NM_005522.5:c.194A>C

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_StrongBP6

The NM_005522.5(HOXA1):​c.194A>C​(p.His65Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000509 in 1,604,488 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: š‘“ 0.00036 ( 0 hom., cov: 30)
Exomes š‘“: 0.00052 ( 0 hom. )

Consequence

HOXA1
NM_005522.5 missense

Scores

4
13

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: 1.51
Variant links:
Genes affected
HOXA1 (HGNC:5099): (homeobox A1) In vertebrates, the genes encoding the class of transcription factors called homeobox genes are found in clusters named A, B, C, and D on four separate chromosomes. Expression of these proteins is spatially and temporally regulated during embryonic development. This gene is part of the A cluster on chromosome 7 and encodes a DNA-binding transcription factor which may regulate gene expression, morphogenesis, and differentiation. The encoded protein may be involved in the placement of hindbrain segments in the proper location along the anterior-posterior axis during development. Two transcript variants encoding two different isoforms have been found for this gene, with only one of the isoforms containing the homeodomain region. [provided by RefSeq, Jul 2008]
HOTAIRM1 (HGNC:37117): (HOXA transcript antisense RNA, myeloid-specific 1) This non-coding locus is located in the HOX gene cluster. Transcription of this locus is induced by retinoic acid, and transcripts likely function in regulation of myelopoiesis through transcriptional activation of several genes in the HOXA cluster, in addition to several beta-2 integrins. [provided by RefSeq, Jan 2013]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.012768209).
BP6
Variant 7-27095719-T-G is Benign according to our data. Variant chr7-27095719-T-G is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 359969.We mark this variant Likely_benign, oryginal submissions are: {Benign=1, Uncertain_significance=1}.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
HOXA1NM_005522.5 linkc.194A>C p.His65Pro missense_variant Exon 1 of 2 ENST00000643460.2 NP_005513.2 P49639
HOXA1NM_153620.3 linkc.194A>C p.His65Pro missense_variant Exon 1 of 3 NP_705873.3 P49639

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
HOXA1ENST00000643460.2 linkc.194A>C p.His65Pro missense_variant Exon 1 of 2 NM_005522.5 ENSP00000494260.2 A0A2R8Y4R9
HOXA1ENST00000355633.5 linkc.194A>C p.His65Pro missense_variant Exon 1 of 3 1 ENSP00000347851.5 E7ERT8
HOTAIRM1ENST00000495032.1 linkn.26+47T>G intron_variant Intron 1 of 1 5

Frequencies

GnomAD3 genomes
AF:
0.000365
AC:
55
AN:
150718
Hom.:
0
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.0000729
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000662
Gnomad ASJ
AF:
0.00145
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000212
Gnomad FIN
AF:
0.0000959
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000652
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000439
AC:
108
AN:
245984
Hom.:
0
AF XY:
0.000413
AC XY:
55
AN XY:
133314
show subpopulations
Gnomad AFR exome
AF:
0.0000621
Gnomad AMR exome
AF:
0.000116
Gnomad ASJ exome
AF:
0.00194
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000330
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000637
Gnomad OTH exome
AF:
0.000661
GnomAD4 exome
AF:
0.000524
AC:
762
AN:
1453656
Hom.:
0
Cov.:
38
AF XY:
0.000524
AC XY:
379
AN XY:
723106
show subpopulations
Gnomad4 AFR exome
AF:
0.0000598
Gnomad4 AMR exome
AF:
0.000180
Gnomad4 ASJ exome
AF:
0.00213
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.000221
Gnomad4 FIN exome
AF:
0.0000379
Gnomad4 NFE exome
AF:
0.000589
Gnomad4 OTH exome
AF:
0.000399
GnomAD4 genome
AF:
0.000365
AC:
55
AN:
150832
Hom.:
0
Cov.:
30
AF XY:
0.000272
AC XY:
20
AN XY:
73634
show subpopulations
Gnomad4 AFR
AF:
0.0000727
Gnomad4 AMR
AF:
0.0000661
Gnomad4 ASJ
AF:
0.00145
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000212
Gnomad4 FIN
AF:
0.0000959
Gnomad4 NFE
AF:
0.000652
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000595
Hom.:
0
Bravo
AF:
0.000336
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000465
AC:
4
ExAC
AF:
0.000387
AC:
47

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Bosley-Salih-Alorainy syndrome Uncertain:1
Jun 14, 2016
Illumina Laboratory Services, Illumina
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Inborn genetic diseases Benign:1
Nov 10, 2018
Ambry Genetics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.051
BayesDel_addAF
Benign
-0.21
T
BayesDel_noAF
Benign
-0.15
CADD
Benign
17
DANN
Benign
0.71
Eigen
Benign
-0.19
Eigen_PC
Benign
-0.11
FATHMM_MKL
Uncertain
0.88
D
LIST_S2
Benign
0.56
.;T;T
M_CAP
Uncertain
0.15
D
MetaRNN
Benign
0.013
T;T;T
MetaSVM
Uncertain
-0.27
T
PrimateAI
Benign
0.43
T
PROVEAN
Benign
1.2
N;.;N
REVEL
Uncertain
0.32
Sift
Benign
0.42
T;.;T
Sift4G
Benign
0.33
T;.;T
Polyphen
0.95
.;.;P
Vest4
0.24
MVP
0.97
MPC
1.2
ClinPred
0.015
T
GERP RS
4.1
gMVP
0.47

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: rs146782650; hg19: chr7-27135338; COSMIC: COSV56065521; COSMIC: COSV56065521; API