Incidental Mutation 'R2935:Cd55'
ID 254987
Institutional Source Beutler Lab
Gene Symbol Cd55
Ensembl Gene ENSMUSG00000026399
Gene Name CD55 molecule, decay accelerating factor for complement
Synonyms Daf-GPI, GPI-DAF, Cromer blood group, Daf1, complement-glycosylphosphatidylinositol
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R2935 (G1)
Quality Score 225
Status Not validated
Chromosome 1
Chromosomal Location 130366764-130390481 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 130380163 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 272 (S272P)
Ref Sequence ENSEMBL: ENSMUSP00000027650 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027650]
AlphaFold Q61475
Predicted Effect possibly damaging
Transcript: ENSMUST00000027650
AA Change: S272P

PolyPhen 2 Score 0.652 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000027650
Gene: ENSMUSG00000026399
AA Change: S272P

DomainStartEndE-ValueType
low complexity region 11 30 N/A INTRINSIC
CCP 36 94 2.21e-12 SMART
CCP 98 158 3.56e-7 SMART
CCP 163 220 6.34e-13 SMART
CCP 225 284 1.28e-17 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000122830
Predicted Effect probably benign
Transcript: ENSMUST00000140400
Predicted Effect noncoding transcript
Transcript: ENSMUST00000140725
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 94.5%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes an inhibitor of both the classical and the alternative pathways of complement activation. The encoded preproprotein undergoes post-translational processing to generate a mature polypeptide anchored to the plasma membrane via a glycosylphosphatidylinositol moiety. Erythrocytes from mice deficient in the encoded protein exhibit impaired regulation of complement activation resulting in enhanced complement deposition. Mice lacking the encoded protein exhibit enhanced susceptibility to experimentally induced myasthenia gravis. This gene is located adjacent to a closely related gene on chromosome 1. [provided by RefSeq, Nov 2015]
PHENOTYPE: Homozygous mutant mice show increased susceptibility to injury following ethanol exposure, to experimental autoimmune myasthenia gravis and to acute nephrotoxic nephritis. Another allele results in an abnormal complement cascade leading to increased C3 deposition. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 22 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca17 G C 17: 24,508,481 (GRCm39) T1018R probably damaging Het
Adgrl1 T C 8: 84,661,189 (GRCm39) I894T probably damaging Het
Chek2 T C 5: 111,015,886 (GRCm39) V467A probably damaging Het
Cyp11a1 A G 9: 57,923,673 (GRCm39) Y126C probably damaging Het
Ddx39a T A 8: 84,447,587 (GRCm39) V144D possibly damaging Het
Fbxl19 G A 7: 127,351,432 (GRCm39) R304H probably damaging Het
Ide A G 19: 37,302,706 (GRCm39) F135L unknown Het
Khdc3 T C 9: 73,010,987 (GRCm39) V255A possibly damaging Het
Klk1b22 A G 7: 43,764,146 (GRCm39) I25V probably benign Het
Magi2 A AG 5: 20,807,459 (GRCm39) probably null Het
Mark2 T C 19: 7,263,254 (GRCm39) N204S probably benign Het
Or1l4b A G 2: 37,037,123 (GRCm39) K300E possibly damaging Het
Or4c123 A T 2: 89,127,604 (GRCm39) N3K possibly damaging Het
Osbpl8 T A 10: 111,105,297 (GRCm39) S251T probably benign Het
Piezo2 A G 18: 63,279,914 (GRCm39) I219T probably damaging Het
Rap1gap T C 4: 137,452,042 (GRCm39) S521P probably benign Het
Rxrb CGCGGCGGCGGCGGCGGCGGC CGCGGCGGCGGCGGCGGC 17: 34,251,106 (GRCm39) probably benign Het
Smchd1 G A 17: 71,718,900 (GRCm39) P823L probably damaging Het
Sncaip A G 18: 52,971,104 (GRCm39) D8G probably damaging Het
