uncertain
0.99
DEOGEN2
Benign
0.092
T;.
Eigen
Benign
-0.34
Eigen_PC
Benign
-0.19
FATHMM_MKL
Uncertain
0.89
D
LIST_S2
Uncertain
0.88
D;D
M_CAP
Benign
0.0098
T
MetaRNN
Benign
0.16
T;T
MetaSVM
Benign
-1.1
T
PrimateAI
Uncertain
0.52
T
PROVEAN
Benign
-0.24
N;N
REVEL
Benign
0.028
Sift
Benign
0.47
T;T
Sift4G
Benign
0.20
T;T
Polyphen
0.0
B;B
Vest4
0.46
MutPred
0.46
Gain of methylation at E248 (P = 0.0038);.;
MVP
0.59
ClinPred
0.33
T
GERP RS
3.5
Varity_R
0.043
gMVP
0.46

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

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs2049187841; hg19: chr14-102551257; API