Incidental Mutation 'R0331:Lct'
ID 26025
Institutional Source Beutler Lab
Gene Symbol Lct
Ensembl Gene ENSMUSG00000026354
Gene Name lactase
Synonyms LPH, LOC226413, Lphl
MMRRC Submission 038540-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0331 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 128212493-128256055 bp(-) (GRCm39)
Type of Mutation splice site
DNA Base Change (assembly) T to C at 128226479 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000073190 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000073490]
AlphaFold F8VPT3
Predicted Effect probably benign
Transcript: ENSMUST00000073490
SMART Domains Protein: ENSMUSP00000073190
Gene: ENSMUSG00000026354

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
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.0%
  • 10x: 95.8%
  • 20x: 91.7%
Validation Efficiency 100% (81/81)
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: 80 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700011L22Rik T A 8: 79,956,021 (GRCm39) T79S probably benign Het
Abtb1 T C 6: 88,817,684 (GRCm39) probably benign Het
Acot12 G A 13: 91,908,183 (GRCm39) probably null Het
Adamts4 T A 1: 171,078,541 (GRCm39) S54T probably benign Het
Adgrl4 T C 3: 151,203,577 (GRCm39) S96P probably benign Het
Aip G T 19: 4,168,247 (GRCm39) T40K probably damaging Het
Anapc4 A G 5: 53,012,984 (GRCm39) probably benign Het
Asz1 A G 6: 18,103,618 (GRCm39) probably benign Het
Atf7ip A G 6: 136,538,161 (GRCm39) T465A possibly damaging Het
Atp11a C T 8: 12,866,953 (GRCm39) Q127* probably null Het
Axin1 A G 17: 26,362,081 (GRCm39) R142G probably damaging Het
Bcat1 T A 6: 144,993,040 (GRCm39) E86V probably benign Het
Brd4 G A 17: 32,421,489 (GRCm39) P749L probably benign Het
C1ra G A 6: 124,496,394 (GRCm39) probably null Het
Capza2 A T 6: 17,665,102 (GRCm39) N237I probably benign Het
Cd2ap A T 17: 43,116,192 (GRCm39) V556E probably benign Het
Cfap65 G A 1: 74,968,460 (GRCm39) P124L probably damaging Het
Cfap65 G T 1: 74,968,461 (GRCm39) P124T probably damaging Het
Cftr T C 6: 18,235,225 (GRCm39) V488A possibly damaging Het
Ckmt1 A T 2: 121,193,337 (GRCm39) probably null Het
Cmya5 T G 13: 93,280,911 (GRCm39) E35A possibly damaging Het
Col7a1 A G 9: 108,796,570 (GRCm39) probably benign Het
Crmp1 C T 5: 37,422,657 (GRCm39) L155F possibly damaging Het
Cyp2d10 T A 15: 82,291,227 (GRCm39) T33S probably benign Het
Dhdh T C 7: 45,137,544 (GRCm39) K48E probably benign Het
Dlst T C 12: 85,165,586 (GRCm39) V103A probably damaging Het
Dohh C T 10: 81,223,646 (GRCm39) T233I probably benign Het
Dvl2 C A 11: 69,897,043 (GRCm39) probably benign Het
Eipr1 C T 12: 28,914,703 (GRCm39) Q286* probably null Het
Enpp6 C A 8: 47,535,484 (GRCm39) T343K probably damaging Het
Fbxw11 T A 11: 32,661,895 (GRCm39) F112I probably damaging Het
Gdpd4 T A 7: 97,622,215 (GRCm39) N231K probably benign Het
Gm6370 A T 5: 146,430,576 (GRCm39) T254S probably benign Het
Hapln4 G T 8: 70,537,159 (GRCm39) Q31H probably damaging Het
Hic1 T A 11: 75,056,316 (GRCm39) T858S possibly damaging Het
