Incidental Mutation 'R5330:Lct'
ID 423110
Institutional Source Beutler Lab
Gene Symbol Lct
Ensembl Gene ENSMUSG00000026354
Gene Name lactase
Synonyms LPH, LOC226413, Lphl
MMRRC Submission 042912-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5330 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 128212493-128256055 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 128226266 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 1374 (D1374E)
Ref Sequence ENSEMBL: ENSMUSP00000073190 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000073490]
AlphaFold F8VPT3
Predicted Effect probably benign
Transcript: ENSMUST00000073490
AA Change: D1374E

PolyPhen 2 Score 0.060 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000073190
Gene: ENSMUSG00000026354
AA Change: D1374E

DomainStartEndE-ValueType
Pfam:Glyco_hydro_1 76 226 1.6e-19 PFAM
low complexity region 322 340 N/A INTRINSIC
Pfam:Glyco_hydro_1 380 849 4.8e-169 PFAM
low complexity region 865 875 N/A INTRINSIC
Pfam:Glyco_hydro_1 902 1368 3.7e-181 PFAM
Pfam:Glyco_hydro_1 1377 1844 6.9e-183 PFAM
transmembrane domain 1885 1907 N/A INTRINSIC
Meta Mutation Damage Score 0.1806 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.8%
Validation Efficiency 99% (95/96)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene belongs to the glycosyl hydrolase 1 family of proteins. The encoded preproprotein is proteolytically processed to generate the mature enzyme. This enzyme is integral to the plasma membrane and has both phlorizin hydrolase activity and lactase activity. Mutations in this gene are associated with congenital lactase deficiency. Polymorphisms in this gene are associated with lactase persistence, in which intestinal lactase activity persists at childhood levels into adulthood. [provided by RefSeq, Jan 2016]
Allele List at MGI
Other mutations in this stock
Total: 88 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930505A04Rik C T 11: 30,376,349 (GRCm39) V173M probably damaging Het
A2m A G 6: 121,615,375 (GRCm39) D83G probably benign Het
Abca16 T A 7: 120,102,600 (GRCm39) I833N probably benign Het
Adam6b C A 12: 113,454,200 (GRCm39) P339H possibly damaging Het
Adgrb2 A T 4: 129,915,995 (GRCm39) H1505L possibly damaging Het
Aktip A T 8: 91,853,352 (GRCm39) F122I probably damaging Het
Ankrd27 T A 7: 35,315,351 (GRCm39) L500* probably null Het
Blm T C 7: 80,108,684 (GRCm39) E55G possibly damaging Het
Carmil1 A T 13: 24,209,929 (GRCm39) probably null Het
Cdca7 T C 2: 72,315,042 (GRCm39) C311R probably damaging Het
Cds1 T C 5: 101,946,361 (GRCm39) S187P probably damaging Het
Chuk A T 19: 44,067,394 (GRCm39) V587E probably damaging Het
Commd10 T C 18: 47,093,497 (GRCm39) V19A probably damaging Het
Ctnnd2 C T 15: 30,332,261 (GRCm39) T48I probably damaging Het
Cyp2b10 T A 7: 25,613,414 (GRCm39) Y203* probably null Het
Dchs1 A T 7: 105,403,809 (GRCm39) V2911E probably damaging Het
Dnah12 G A 14: 26,495,787 (GRCm39) E1472K probably damaging Het
Dnah3 T C 7: 119,542,871 (GRCm39) T3514A probably benign Het
Dnah6 T A 6: 73,051,573 (GRCm39) I3074F probably damaging Het
Dnase1l1 C T X: 73,320,644 (GRCm39) probably null Het
Elp1 T C 4: 56,800,001 (GRCm39) T42A probably benign Het
Fam131c A T 4: 141,110,141 (GRCm39) T180S probably benign Het
Fbxo41 T C 6: 85,456,888 (GRCm39) E427G probably benign Het
Gabrr2 A G 4: 33,082,583 (GRCm39) K236E possibly damaging Het
Gm10152 A T 7: 144,317,283 (GRCm39) noncoding transcript Het
Gm10313 T A 8: 46,708,490 (GRCm39) noncoding transcript Het
Gm5414 C A 15: 101,533,099 (GRCm39) V443F probably damaging Het
