Incidental Mutation 'R7217:Mep1b'
ID 561559
Institutional Source Beutler Lab
Gene Symbol Mep1b
Ensembl Gene ENSMUSG00000024313
Gene Name meprin 1 beta
Synonyms Mep-1b, meprin beta
MMRRC Submission 045289-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.173) question?
Stock # R7217 (G1)
Quality Score 225.009
Status Validated
Chromosome 18
Chromosomal Location 21205401-21233256 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 21226600 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 487 (D487E)
Ref Sequence ENSEMBL: ENSMUSP00000080866 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000082235]
AlphaFold Q61847
Predicted Effect probably benign
Transcript: ENSMUST00000082235
AA Change: D487E

PolyPhen 2 Score 0.012 (Sensitivity: 0.96; Specificity: 0.78)
SMART Domains Protein: ENSMUSP00000080866
Gene: ENSMUSG00000024313
AA Change: D487E

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
Meta Mutation Damage Score 0.0871 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
Validation Efficiency 91% (40/44)
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: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A430033K04Rik C A 5: 138,645,188 (GRCm39) H358N probably benign Het
Abcg3 A G 5: 105,087,094 (GRCm39) F543L possibly damaging Het
Asnsd1 T C 1: 53,387,352 (GRCm39) T92A probably damaging Het
Atg2a G T 19: 6,303,471 (GRCm39) probably null Het
Aven T A 2: 112,461,191 (GRCm39) N327K possibly damaging Het
Brd9 T C 13: 74,087,063 (GRCm39) V116A probably damaging Het
Car14 A G 3: 95,806,629 (GRCm39) S250P probably damaging Het
Ccdc138 T C 10: 58,345,422 (GRCm39) I138T probably benign Het
Cmya5 A G 13: 93,226,938 (GRCm39) Y2717H probably damaging Het
Eno1b C A 18: 48,180,746 (GRCm39) T308K probably damaging Het
Epha3 T C 16: 63,372,857 (GRCm39) T949A probably benign Het
Fcrl5 C T 3: 87,351,081 (GRCm39) T197M probably damaging Het
Foxp2 A T 6: 15,416,023 (GRCm39) Q664L unknown Het
Fsip2 A T 2: 82,819,412 (GRCm39) K5048N possibly damaging Het
Gcnt4 T C 13: 97,082,818 (GRCm39) L38P probably damaging Het
Gpr68 A G 12: 100,845,058 (GRCm39) V162A possibly damaging Het
Grin3a A T 4: 49,770,741 (GRCm39) M677K possibly damaging Het
Grm7 A G 6: 111,335,785 (GRCm39) Y732C probably damaging Het
H2-T15 A C 17: 36,367,235 (GRCm39) M329R probably benign Het
Hoxb4 A G 11: 96,209,906 (GRCm39) E104G probably benign Het
Kat7 A G 11: 95,182,390 (GRCm39) S237P possibly damaging Het
Kif13b T C 14: 65,010,517 (GRCm39) V1272A probably damaging Het
Kif20a T A 18: 34,762,613 (GRCm39) H495Q probably benign Het
Lama1 A T 17: 68,071,668 (GRCm39) T852S Het
Mki67 T C 7: 135,305,911 (GRCm39) T656A probably damaging Het
Mlh3 A G 12: 85,313,481 (GRCm39) W902R probably benign Het
Muc16 A T 9: 18,555,372 (GRCm39) Y3640* probably null Het
Ogfr GGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCCAAAGCCAGGTGG GGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGAGCCAGAGGACCCCAAAAGCCAGGTGGGGCCAGAGGACCCCCAAAGCCAGGTGG 2: 180,237,059 (GRCm39) probably benign Het
Pkd1l2 A G 8: 117,722,536 (GRCm39) I2424T probably benign Het
Prl8a2 A G 13: 27,534,998 (GRCm39) E91G possibly damaging Het
Prpf18 A G 2: 4,650,435 (GRCm39) V65A probably benign Het
Pxmp2 A G 5: 110,433,771 (GRCm39) V34A probably damaging Het
Ranbp2 T G 10: 58,287,839 (GRCm39) Y36D probably damaging Het
Rbm25 G A 12: 83,710,991 (GRCm39) R368Q unknown Het
Rims2 C A 15: 39,339,885 (GRCm39) L860M probably damaging Het
Rsf1 CGGC CGGCGGCGGGGGC 7: 97,229,139 (GRCm39) probably benign Het
Scn8a A T 15: 100,868,108 (GRCm39) M318L probably benign Het
Slc35b2 A G 17: 45,875,955 (GRCm39) T55A probably benign Het
Trnp1 T C 4: 133,225,416 (GRCm39) E118G possibly damaging Het
Ttll13 A C 7: 79,903,911 (GRCm39) K280Q probably damaging Het
Wdfy3 A T 5: 102,049,785 (GRCm39) H1680Q probably damaging Het
Zfp131 A G 13: 120,237,377 (GRCm39) I327T probably damaging Het
Zfp729b A G 13: 67,743,367 (GRCm39) V66A probably damaging 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
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
R9782:Mep1b UTSW 18 21,208,720 (GRCm39) missense possibly damaging 0.75
Predicted Primers PCR Primer
(F):5'- GTCATCAGGTGGTCTGTCTATC -3'
(R):5'- CTCCTTGAACAATCATCATGGCC -3'

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