Isg20l2 T C 3: 87,839,092 (GRCm39) L101P probably damaging Het
Itga10 T C 3: 96,559,799 (GRCm39) Y485H probably damaging Het
Itgal T A 7: 126,905,853 (GRCm39) probably null Het
Itln1 T C 1: 171,359,117 (GRCm39) N62S probably damaging Het
Kdm4b T C 17: 56,693,289 (GRCm39) probably benign Het
Lman2 A T 13: 55,500,829 (GRCm39) H123Q probably damaging Het
Lztr1 T A 16: 17,342,101 (GRCm39) probably benign Het
Myo3b G T 2: 69,925,605 (GRCm39) G24V probably damaging Het
Nacad T A 11: 6,549,441 (GRCm39) Q1250L possibly damaging Het
Ncor2 A T 5: 125,161,981 (GRCm39) M431K unknown Het
Nek9 T A 12: 85,374,149 (GRCm39) probably benign Het
Neu1 C A 17: 35,153,146 (GRCm39) N255K possibly damaging Het
Nf2 T A 11: 4,744,914 (GRCm39) T75S probably benign Het
Nipal4 T A 11: 46,041,040 (GRCm39) D385V probably damaging Het
Olah T A 2: 3,343,511 (GRCm39) N245I probably damaging Het
Or5p54 G T 7: 107,554,077 (GRCm39) L76F probably benign Het
Pag1 T A 3: 9,767,030 (GRCm39) T90S probably benign Het
Pald1 A G 10: 61,176,708 (GRCm39) probably null Het
Parva A G 7: 112,144,005 (GRCm39) M98V probably benign Het
Paxbp1 T A 16: 90,834,255 (GRCm39) D177V possibly damaging Het
Paxip1 A G 5: 27,970,230 (GRCm39) I587T probably damaging Het
Pclo T C 5: 14,730,390 (GRCm39) probably benign Het
Pdgfra T A 5: 75,355,713 (GRCm39) D1074E probably damaging Het
Pef1 A T 4: 130,021,241 (GRCm39) D265V probably damaging Het
Plekhh2 G A 17: 84,893,794 (GRCm39) E870K possibly damaging Het
Plscr4 G A 9: 92,364,695 (GRCm39) G40D probably damaging Het
Psg18 A G 7: 18,087,233 (GRCm39) Y142H probably benign Het
Ptchd3 A T 11: 121,733,017 (GRCm39) M636L probably benign Het
Rab2a A G 4: 8,572,559 (GRCm39) D51G probably benign Het
Rnf139 T A 15: 58,771,755 (GRCm39) D593E probably benign Het
Septin7 A G 9: 25,217,552 (GRCm39) N422S probably benign Het
Shprh T C 10: 11,069,914 (GRCm39) probably benign Het
Slc7a6os A G 8: 106,937,199 (GRCm39) I87T probably damaging Het
Slc7a7 A G 14: 54,615,381 (GRCm39) probably benign Het
Spc24 G T 9: 21,668,609 (GRCm39) N129K possibly damaging Het
Strip2 C T 6: 29,926,559 (GRCm39) T148I probably benign Het
Tmem150c A C 5: 100,234,132 (GRCm39) probably null Het
Trav13-5 A G 14: 54,033,205 (GRCm39) N38S probably benign Het
Ttn G T 2: 76,641,364 (GRCm39) Y11801* probably null Het
Usp37 A T 1: 74,493,223 (GRCm39) L688* probably null Het
Usp38 T C 8: 81,722,469 (GRCm39) I351V probably benign Het
Vav2 T A 2: 27,186,187 (GRCm39) M223L probably benign Het
Wdr36 A G 18: 32,985,968 (GRCm39) I557M possibly damaging Het
Wwc2 A T 8: 48,333,239 (GRCm39) M259K probably benign Het
Znfx1 G A 2: 166,888,898 (GRCm39) S770L probably benign 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
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
R5330:Lct UTSW 1 128,226,266 (GRCm39) missense probably benign 0.06
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'- TGATAGGAAGCAGACGCTGCAC -3'
(R):5'- TGCCTAATATCTAAGGAGGGCTCAGG -3'

Sequencing Primer
(F):5'- TTGGGAAACTCTCCATACAGG -3'
(R):5'- CAATTGCTGTAAGGTCACTGAAGC -3'
Posted On 2013-04-16