Incidental Mutation 'R7161:Slc9a8'
ID 557561
Institutional Source Beutler Lab
Gene Symbol Slc9a8
Ensembl Gene ENSMUSG00000039463
Gene Name solute carrier family 9 (sodium/hydrogen exchanger), member 8
Synonyms 1200006P13Rik, 6430709P13Rik, NHE8
MMRRC Submission 045260-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7161 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 167263632-167318920 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 167307303 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Phenylalanine at position 329 (Y329F)
Ref Sequence ENSEMBL: ENSMUSP00000044185 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000047815] [ENSMUST00000073873] [ENSMUST00000109218]
AlphaFold Q8R4D1
Predicted Effect possibly damaging
Transcript: ENSMUST00000047815
AA Change: Y329F

PolyPhen 2 Score 0.905 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000044185
Gene: ENSMUSG00000039463
AA Change: Y329F

DomainStartEndE-ValueType
low complexity region 44 51 N/A INTRINSIC
Pfam:Na_H_Exchanger 57 468 3.3e-69 PFAM
low complexity region 497 513 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000073873
AA Change: Y302F

PolyPhen 2 Score 0.957 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000073536
Gene: ENSMUSG00000039463
AA Change: Y302F

DomainStartEndE-ValueType
low complexity region 44 51 N/A INTRINSIC
Pfam:Na_H_Exchanger 54 441 3.5e-62 PFAM
low complexity region 470 486 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000109218
AA Change: Y298F

PolyPhen 2 Score 0.965 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000104841
Gene: ENSMUSG00000039463
AA Change: Y298F

