Incidental Mutation 'R9782:Mep1b'
ID 734142
Institutional Source Beutler Lab
Gene Symbol Mep1b
Ensembl Gene ENSMUSG00000024313
Gene Name meprin 1 beta
Synonyms Mep-1b, meprin beta
MMRRC Submission
Accession Numbers
Essential gene? Probably non essential (E-score: 0.187) question?
Stock # R9782 (G1)
Quality Score 225.009
Status Not validated
Chromosome 18
Chromosomal Location 21205401-21233256 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 21208720 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Valine at position 32 (D32V)
Ref Sequence ENSEMBL: ENSMUSP00000080866 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000082235]
AlphaFold Q61847
Predicted Effect possibly damaging
Transcript: ENSMUST00000082235
AA Change: D32V

PolyPhen 2 Score 0.755 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000080866
Gene: ENSMUSG00000024313
AA Change: D32V

DomainStartEndE-ValueType
signal peptide 1 20 N/A INTRINSIC
low complexity region 30 42 N/A INTRINSIC
ZnMc 68 208 1.23e-54 SMART
MAM 261 430 1.91e-52 SMART
MATH 433 569 4.88e-8 SMART
EGF 610 647 2.35e-2 SMART
transmembrane domain 658 680 N/A INTRINSIC
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.8%
  • 10x: 99.3%
  • 20x: 98.1%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Meprins are multidomain zinc metalloproteases that are highly expressed in mammalian kidney and intestinal brush border membranes, and in leukocytes and certain cancer cells. They are involved in the hydrolysis of a variety of peptide and protein substrates, and have been implicated in cancer and intestinal inflammation. Mature meprins are oligomers of evolutionarily related, but separately encoded alpha and/or beta subunits. Homooligomers of alpha subunit are secreted, whereas, oligomers containing the beta subunit are plasma membrane-bound. This gene encodes the beta subunit. Targeted disruption of this gene in mice affects embryonic viability, renal gene expression profiles, and distribution of the membrane-associated alpha subunit in kidney and intestine. [provided by RefSeq, Oct 2011]
PHENOTYPE: Homozygotes for a targeted null mutation exhibit 50% prenatal lethality; survivors have reduced birth weight and show altered renal gene expression, but otherwise are apparently normal. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
0610040J01Rik T A 5: 64,053,796 (GRCm39) M1K probably null Het
Atoh8 A T 6: 72,200,848 (GRCm39) L281M possibly damaging Het
Bckdha A G 7: 25,340,880 (GRCm39) probably null Het
Chil6 A T 3: 106,296,121 (GRCm39) Y371* probably null Het
Cilk1 A T 9: 78,048,520 (GRCm39) Q108L probably damaging Het
Fbxw18 G T 9: 109,522,376 (GRCm39) H164Q probably benign Het
Gucd1 T G 10: 75,345,650 (GRCm39) D135A probably benign Het
Hacd1 A G 2: 14,040,751 (GRCm39) I168T possibly damaging Het
Hfm1 T C 5: 107,021,896 (GRCm39) E1013G probably benign Het
Hsf4 G A 8: 105,999,217 (GRCm39) probably null Het
Ift140 G T 17: 25,264,151 (GRCm39) probably null Het
Igsf3 A T 3: 101,338,612 (GRCm39) I309F probably benign Het
Imp4 T A 1: 34,482,901 (GRCm39) L164Q probably damaging Het
Jazf1 C T 6: 52,747,311 (GRCm39) V204I probably benign Het
Kmt2d T A 15: 98,764,597 (GRCm39) D2V probably damaging Het
Knl1 T C 2: 118,899,910 (GRCm39) V537A probably benign Het
Mki67 A G 7: 135,306,066 (GRCm39) probably null Het
Morn3 C T 5: 123,175,822 (GRCm39) V189M probably damaging Het
Mri1 C T 8: 84,980,933 (GRCm39) C199Y possibly damaging Het
Mtmr2 T C 9: 13,713,293 (GRCm39) M490T probably benign Het
Muc16 T C 9: 18,548,066 (GRCm39) T6076A possibly damaging Het
Myo1c A G 11: 75,549,273 (GRCm39) E113G probably damaging Het
Nat8f4 A T 6: 85,878,052 (GRCm39) V157D probably damaging Het
Nectin4 T C 1: 171,214,192 (GRCm39) V449A probably damaging Het
Ogdhl C T 14: 32,061,909 (GRCm39) T528M probably damaging Het
Ogfr GGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCCAAAGCCAGGTGG GGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCCAAAGCCAGGTGG 2: 180,237,059 (GRCm39) probably benign Het
Or4c100 G A 2: 88,356,835 (GRCm39) V303M probably benign Het
Or52l1 A G 7: 104,830,067 (GRCm39) V166A probably damaging Het
Pcdhb12 AT A 18: 37,570,393 (GRCm39) probably null Het
Pigo T C 4: 43,023,475 (GRCm39) D233G probably damaging Het
