Incidental Mutation 'R2993:Mmp21'
ID 257969
Institutional Source Beutler Lab
Gene Symbol Mmp21
Ensembl Gene ENSMUSG00000030981
Gene Name matrix metallopeptidase 21
Synonyms b2b2458Clo, b2b873Clo
MMRRC Submission 040528-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.070) question?
Stock # R2993 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 133275999-133281790 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 133280715 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Histidine at position 85 (R85H)
Ref Sequence ENSEMBL: ENSMUSP00000113853 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000033278] [ENSMUST00000122136]
AlphaFold Q8K3F2
Predicted Effect probably damaging
Transcript: ENSMUST00000033278
AA Change: R85H

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000033278
Gene: ENSMUSG00000030981
AA Change: R85H

DomainStartEndE-ValueType
Pfam:PG_binding_1 46 107 5.6e-13 PFAM
low complexity region 117 133 N/A INTRINSIC
ZnMc 166 327 2.67e-32 SMART
HX 332 390 1.97e-1 SMART
HX 393 448 5.36e-6 SMART
HX 450 497 9.33e-6 SMART
HX 505 548 1.11e0 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000122136
AA Change: R85H

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000113853
Gene: ENSMUSG00000030981
AA Change: R85H

DomainStartEndE-ValueType
Pfam:PG_binding_1 46 107 1.9e-13 PFAM
low complexity region 117 133 N/A INTRINSIC
ZnMc 166 327 2.67e-32 SMART
Pfam:Hemopexin 351 390 4.7e-8 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000131894
Meta Mutation Damage Score 0.6494 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.0%
Validation Efficiency 100% (34/34)
MGI Phenotype FUNCTION: This gene encodes a member of the matrix metalloproteinase family of extracellular matrix-degrading enzymes that are involved in tissue remodeling, wound repair, progression of atherosclerosis and tumor invasion. Mice harboring certain mutations in this gene exhibit congenital heart defects. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Feb 2016]
PHENOTYPE: Mice homozygous for an ENU-induced mutation exhibit heterotaxia and congenital cardiovascular defects including d-loop transposition of the great arteries, tricupid valve atresia, and ventricular septal defect. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 33 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700003H04Rik A G 3: 124,372,184 (GRCm39) W67R probably damaging Het
Abca16 T C 7: 120,134,384 (GRCm39) V1377A probably damaging Het
Adarb2 A C 13: 8,763,752 (GRCm39) I550L probably benign Het
Afdn T C 17: 14,111,262 (GRCm39) probably null Het
Ago1 G T 4: 126,333,839 (GRCm39) probably benign Het
Atp4a G A 7: 30,419,650 (GRCm39) R671Q probably benign Het
Cdc7 G A 5: 107,121,764 (GRCm39) V226I probably benign Het
Cdh15 G A 8: 123,588,763 (GRCm39) R279Q probably damaging Het
Cyp4a31 G A 4: 115,427,017 (GRCm39) V206I probably benign Het
Ddx47 G T 6: 134,995,944 (GRCm39) R120L probably damaging Het
Dnah7a G A 1: 53,542,713 (GRCm39) L2486F probably damaging Het
Eif3d A G 15: 77,845,905 (GRCm39) I372T possibly damaging Het
Eogt A T 6: 97,095,915 (GRCm39) probably null Het
Epb42 G A 2: 120,859,525 (GRCm39) probably benign Het
Fbxl2 T C 9: 113,818,484 (GRCm39) E159G possibly damaging Het
