Incidental Mutation 'R7852:Masp2'
ID 606978
Institutional Source Beutler Lab
Gene Symbol Masp2
Ensembl Gene ENSMUSG00000028979
Gene Name MBL associated serine protease 2
Synonyms MAp19, MASP-2
MMRRC Submission 045905-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.177) question?
Stock # R7852 (G1)
Quality Score 225.009
Status Not validated
Chromosome 4
Chromosomal Location 148687011-148699956 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 148687189 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Lysine at position 24 (E24K)
Ref Sequence ENSEMBL: ENSMUSP00000049729 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000052060] [ENSMUST00000105701]
AlphaFold Q91WP0
Predicted Effect probably benign
Transcript: ENSMUST00000052060
AA Change: E24K

PolyPhen 2 Score 0.004 (Sensitivity: 0.98; Specificity: 0.59)
SMART Domains Protein: ENSMUSP00000049729
Gene: ENSMUSG00000028979
AA Change: E24K

DomainStartEndE-ValueType
CUB 18 137 4.71e-30 SMART
EGF_CA 138 181 4.32e-10 SMART
CUB 184 296 4.29e-33 SMART
CCP 300 361 1.79e-12 SMART
CCP 366 429 5.4e-7 SMART
Tryp_SPc 443 678 1.3e-82 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000105701
AA Change: E24K

PolyPhen 2 Score 0.014 (Sensitivity: 0.96; Specificity: 0.79)
SMART Domains Protein: ENSMUSP00000101326
Gene: ENSMUSG00000028979
AA Change: E24K

