Incidental Mutation 'R4743:Comp'
ID 358182
Institutional Source Beutler Lab
Gene Symbol Comp
Ensembl Gene ENSMUSG00000031849
Gene Name cartilage oligomeric matrix protein
Synonyms TSP5, thrombospondin-5
MMRRC Submission 041967-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.291) question?
Stock # R4743 (G1)
Quality Score 225
Status Validated
Chromosome 8
Chromosomal Location 70826208-70834716 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 70828711 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 181 (E181G)
Ref Sequence ENSEMBL: ENSMUSP00000003659 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000003659]
AlphaFold Q9R0G6
PDB Structure Storage function of COMP:the crystal structure of the coiled-coil domain in complex with vitamin D3 [X-RAY DIFFRACTION]
COMPcc in complex with fatty acids [X-RAY DIFFRACTION]
COMPcc in complex with fatty acids [X-RAY DIFFRACTION]
COMPcc in complex with fatty acids [X-RAY DIFFRACTION]
COMPcc in complex with fatty acids [X-RAY DIFFRACTION]
Predicted Effect probably damaging
Transcript: ENSMUST00000003659
AA Change: E181G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000003659
Gene: ENSMUSG00000031849
AA Change: E181G

DomainStartEndE-ValueType
signal peptide 1 21 N/A INTRINSIC
Pfam:COMP 28 72 6.2e-22 PFAM
EGF 88 124 8.19e-2 SMART
EGF_CA 125 177 5.08e-7 SMART
EGF_CA 178 220 1.73e-9 SMART
EGF 226 265 7.53e-1 SMART
Pfam:TSP_3 299 334 6.1e-16 PFAM
Pfam:TSP_3 358 393 1.2e-15 PFAM
Pfam:TSP_3 393 416 2.7e-6 PFAM
Pfam:TSP_3 417 454 1.6e-14 PFAM
Pfam:TSP_3 455 490 3.7e-14 PFAM
Pfam:TSP_3 491 526 6.1e-15 PFAM
Pfam:TSP_C 544 741 2.6e-101 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000212439
Predicted Effect probably benign
Transcript: ENSMUST00000212488
Predicted Effect probably benign
Transcript: ENSMUST00000213072
Meta Mutation Damage Score 0.8625 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.9%
  • 20x: 94.3%
Validation Efficiency 98% (44/45)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is a noncollagenous extracellular matrix (ECM) protein. It consists of five identical glycoprotein subunits, each with EGF-like and calcium-binding (thrombospondin-like) domains. Oligomerization results from formation of a five-stranded coiled coil and disulfides. Binding to other ECM proteins such as collagen appears to depend on divalent cations. Contraction or expansion of a 5 aa aspartate repeat and other mutations can cause pseudochondroplasia (PSACH) and multiple epiphyseal dysplasia (MED). [provided by RefSeq, Jul 2016]
PHENOTYPE: Mice homozygous for a targeted null mutation are indistinguishable from controls. Mice homozygous for a knockin allele with two point mutations exhibit short limb dwarfism, osteoarthritis, abnormal chondrocytes, mild myopathy, and abnormal tendon morphology and stiffness. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933407L21Rik A G 1: 85,858,972 (GRCm39) probably benign Het
Ahcy T C 2: 154,910,888 (GRCm39) N27D probably damaging Het
Akap9 T G 5: 4,011,013 (GRCm39) L572R probably damaging Het
Akna A G 4: 63,296,850 (GRCm39) S909P probably damaging Het
Atr A G 9: 95,744,845 (GRCm39) E54G probably benign Het
Baz2b A G 2: 59,744,255 (GRCm39) S1417P probably benign Het
Colgalt2 A G 1: 152,276,094 (GRCm39) Y69C probably damaging Het
Dcaf10 T A 4: 45,370,409 (GRCm39) S326T probably damaging Het
Dscam T C 16: 96,631,256 (GRCm39) E253G probably benign Het
Dysf C A 6: 84,074,697 (GRCm39) D499E probably damaging Het
Epha1 G T 6: 42,349,155 (GRCm39) T36K probably benign Het
Ewsr1 A T 11: 5,033,541 (GRCm39) D210E unknown Het
Fabp3 C T 4: 130,206,180 (GRCm39) T57I probably benign Het
Fndc1 T A 17: 7,991,111 (GRCm39) R862* probably null Het
Gbp8 T C 5: 105,178,707 (GRCm39) K203E possibly damaging Het
Gigyf2 T A 1: 87,292,970 (GRCm39) L79* probably null Het
Gm8220 T A 14: 44,523,152 (GRCm39) probably benign Het
Gm9755 A T 8: 67,966,929 (GRCm39) noncoding transcript Het
Il6 T C 5: 30,223,042 (GRCm39) Y120H probably damaging Het
Kcnma1 T C 14: 23,853,270 (GRCm39) T2A probably damaging Het
Mroh9 T C 1: 162,852,061 (GRCm39) Y876C probably benign Het
