Incidental Mutation 'R7843:Mep1b'
ID 606480
Institutional Source Beutler Lab
Gene Symbol Mep1b
Ensembl Gene ENSMUSG00000024313
Gene Name meprin 1 beta
Synonyms Mep-1b, meprin beta
MMRRC Submission 045897-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.187) question?
Stock # R7843 (G1)
Quality Score 225.009
Status Not validated
Chromosome 18
Chromosomal Location 21205401-21233256 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 21228110 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Isoleucine at position 571 (S571I)
Ref Sequence ENSEMBL: ENSMUSP00000080866 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000082235]
AlphaFold Q61847
Predicted Effect probably damaging
Transcript: ENSMUST00000082235
AA Change: S571I

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000080866
Gene: ENSMUSG00000024313
AA Change: S571I

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: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.0%
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: 65 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcf1 T C 17: 36,270,135 (GRCm39) D641G possibly damaging Het
Adam1b A T 5: 121,639,500 (GRCm39) I515N probably damaging Het
Adamtsl5 A G 10: 80,178,757 (GRCm39) V207A probably damaging Het
Ampd3 A G 7: 110,390,395 (GRCm39) I143V probably benign Het
Ank3 A T 10: 69,822,788 (GRCm39) T486S probably benign Het
Bcl11a A G 11: 24,114,831 (GRCm39) I725V probably benign Het
Blmh A G 11: 76,837,139 (GRCm39) N29D probably damaging Het
C6 T A 15: 4,837,886 (GRCm39) V832D Het
Ccdc191 T A 16: 43,779,699 (GRCm39) L777M probably damaging Het
Ccdc74a C G 16: 17,464,613 (GRCm39) H45Q Het
Cenpe T A 3: 134,938,720 (GRCm39) Y517* probably null Het
Cep290 G T 10: 100,352,050 (GRCm39) R752L possibly damaging Het
Cers5 A T 15: 99,670,212 (GRCm39) W17R unknown Het
Chpf T C 1: 75,454,931 (GRCm39) probably benign Het
Chst5 C A 8: 112,617,204 (GRCm39) A139S probably benign Het
Cpn1 T A 19: 43,974,597 (GRCm39) D44V probably benign Het
Cstf1 T C 2: 172,219,920 (GRCm39) Y344H probably damaging Het
D7Ertd443e A C 7: 133,950,824 (GRCm39) M283R possibly damaging Het
Dclk1 T A 3: 55,163,298 (GRCm39) V130D probably damaging Het
Dscam C T 16: 96,626,830 (GRCm39) V360M probably damaging Het
Dvl2 A G 11: 69,899,612 (GRCm39) N518S probably benign Het
Eif2ak2 T A 17: 79,176,203 (GRCm39) K231N probably benign Het
Elovl4 T C 9: 83,670,324 (GRCm39) R123G probably damaging Het
Ern2 A G 7: 121,772,931 (GRCm39) V562A probably damaging Het
F13a1 A T 13: 37,209,745 (GRCm39) N73K probably benign Het
Gcc2 C A 10: 58,103,843 (GRCm39) Q90K possibly damaging Het
Gnpda1 A T 18: 38,461,952 (GRCm39) S282T probably benign Het
Gpatch1 G T 7: 34,980,879 (GRCm39) H880Q unknown Het
Haus6 T C 4: 86,504,578 (GRCm39) D471G possibly damaging Het
Hcfc1r1 G T 17: 23,893,630 (GRCm39) E70* probably null Het
Ighv1-54 A G 12: 115,157,483 (GRCm39) W55R probably damaging Het
Jam3 T C 9: 27,017,712 (GRCm39) probably null Het
Klhdc7a A T 4: 139,694,155 (GRCm39) V264E possibly damaging Het
Lrrc4c A T 2: 97,460,558 (GRCm39) T395S probably benign Het
Man2a2 G C 7: 80,018,613 (GRCm39) A82G probably benign Het
Mast2 G T 4: 116,210,208 (GRCm39) T186K probably damaging Het
Meig1 T A 2: 3,410,248 (GRCm39) K84M probably damaging Het
Muc2 T G 7: 141,281,662 (GRCm39) V507G probably benign Het
Nkx2-3 C A 19: 43,603,321 (GRCm39) T309N probably benign Het
Oaf G A 9: 43,134,077 (GRCm39) R215C probably damaging Het
Or1ad1 A T 11: 50,875,845 (GRCm39) T106S probably benign Het
Or5b109 A T 19: 13,211,901 (GRCm39) N96Y possibly damaging Het
Or8b1c T C 9: 38,384,243 (GRCm39) S67P probably damaging Het
Pla2r1 T G 2: 60,277,819 (GRCm39) T835P possibly damaging Het
Ppil6 C T 10: 41,377,862 (GRCm39) T191I probably benign Het
Rps6ka5 T C 12: 100,519,408 (GRCm39) D735G possibly damaging Het
Setx T A 2: 29,063,581 (GRCm39) N2292K probably damaging Het
Slc1a6 A T 10: 78,632,094 (GRCm39) I307F probably damaging Het
Slc5a3 T A 16: 91,875,907 (GRCm39) W655R probably benign Het
Slc9a1 T C 4: 133,097,753 (GRCm39) probably benign Het
Sptbn1 A G 11: 30,104,320 (GRCm39) V128A probably damaging Het
Tenm3 T A 8: 48,682,146 (GRCm39) K2495* probably null Het
Tnni3k T A 3: 154,744,161 (GRCm39) T64S probably damaging Het
Top1 T C 2: 160,556,176 (GRCm39) V545A possibly damaging Het
Trabd A G 15: 88,966,157 (GRCm39) D38G possibly damaging Het
Tsbp1 C T 17: 34,668,798 (GRCm39) T176I possibly damaging Het
Umad1 G A 6: 8,401,140 (GRCm39) D70N unknown Het
Usp36 T C 11: 118,176,791 (GRCm39) E9G probably damaging Het
Vmn2r53 A G 7: 12,316,026 (GRCm39) S598P probably damaging Het
Vmn2r60 A T 7: 41,844,511 (GRCm39) T625S probably benign Het
Vmn2r72 G A 7: 85,398,838 (GRCm39) T505I probably benign Het
Vwce T A 19: 10,641,647 (GRCm39) I791K probably benign Het
Wdr64 C A 1: 175,639,668 (GRCm39) H1046N probably benign Het
Zdhhc4 A T 5: 143,306,031 (GRCm39) D232E probably damaging Het
Zfp984 A T 4: 147,842,165 (GRCm39) F51I 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
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
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'- TGATGATGCTCAATCCAGCCC -3'
(R):5'- GCAAGACCACATGCTTCCTG -3'

Sequencing Primer
(F):5'- CAATCCAGCCCATTAATATAAATTGC -3'
(R):5'- AAGACCACATGCTTCCTGTGTTAG -3'
Posted On 2019-12-20