DomainStartEndE-ValueType
CUB 18 137 4.71e-30 SMART
EGF_CA 138 181 4.32e-10 SMART
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the peptidase S1 family of serine proteases. The encoded preproprotein is proteolytically processed to generate A and B chains that heterodimerize to form the mature protease. This protease cleaves complement components C2 and C4 in order to generate C3 convertase in the lectin pathway of the complement system. The encoded protease also plays a role in the coagulation cascade through cleavage of prothrombin to form thrombin. Myocardial infarction and acute stroke patients exhibit reduced serum concentrations of the encoded protein. Alternative splicing results in multiple transcript variants, at least one of which encodes an isoform that is proteolytically processed. [provided by RefSeq, Feb 2016]
PHENOTYPE: Homozygous disruption of the exon encoding the small mannose-binding lectin (MBL)-associated protein results in a defective lectin-mediated complement pathway with a 20% reduction in the ability of serum components to cleave C3 and C4 in the presence of mannose. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933415A04Rik GTGT GTGTTTGT 11: 43,478,253 (GRCm39) probably null Het
Aco1 A G 4: 40,180,263 (GRCm39) D388G probably benign Het
Adgrl1 T G 8: 84,662,187 (GRCm39) L1016R probably damaging Het
Agmo C T 12: 37,292,051 (GRCm39) P4L possibly damaging Het
Agrn A T 4: 156,253,514 (GRCm39) H1792Q probably benign Het
Arhgef40 C T 14: 52,229,254 (GRCm39) L615F unknown Het
Atp6v1b1 A T 6: 83,729,452 (GRCm39) M121L possibly damaging Het
Cd38 C A 5: 44,058,790 (GRCm39) L135M probably damaging Het
Cep152 A T 2: 125,432,033 (GRCm39) N622K possibly damaging Het
Cfhr1 A C 1: 139,484,165 (GRCm39) V117G probably damaging Het
Dnajb1 T A 8: 84,336,834 (GRCm39) D201E probably benign Het
Dpysl2 T C 14: 67,100,092 (GRCm39) N48S probably benign Het
Dsc2 A G 18: 20,179,342 (GRCm39) I242T possibly damaging Het
Eif1ad10 A C 12: 88,216,588 (GRCm39) Y95D probably damaging Het
Eif1ad3 G A 12: 87,843,742 (GRCm39) V130M unknown Het
Fam193a C A 5: 34,568,161 (GRCm39) D153E probably benign Het
Flnc G T 6: 29,440,897 (GRCm39) D332Y probably damaging Het
Fstl5 A G 3: 76,615,275 (GRCm39) I779V probably benign Het
Gm29394 T C 15: 57,912,172 (GRCm39) I11V unknown Het
Gm36864 ATCAGAAGTTTC ATC 7: 43,886,361 (GRCm39) probably benign Het
Gnpnat1 G A 14: 45,622,110 (GRCm39) P28S probably damaging Het
Grk5 T C 19: 61,069,383 (GRCm39) probably null Het
Gys2 A T 6: 142,376,059 (GRCm39) F534L probably damaging Het
Igdcc4 G A 9: 65,027,540 (GRCm39) V201I probably benign Het
Khdc4 T A 3: 88,604,043 (GRCm39) S287T probably benign Het
Kif12 G C 4: 63,086,226 (GRCm39) P374A probably benign Het
Krt16 A T 11: 100,137,592 (GRCm39) I371N probably damaging Het
Lrfn2 G A 17: 49,376,972 (GRCm39) V18I possibly damaging Het
Mdga2 T C 12: 66,517,724 (GRCm39) N37D possibly damaging Het
Med12l T A 3: 59,155,332 (GRCm39) F1171I probably damaging Het
Med22 A T 2: 26,800,376 (GRCm39) Y18N probably damaging Het
Mfsd4b1 T C 10: 39,879,411 (GRCm39) N162S probably benign Het
Micu2 A T 14: 58,169,710 (GRCm39) N213K probably benign Het
Mpc1 C T 17: 8,515,740 (GRCm39) T86I probably damaging Het
Mto1 G T 9: 78,356,820 (GRCm39) V112L possibly damaging Het
Napepld C T 5: 21,888,171 (GRCm39) V93I probably benign Het
Nkx2-2 A T 2: 147,026,189 (GRCm39) M183K probably damaging Het
Nlrp10 A G 7: 108,524,281 (GRCm39) S400P probably damaging Het
Nynrin T C 14: 56,108,886 (GRCm39) L1331P probably damaging Het
Ofcc1 T A 13: 40,333,915 (GRCm39) D392V probably damaging Het
Or10q12 A G 19: 13,745,874 (GRCm39) H56R probably benign Het
Or11a4 T C 17: 37,536,163 (GRCm39) V49A probably benign Het
Or2ag16 A T 7: 106,351,845 (GRCm39) M250K probably damaging Het
Or6c38 T A 10: 128,929,385 (GRCm39) I153F probably benign Het
Patl2 C T 2: 122,009,590 (GRCm39) probably benign Het
Pde8b T G 13: 95,244,205 (GRCm39) D78A probably damaging Het