Gm7334 T C 17: 51,006,160 (GRCm39) S149P possibly damaging Het
Grik2 G A 10: 49,008,867 (GRCm39) T740M probably damaging Het
Hdac5 T C 11: 102,088,180 (GRCm39) Y930C probably damaging Het
Hepacam2 T C 6: 3,483,377 (GRCm39) T211A probably benign Het
Herc4 G T 10: 63,143,578 (GRCm39) E703* probably null Het
Hivep2 A G 10: 14,007,164 (GRCm39) K1254R probably damaging Het
Hras T C 7: 140,772,853 (GRCm39) M1V probably null Het
Il23r T G 6: 67,400,479 (GRCm39) Q617P probably damaging Het
Kank1 A G 19: 25,388,693 (GRCm39) T789A probably damaging Het
Kcnj12 A G 11: 60,961,012 (GRCm39) K437E probably benign Het
Luc7l C A 17: 26,494,707 (GRCm39) C104* probably null Het
Lurap1 G A 4: 116,001,601 (GRCm39) L31F probably damaging Het
Mark4 G A 7: 19,170,908 (GRCm39) P321S probably damaging Het
Med18 A G 4: 132,190,377 (GRCm39) probably benign Het
Mia2 A G 12: 59,142,598 (GRCm39) S5G probably benign Het
Mrgprb3 T C 7: 48,292,682 (GRCm39) T290A possibly damaging Het
Ms4a20 A G 19: 11,069,222 (GRCm39) probably benign Het
Negr1 A T 3: 156,774,913 (GRCm39) K210* probably null Het
Nktr T C 9: 121,581,834 (GRCm39) probably benign Het
Nob1 T G 8: 108,142,881 (GRCm39) T267P probably damaging Het
Nos3 A G 5: 24,574,902 (GRCm39) E307G probably damaging Het
Nrxn2 A G 19: 6,540,111 (GRCm39) T796A probably damaging Het
Nwd2 C A 5: 63,963,859 (GRCm39) L1148I probably benign Het
Pcdh17 T A 14: 84,770,486 (GRCm39) V988E probably damaging Het
Pcdha4 G A 18: 37,087,755 (GRCm39) R646H probably benign Het
Per3 G T 4: 151,125,759 (GRCm39) L187I probably damaging Het
Phlpp2 A G 8: 110,660,667 (GRCm39) D774G probably damaging Het
Pibf1 T C 14: 99,378,082 (GRCm39) Y403H probably damaging Het
Plcl2 G A 17: 50,816,876 (GRCm39) A81T probably benign Het
Polr2a T C 11: 69,638,101 (GRCm39) N123D probably benign Het
Psma5 T G 3: 108,175,386 (GRCm39) V146G possibly damaging Het
Ptprk A T 10: 28,463,076 (GRCm39) D189V probably damaging Het
Relb C T 7: 19,340,630 (GRCm39) G509S possibly damaging Het
Rgs11 A T 17: 26,421,947 (GRCm39) M1L probably benign Het
Rhbg T A 3: 88,152,775 (GRCm39) T313S probably benign Het
Ripply2 T A 9: 86,897,691 (GRCm39) probably benign Het
Scap T C 9: 110,210,701 (GRCm39) V1011A probably benign Het
Scarf1 G A 11: 75,406,406 (GRCm39) G230D probably damaging Het
Sel1l3 A T 5: 53,343,351 (GRCm39) Y314N possibly damaging Het
Slc17a8 A G 10: 89,425,356 (GRCm39) probably null Het
Slc22a14 A T 9: 119,059,662 (GRCm39) L153Q probably damaging Het
Slc22a27 A G 19: 7,856,820 (GRCm39) I406T probably benign Het
Slc30a6 A G 17: 74,730,190 (GRCm39) D355G probably benign Het
Snta1 C A 2: 154,219,940 (GRCm39) E403* probably null Het
Socs7 A G 11: 97,268,852 (GRCm39) D382G possibly damaging Het
Spata31d1a A T 13: 59,848,217 (GRCm39) C1304S possibly damaging Het
Srebf2 T A 15: 82,080,409 (GRCm39) I834N possibly damaging Het
Steap1 G T 5: 5,790,422 (GRCm39) H175Q probably damaging Het
Sult2a8 T C 7: 14,147,679 (GRCm39) E204G possibly damaging Het
Tacc2 T C 7: 130,335,258 (GRCm39) S524P probably damaging Het
Tbc1d9b C T 11: 50,037,140 (GRCm39) A263V probably benign Het
Tecta A C 9: 42,249,152 (GRCm39) D1903E probably damaging Het
Tmem222 A C 4: 133,004,935 (GRCm39) M34R possibly damaging Het
Tnik A G 3: 28,596,167 (GRCm39) T187A probably damaging Het
Trpv4 A G 5: 114,773,604 (GRCm39) Y253H probably damaging Het
Trpv5 G A 6: 41,637,266 (GRCm39) R358C probably benign Het
Ttll13 T C 7: 79,910,257 (GRCm39) V800A probably benign Het
Ush2a G A 1: 188,460,578 (GRCm39) G2613E probably benign Het
