Incidental Mutation 'R2307:Mep1b'
ID 244661
Institutional Source Beutler Lab
Gene Symbol Mep1b
Ensembl Gene ENSMUSG00000024313
Gene Name meprin 1 beta
Synonyms Mep-1b, meprin beta
MMRRC Submission 040306-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.173) question?
Stock # R2307 (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 T at 21221632 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Valine at position 194 (D194V)
Ref Sequence ENSEMBL: ENSMUSP00000080866 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000082235]
AlphaFold Q61847
Predicted Effect probably damaging
Transcript: ENSMUST00000082235
AA Change: D194V

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000080866
Gene: ENSMUSG00000024313
AA Change: D194V

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: 99.4%
  • 3x: 98.6%
  • 10x: 97.0%
  • 20x: 93.9%
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: 45 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acot5 T C 12: 84,122,375 (GRCm39) F320L possibly damaging Het
Alox12e T C 11: 70,212,087 (GRCm39) K170R probably damaging Het
Ano2 T C 6: 125,969,849 (GRCm39) S722P probably benign Het
Cep192 A G 18: 67,946,970 (GRCm39) Y215C probably benign Het
Ces2g A G 8: 105,695,044 (GRCm39) N555S probably benign Het
Cfap58 C T 19: 47,950,925 (GRCm39) Q429* probably null Het
Clcnkb A G 4: 141,139,640 (GRCm39) S121P probably damaging Het
Cltb T A 13: 54,746,564 (GRCm39) E67D probably damaging Het
Ddhd1 A T 14: 45,846,447 (GRCm39) L581Q probably damaging Het
Dnajc3 T C 14: 119,190,633 (GRCm39) probably null Het
Fgf14 T A 14: 124,221,234 (GRCm39) N190I probably damaging Het
Galnt17 T G 5: 130,929,460 (GRCm39) Y449S probably damaging Het
Grin3a C T 4: 49,793,033 (GRCm39) probably null Het
Gxylt2 A G 6: 100,764,173 (GRCm39) N286S probably damaging Het
H2-K2 A G 17: 34,216,113 (GRCm39) V120A probably benign Het
Inpp5f T C 7: 128,296,034 (GRCm39) V168A probably damaging Het
Kif1a G T 1: 93,006,491 (GRCm39) H59N probably damaging Het
Krt24 T C 11: 99,175,456 (GRCm39) Q193R possibly damaging Het
Krtap5-4 C A 7: 141,857,351 (GRCm39) S7* probably null Het
Ltn1 A G 16: 87,229,312 (GRCm39) probably null Het
Mcm2 G A 6: 88,869,990 (GRCm39) R60C probably damaging Het
Mettl25b A T 3: 87,834,162 (GRCm39) M171K possibly damaging Het
Orc3 C T 4: 34,586,503 (GRCm39) V382M probably damaging Het
Pclo T A 5: 14,728,665 (GRCm39) probably benign Het
Pcolce T C 5: 137,607,356 (GRCm39) H45R probably damaging Het
Prf1 T C 10: 61,138,942 (GRCm39) V300A possibly damaging Het
Prorp T C 12: 55,351,101 (GRCm39) F137L probably damaging Het
Prss53 T C 7: 127,490,037 (GRCm39) I18V probably benign Het
Rnase2b A G 14: 51,400,188 (GRCm39) T90A probably benign Het
Rpap1 G A 2: 119,614,247 (GRCm39) P50L probably benign Het
Rsf1 CG CGACGGCGGGG 7: 97,229,115 (GRCm39) probably benign Het
Rufy4 T C 1: 74,186,822 (GRCm39) C537R probably damaging Het
Sec16b G A 1: 157,363,062 (GRCm39) V298I probably damaging Het
Smarcd3 C T 5: 24,800,746 (GRCm39) R156Q probably damaging Het
St6galnac2 C T 11: 116,572,731 (GRCm39) A242T probably damaging Het
Syce1l T C 8: 114,369,937 (GRCm39) probably null Het
Tcam1 T C 11: 106,174,940 (GRCm39) C132R probably damaging Het
Trpa1 T C 1: 14,982,605 (GRCm39) I84V probably benign Het
Ttn G A 2: 76,717,342 (GRCm39) R455* probably null Het
Ubl5 T A 9: 20,557,876 (GRCm39) probably benign Het
Ubr2 T A 17: 47,277,141 (GRCm39) K779* probably null Het
Ugt1a10 A G 1: 87,983,669 (GRCm39) I156V probably benign Het
Unc13b A G 4: 43,239,854 (GRCm39) T3513A probably damaging Het
Vmn1r20 C T 6: 57,409,121 (GRCm39) T149I probably benign Het
Zfp804a T A 2: 82,087,201 (GRCm39) D343E 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
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'- TGACTGCCTGGAAGTGAAGG -3'
(R):5'- TAGCTTCAGAAGGTCATAGTCAC -3'

Sequencing Primer
(F):5'- CTGTGTGTGATATCAGGTTCAAAGAC -3'
(R):5'- GGTCATAGTCACTGAAGTCCATTCG -3'
Posted On 2014-10-30