Pgls T A 8: 72,047,847 (GRCm39) probably null Het
Pik3c2a A G 7: 116,016,693 (GRCm39) S355P probably benign Het
Pole G A 5: 110,454,695 (GRCm39) R976Q probably damaging Het
Ppip5k2 A G 1: 97,668,896 (GRCm39) L511S probably damaging Het
Prcp A T 7: 92,577,900 (GRCm39) N390Y probably benign Het
Rpgrip1 T A 14: 52,383,337 (GRCm39) N752K probably benign Het
Rsl1d1 A G 16: 11,021,098 (GRCm39) S8P probably benign Het
S100a1 C A 3: 90,419,392 (GRCm39) A18S probably benign Het
Slc25a13 A G 6: 6,152,461 (GRCm39) F92S probably damaging Het
Slc35f3 T C 8: 127,121,219 (GRCm39) I360T probably damaging Het
Slc35f6 T C 5: 30,814,159 (GRCm39) Y202H possibly damaging Het
Sox6 A T 7: 115,400,839 (GRCm39) M1K probably null Het
Stx8 G A 11: 67,860,611 (GRCm39) D11N probably damaging Het
Vmn2r130 A G 17: 23,282,788 (GRCm39) N156S probably benign Het
Vmn2r52 T C 7: 9,892,895 (GRCm39) Y748C probably damaging Het
Vmn2r78 T A 7: 86,569,378 (GRCm39) Y90* probably null Het
Zc3h4 A G 7: 16,156,392 (GRCm39) S303G unknown Het
Other mutations in Masp2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00592:Masp2 APN 4 148,687,186 (GRCm39) missense probably benign 0.05
IGL01284:Masp2 APN 4 148,698,464 (GRCm39) missense probably damaging 1.00
IGL02040:Masp2 APN 4 148,688,270 (GRCm39) missense probably damaging 1.00
IGL02243:Masp2 APN 4 148,687,525 (GRCm39) missense probably benign 0.32
IGL02490:Masp2 APN 4 148,692,400 (GRCm39) missense possibly damaging 0.91
IGL02517:Masp2 APN 4 148,698,477 (GRCm39) missense probably damaging 1.00
IGL02997:Masp2 APN 4 148,687,632 (GRCm39) splice site probably benign
R0408:Masp2 UTSW 4 148,690,496 (GRCm39) missense probably benign
R1517:Masp2 UTSW 4 148,696,563 (GRCm39) missense possibly damaging 0.74
R1630:Masp2 UTSW 4 148,698,490 (GRCm39) missense probably benign 0.07
R1634:Masp2 UTSW 4 148,698,812 (GRCm39) missense probably damaging 1.00
R1873:Masp2 UTSW 4 148,698,952 (GRCm39) missense probably damaging 1.00
R2208:Masp2 UTSW 4 148,698,872 (GRCm39) missense probably damaging 1.00
R2283:Masp2 UTSW 4 148,690,525 (GRCm39) missense probably benign 0.00
R2876:Masp2 UTSW 4 148,692,458 (GRCm39) missense probably benign
R3921:Masp2 UTSW 4 148,690,188 (GRCm39) missense possibly damaging 0.95
R4586:Masp2 UTSW 4 148,698,358 (GRCm39) missense probably damaging 1.00
R4753:Masp2 UTSW 4 148,696,608 (GRCm39) missense probably benign 0.00
R4877:Masp2 UTSW 4 148,687,328 (GRCm39) missense probably benign 0.00
R5169:Masp2 UTSW 4 148,690,571 (GRCm39) missense probably damaging 0.96
R5512:Masp2 UTSW 4 148,698,526 (GRCm39) missense probably damaging 1.00
R6161:Masp2 UTSW 4 148,698,469 (GRCm39) missense possibly damaging 0.88
R6291:Masp2 UTSW 4 148,687,210 (GRCm39) missense probably damaging 0.99
R7039:Masp2 UTSW 4 148,687,043 (GRCm39) start codon destroyed probably benign 0.03
R7164:Masp2 UTSW 4 148,694,572 (GRCm39) critical splice acceptor site probably null
R7183:Masp2 UTSW 4 148,696,614 (GRCm39) missense probably benign 0.02
R7417:Masp2 UTSW 4 148,690,178 (GRCm39) missense probably benign 0.02
R7718:Masp2 UTSW 4 148,687,204 (GRCm39) missense probably damaging 1.00
R7748:Masp2 UTSW 4 148,690,163 (GRCm39) missense probably benign 0.00
R7986:Masp2 UTSW 4 148,687,283 (GRCm39) missense probably damaging 1.00
R8078:Masp2 UTSW 4 148,698,235 (GRCm39) missense probably benign 0.01
R8203:Masp2 UTSW 4 148,696,599 (GRCm39) missense probably benign 0.00
R8257:Masp2 UTSW 4 148,687,497 (GRCm39) missense possibly damaging 0.82
R8465:Masp2 UTSW 4 148,696,516 (GRCm39) missense possibly damaging 0.79
R9324:Masp2 UTSW 4 148,692,485 (GRCm39) missense possibly damaging 0.65
R9350:Masp2 UTSW 4 148,692,396 (GRCm39) critical splice acceptor site probably null
R9706:Masp2 UTSW 4 148,696,597 (GRCm39) missense probably benign 0.03
X0025:Masp2 UTSW 4 148,687,180 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- TCAAAGGTGATAGGCGCTGG -3'
(R):5'- GCTGTACCTCATAAGAAGGCCC -3'

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