Incidental Mutation 'R5880:Mmp20'
ID 454381
Institutional Source Beutler Lab
Gene Symbol Mmp20
Ensembl Gene ENSMUSG00000018620
Gene Name matrix metallopeptidase 20 (enamelysin)
Synonyms
MMRRC Submission 043235-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.064) question?
Stock # R5880 (G1)
Quality Score 225
Status Not validated
Chromosome 9
Chromosomal Location 7628232-7674969 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 7655002 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Glutamine at position 370 (R370Q)
Ref Sequence ENSEMBL: ENSMUSP00000034487 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034487]
AlphaFold P57748
Predicted Effect probably benign
Transcript: ENSMUST00000034487
AA Change: R370Q

PolyPhen 2 Score 0.205 (Sensitivity: 0.92; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000034487
Gene: ENSMUSG00000018620
AA Change: R370Q

DomainStartEndE-ValueType
signal peptide 1 21 N/A INTRINSIC
Pfam:PG_binding_1 34 94 2.3e-9 PFAM
ZnMc 112 271 6.89e-67 SMART
HX 301 344 7.07e-6 SMART
HX 346 388 1.27e-7 SMART
HX 393 440 3.76e-10 SMART
HX 442 482 6.8e-8 SMART
Coding Region Coverage
  • 1x: 99.8%
  • 3x: 99.2%
  • 10x: 93.4%
  • 20x: 74.5%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes a member of the matrix metalloproteinase family of zinc-dependent endopeptidases capable of degrading extracellular matrix proteins. This gene is expressed specifically in the ameloblasts and odontoblasts, and the encoded protein is an inactive zymogen that requires proteolytic removal of a N-terminal propeptide to become enzymatically active. Mice lacking the encoded protein display an amelogenesis imperfecta phenotype. [provided by RefSeq, Oct 2015]
PHENOTYPE: Mice homozygous for a knockout allele exhibit a severe and profound tooth phenotype that includes altered amelogenin processing, enamel that delaminates from dentin, a hypoplastic enamel, a disorganized prism pattern, and a progressively deteriorating enamel morphology. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 24 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acaa2 G A 18: 74,937,072 (GRCm39) V319M probably damaging Het
Actrt2 T A 4: 154,751,747 (GRCm39) T130S probably benign Het
Ap1g2 A G 14: 55,340,157 (GRCm39) S392P probably damaging Het
Cby2 C T 14: 75,821,243 (GRCm39) V119I probably benign Het
Cdh23 T A 10: 60,220,713 (GRCm39) N1344Y probably damaging Het
Cyp4x1 A T 4: 114,965,918 (GRCm39) H469Q possibly damaging Het
Dhodh T A 8: 110,321,409 (GRCm39) T326S probably benign Het
Ebf3 T G 7: 136,800,367 (GRCm39) N529T probably benign Het
Echdc2 A C 4: 108,030,097 (GRCm39) I133L possibly damaging Het
Fbn2 A T 18: 58,156,354 (GRCm39) C2488* probably null Het
Fndc3b T A 3: 27,483,052 (GRCm39) T1049S probably damaging Het
Igsf10 T C 3: 59,238,252 (GRCm39) Y643C probably damaging Het
Il15ra A G 2: 11,735,426 (GRCm39) *104W probably null Het
Iqgap3 T A 3: 88,024,509 (GRCm39) S628R possibly damaging Het
Lrp1b C T 2: 41,231,826 (GRCm39) V1215M probably benign Het
Or10al4 T C 17: 38,037,545 (GRCm39) V219A probably benign Het
Or4d5 A T 9: 40,012,543 (GRCm39) M81K possibly damaging Het
Or4k6 A G 14: 50,476,172 (GRCm39) S57P possibly damaging Het
Patj A T 4: 98,299,382 (GRCm39) H168L probably damaging Het
Peak1 A T 9: 56,114,894 (GRCm39) I319N probably damaging Het
Rgs20 A T 1: 4,994,104 (GRCm39) C93S probably damaging Het
Sh3tc2 A T 18: 62,106,382 (GRCm39) H137L probably benign Het
Sycp2 A G 2: 178,016,263 (GRCm39) V733A possibly damaging Het
Tet3 G C 6: 83,347,532 (GRCm39) P1154R probably damaging Het
Other mutations in Mmp20
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01490:Mmp20 APN 9 7,628,330 (GRCm39) missense probably benign
IGL01634:Mmp20 APN 9 7,635,149 (GRCm39) nonsense probably null
IGL01682:Mmp20 APN 9 7,671,376 (GRCm39) missense probably benign 0.01
IGL01997:Mmp20 APN 9 7,639,261 (GRCm39) missense probably benign 0.03
IGL02211:Mmp20 APN 9 7,655,071 (GRCm39) missense probably damaging 1.00
IGL02496:Mmp20 APN 9 7,654,042 (GRCm39) missense probably damaging 1.00
IGL02902:Mmp20 APN 9 7,654,171 (GRCm39) splice site probably null
IGL03340:Mmp20 APN 9 7,643,995 (GRCm39) missense probably damaging 1.00
titanium UTSW 9 7,654,144 (GRCm39) nonsense probably null
PIT4519001:Mmp20 UTSW 9 7,628,302 (GRCm39) missense probably benign 0.00
R0082:Mmp20 UTSW 9 7,642,808 (GRCm39) missense probably benign 0.00
R0480:Mmp20 UTSW 9 7,645,374 (GRCm39) missense probably damaging 1.00
R1449:Mmp20 UTSW 9 7,642,769 (GRCm39) missense probably damaging 1.00
R1994:Mmp20 UTSW 9 7,645,293 (GRCm39) missense probably benign 0.00
R4343:Mmp20 UTSW 9 7,628,346 (GRCm39) frame shift probably null
R4825:Mmp20 UTSW 9 7,654,121 (GRCm39) missense probably damaging 1.00
R4835:Mmp20 UTSW 9 7,645,300 (GRCm39) missense probably benign 0.00
R4836:Mmp20 UTSW 9 7,644,027 (GRCm39) missense possibly damaging 0.89
R5488:Mmp20 UTSW 9 7,643,958 (GRCm39) critical splice acceptor site probably null
R5489:Mmp20 UTSW 9 7,643,958 (GRCm39) critical splice acceptor site probably null
R5759:Mmp20 UTSW 9 7,628,378 (GRCm39) critical splice donor site probably null
R6029:Mmp20 UTSW 9 7,639,302 (GRCm39) missense probably benign
R6510:Mmp20 UTSW 9 7,643,967 (GRCm39) missense probably damaging 1.00
R7580:Mmp20 UTSW 9 7,654,144 (GRCm39) nonsense probably null
R7635:Mmp20 UTSW 9 7,639,335 (GRCm39) missense probably benign 0.00
R7904:Mmp20 UTSW 9 7,644,076 (GRCm39) missense possibly damaging 0.69
R8902:Mmp20 UTSW 9 7,639,288 (GRCm39) missense probably benign
R9214:Mmp20 UTSW 9 7,628,327 (GRCm39) missense probably benign 0.00
Z1177:Mmp20 UTSW 9 7,644,063 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- TTGCCTCAGGGAAGTTTGAAG -3'
(R):5'- CAGCAGGCTTATTGTTAAGTAGCTTG -3'

Sequencing Primer
(F):5'- CCTCAGGGAAGTTTGAAGTCTATTAC -3'
(R):5'- CTTTTTCATCAAATACATGCAGAGC -3'
Posted On 2017-02-10