Incidental Mutation 'R1489:Slc7a7'
ID 163622
Institutional Source Beutler Lab
Gene Symbol Slc7a7
Ensembl Gene ENSMUSG00000000958
Gene Name solute carrier family 7 (cationic amino acid transporter, y+ system), member 7
Synonyms my+lat1
MMRRC Submission 039541-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1489 (G1)
Quality Score 225
Status Validated
Chromosome 14
Chromosomal Location 54606899-54655237 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 54646103 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Histidine at position 120 (R120H)
Ref Sequence ENSEMBL: ENSMUSP00000154352 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000000984] [ENSMUST00000195970] [ENSMUST00000195999] [ENSMUST00000196215] [ENSMUST00000197440] [ENSMUST00000200545] [ENSMUST00000226753] [ENSMUST00000227334] [ENSMUST00000227967] [ENSMUST00000228488]
AlphaFold Q9Z1K8
Predicted Effect probably damaging
Transcript: ENSMUST00000000984
AA Change: R120H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000000984
Gene: ENSMUSG00000000958
AA Change: R120H

DomainStartEndE-ValueType
Pfam:AA_permease_2 38 463 2e-64 PFAM
Pfam:AA_permease 43 463 6.3e-28 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000195970
AA Change: R120H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143091
Gene: ENSMUSG00000000958
AA Change: R120H

DomainStartEndE-ValueType
Pfam:AA_permease_2 38 462 6.4e-66 PFAM
Pfam:AA_permease 43 467 5.3e-31 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000195999
Predicted Effect probably benign
Transcript: ENSMUST00000196215
SMART Domains Protein: ENSMUSP00000142710
Gene: ENSMUSG00000000958

DomainStartEndE-ValueType
transmembrane domain 38 57 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000197440
AA Change: R120H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143743
Gene: ENSMUSG00000000958
AA Change: R120H

DomainStartEndE-ValueType
Pfam:AA_permease_2 38 463 2e-64 PFAM
Pfam:AA_permease 43 463 6.3e-28 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000200545
AA Change: R120H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000142587
Gene: ENSMUSG00000000958
AA Change: R120H

