Incidental Mutation 'R2162:Mep1b'
ID 235237
Institutional Source Beutler Lab
Gene Symbol Mep1b
Ensembl Gene ENSMUSG00000024313
Gene Name meprin 1 beta
Synonyms Mep-1b, meprin beta
MMRRC Submission 040165-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.187) question?
Stock # R2162 (G1)
Quality Score 225
Status Validated
Chromosome 18
Chromosomal Location 21205401-21233256 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 21219296 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Isoleucine at position 150 (T150I)
Ref Sequence ENSEMBL: ENSMUSP00000080866 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000082235]
AlphaFold Q61847
Predicted Effect possibly damaging
Transcript: ENSMUST00000082235
AA Change: T150I

PolyPhen 2 Score 0.824 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000080866
Gene: ENSMUSG00000024313
AA Change: T150I

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 0.1485 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.6%
Validation Efficiency 100% (55/55)
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
Adamts20 A C 15: 94,229,339 (GRCm39) C927G probably damaging Het
Afdn T A 17: 14,116,436 (GRCm39) D190E probably benign Het
Ankrd28 T C 14: 31,430,719 (GRCm39) D850G probably damaging Het
Arhgap45 T C 10: 79,852,813 (GRCm39) M1T probably null Het
Atp6v0a4 T G 6: 38,065,581 (GRCm39) K128N possibly damaging Het
Bcat1 T A 6: 144,955,834 (GRCm39) D349V probably damaging Het
Cacna1i T C 15: 80,240,388 (GRCm39) F370S probably damaging Het
Clca4b T C 3: 144,634,348 (GRCm39) I82V probably benign Het
Csmd3 CCTTTGCGCTT CCTT 15: 47,604,632 (GRCm39) probably null Het
Cyfip2 T C 11: 46,152,333 (GRCm39) D485G probably benign Het
Cyp27b1 G T 10: 126,886,929 (GRCm39) V382L probably damaging Het
Dnaaf5 T C 5: 139,167,320 (GRCm39) V447A possibly damaging Het
Dpp9 A T 17: 56,506,113 (GRCm39) F429I possibly damaging Het
Eng C T 2: 32,569,059 (GRCm39) R528C probably damaging Het
Gcn1 A T 5: 115,730,191 (GRCm39) Q835L probably benign Het
Gprc6a CAAA CA 10: 51,491,776 (GRCm39) probably null Het
Hlx T A 1: 184,462,889 (GRCm39) probably null Het
Htt T A 5: 34,979,062 (GRCm39) V815D probably benign Het
Il36rn G T 2: 24,169,692 (GRCm39) L17F probably damaging Het
Itga1 C T 13: 115,167,446 (GRCm39) V157I probably benign Het
Krtap19-3 T G 16: 88,674,607 (GRCm39) *88C probably null Het
Lzic G C 4: 149,573,185 (GRCm39) E112D probably null Het
Mark2 G C 19: 7,260,112 (GRCm39) S111C probably damaging Het
Mroh7 G C 4: 106,557,378 (GRCm39) S777R probably damaging Het
Nrxn1 G A 17: 90,469,859 (GRCm39) R35C probably damaging Het
Or12e10 T A 2: 87,640,704 (GRCm39) I180K probably damaging Het
Or51v8 T G 7: 103,320,079 (GRCm39) Q53P possibly damaging Het
Or5p69 C A 7: 107,966,769 (GRCm39) P24Q probably benign Het
Pacs2 A G 12: 113,014,567 (GRCm39) T243A probably benign Het
Pan2 A G 10: 128,140,091 (GRCm39) E4G possibly damaging Het
Pdp1 A G 4: 11,961,123 (GRCm39) V396A probably damaging Het
Pdzd7 A G 19: 45,024,494 (GRCm39) probably null Het
Peg10 T A 6: 4,755,914 (GRCm39) probably benign Het
Pgc C A 17: 48,040,236 (GRCm39) F93L probably null Het
Piezo2 A G 18: 63,214,733 (GRCm39) probably null Het
Pja2 T C 17: 64,616,397 (GRCm39) D166G probably benign Het
Ppp1r9b T C 11: 94,888,877 (GRCm39) L97P probably damaging Het
Ptgir A G 7: 16,640,794 (GRCm39) M29V possibly damaging Het
S100a10 T C 3: 93,471,680 (GRCm39) V88A probably damaging Het
Scn9a T A 2: 66,364,573 (GRCm39) Y789F probably damaging Het
Slit3 A T 11: 35,579,509 (GRCm39) S1229C probably null Het
Spata31g1 A G 4: 42,972,238 (GRCm39) T524A possibly damaging Het
Sptan1 T C 2: 29,908,588 (GRCm39) probably benign Het
Srrd G T 5: 112,490,810 (GRCm39) probably benign Het
Tdrd3 A G 14: 87,718,221 (GRCm39) T201A probably damaging Het
Tectb C G 19: 55,169,431 (GRCm39) probably benign Het
Ttll4 A G 1: 74,725,550 (GRCm39) K653E probably damaging Het
Usp43 A G 11: 67,770,795 (GRCm39) L613P probably damaging Het
Vmn1r167 T C 7: 23,204,224 (GRCm39) D264G possibly damaging Het
Whamm A G 7: 81,221,089 (GRCm39) D7G probably damaging Het
Zcchc17 T C 4: 130,232,317 (GRCm39) D62G probably benign Het
Zfp280d T A 9: 72,206,104 (GRCm39) I62K probably damaging Het
Zfp445 T G 9: 122,681,541 (GRCm39) E800A probably damaging Het
Zfp516 A G 18: 83,005,063 (GRCm39) R656G possibly 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
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
R9782:Mep1b UTSW 18 21,208,720 (GRCm39) missense possibly damaging 0.75
Predicted Primers PCR Primer
(F):5'- GCGCAATTCAATGTTGTTGTGC -3'
(R):5'- TAGACATGATGAAGTGTATCTGGTC -3'

Sequencing Primer
(F):5'- GTTGTGCAGTGTGTCCCCC -3'
(R):5'- TGAAGTGTATCTGGTCTCCAAACACC -3'
Posted On 2014-10-01