Gabrb2 T C 11: 42,488,476 (GRCm39) V314A probably damaging Het
Gpr15lg T A 14: 36,829,402 (GRCm39) H27L probably benign Het
Gtf2h3 T C 5: 124,721,997 (GRCm39) F32L probably benign Het
Gzmk A G 13: 113,317,011 (GRCm39) I56T probably damaging Het
Katnbl1 G T 2: 112,238,963 (GRCm39) probably null Het
Klhdc4 G C 8: 122,533,320 (GRCm39) S118* probably null Het
Klrb1-ps1 A T 6: 129,097,992 (GRCm39) K73N probably benign Het
Lrp1 T C 10: 127,446,250 (GRCm39) D98G probably damaging Het
Lrrfip1 C A 1: 91,032,956 (GRCm39) D313E probably damaging Het
Misp3 A G 8: 84,738,213 (GRCm39) L34P probably damaging Het
Mrpl16 A G 19: 11,751,895 (GRCm39) I218M possibly damaging Het
Mtmr4 T A 11: 87,495,823 (GRCm39) V553D probably damaging Het
Rap1gap2 C A 11: 74,298,148 (GRCm39) A491S possibly damaging Het
Secisbp2l C T 2: 125,582,657 (GRCm39) G933D possibly damaging Het
Spata31e2 A T 1: 26,724,909 (GRCm39) D90E possibly damaging Het
Vmn1r224 T A 17: 20,639,472 (GRCm39) S16R probably damaging Het
Vmn2r55 C T 7: 12,418,882 (GRCm39) A13T probably damaging Het
Zer1 A G 2: 29,991,909 (GRCm39) V637A probably damaging Het
Other mutations in Mmp21
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01868:Mmp21 APN 7 133,277,643 (GRCm39) missense probably damaging 1.00
IGL02822:Mmp21 APN 7 133,277,828 (GRCm39) missense possibly damaging 0.80
IGL03240:Mmp21 APN 7 133,276,300 (GRCm39) missense probably damaging 0.97
IGL03261:Mmp21 APN 7 133,276,403 (GRCm39) missense probably benign 0.01
R0659:Mmp21 UTSW 7 133,279,396 (GRCm39) splice site probably benign
R1037:Mmp21 UTSW 7 133,276,182 (GRCm39) missense probably benign 0.16
R1463:Mmp21 UTSW 7 133,277,588 (GRCm39) splice site probably null
R1523:Mmp21 UTSW 7 133,280,774 (GRCm39) missense probably benign
R1710:Mmp21 UTSW 7 133,279,014 (GRCm39) missense probably damaging 1.00
R1804:Mmp21 UTSW 7 133,280,611 (GRCm39) missense probably benign 0.01
R1848:Mmp21 UTSW 7 133,278,882 (GRCm39) missense probably benign 0.05
R3431:Mmp21 UTSW 7 133,280,479 (GRCm39) missense probably benign 0.00
R4790:Mmp21 UTSW 7 133,276,759 (GRCm39) missense probably damaging 1.00
R4870:Mmp21 UTSW 7 133,280,406 (GRCm39) missense probably damaging 1.00
R5134:Mmp21 UTSW 7 133,280,742 (GRCm39) missense probably benign 0.00
R5347:Mmp21 UTSW 7 133,277,651 (GRCm39) missense probably benign
R5682:Mmp21 UTSW 7 133,276,358 (GRCm39) missense probably benign 0.00
R5905:Mmp21 UTSW 7 133,280,443 (GRCm39) missense probably benign 0.17
R6028:Mmp21 UTSW 7 133,280,443 (GRCm39) missense probably benign 0.17
R6936:Mmp21 UTSW 7 133,280,704 (GRCm39) missense probably benign 0.01
R7657:Mmp21 UTSW 7 133,280,562 (GRCm39) missense probably benign 0.00
R7702:Mmp21 UTSW 7 133,280,791 (GRCm39) missense probably damaging 1.00
R7786:Mmp21 UTSW 7 133,276,764 (GRCm39) missense probably benign
R8922:Mmp21 UTSW 7 133,276,000 (GRCm39) unclassified probably benign
R8937:Mmp21 UTSW 7 133,280,700 (GRCm39) missense probably benign 0.03
R8989:Mmp21 UTSW 7 133,276,746 (GRCm39) missense probably damaging 1.00
Z1177:Mmp21 UTSW 7 133,276,662 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AAAGCGCTTTTGTCTGGCC -3'
(R):5'- CACTCTGGTAGATCCTGGATAAAGTC -3'

Sequencing Primer
(F):5'- CCTGGGCCGGAGACCTAAAG -3'
(R):5'- AGCTTCATTCTGTGTATCTCCTG -3'
Posted On 2015-01-11