Vmn2r58 G A 7: 41,513,384 (GRCm39) Q420* probably null Het
Zranb3 G A 1: 127,887,457 (GRCm39) P990L probably damaging Het
Zswim9 T A 7: 12,993,912 (GRCm39) D748V probably damaging Het
Other mutations in Lct
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00777:Lct APN 1 128,215,293 (GRCm39) missense probably benign 0.09
IGL00970:Lct APN 1 128,231,805 (GRCm39) missense probably damaging 1.00
IGL01022:Lct APN 1 128,228,596 (GRCm39) missense probably benign
IGL01878:Lct APN 1 128,222,003 (GRCm39) missense probably damaging 1.00
IGL01892:Lct APN 1 128,235,342 (GRCm39) missense probably damaging 1.00
IGL02307:Lct APN 1 128,214,327 (GRCm39) missense possibly damaging 0.70
IGL02434:Lct APN 1 128,231,527 (GRCm39) missense probably damaging 0.97
IGL02559:Lct APN 1 128,222,003 (GRCm39) missense probably damaging 1.00
IGL02623:Lct APN 1 128,235,988 (GRCm39) missense probably benign 0.01
IGL02818:Lct APN 1 128,227,905 (GRCm39) missense probably damaging 1.00
IGL02949:Lct APN 1 128,240,869 (GRCm39) missense probably benign 0.26
IGL02951:Lct APN 1 128,227,948 (GRCm39) missense probably damaging 1.00
IGL03087:Lct APN 1 128,228,112 (GRCm39) missense possibly damaging 0.81
IGL03227:Lct APN 1 128,255,426 (GRCm39) missense probably benign 0.09
ANU18:Lct UTSW 1 128,235,784 (GRCm39) nonsense probably null
R0071:Lct UTSW 1 128,219,755 (GRCm39) nonsense probably null
R0071:Lct UTSW 1 128,219,755 (GRCm39) nonsense probably null
R0135:Lct UTSW 1 128,212,860 (GRCm39) missense probably damaging 0.98
R0145:Lct UTSW 1 128,255,632 (GRCm39) missense probably benign 0.00
R0179:Lct UTSW 1 128,255,422 (GRCm39) missense probably benign
R0331:Lct UTSW 1 128,226,479 (GRCm39) splice site probably benign
R0366:Lct UTSW 1 128,214,199 (GRCm39) missense probably benign 0.03
R0399:Lct UTSW 1 128,228,262 (GRCm39) missense probably damaging 1.00
R0492:Lct UTSW 1 128,228,319 (GRCm39) missense probably damaging 1.00
R0548:Lct UTSW 1 128,212,932 (GRCm39) missense probably damaging 1.00
R0691:Lct UTSW 1 128,235,971 (GRCm39) missense probably benign 0.00
R0755:Lct UTSW 1 128,221,872 (GRCm39) missense possibly damaging 0.46
R0839:Lct UTSW 1 128,214,346 (GRCm39) missense probably benign 0.00
R1128:Lct UTSW 1 128,229,046 (GRCm39) missense probably damaging 0.99
R1135:Lct UTSW 1 128,221,861 (GRCm39) critical splice donor site probably null
R1321:Lct UTSW 1 128,227,759 (GRCm39) missense probably benign
R1448:Lct UTSW 1 128,235,559 (GRCm39) missense probably damaging 0.99
R1450:Lct UTSW 1 128,235,640 (GRCm39) missense probably damaging 1.00
R1572:Lct UTSW 1 128,221,932 (GRCm39) missense probably benign 0.25
R1582:Lct UTSW 1 128,228,299 (GRCm39) missense probably damaging 1.00
R1668:Lct UTSW 1 128,215,459 (GRCm39) splice site probably null
R1757:Lct UTSW 1 128,228,994 (GRCm39) missense probably damaging 1.00
R1775:Lct UTSW 1 128,228,038 (GRCm39) missense probably damaging 1.00
R1792:Lct UTSW 1 128,255,679 (GRCm39) missense possibly damaging 0.54
R1815:Lct UTSW 1 128,227,896 (GRCm39) missense probably damaging 1.00
R1932:Lct UTSW 1 128,221,898 (GRCm39) missense probably damaging 1.00
R2325:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R2381:Lct UTSW 1 128,231,858 (GRCm39) nonsense probably null
R3001:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3002:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3003:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3011:Lct UTSW 1 128,229,109 (GRCm39) missense possibly damaging 0.74
R3082:Lct UTSW 1 128,215,345 (GRCm39) missense probably damaging 1.00
