Incidental Mutation 'R5144:Col9a1'
ID 395026
Institutional Source Beutler Lab
Gene Symbol Col9a1
Ensembl Gene ENSMUSG00000026147
Gene Name collagen, type IX, alpha 1
Synonyms Col9a-1
MMRRC Submission 042728-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.092) question?
Stock # R5144 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 24216691-24291765 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 24278434 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 821 (I821V)
Ref Sequence ENSEMBL: ENSMUSP00000051579 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000054588] [ENSMUST00000088349]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000054588
AA Change: I821V

PolyPhen 2 Score 0.079 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000051579
Gene: ENSMUSG00000026147
AA Change: I821V

DomainStartEndE-ValueType
signal peptide 1 23 N/A INTRINSIC
TSPN 50 244 5.73e-78 SMART
Pfam:Collagen 266 326 2e-11 PFAM
Pfam:Collagen 308 358 3.5e-9 PFAM
Pfam:Collagen 357 409 1.2e-8 PFAM
Pfam:Collagen 415 472 7.8e-11 PFAM
Pfam:Collagen 454 515 2.9e-11 PFAM
Pfam:Collagen 592 667 3.9e-8 PFAM
Pfam:Collagen 646 716 1.7e-9 PFAM
Pfam:Collagen 697 760 1.6e-10 PFAM
Pfam:Collagen 785 848 3.1e-11 PFAM
low complexity region 878 899 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000088349
AA Change: I580V

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000085687
Gene: ENSMUSG00000026147
AA Change: I580V