DomainStartEndE-ValueType
low complexity region 44 51 N/A INTRINSIC
Pfam:Na_H_Exchanger 54 437 3.7e-61 PFAM
low complexity region 466 482 N/A INTRINSIC
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency 100% (75/75)
MGI Phenotype FUNCTION: This gene encodes a member of the Na+/H+ exchanger (NHE) family of integral membrane transporter proteins. The encoded protein is expressed on the apical membrane of the intestinal epithelial cells and plays an important role in mucosal protection. Loss of the encoded protein in mice results in a decrease in the number of goblet and mucin-positive cells, disorganization of the mucin layer, and a decrease in mucosal pH in the colon. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Jan 2015]
PHENOTYPE: Mice homozygous for a gene trap allele exhibit male infertility, impaired mucin synthesis and bicarbonate secretion in the colon, abnormal blood coagulation and increased length of the small intestine, cecum and ileum crypts. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 73 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca8a T A 11: 109,964,968 (GRCm39) Q443L probably benign Het
Acad12 A T 5: 121,745,436 (GRCm39) M285K probably damaging Het
Afdn T A 17: 14,109,208 (GRCm39) M1592K possibly damaging Het
Bpifb9b A T 2: 154,155,535 (GRCm39) T345S possibly damaging Het
Bub1b A G 2: 118,456,534 (GRCm39) E526G probably damaging Het
Car13 A G 3: 14,710,268 (GRCm39) D70G probably benign Het
Castor2 C A 5: 134,164,029 (GRCm39) T75N probably damaging Het
Ccdc127 A T 13: 74,500,996 (GRCm39) L4F probably damaging Het
Ccng2 C G 5: 93,421,202 (GRCm39) S237R probably benign Het
Ccr10 A G 11: 101,065,104 (GRCm39) I142T probably benign Het
Cep126 C T 9: 8,087,400 (GRCm39) V1005M probably benign Het
Chil6 A G 3: 106,301,728 (GRCm39) I124T probably benign Het
Coq8a A G 1: 179,997,906 (GRCm39) probably null Het
Ctf2 T A 7: 127,318,476 (GRCm39) K174N probably damaging Het
Dapk1 T C 13: 60,844,209 (GRCm39) V76A possibly damaging Het
Disp1 A G 1: 182,869,189 (GRCm39) M1077T possibly damaging Het
Dnaaf9 C A 2: 130,648,708 (GRCm39) R258L unknown Het
Dnah9 T A 11: 65,746,198 (GRCm39) K3972* probably null Het
Dnai4 G A 4: 102,953,813 (GRCm39) P129S probably benign Het
Dusp7 T A 9: 106,246,114 (GRCm39) S40T unknown Het
Emg1 T C 6: 124,682,712 (GRCm39) T88A probably benign Het
Fbxo5 A G 10: 5,752,043 (GRCm39) V190A possibly damaging Het
Fbxw20 T G 9: 109,055,048 (GRCm39) D167A probably damaging Het
Fes A T 7: 80,030,609 (GRCm39) V562E probably damaging Het
Foxj1 C G 11: 116,223,234 (GRCm39) G190R probably damaging Het
Gdf15 T G 8: 71,083,992 (GRCm39) S91R possibly damaging Het
Gm4846 C A 1: 166,314,579 (GRCm39) V355F probably damaging Het
Herc4 T A 10: 63,144,194 (GRCm39) Y776N probably benign Het
Hspg2 G A 4: 137,242,030 (GRCm39) R588H probably damaging Het
Igkv6-25 T A 6: 70,192,762 (GRCm39) Y56* probably null Het
Itpr1 C T 6: 108,363,601 (GRCm39) A741V probably damaging Het
Kbtbd8 T A 6: 95,103,677 (GRCm39) I519K probably benign Het
Kcnh5 T A 12: 74,944,483 (GRCm39) Q922L probably benign Het
Kiss1r T C 10: 79,755,323 (GRCm39) Y103H probably damaging Het
Knl1 A G 2: 118,901,266 (GRCm39) E989G possibly damaging Het
Lamc1 A T 1: 153,102,200 (GRCm39) L1466Q probably damaging Het
Lap3 C T 5: 45,655,809 (GRCm39) P138L probably benign Het
Lhx1 G A 11: 84,410,698 (GRCm39) P300S probably damaging Het
Mppe1 G A 18: 67,362,842 (GRCm39) A131V probably benign Het
Neb A T 2: 52,161,604 (GRCm39) Y2063N probably damaging Het
Nfe2l1 A G 11: 96,708,546 (GRCm39) F740L probably benign Het
Nop10 A G 2: 112,092,391 (GRCm39) N8S probably benign Het
Opalin T A 19: 41,058,374 (GRCm39) T20S possibly damaging Het
Or8h7 A C 2: 86,720,993 (GRCm39) H175Q probably benign Het
Pask C T 1: 93,238,627 (GRCm39) S1286N probably benign Het
Pcdhgc4 A T 18: 37,948,716 (GRCm39) E44V probably damaging Het
Pde1a A G 2: 79,695,558 (GRCm39) M463T probably benign Het
Pde6a A T 18: 61,414,596 (GRCm39) M714L probably benign Het
Pik3c2b A G 1: 133,033,850 (GRCm39) E1618G probably damaging Het
Pou2f3 T C 9: 43,050,658 (GRCm39) N234S probably damaging Het
