Incidental Mutation 'R3863:Mep1b'
ID 276442
Institutional Source Beutler Lab
Gene Symbol Mep1b
Ensembl Gene ENSMUSG00000024313
Gene Name meprin 1 beta
Synonyms Mep-1b, meprin beta
Accession Numbers
Essential gene? Probably non essential (E-score: 0.173) question?
Stock # R3863 (G1)
Quality Score 225
Status Not validated
Chromosome 18
Chromosomal Location 21205401-21233256 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 21217226 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Serine at position 115 (N115S)
Ref Sequence ENSEMBL: ENSMUSP00000080866 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000082235]
AlphaFold Q61847
Predicted Effect possibly damaging
Transcript: ENSMUST00000082235
AA Change: N115S

PolyPhen 2 Score 0.564 (Sensitivity: 0.88; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000080866
Gene: ENSMUSG00000024313
AA Change: N115S

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 0.1508 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.8%
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: 23 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aldh18a1 A T 19: 40,539,758 (GRCm39) I739N probably damaging Het
Arfgef1 CAGAG CAG 1: 10,212,811 (GRCm39) probably null Het
Ccdc85a T A 11: 28,527,335 (GRCm39) probably null Het
D430041D05Rik T C 2: 104,044,522 (GRCm39) I825M possibly damaging Het
Evi2 T A 11: 79,406,472 (GRCm39) I368F probably benign Het
Greb1 G A 12: 16,752,421 (GRCm39) R974W probably damaging Het
Ighv1-7 A G 12: 114,502,266 (GRCm39) I67T probably damaging Het
Kcnd2 C G 6: 21,217,262 (GRCm39) S322* probably null Het
Lats1 T C 10: 7,581,510 (GRCm39) V765A probably damaging Het
Lrrd1 G A 5: 3,901,248 (GRCm39) V518I probably benign Het
Ltbp3 G A 19: 5,804,050 (GRCm39) R854Q probably benign Het
Marchf11 C T 15: 26,387,952 (GRCm39) A269V probably damaging Het
N4bp1 T C 8: 87,587,055 (GRCm39) T628A probably benign Het
Nuak1 C T 10: 84,213,951 (GRCm39) probably null Het
Obscn T C 11: 59,022,472 (GRCm39) R758G possibly damaging Het
Parp8 A G 13: 117,031,303 (GRCm39) S470P probably benign Het
Pcdhb3 A G 18: 37,436,329 (GRCm39) E765G probably damaging Het
Rbm26 G T 14: 105,358,504 (GRCm39) Q912K probably damaging Het
Sgcz T C 8: 37,990,565 (GRCm39) I263V probably benign Het
Slc15a1 C T 14: 121,722,269 (GRCm39) V211I probably benign Het
Slc4a4 T C 5: 89,283,507 (GRCm39) F442S possibly damaging Het
Sorcs2 G T 5: 36,555,007 (GRCm39) S128* probably null Het
Vmn1r173 T A 7: 23,401,977 (GRCm39) F71I 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
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
R9782:Mep1b UTSW 18 21,208,720 (GRCm39) missense possibly damaging 0.75
Predicted Primers PCR Primer
(F):5'- AAGGACGTGTAAGGCTGTC -3'
(R):5'- TGGGCAAACCATCCACTACTG -3'

Sequencing Primer
(F):5'- GACGTGTAAGGCTGTCTTTAAAAATC -3'
(R):5'- CATTATTTTATGGCCAGAGGAACTG -3'
Posted On 2015-04-06