Incidental Mutation 'R7568:Comp'
ID 585584
Institutional Source Beutler Lab
Gene Symbol Comp
Ensembl Gene ENSMUSG00000031849
Gene Name cartilage oligomeric matrix protein
Synonyms TSP5, thrombospondin-5
MMRRC Submission 045630-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.291) question?
Stock # R7568 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 70826208-70834716 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 70826509 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 28 (D28G)
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 benign
Transcript: ENSMUST00000003659
AA Change: D28G

PolyPhen 2 Score 0.262 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000003659
Gene: ENSMUSG00000031849
AA Change: D28G

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: ENSMUST00000213072
Meta Mutation Damage Score 0.1169 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.9%
Validation Efficiency
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: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actbl2 T A 13: 111,391,956 (GRCm39) V97E possibly damaging Het
Actl7a A T 4: 56,744,498 (GRCm39) T342S probably damaging Het
Alcam A G 16: 52,088,749 (GRCm39) S554P probably damaging Het
Ano3 T C 2: 110,780,638 (GRCm39) probably benign Het
Atad2b T A 12: 5,060,390 (GRCm39) probably null Het
Baz2a T C 10: 127,961,139 (GRCm39) S1621P possibly damaging Het
BC028528 CTCACTGGTTCTGTGGTCACTGGTTCTGTGGTCACTGGTTCTGTGGTCACTGGTT CTCACTGGTTCTGTGGTCACTGGTTCTGTGGTCACTGGTTCTGTGGTCACTGGTTCTGTGGTCACTGGTT 3: 95,795,448 (GRCm39) probably benign Het
BC028528 GGTTCTGTGGTCACT GGTTCTGTGGTCACTAGTTCTGTGGTCACT 3: 95,795,484 (GRCm39) probably benign Het
BC028528 GTCACTGGTTCTGTGGTCACTGGTTCTGTG GTCACTGGTTCTGTGATCACTGGTTCTGTGGTCACTGGTTCTGTG 3: 95,795,463 (GRCm39) probably benign Het
Best1 T A 19: 9,966,639 (GRCm39) probably null Het
Catip G T 1: 74,408,089 (GRCm39) E474* probably null Het
Crebbp G A 16: 3,944,353 (GRCm39) R600W probably benign Het
Cyfip1 A G 7: 55,521,997 (GRCm39) probably null Het
Ddr1 A G 17: 35,995,174 (GRCm39) S675P probably damaging Het
Dhtkd1 A T 2: 5,926,898 (GRCm39) probably null Het
F2rl1 G A 13: 95,650,522 (GRCm39) A120V probably damaging Het
Fam136a A G 6: 86,342,784 (GRCm39) N24D probably benign Het
Fbxw10 C A 11: 62,765,994 (GRCm39) Q755K probably benign Het
Fbxw16 C A 9: 109,268,657 (GRCm39) Q244H possibly damaging Het
Gabrg2 T C 11: 41,807,119 (GRCm39) K373E probably benign Het
Herc3 G A 6: 58,820,795 (GRCm39) V60I probably benign Het
Igkv19-93 T A 6: 68,713,477 (GRCm39) K51* probably null Het
Krt23 T A 11: 99,383,626 (GRCm39) K89* probably null Het
Mavs A G 2: 131,087,395 (GRCm39) T298A probably benign Het
Mlec T C 5: 115,288,181 (GRCm39) Y198C probably damaging Het
Ncam2 C A 16: 81,386,689 (GRCm39) N689K probably benign Het
Nfkbia A G 12: 55,538,546 (GRCm39) I82T probably damaging Het
Or12d14-ps1 A G 17: 37,673,496 (GRCm39) I163V probably benign Het
Or12j2 A G 7: 139,915,895 (GRCm39) N40S probably damaging Het
Or7a35 A T 10: 78,853,341 (GRCm39) I62F probably benign Het
Or8b43 A G 9: 38,360,942 (GRCm39) Y258C probably damaging Het
Pom121l2 A T 13: 22,166,796 (GRCm39) I356F probably benign Het
Ppip5k1 A T 2: 121,168,096 (GRCm39) L719Q probably damaging Het
Satb1 A T 17: 52,089,752 (GRCm39) V365D possibly damaging Het
Scrn2 T C 11: 96,921,712 (GRCm39) Y61H probably damaging Het
Siglec1 C T 2: 130,914,602 (GRCm39) V1505M probably damaging Het
Slc2a10 A G 2: 165,356,802 (GRCm39) N154S probably damaging Het
Slc39a10 A T 1: 46,874,290 (GRCm39) H337Q probably benign Het
Slc39a12 T A 2: 14,404,939 (GRCm39) probably null Het
Slc6a6 T G 6: 91,701,832 (GRCm39) L80R probably damaging Het
Slit1 T C 19: 41,590,074 (GRCm39) Y1404C probably damaging Het
Sowahc A G 10: 59,059,121 (GRCm39) E419G probably damaging Het
Ssh1 T C 5: 114,095,441 (GRCm39) probably null Het
Stab1 C A 14: 30,874,552 (GRCm39) C952F probably damaging Het
Stat5a T C 11: 100,765,850 (GRCm39) M312T possibly damaging Het
Tex2 A G 11: 106,439,562 (GRCm39) I606T unknown Het
Tex55 T C 16: 38,648,809 (GRCm39) E100G possibly damaging Het
Vmn1r19 A G 6: 57,381,813 (GRCm39) H122R possibly damaging Het
Zfp959 A G 17: 56,204,886 (GRCm39) I308V 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
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
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'- TGGGTAAAGCCGCTTAGTAG -3'
(R):5'- TCACTGCGATGTGCCTTCTG -3'

Sequencing Primer
(F):5'- CATGGTTGGACAGGAGGCC -3'
(R):5'- GCACCTGTTCTGCCCCG -3'
Posted On 2019-10-17