Incidental Mutation 'R5028:Comp'
ID 391512
Institutional Source Beutler Lab
Gene Symbol Comp
Ensembl Gene ENSMUSG00000031849
Gene Name cartilage oligomeric matrix protein
Synonyms TSP5, thrombospondin-5
MMRRC Submission 042619-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.291) question?
Stock # R5028 (G1)
Quality Score 225
Status Validated
Chromosome 8
Chromosomal Location 70826208-70834716 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to C at 70829290 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Threonine at position 289 (N289T)
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: N289T

PolyPhen 2 Score 0.986 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000003659
Gene: ENSMUSG00000031849
AA Change: N289T

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 0.1583 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.4%
  • 10x: 96.5%
  • 20x: 93.1%
Validation Efficiency 97% (62/64)
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: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb11 T A 2: 69,104,356 (GRCm39) S777C probably damaging Het
Ano5 T A 7: 51,187,458 (GRCm39) probably null Het
Arhgap17 T A 7: 122,893,896 (GRCm39) H508L probably benign Het
Arhgap29 T A 3: 121,803,709 (GRCm39) probably null Het
Atp12a T C 14: 56,624,435 (GRCm39) F961S probably damaging Het
B4galnt4 C A 7: 140,647,975 (GRCm39) P497Q probably benign Het
Camsap1 A G 2: 25,834,568 (GRCm39) S364P probably damaging Het
Ccdc150 C A 1: 54,302,636 (GRCm39) D85E probably benign Het
Cdc45 A G 16: 18,613,930 (GRCm39) Y291H probably benign Het
Cops3 T A 11: 59,708,856 (GRCm39) probably benign Het
Crybg1 G A 10: 43,874,208 (GRCm39) H967Y possibly damaging Het
Csmd1 A T 8: 16,039,090 (GRCm39) F2423I probably damaging Het
Dact1 C A 12: 71,365,347 (GRCm39) C709* probably null Het
Dcxr T G 11: 120,617,273 (GRCm39) Q90P probably damaging Het
Ell A G 8: 71,043,349 (GRCm39) Y494C probably damaging Het
Emilin2 T C 17: 71,581,727 (GRCm39) E333G possibly damaging Het
Eml2 T C 7: 18,913,372 (GRCm39) probably null Het
Fam186b T A 15: 99,178,682 (GRCm39) M215L probably damaging Het
Gm17078 T A 14: 51,848,699 (GRCm39) R13W probably null Het
Gm4787 G C 12: 81,424,604 (GRCm39) T518S probably benign Het
Hspa14 A G 2: 3,499,206 (GRCm39) F196S possibly damaging Het
Ier5 A G 1: 154,974,849 (GRCm39) S110P possibly damaging Het
Kif1a T A 1: 92,982,049 (GRCm39) I793F possibly damaging Het
Lrrc43 T C 5: 123,646,176 (GRCm39) I643T probably damaging Het
Map3k19 A T 1: 127,750,969 (GRCm39) L794Q probably benign Het
Meox2 A T 12: 37,158,935 (GRCm39) M36L probably benign Het
Mgat5b T A 11: 116,875,855 (GRCm39) L693Q probably damaging Het
Mup4 T A 4: 59,958,124 (GRCm39) E148V possibly damaging Het
Napb T C 2: 148,545,057 (GRCm39) N162S possibly damaging Het
Nlgn2 T C 11: 69,718,563 (GRCm39) D339G probably benign Het
Nucks1 C T 1: 131,855,840 (GRCm39) R90C possibly damaging Het
Or11g7 T C 14: 50,691,196 (GRCm39) V229A probably damaging Het
Or5an9 T A 19: 12,187,518 (GRCm39) V196E possibly damaging Het
Plekhd1 A T 12: 80,739,723 (GRCm39) D24V probably damaging Het
Prpf4b C T 13: 35,083,958 (GRCm39) P909L probably damaging Het
Rasgrp1 T A 2: 117,132,485 (GRCm39) K116* probably null Het
Ror1 A G 4: 100,269,133 (GRCm39) T324A possibly damaging Het
Slc24a4 G A 12: 102,230,629 (GRCm39) G505R probably damaging Het
Slc8a1 A G 17: 81,956,702 (GRCm39) I112T possibly damaging Het
Smarcc2 A G 10: 128,297,314 (GRCm39) S69G probably damaging Het
Smc2 A T 4: 52,458,447 (GRCm39) E429D probably damaging Het
Sry T C Y: 2,663,312 (GRCm39) D116G probably damaging Het
Tcea3 T A 4: 135,985,246 (GRCm39) V154E possibly damaging Het
Tigd2 G A 6: 59,188,205 (GRCm39) W357* probably null Het
Tmem177 T A 1: 119,838,419 (GRCm39) T87S probably benign Het
Treh A T 9: 44,594,186 (GRCm39) E144V probably null Het
Trpm6 T A 19: 18,764,124 (GRCm39) D243E probably damaging Het
Ttn T C 2: 76,608,394 (GRCm39) D17843G probably damaging Het
Vars2 A C 17: 35,970,365 (GRCm39) probably null Het
Vmn1r201 G A 13: 22,659,530 (GRCm39) W248* probably null Het
Yap1 T C 9: 8,001,690 (GRCm39) T99A probably benign Het
Zbtb8b C A 4: 129,326,793 (GRCm39) C91F probably damaging Het
Zfp882 A G 8: 72,668,498 (GRCm39) T442A possibly damaging Het
Zxdc G T 6: 90,359,320 (GRCm39) G651C probably benign 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
R4743:Comp UTSW 8 70,828,711 (GRCm39) missense probably damaging 1.00
R4747:Comp UTSW 8 70,829,352 (GRCm39) missense probably damaging 1.00
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'- GCCATGAGAAAGCAAACTGC -3'
(R):5'- AAGAAGGTCTGGTCCCTCTG -3'

Sequencing Primer
(F):5'- TCCGGCGTACGTGGACATTTC -3'
(R):5'- CCTCTGCTGGAAGCTAGATAACTAG -3'
Posted On 2016-06-06