Pkn2 A C 3: 142,516,237 (GRCm39) V562G possibly damaging Het
Plxna1 C A 6: 89,333,817 (GRCm39) A271S probably benign Het
Ppp1r3a C T 6: 14,718,766 (GRCm39) S716N probably damaging Het
Prss12 G A 3: 123,271,762 (GRCm39) G256S probably benign Het
Psg28 A T 7: 18,164,331 (GRCm39) M127K probably benign Het
Psmf1 T C 2: 151,577,533 (GRCm39) D48G possibly damaging Het
Rabggta T A 14: 55,955,944 (GRCm39) M438L possibly damaging Het
Rapgef3 T C 15: 97,643,479 (GRCm39) I911V probably damaging Het
Rbck1 T C 2: 152,165,113 (GRCm39) E297G probably damaging Het
Rras A T 7: 44,669,945 (GRCm39) I126F probably damaging Het
Slc22a28 T C 19: 8,041,813 (GRCm39) R465G probably null Het
Slc28a2b T A 2: 122,352,338 (GRCm39) I365N probably damaging Het
Snx19 A G 9: 30,340,172 (GRCm39) T437A probably benign Het
Son A T 16: 91,444,838 (GRCm39) S15C probably damaging Het
Spata31e1 C T 13: 49,939,542 (GRCm39) V723M possibly damaging Het
Sptbn4 G T 7: 27,107,993 (GRCm39) Q810K probably benign Het
Tmtc2 T C 10: 105,026,062 (GRCm39) Y802C probably damaging Het
Trrap T A 5: 144,758,716 (GRCm39) M2181K probably damaging Het
Ttc23l A G 15: 10,530,767 (GRCm39) S282P probably damaging Het
Zbtb7a G A 10: 80,979,910 (GRCm39) D35N probably damaging Het
Zc3h3 C A 15: 75,681,489 (GRCm39) V531L probably damaging Het
Zfhx4 A G 3: 5,466,514 (GRCm39) D2249G probably benign Het
Zfp87 T C 13: 74,520,932 (GRCm39) K49E probably benign Het
Zfp942 T C 17: 22,147,463 (GRCm39) T389A probably benign Het
Other mutations in Mep1b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00392:Mep1b APN 18 21,217,243 (GRCm39) nonsense probably null
IGL01470:Mep1b APN 18 21,230,524 (GRCm39) missense probably benign 0.26
IGL01866:Mep1b APN 18 21,228,050 (GRCm39) missense probably benign 0.34
IGL02865:Mep1b APN 18 21,226,441 (GRCm39) missense probably benign 0.02
IGL03093:Mep1b APN 18 21,226,710 (GRCm39) missense probably benign 0.01
IGL03126:Mep1b APN 18 21,221,617 (GRCm39) missense probably damaging 1.00
IGL03196:Mep1b APN 18 21,228,121 (GRCm39) missense probably benign 0.01
P0022:Mep1b UTSW 18 21,221,598 (GRCm39) splice site probably benign
R0143:Mep1b UTSW 18 21,228,164 (GRCm39) splice site probably benign
R0743:Mep1b UTSW 18 21,213,515 (GRCm39) missense possibly damaging 0.81
R0961:Mep1b UTSW 18 21,221,786 (GRCm39) nonsense probably null
R1913:Mep1b UTSW 18 21,226,286 (GRCm39) missense probably benign 0.21
R2162:Mep1b UTSW 18 21,219,296 (GRCm39) missense possibly damaging 0.82
R2307:Mep1b UTSW 18 21,221,632 (GRCm39) missense probably damaging 1.00
R3000:Mep1b UTSW 18 21,226,361 (GRCm39) missense probably damaging 0.96
R3833:Mep1b UTSW 18 21,219,296 (GRCm39) missense possibly damaging 0.82
R3862:Mep1b UTSW 18 21,217,226 (GRCm39) missense possibly damaging 0.56
R3863:Mep1b UTSW 18 21,217,226 (GRCm39) missense possibly damaging 0.56
R3864:Mep1b UTSW 18 21,217,226 (GRCm39) missense possibly damaging 0.56
R4171:Mep1b UTSW 18 21,228,163 (GRCm39) splice site probably null
R4774:Mep1b UTSW 18 21,219,241 (GRCm39) missense probably benign 0.24
R4798:Mep1b UTSW 18 21,226,311 (GRCm39) missense probably damaging 0.99
R5411:Mep1b UTSW 18 21,219,306 (GRCm39) missense probably damaging 1.00
R6952:Mep1b UTSW 18 21,221,727 (GRCm39) missense probably benign 0.00
R7056:Mep1b UTSW 18 21,224,247 (GRCm39) missense probably damaging 1.00
R7078:Mep1b UTSW 18 21,233,108 (GRCm39) missense probably benign 0.35
R7217:Mep1b UTSW 18 21,226,600 (GRCm39) missense probably benign 0.01
R7641:Mep1b UTSW 18 21,228,034 (GRCm39) missense possibly damaging 0.47
R7843:Mep1b UTSW 18 21,228,110 (GRCm39) missense probably damaging 1.00
R8103:Mep1b UTSW 18 21,222,442 (GRCm39) missense possibly damaging 0.56
R8794:Mep1b UTSW 18 21,224,325 (GRCm39) missense probably damaging 0.96
R8845:Mep1b UTSW 18 21,230,379 (GRCm39) nonsense probably null
R8877:Mep1b UTSW 18 21,221,630 (GRCm39) missense possibly damaging 0.72
R8975:Mep1b UTSW 18 21,208,714 (GRCm39) missense probably benign 0.17
R9352:Mep1b UTSW 18 21,209,431 (GRCm39) missense probably damaging 1.00
R9448:Mep1b UTSW 18 21,217,199 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GTCCCCAATCTGGCTATCAG -3'
(R):5'- TGGGTGGATATGATCAAACACG -3'

Sequencing Primer
(F):5'- CTGGCTATCAGAAGGGTCAATC -3'
(R):5'- GACAACCTGAGTTTGATCCCTGG -3'
Posted On 2022-11-14