Plekhh2 A G 17: 84,878,548 (GRCm39) Y601C probably damaging Het
Rabgap1l G T 1: 160,281,353 (GRCm39) Q623K probably damaging Het
Rad9a G A 19: 4,250,560 (GRCm39) R85C probably damaging Het
Rapgef2 T C 3: 79,080,375 (GRCm39) Y109C probably damaging Het
Rhox2c A C X: 36,635,351 (GRCm39) Q4H probably benign Het
Rlig1 T C 10: 100,414,243 (GRCm39) I139V probably benign Het
Slain2 T A 5: 73,114,927 (GRCm39) L386* probably null Het
Slc4a7 A G 14: 14,796,073 (GRCm38) probably null Het
Slco1c1 T C 6: 141,510,242 (GRCm39) C582R probably damaging Het
Sulf1 A G 1: 12,906,517 (GRCm39) N520D probably benign Het
Tbc1d7 A G 13: 43,323,325 (GRCm39) V22A probably damaging Het
Tmprss6 A G 15: 78,327,910 (GRCm39) V612A probably damaging Het
Trpv2 A G 11: 62,483,627 (GRCm39) E488G probably benign Het
Ttn T A 2: 76,585,168 (GRCm39) I22042F probably damaging Het
Uspl1 A G 5: 149,146,566 (GRCm39) Y439C probably damaging Het
Vwf A G 6: 125,661,054 (GRCm39) probably null Het
Other mutations in Comp
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01596:Comp APN 8 70,831,285 (GRCm39) missense probably damaging 1.00
IGL02110:Comp APN 8 70,826,289 (GRCm39) missense probably benign 0.08
IGL02721:Comp APN 8 70,828,731 (GRCm39) missense probably damaging 1.00
IGL02812:Comp APN 8 70,829,337 (GRCm39) missense possibly damaging 0.75
IGL03023:Comp APN 8 70,831,260 (GRCm39) unclassified probably benign
BB007:Comp UTSW 8 70,826,503 (GRCm39) missense probably damaging 1.00
BB017:Comp UTSW 8 70,826,503 (GRCm39) missense probably damaging 1.00
IGL03047:Comp UTSW 8 70,827,559 (GRCm39) missense possibly damaging 0.65
R0217:Comp UTSW 8 70,831,558 (GRCm39) missense probably damaging 1.00
R0503:Comp UTSW 8 70,828,384 (GRCm39) missense possibly damaging 0.58
R0659:Comp UTSW 8 70,831,751 (GRCm39) missense possibly damaging 0.84
R1490:Comp UTSW 8 70,826,563 (GRCm39) missense possibly damaging 0.63
R1663:Comp UTSW 8 70,826,250 (GRCm39) missense possibly damaging 0.93
R1666:Comp UTSW 8 70,831,607 (GRCm39) splice site probably null
R1668:Comp UTSW 8 70,831,607 (GRCm39) splice site probably null
R1789:Comp UTSW 8 70,829,796 (GRCm39) missense probably benign 0.01
R2096:Comp UTSW 8 70,828,713 (GRCm39) missense probably damaging 1.00
R2157:Comp UTSW 8 70,832,220 (GRCm39) nonsense probably null
R3836:Comp UTSW 8 70,826,509 (GRCm39) missense probably benign 0.26
R4630:Comp UTSW 8 70,827,032 (GRCm39) missense possibly damaging 0.94
R4747:Comp UTSW 8 70,829,352 (GRCm39) missense probably damaging 1.00
R5028:Comp UTSW 8 70,829,290 (GRCm39) missense probably damaging 0.99
R5070:Comp UTSW 8 70,829,145 (GRCm39) missense probably benign 0.25
R5083:Comp UTSW 8 70,833,950 (GRCm39) missense probably damaging 1.00
R5917:Comp UTSW 8 70,829,011 (GRCm39) splice site probably null
R6705:Comp UTSW 8 70,829,387 (GRCm39) missense probably damaging 0.98
R6965:Comp UTSW 8 70,829,164 (GRCm39) missense probably damaging 1.00
R7309:Comp UTSW 8 70,826,328 (GRCm39) splice site probably null
R7402:Comp UTSW 8 70,829,854 (GRCm39) missense probably benign 0.01
R7501:Comp UTSW 8 70,832,059 (GRCm39) missense possibly damaging 0.82
R7541:Comp UTSW 8 70,834,000 (GRCm39) missense probably damaging 1.00
R7568:Comp UTSW 8 70,826,509 (GRCm39) missense probably benign 0.26
R7930:Comp UTSW 8 70,826,503 (GRCm39) missense probably damaging 1.00
R8103:Comp UTSW 8 70,833,936 (GRCm39) missense probably damaging 1.00
R8259:Comp UTSW 8 70,831,704 (GRCm39) missense probably damaging 1.00
R8271:Comp UTSW 8 70,829,110 (GRCm39) missense probably damaging 1.00
R8677:Comp UTSW 8 70,832,910 (GRCm39) missense probably damaging 1.00
R9273:Comp UTSW 8 70,831,285 (GRCm39) missense probably damaging 1.00
R9355:Comp UTSW 8 70,828,699 (GRCm39) missense probably benign 0.30
R9557:Comp UTSW 8 70,829,854 (GRCm39) missense probably benign 0.01
Z1177:Comp UTSW 8 70,829,871 (GRCm39) missense probably benign 0.06
Predicted Primers PCR Primer
(F):5'- GGACTCTACATTTATGGCAGAAGG -3'
(R):5'- AGTTTGCTTTCTCATGGCACG -3'

Sequencing Primer
(F):5'- CTCTACATTTATGGCAGAAGGGAATG -3'
(R):5'- CTTTCTCATGGCACGGGCTG -3'
Posted On 2015-11-11