Genetic Variant NM_033343.4:c.569T>G (chr1-180271497-T-G) – ACMG Classification: Likely_pathogenic (7 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 7 ACMG points: 7P and 0B. PM2PP3_StrongPP5

The NM_033343.4(LHX4):c.569T>G(p.Leu190Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 13/22 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. L190P) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Consequence

LHX4
NM_033343.4 missense

Scores

Clinical Significance

Pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 7.89

Publications

5 publications found

Variant links:

Genes affected

LHX4 (HGNC:21734): (LIM homeobox 4) This gene encodes a member of a large protein family which contains the LIM domain, a unique cysteine-rich zinc-binding domain. The encoded protein is a transcription factor involved in the control of differentiation and development of the pituitary gland. Mutations in this gene cause combined pituitary hormone deficiency 4. [provided by RefSeq, Dec 2010]

LHX4 links:

ACBD6 (HGNC:23339): (acyl-CoA binding domain containing 6) Predicted to enable fatty-acyl-CoA binding activity and lipid binding activity. Predicted to be located in cytosol. [provided by Alliance of Genome Resources, Apr 2022]

ACBD6 links:

LHX4-AS1 (HGNC:40982): (LHX4 antisense RNA 1)

LHX4-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 7 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.989

PP5

Variant 1-180271497-T-G is Pathogenic according to our data. Variant chr1-180271497-T-G is described in ClinVar as Pathogenic. ClinVar VariationId is 7509.Status of the report is no_assertion_criteria_provided, 0 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_033343.4. 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
	LHX4	NM_033343.4	MANE Select	c.569T>G	p.Leu190Arg	missense	Exon 4 of 6	NP_203129.1
	LHX4-AS1	NR_037642.1		n.823A>C		non_coding_transcript_exon	Exon 5 of 5

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
LHX4	ENST00000263726.4	TSL:1 MANE Select	c.569T>G	p.Leu190Arg	missense	Exon 4 of 6	ENSP00000263726.2
ACBD6	ENST00000415414.5	TSL:2	n.823A>C		non_coding_transcript_exon	Exon 5 of 5
LHX4	ENST00000561113.1	TSL:2	n.*52T>G		non_coding_transcript_exon	Exon 3 of 4	ENSP00000452783.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000654

Hom.:

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

LINK: link

Submissions by phenotype

Short stature-pituitary and cerebellar defects-small sella turcica syndrome

Pathogenic:1

Mar 01, 2008

OMIM

Significance:Pathogenic

Review Status:no assertion criteria provided

Collection Method:literature only

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

1.0

BayesDel_addAF

Pathogenic

0.57

BayesDel_noAF

Pathogenic

0.58

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.96

Eigen

Pathogenic

0.98

Eigen_PC

Pathogenic

0.87

FATHMM_MKL

Uncertain

0.93

LIST_S2

Uncertain

0.91

M_CAP

Pathogenic

0.81

MetaRNN

Pathogenic

0.99

MetaSVM

Pathogenic

1.0

MutationAssessor

Pathogenic

4.1

PhyloP100

7.9

PrimateAI

Pathogenic

0.91

PROVEAN

Pathogenic

-5.6

REVEL

Pathogenic

0.99

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0

Polyphen

1.0

Vest4

0.99

MutPred

0.88

Gain of MoRF binding (P = 0.0168)

MVP

1.0

MPC

0.99

ClinPred

1.0

GERP RS

5.3

Varity_R

0.99

gMVP

0.93

Mutation Taster

=26/74

disease causing (ClinVar)

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over