R3683:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3684:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3726:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3886:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3887:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R3888:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R4019:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R4027:Lct UTSW 1 128,212,918 (GRCm39) missense probably benign 0.00
R4226:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R4409:Lct UTSW 1 128,231,963 (GRCm39) missense probably damaging 1.00
R4514:Lct UTSW 1 128,228,251 (GRCm39) missense probably benign
R4570:Lct UTSW 1 128,227,641 (GRCm39) missense probably benign 0.01
R4776:Lct UTSW 1 128,228,124 (GRCm39) missense probably damaging 0.99
R5001:Lct UTSW 1 128,235,978 (GRCm39) missense probably damaging 0.96
R5021:Lct UTSW 1 128,228,302 (GRCm39) missense probably benign 0.38
R5318:Lct UTSW 1 128,232,109 (GRCm39) missense probably damaging 1.00
R5385:Lct UTSW 1 128,239,354 (GRCm39) missense possibly damaging 0.63
R5499:Lct UTSW 1 128,214,414 (GRCm39) missense probably damaging 1.00
R5508:Lct UTSW 1 128,221,868 (GRCm39) missense probably damaging 1.00
R5642:Lct UTSW 1 128,222,969 (GRCm39) missense probably damaging 1.00
R5724:Lct UTSW 1 128,228,073 (GRCm39) missense probably benign
R6026:Lct UTSW 1 128,227,755 (GRCm39) missense probably benign
R6044:Lct UTSW 1 128,235,717 (GRCm39) missense possibly damaging 0.95
R6175:Lct UTSW 1 128,255,451 (GRCm39) missense probably damaging 1.00
R6277:Lct UTSW 1 128,231,974 (GRCm39) missense probably benign 0.01
R6412:Lct UTSW 1 128,255,455 (GRCm39) missense probably benign 0.00
R6480:Lct UTSW 1 128,222,057 (GRCm39) missense probably damaging 1.00
R6526:Lct UTSW 1 128,228,215 (GRCm39) missense probably benign 0.05
R6620:Lct UTSW 1 128,222,809 (GRCm39) critical splice donor site probably null
R7214:Lct UTSW 1 128,228,197 (GRCm39) missense probably benign 0.00
R7308:Lct UTSW 1 128,246,824 (GRCm39) missense probably benign 0.00
R7577:Lct UTSW 1 128,228,469 (GRCm39) missense probably damaging 0.99
R7626:Lct UTSW 1 128,212,932 (GRCm39) missense probably damaging 1.00
R7737:Lct UTSW 1 128,226,430 (GRCm39) missense probably benign 0.12
R7901:Lct UTSW 1 128,216,722 (GRCm39) missense probably benign 0.44
R8033:Lct UTSW 1 128,212,996 (GRCm39) missense probably benign 0.03
R8373:Lct UTSW 1 128,231,577 (GRCm39) missense probably damaging 1.00
R8504:Lct UTSW 1 128,215,306 (GRCm39) missense probably damaging 1.00
R8751:Lct UTSW 1 128,221,534 (GRCm39) missense probably benign 0.18
R8781:Lct UTSW 1 128,215,261 (GRCm39) missense probably damaging 1.00
R8797:Lct UTSW 1 128,231,684 (GRCm39) missense possibly damaging 0.77
R8926:Lct UTSW 1 128,228,148 (GRCm39) missense probably damaging 1.00
R8949:Lct UTSW 1 128,221,929 (GRCm39) missense probably damaging 1.00
R8992:Lct UTSW 1 128,228,299 (GRCm39) missense probably damaging 1.00
R9138:Lct UTSW 1 128,227,894 (GRCm39) missense probably benign 0.03
R9260:Lct UTSW 1 128,227,704 (GRCm39) nonsense probably null
R9416:Lct UTSW 1 128,228,329 (GRCm39) missense possibly damaging 0.74
R9531:Lct UTSW 1 128,235,598 (GRCm39) missense probably benign 0.00
X0052:Lct UTSW 1 128,235,367 (GRCm39) missense probably damaging 1.00
YA93:Lct UTSW 1 128,229,057 (GRCm39) missense probably damaging 1.00
Z1176:Lct UTSW 1 128,215,348 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- GCTCAACCTGCTCCATTAGG -3'
(R):5'- TTGACCTTCGAGGCTACTCTG -3'

Sequencing Primer
(F):5'- ATTGCCCTGAATGCAGATGC -3'
(R):5'- TACTCTGCCTGGGCGCTG -3'
Posted On 2016-08-04