Genetic Variant SLC6A7:p.Pro180Thr (chr5-150197230-C-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_014228.5(SLC6A7):c.538C>A(p.Pro180Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,094 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P180A) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

SLC6A7
NM_014228.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.306

Publications

0 publications found

Variant links:

Genes affected

SLC6A7 (HGNC:11054): (solute carrier family 6 member 7) This gene is a member of the gamma-aminobutyric acid (GABA) neurotransmitter gene family and encodes a high-affinity mammalian brain L-proline transporter protein. This transporter protein differs from other sodium-dependent plasma membrane carriers by its pharmacological specificity, kinetic properties, and ionic requirements. [provided by RefSeq, Jul 2008]

SLC6A7 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.094677895).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014228.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC6A7	NM_014228.5	MANE Select	c.538C>A	p.Pro180Thr	missense	Exon 4 of 14	NP_055043.2	Q99884

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC6A7	ENST00000230671.7	TSL:1 MANE Select	c.538C>A	p.Pro180Thr	missense	Exon 4 of 14	ENSP00000230671.2	Q99884
	SLC6A7	ENST00000524041.1	TSL:5	c.538C>A	p.Pro180Thr	missense	Exon 4 of 16	ENSP00000428200.1	E5RJL1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461094

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726814

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33476

American (AMR)

AF:

0.00

AC:

AN:

44712

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26104

East Asian (EAS)

AF:

0.00

AC:

AN:

39694

South Asian (SAS)

AF:

0.00

AC:

AN:

86206

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53008

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111746

Other (OTH)

AF:

0.00

AC:

AN:

60380

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.083

BayesDel_addAF

Benign

-0.069

BayesDel_noAF

Benign

-0.34

CADD

Benign

(source)

DANN

Benign

0.73

DEOGEN2

Benign

0.098

Eigen

Benign

-0.74

Eigen_PC

Benign

-0.52

FATHMM_MKL

Benign

0.44

LIST_S2

Benign

0.65

M_CAP

Benign

0.017

MetaRNN

Benign

0.095

MetaSVM

Benign

-0.96

MutationAssessor

Benign

-0.64

PhyloP100

0.31

PrimateAI

Uncertain

0.51

PROVEAN

Benign

0.36

REVEL

Benign

0.14

Sift

Benign

0.33

Sift4G

Benign

0.53

Polyphen

0.0010

Vest4

0.26

MutPred

0.31

Gain of phosphorylation at P180 (P = 0.072)

MVP

0.73

MPC

0.26

ClinPred

0.21

GERP RS

2.9

Varity_R

0.066

gMVP

0.64

Mutation Taster

=87/13

polymorphism

(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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over