DomainStartEndE-ValueType
Pfam:Trp_Tyr_perm 36 183 7.5e-5 PFAM
Pfam:AA_permease_2 38 186 4.3e-19 PFAM
Pfam:AA_permease 43 185 2.4e-6 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000226753
AA Change: R120H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Predicted Effect probably damaging
Transcript: ENSMUST00000227334
AA Change: R120H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Predicted Effect probably damaging
Transcript: ENSMUST00000227967
AA Change: R120H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Predicted Effect probably damaging
Transcript: ENSMUST00000228488
AA Change: R120H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Meta Mutation Damage Score 0.6467 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.4%
  • 10x: 96.7%
  • 20x: 93.9%
Validation Efficiency 96% (52/54)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is the light subunit of a cationic amino acid transporter. This sodium-independent transporter is formed when the light subunit encoded by this gene dimerizes with the heavy subunit transporter protein SLC3A2. This transporter is found in epithelial cell membranes where it transfers cationic and large neutral amino acids from the cell to the extracellular space. Defects in this gene are a cause of lysinuric protein intolerance (LPI). Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2011]
PHENOTYPE: Homozygous null mice exhibit fetal growth retardation and often die neonatally. After heavy protein ingestion, surviving adults show a metabolic derangement akin to lysinuric protein intolerance and including a lasting postnatal growth retardation, splenomegaly, hyperammonemia, and aminoaciduria. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700097O09Rik A G 12: 55,106,295 (GRCm39) S143P possibly damaging Het
4930522H14Rik T C 4: 109,362,654 (GRCm39) K218E possibly damaging Het
Abcb1a T A 5: 8,736,300 (GRCm39) probably null Het
Adam39 A G 8: 41,278,031 (GRCm39) T141A possibly damaging Het
Adam6b T A 12: 113,455,071 (GRCm39) S629R probably benign Het
Ap3b2 C A 7: 81,113,438 (GRCm39) E924* probably null Het
Armc3 A T 2: 19,314,858 (GRCm39) Y856F probably benign Het
Asap1 A G 15: 64,044,579 (GRCm39) L142P probably damaging Het
Atg9a T A 1: 75,162,734 (GRCm39) D427V probably damaging Het
Atl2 G A 17: 80,160,135 (GRCm39) A17V probably benign Het
Atxn2l A T 7: 126,095,639 (GRCm39) S379T probably damaging Het
C1ql3 G T 2: 13,015,453 (GRCm39) P69Q possibly damaging Het
Cap2 A T 13: 46,763,111 (GRCm39) I114F probably damaging Het
Ccdc168 A G 1: 44,096,950 (GRCm39) F1383L probably benign Het
Ccdc168 T C 1: 44,100,667 (GRCm39) I144V probably benign Het
Cox16 T C 12: 81,521,389 (GRCm39) N135S probably null Het
Dnajc13 A T 9: 104,108,234 (GRCm39) H180Q possibly damaging Het
Dpy19l3 A T 7: 35,424,835 (GRCm39) Y73* probably null Het
Duox2 T A 2: 122,123,877 (GRCm39) M436L probably benign Het
Exoc6 T A 19: 37,585,568 (GRCm39) M481K possibly damaging Het
Fbxw2 GCCCCC GCCCCCCCC 2: 34,702,829 (GRCm39) probably benign Het
Fmn1 T A 2: 113,195,557 (GRCm39) V419E unknown Het
Fndc4 T C 5: 31,450,795 (GRCm39) *232W probably null Het
Foxc1 C T 13: 31,992,595 (GRCm39) R469* probably null Het
Fsip2 A G 2: 82,810,155 (GRCm39) H2158R probably benign Het
Ghdc C T 11: 100,659,083 (GRCm39) G373D probably benign Het
Gm10330 A T 12: 23,830,032 (GRCm39) S50T probably benign Het
Hlx G T 1: 184,464,184 (GRCm39) A52D probably damaging Het
Lonrf1 A G 8: 36,690,108 (GRCm39) V650A probably damaging Het
Map1a T C 2: 121,130,918 (GRCm39) V578A possibly damaging Het
Mbd3 C G 10: 80,229,740 (GRCm39) D190H probably damaging Het
Mcpt9 T C 14: 56,264,976 (GRCm39) K175R probably benign Het
Mia3 A G 1: 183,120,121 (GRCm39) S85P probably benign Het
Myrip T C 9: 120,261,595 (GRCm39) F403L probably damaging Het
Nox4 A G 7: 86,954,097 (GRCm39) Y134C probably damaging Het
Numb A G 12: 83,842,217 (GRCm39) L642P probably damaging Het
Pappa A T 4: 65,099,185 (GRCm39) Y568F possibly damaging Het
Pdzrn4 T C 15: 92,575,593 (GRCm39) L333P probably benign Het
Prl A T 13: 27,241,619 (GRCm39) S3C probably damaging Het
Ptprc T C 1: 138,047,824 (GRCm39) T60A possibly damaging Het
Rbm10 C T X: 20,503,903 (GRCm39) probably benign Het
Smpd1 T C 7: 105,205,761 (GRCm39) probably null Het
Spta1 A G 1: 174,058,891 (GRCm39) E1942G probably damaging Het
Tmem38a A G 8: 73,333,479 (GRCm39) Y66C probably damaging Het
Tnnt1 A T 7: 4,510,524 (GRCm39) Y232* probably null Het
Tpte T C 8: 22,839,405 (GRCm39) probably null Het
Virma T C 4: 11,521,164 (GRCm39) V907A probably damaging Het
Vmn1r174 C T 7: 23,453,981 (GRCm39) Q216* probably null Het
Zswim3 T C 2: 164,661,901 (GRCm39) V127A probably benign Het
Other mutations in Slc7a7
AlleleSourceChrCoordTypePredicted EffectPPH Score
R0200:Slc7a7 UTSW 14 54,615,259 (GRCm39) missense probably damaging 1.00
R0331:Slc7a7 UTSW 14 54,615,381 (GRCm39) unclassified probably benign
R0608:Slc7a7 UTSW 14 54,615,259 (GRCm39) missense probably damaging 1.00
R1311:Slc7a7 UTSW 14 54,610,487 (GRCm39) nonsense probably null
R1490:Slc7a7 UTSW 14 54,646,103 (GRCm39) missense probably damaging 1.00
R4049:Slc7a7 UTSW 14 54,610,548 (GRCm39) critical splice acceptor site probably null
R4731:Slc7a7 UTSW 14 54,646,190 (GRCm39) missense probably damaging 1.00
R4732:Slc7a7 UTSW 14 54,646,190 (GRCm39) missense probably damaging 1.00
R4733:Slc7a7 UTSW 14 54,646,190 (GRCm39) missense probably damaging 1.00
R5562:Slc7a7 UTSW 14 54,646,269 (GRCm39) missense probably benign
R5745:Slc7a7 UTSW 14 54,615,292 (GRCm39) missense possibly damaging 0.46
R5907:Slc7a7 UTSW 14 54,616,560 (GRCm39) missense probably damaging 1.00
R6140:Slc7a7 UTSW 14 54,616,515 (GRCm39) missense probably damaging 1.00
R6366:Slc7a7 UTSW 14 54,612,057 (GRCm39) missense probably damaging 1.00
R6696:Slc7a7 UTSW 14 54,615,218 (GRCm39) splice site probably null
R6776:Slc7a7 UTSW 14 54,612,108 (GRCm39) missense possibly damaging 0.95
R7310:Slc7a7 UTSW 14 54,616,482 (GRCm39) missense probably damaging 0.99
R7399:Slc7a7 UTSW 14 54,611,725 (GRCm39) missense possibly damaging 0.87
R7903:Slc7a7 UTSW 14 54,611,366 (GRCm39) missense probably damaging 1.00
R8679:Slc7a7 UTSW 14 54,610,449 (GRCm39) missense probably benign 0.31
R8888:Slc7a7 UTSW 14 54,607,293 (GRCm39) missense probably benign
R8895:Slc7a7 UTSW 14 54,607,293 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- TCTACTTACAGATGCAGGCAGCGG -3'
(R):5'- TCAACAGCACCAAGTATGAAGTGGC -3'

Sequencing Primer
(F):5'- TAGTTGGCAAAGGTGATGGC -3'
(R):5'- AGATCTCCCTGCTTAATGGCG -3'
Posted On 2014-03-28