Incidental Mutation 'R4171:Mep1b'
ID 318152
Institutional Source Beutler Lab
Gene Symbol Mep1b
Ensembl Gene ENSMUSG00000024313
Gene Name meprin 1 beta
Synonyms Mep-1b, meprin beta
MMRRC Submission 041011-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.187) question?
Stock # R4171 (G1)
Quality Score 225
Status Validated
Chromosome 18
Chromosomal Location 21205401-21233256 bp(+) (GRCm39)
Type of Mutation splice site (3 bp from exon)
DNA Base Change (assembly) A to T at 21228163 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000080866 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000082235]
AlphaFold Q61847
Predicted Effect probably null
Transcript: ENSMUST00000082235
SMART Domains Protein: ENSMUSP00000080866
Gene: ENSMUSG00000024313

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 0.9755 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.6%
Validation Efficiency 100% (42/42)
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: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700012B07Rik G T 11: 109,684,980 (GRCm39) C172* probably null Het
2310022A10Rik A G 7: 27,265,109 (GRCm39) N87S probably benign Het
Apmap A G 2: 150,425,987 (GRCm39) V387A probably benign Het
B130024G19Rik C T 7: 70,038,454 (GRCm39) noncoding transcript Het
Cd200r1 A G 16: 44,613,127 (GRCm39) I244M probably damaging Het
Clic6 T C 16: 92,293,949 (GRCm39) probably benign Het
Col11a1 A G 3: 114,001,863 (GRCm39) D429G probably damaging Het
Dsg4 T A 18: 20,591,636 (GRCm39) Y458* probably null Het
Elapor1 G T 3: 108,368,259 (GRCm39) Q885K probably benign Het
Fbxl13 A G 5: 21,748,786 (GRCm39) Y378H probably benign Het
Ifi203 A C 1: 173,761,341 (GRCm39) probably benign Het
Ifna6 T C 4: 88,746,038 (GRCm39) V129A probably benign Het
Igkv3-4 G A 6: 70,649,324 (GRCm39) A108T probably damaging Het
Itga1 G A 13: 115,167,422 (GRCm39) Q165* probably null Het
Kdm4c T A 4: 74,199,135 (GRCm39) Y108N possibly damaging Het
Lap3 T C 5: 45,666,833 (GRCm39) S412P probably benign Het
Lrfn5 G A 12: 61,890,168 (GRCm39) V486I probably damaging Het
Mettl6 T C 14: 31,215,624 (GRCm39) N52S probably damaging Het
Nup54 A G 5: 92,565,343 (GRCm39) I458T possibly damaging Het
Or1e16 A C 11: 73,286,365 (GRCm39) L161R probably damaging Het
Or6c204 G A 10: 129,022,453 (GRCm39) A279V probably benign Het
Pecr A T 1: 72,315,428 (GRCm39) N107K probably damaging Het
Pnpla6 A G 8: 3,593,997 (GRCm39) Q1307R probably benign Het
Poll T C 19: 45,544,492 (GRCm39) K310E probably damaging Het
Rab29 A G 1: 131,795,475 (GRCm39) Q29R probably benign Het
Reg2 G A 6: 78,383,574 (GRCm39) G99D probably damaging Het
Rftn2 G A 1: 55,253,429 (GRCm39) S58L probably damaging Het
Rps6kb1 T C 11: 86,435,405 (GRCm39) E43G possibly damaging Het
Sdk2 T C 11: 113,757,815 (GRCm39) probably null Het
Slc38a6 T A 12: 73,397,326 (GRCm39) Y323N probably benign Het
Sp100 T C 1: 85,634,562 (GRCm39) S152P probably benign Het
Tmc5 A G 7: 118,248,810 (GRCm39) Y605C probably damaging Het
Txndc17 T C 11: 72,098,537 (GRCm39) Y30H probably damaging Het
Vmn1r44 T A 6: 89,870,996 (GRCm39) F247L probably damaging Het
Zbtb39 C T 10: 127,578,236 (GRCm39) T270I possibly damaging Het
Zfp512b G A 2: 181,232,391 (GRCm39) probably null Het
Zwilch T A 9: 64,065,997 (GRCm39) R255* probably null 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
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'- TTTGGGACAGGCCTTCCAAG -3'
(R):5'- GACCACATGCTTCCTGTGTTAG -3'

Sequencing Primer
(F):5'- CTTCCAAGGTGGGAGTGAC -3'
(R):5'- CTCTGGAACTTTTGGTATAGCAAATG -3'
Posted On 2015-06-10