Stau1 G A 2: 166,797,037 (GRCm39) T120I probably benign Het
Stxbp5l G T 16: 36,954,551 (GRCm39) H920N possibly damaging Het
Thsd7b A G 1: 129,605,824 (GRCm39) T522A possibly damaging Het
Other mutations in Cd55
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00809:Cd55 APN 1 130,380,248 (GRCm39) nonsense probably null
IGL02207:Cd55 APN 1 130,380,156 (GRCm39) missense possibly damaging 0.46
IGL02724:Cd55 APN 1 130,377,149 (GRCm39) splice site probably benign
IGL02933:Cd55 APN 1 130,380,261 (GRCm39) missense probably damaging 1.00
IGL02955:Cd55 APN 1 130,377,219 (GRCm39) missense probably damaging 0.98
IGL03198:Cd55 APN 1 130,368,108 (GRCm39) missense probably benign 0.03
PIT4618001:Cd55 UTSW 1 130,384,606 (GRCm39) missense probably benign
R0055:Cd55 UTSW 1 130,387,313 (GRCm39) splice site probably benign
R0411:Cd55 UTSW 1 130,390,294 (GRCm39) splice site probably benign
R0426:Cd55 UTSW 1 130,376,109 (GRCm39) missense probably benign 0.07
R1488:Cd55 UTSW 1 130,376,115 (GRCm39) missense probably damaging 0.98
R1728:Cd55 UTSW 1 130,387,370 (GRCm39) missense probably benign
R1728:Cd55 UTSW 1 130,377,160 (GRCm39) missense probably benign 0.32
R1729:Cd55 UTSW 1 130,387,370 (GRCm39) missense probably benign
R1729:Cd55 UTSW 1 130,377,160 (GRCm39) missense probably benign 0.32
R1730:Cd55 UTSW 1 130,387,370 (GRCm39) missense probably benign
R1730:Cd55 UTSW 1 130,377,160 (GRCm39) missense probably benign 0.32
R1739:Cd55 UTSW 1 130,387,370 (GRCm39) missense probably benign
R1739:Cd55 UTSW 1 130,377,160 (GRCm39) missense probably benign 0.32
R1762:Cd55 UTSW 1 130,387,370 (GRCm39) missense probably benign
R1762:Cd55 UTSW 1 130,377,160 (GRCm39) missense probably benign 0.32
R1783:Cd55 UTSW 1 130,387,370 (GRCm39) missense probably benign
R1783:Cd55 UTSW 1 130,377,160 (GRCm39) missense probably benign 0.32
R1784:Cd55 UTSW 1 130,387,370 (GRCm39) missense probably benign
R1784:Cd55 UTSW 1 130,377,160 (GRCm39) missense probably benign 0.32
R1785:Cd55 UTSW 1 130,387,370 (GRCm39) missense probably benign
R1785:Cd55 UTSW 1 130,377,160 (GRCm39) missense probably benign 0.32
R1835:Cd55 UTSW 1 130,375,346 (GRCm39) splice site probably benign
R2049:Cd55 UTSW 1 130,377,160 (GRCm39) missense probably benign 0.32
R2122:Cd55 UTSW 1 130,387,354 (GRCm39) missense possibly damaging 0.94
R2141:Cd55 UTSW 1 130,377,160 (GRCm39) missense probably benign 0.32
R2142:Cd55 UTSW 1 130,377,160 (GRCm39) missense probably benign 0.32
R4326:Cd55 UTSW 1 130,380,220 (GRCm39) missense probably damaging 1.00
R4328:Cd55 UTSW 1 130,380,220 (GRCm39) missense probably damaging 1.00
R4328:Cd55 UTSW 1 130,375,104 (GRCm39) intron probably benign
R4329:Cd55 UTSW 1 130,380,220 (GRCm39) missense probably damaging 1.00
R5051:Cd55 UTSW 1 130,376,085 (GRCm39) missense probably damaging 0.99
R6467:Cd55 UTSW 1 130,375,348 (GRCm39) splice site probably benign
R7219:Cd55 UTSW 1 130,390,343 (GRCm39) missense possibly damaging 0.73
R8010:Cd55 UTSW 1 130,387,353 (GRCm39) missense probably benign 0.00
R8695:Cd55 UTSW 1 130,380,273 (GRCm39) missense probably benign 0.00
R8882:Cd55 UTSW 1 130,387,501 (GRCm39) missense probably benign 0.02
R9369:Cd55 UTSW 1 130,375,187 (GRCm39) nonsense probably null
R9411:Cd55 UTSW 1 130,368,114 (GRCm39) missense probably benign 0.03
Z1088:Cd55 UTSW 1 130,380,216 (GRCm39) missense probably benign 0.01
Predicted Primers PCR Primer
(F):5'- TGGTCTCAGAGAGTACATGGTG -3'
(R):5'- GCTGAGCTCAGAAAGATGATTG -3'

Sequencing Primer
(F):5'- CCTCCTGAGTACTGGGATTAAAGGC -3'
(R):5'- GAGGGGAAAGTGACTCTT -3'
Posted On 2014-12-29