Ptprm T A 17: 67,116,622 (GRCm39) T886S probably benign Het
Rab11fip3 C A 17: 26,288,064 (GRCm39) D30Y probably benign Het
Rassf10 A T 7: 112,553,707 (GRCm39) I103F probably damaging Het
Rfc4 A G 16: 22,934,183 (GRCm39) I206T probably benign Het
Rhcg A G 7: 79,267,189 (GRCm39) F29S probably damaging Het
Sec11c A G 18: 65,945,803 (GRCm39) I89V probably benign Het
Serac1 T C 17: 6,115,351 (GRCm39) D204G probably damaging Het
Serpinb3c T C 1: 107,200,892 (GRCm39) N175S probably null Het
Slc25a19 C T 11: 115,507,373 (GRCm39) E250K possibly damaging Het
Smagp T C 15: 100,534,126 (GRCm39) probably benign Het
Spats1 T A 17: 45,760,095 (GRCm39) Q268H probably benign Het
Spef2 T C 15: 9,717,689 (GRCm39) T219A probably benign Het
Spink13 A G 18: 62,748,026 (GRCm39) M11T probably benign Het
Susd1 T C 4: 59,329,581 (GRCm39) D669G possibly damaging Het
Svep1 A G 4: 58,128,859 (GRCm39) Y613H possibly damaging Het
Tcp10b T C 17: 13,300,633 (GRCm39) *439Q probably null Het
Tmed2 T A 5: 124,684,983 (GRCm39) M133K possibly damaging Het
Trpv5 A T 6: 41,637,470 (GRCm39) Y370* probably null Het
Ttn A G 2: 76,642,588 (GRCm39) S13316P probably damaging Het
Uap1l1 A T 2: 25,253,292 (GRCm39) M381K probably damaging Het
Wdr26 A G 1: 181,030,695 (GRCm39) Y200H probably damaging Het
Zfhx4 A T 3: 5,309,143 (GRCm39) M790L possibly damaging Het
Zscan25 T C 5: 145,223,251 (GRCm39) L173P probably benign Het
Other mutations in Slc9a8
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01616:Slc9a8 APN 2 167,266,086 (GRCm39) missense possibly damaging 0.46
IGL02626:Slc9a8 APN 2 167,309,597 (GRCm39) splice site probably benign
costello UTSW 2 167,293,216 (GRCm39) missense probably damaging 1.00
R0270:Slc9a8 UTSW 2 167,293,216 (GRCm39) missense probably damaging 1.00
R0417:Slc9a8 UTSW 2 167,299,264 (GRCm39) missense probably benign 0.00
R0504:Slc9a8 UTSW 2 167,266,125 (GRCm39) missense probably benign
R0906:Slc9a8 UTSW 2 167,276,787 (GRCm39) intron probably benign
R1216:Slc9a8 UTSW 2 167,266,041 (GRCm39) missense probably benign 0.00
R1225:Slc9a8 UTSW 2 167,313,443 (GRCm39) missense probably benign 0.20
R1604:Slc9a8 UTSW 2 167,313,352 (GRCm39) missense probably benign 0.09
R1728:Slc9a8 UTSW 2 167,266,065 (GRCm39) missense probably benign 0.00
R1729:Slc9a8 UTSW 2 167,266,065 (GRCm39) missense probably benign 0.00
R1773:Slc9a8 UTSW 2 167,313,385 (GRCm39) missense possibly damaging 0.57
R1775:Slc9a8 UTSW 2 167,299,278 (GRCm39) missense probably benign 0.12
R1918:Slc9a8 UTSW 2 167,266,134 (GRCm39) missense possibly damaging 0.95
R2312:Slc9a8 UTSW 2 167,293,196 (GRCm39) missense probably benign 0.01
R3031:Slc9a8 UTSW 2 167,293,201 (GRCm39) missense probably damaging 1.00
R3752:Slc9a8 UTSW 2 167,299,272 (GRCm39) missense probably benign
R3757:Slc9a8 UTSW 2 167,266,050 (GRCm39) missense probably benign 0.01
R4499:Slc9a8 UTSW 2 167,266,113 (GRCm39) missense probably benign 0.01
R4746:Slc9a8 UTSW 2 167,283,090 (GRCm39) nonsense probably null
R4904:Slc9a8 UTSW 2 167,313,316 (GRCm39) missense possibly damaging 0.51
R4969:Slc9a8 UTSW 2 167,288,449 (GRCm39) missense probably benign 0.06
R5395:Slc9a8 UTSW 2 167,309,642 (GRCm39) missense probably damaging 0.99
R5811:Slc9a8 UTSW 2 167,313,307 (GRCm39) nonsense probably null
R5908:Slc9a8 UTSW 2 167,293,090 (GRCm39) intron probably benign
R6311:Slc9a8 UTSW 2 167,293,140 (GRCm39) missense probably damaging 1.00
R6443:Slc9a8 UTSW 2 167,276,741 (GRCm39) missense probably benign 0.00
R6494:Slc9a8 UTSW 2 167,266,211 (GRCm39) missense probably damaging 1.00
R7322:Slc9a8 UTSW 2 167,293,222 (GRCm39) missense probably damaging 1.00
R7354:Slc9a8 UTSW 2 167,316,051 (GRCm39) missense possibly damaging 0.93
R7896:Slc9a8 UTSW 2 167,307,278 (GRCm39) missense probably benign 0.07
R8095:Slc9a8 UTSW 2 167,310,891 (GRCm39) missense probably damaging 0.99
R8725:Slc9a8 UTSW 2 167,315,454 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ACTTCTGGAAGGCCTCACAG -3'
(R):5'- CACAGTAATGACCTGGGCTTGG -3'

Sequencing Primer
(F):5'- ACAAACATGGTTCCTCTGGG -3'
(R):5'- TGTGTGACTCACCACACA -3'
Posted On 2019-06-26