Incidental Mutation 'R7986:Masp2'
ID 651477
Institutional Source Beutler Lab
Gene Symbol Masp2
Ensembl Gene ENSMUSG00000028979
Gene Name MBL associated serine protease 2
Synonyms MAp19, MASP-2
MMRRC Submission 046027-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.177) question?
Stock # R7986 (G1)
Quality Score 225.009
Status Not validated
Chromosome 4
Chromosomal Location 148687011-148699956 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 148687283 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 55 (Y55C)
Ref Sequence ENSEMBL: ENSMUSP00000049729 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000052060] [ENSMUST00000105701]
AlphaFold Q91WP0
Predicted Effect probably damaging
Transcript: ENSMUST00000052060
AA Change: Y55C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000049729
Gene: ENSMUSG00000028979
AA Change: Y55C

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 damaging
Transcript: ENSMUST00000105701
AA Change: Y55C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000101326
Gene: ENSMUSG00000028979
AA Change: Y55C

DomainStartEndE-ValueType
CUB 18 137 4.71e-30 SMART
EGF_CA 138 181 4.32e-10 SMART
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 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: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts1 G T 16: 85,596,435 (GRCm39) A401D probably damaging Het
Akap10 C T 11: 61,820,890 (GRCm39) G5R probably damaging Het
Arhgap21 A C 2: 20,867,967 (GRCm39) L1023W probably damaging Het
Bpifb4 A G 2: 153,799,650 (GRCm39) N339S probably benign Het
Btbd17 A G 11: 114,683,341 (GRCm39) Y124H probably damaging Het
Cacna1a C G 8: 85,365,408 (GRCm39) R2184G probably benign Het
Cavin1 A G 11: 100,861,102 (GRCm39) I64T probably damaging Het
Cby3 A G 11: 50,250,106 (GRCm39) H9R possibly damaging Het
Ccdc141 A G 2: 76,845,461 (GRCm39) L1202P probably benign Het
Cd109 A G 9: 78,596,048 (GRCm39) I794V possibly damaging Het
Col12a1 C T 9: 79,511,674 (GRCm39) probably null Het
Col6a2 A G 10: 76,450,972 (GRCm39) L23P probably benign Het
Csf1r A G 18: 61,247,904 (GRCm39) H324R probably benign Het
D430041D05Rik A G 2: 104,087,096 (GRCm39) S627P probably damaging Het
Dffb G A 4: 154,054,504 (GRCm39) S195F probably damaging Het
Fstl5 T A 3: 76,337,097 (GRCm39) Y219N probably damaging Het
Gm29106 A T 1: 118,128,000 (GRCm39) H564L possibly damaging Het
Gpt2 T A 8: 86,235,839 (GRCm39) C158* probably null Het
Grin1 G T 2: 25,185,841 (GRCm39) A872D probably damaging Het
Hoxa1 T C 6: 52,135,018 (GRCm39) S62G probably benign Het
Krt28 T C 11: 99,257,651 (GRCm39) N397D probably benign Het
Ldlrad4 G T 18: 68,368,740 (GRCm39) A66S possibly damaging Het
Llgl1 G T 11: 60,602,221 (GRCm39) A755S probably benign Het
Lmod2 A G 6: 24,603,448 (GRCm39) E141G possibly damaging Het
Loxhd1 A T 18: 77,462,890 (GRCm39) T910S possibly damaging Het
Nek10 A C 14: 15,001,020 (GRCm38) S1067R probably benign Het
Nemp2 C T 1: 52,669,981 (GRCm39) A22V probably benign Het
Npy2r T A 3: 82,448,803 (GRCm39) probably null Het
Nr1h4 A T 10: 89,290,634 (GRCm39) S469T possibly damaging Het
Nr4a3 T C 4: 48,055,954 (GRCm39) Y327H probably damaging Het
Or10ag52 A G 2: 87,043,922 (GRCm39) I229V probably benign Het
Or5an1b C T 19: 12,300,102 (GRCm39) V30I probably benign Het
Pramel26 A T 4: 143,538,590 (GRCm39) L127* probably null Het
Prss1l T C 6: 41,373,058 (GRCm39) I110T probably damaging Het
Ptpdc1 G A 13: 48,746,046 (GRCm39) A118V probably damaging Het
Raph1 T C 1: 60,535,445 (GRCm39) Y73C Het
Rtl1 A G 12: 109,558,492 (GRCm39) S1116P possibly damaging Het
Secisbp2 T C 13: 51,819,395 (GRCm39) I325T probably damaging Het
Setd5 T C 6: 113,105,418 (GRCm39) S817P probably benign Het
Sirt6 A G 10: 81,458,344 (GRCm39) L303P probably benign Het
Slc46a2 G T 4: 59,911,858 (GRCm39) F451L probably benign Het
Sorbs1 T A 19: 40,353,449 (GRCm39) I219F probably damaging Het
Tmem178 A G 17: 81,308,273 (GRCm39) I223V possibly damaging Het
Trps1 T G 15: 50,525,132 (GRCm39) T933P probably damaging Het
Trps1 A G 15: 50,753,019 (GRCm39) F16S probably benign Het
Virma T A 4: 11,540,023 (GRCm39) S1447R probably benign Het
Vmn1r230 T C 17: 21,067,119 (GRCm39) Y103H probably damaging Het
Wdfy4 G A 14: 32,826,072 (GRCm39) P1193L Het
Ybx3 T A 6: 131,356,362 (GRCm39) R170* probably null Het
Zfp423 T C 8: 88,506,978 (GRCm39) D1122G probably benign 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
R7852:Masp2 UTSW 4 148,687,189 (GRCm39) missense probably benign 0.00
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'- AGCTGAATGAGTTAGGCCTG -3'
(R):5'- TGCCTGCTCAGTGTCTGTAC -3'

Sequencing Primer
(F):5'- AATGAGTTAGGCCTGGACCCTC -3'
(R):5'- TGGTCCCTGAGCTCAACTGTG -3'
Posted On 2020-09-15