DomainStartEndE-ValueType
low complexity region 7 22 N/A INTRINSIC
Pfam:Collagen 24 85 1.5e-11 PFAM
Pfam:Collagen 66 117 2.7e-9 PFAM
Pfam:Collagen 115 168 2.8e-8 PFAM
Pfam:Collagen 174 231 5.5e-11 PFAM
Pfam:Collagen 213 274 1.9e-11 PFAM
low complexity region 353 391 N/A INTRINSIC
Pfam:Collagen 405 479 1.3e-9 PFAM
Pfam:Collagen 456 519 1e-10 PFAM
Pfam:Collagen 544 607 2.4e-11 PFAM
low complexity region 637 658 N/A INTRINSIC
Meta Mutation Damage Score 0.0623 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.9%
  • 20x: 94.1%
Validation Efficiency 96% (47/49)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes one of the three alpha chains of type IX collagen, which is a minor (5-20%) collagen component of hyaline cartilage. Type IX collagen is usually found in tissues containing type II collagen, a fibrillar collagen. Studies in knockout mice have shown that synthesis of the alpha 1 chain is essential for assembly of type IX collagen molecules, a heterotrimeric molecule, and that lack of type IX collagen is associated with early onset osteoarthritis. Mutations in this gene are associated with osteoarthritis in humans, with multiple epiphyseal dysplasia, 6, a form of chondrodysplasia, and with Stickler syndrome, a disease characterized by ophthalmic, orofacial, articular, and auditory defects. Two transcript variants that encode different isoforms have been identified for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygotes for a targeted mutation show no conspicuous skeletal abnormalities at birth but develop early-onset degenerative joint disease resembling osteoarthritis as well as progressive hearing loss; restoration and remodeling of trabecular bone is perturbed with minimal effects on cortical bone. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933409G03Rik T A 2: 68,446,604 (GRCm39) probably benign Het
Arpc2 A T 1: 74,287,367 (GRCm39) K62N probably damaging Het
B4galt5 C T 2: 167,148,516 (GRCm39) E201K possibly damaging Het
Bub1b C T 2: 118,445,980 (GRCm39) T334M possibly damaging Het
Ccdc71 T C 9: 108,341,051 (GRCm39) V288A probably benign Het
Cep350 G A 1: 155,786,896 (GRCm39) R1444W probably damaging Het
Chrna4 A G 2: 180,666,623 (GRCm39) L605P probably damaging Het
Col6a5 T A 9: 105,766,482 (GRCm39) I1813F probably damaging Het
D430041D05Rik T C 2: 104,088,847 (GRCm39) D43G probably damaging Het
Depdc7 T C 2: 104,560,598 (GRCm39) Y132C probably damaging Het
Dppa2 T C 16: 48,137,666 (GRCm39) V216A probably damaging Het
Ect2l A T 10: 18,020,325 (GRCm39) N598K probably benign Het
Eif3c T C 7: 126,162,238 (GRCm39) T195A probably benign Het
Epg5 T C 18: 78,058,895 (GRCm39) V1883A probably damaging Het
Ino80c T A 18: 24,241,935 (GRCm39) D150V probably benign Het
Kcnb1 T A 2: 166,947,864 (GRCm39) Y328F probably damaging Het
Kcnj3 G A 2: 55,337,059 (GRCm39) probably null Het
Ncor1 T G 11: 62,240,290 (GRCm39) S894R probably damaging Het
Nlgn3 G A X: 100,361,891 (GRCm39) V287I probably benign Het
Nod2 T C 8: 89,379,694 (GRCm39) V72A probably damaging Het
Nudt19 T C 7: 35,254,650 (GRCm39) T194A probably benign Het
Or1j4 A T 2: 36,740,156 (GRCm39) T33S probably benign Het
Or8b53 C T 9: 38,667,689 (GRCm39) S235L possibly damaging Het
Pappa2 T A 1: 158,784,703 (GRCm39) R102S probably benign Het
Pik3c2a T C 7: 115,950,021 (GRCm39) N1332S probably benign Het
Plppr1 T A 4: 49,319,800 (GRCm39) V142E possibly damaging Het
Prdm6 C A 18: 53,598,110 (GRCm39) probably benign Het
Prm2 T A 16: 10,609,732 (GRCm39) probably benign Het
Prmt3 T C 7: 49,435,883 (GRCm39) S155P possibly damaging Het
Rars2 T C 4: 34,656,793 (GRCm39) Y481H probably benign Het
Rgs2 G A 1: 143,877,437 (GRCm39) T206M probably benign Het
Slc2a8 C T 2: 32,871,785 (GRCm39) R56H probably damaging Het
Spmip11 C A 15: 98,483,148 (GRCm39) probably null Het
Stk35 T A 2: 129,652,855 (GRCm39) M452K probably damaging Het
Tcf3 G A 10: 80,251,071 (GRCm39) H454Y probably damaging Het
Tgm3 C T 2: 129,890,202 (GRCm39) S655F possibly damaging Het
Tssc4 T G 7: 142,623,770 (GRCm39) L26R probably damaging Het
Utp11 A T 4: 124,572,695 (GRCm39) probably benign Het
Vmn1r237 C G 17: 21,534,688 (GRCm39) A137G possibly damaging Het
Vmn2r129 G T 4: 156,686,692 (GRCm39) noncoding transcript Het
Vps8 T C 16: 21,378,103 (GRCm39) L1038P probably damaging Het
Wipf3 C T 6: 54,462,660 (GRCm39) A290V probably damaging Het
Zdhhc25 T G 15: 88,485,259 (GRCm39) L198R probably damaging Het
Zdhhc6 A T 19: 55,302,998 (GRCm39) M1K probably null Het
Other mutations in Col9a1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00233:Col9a1 APN 1 24,224,306 (GRCm39) missense unknown
IGL00517:Col9a1 APN 1 24,234,615 (GRCm39) intron probably benign
IGL01125:Col9a1 APN 1 24,263,726 (GRCm39) critical splice acceptor site probably null
IGL01505:Col9a1 APN 1 24,224,205 (GRCm39) missense unknown
IGL01583:Col9a1 APN 1 24,224,225 (GRCm39) missense unknown
IGL01627:Col9a1 APN 1 24,218,689 (GRCm39) critical splice donor site probably null
IGL01773:Col9a1 APN 1 24,244,147 (GRCm39) missense probably benign 0.17
IGL02117:Col9a1 APN 1 24,276,574 (GRCm39) nonsense probably null
IGL02192:Col9a1 APN 1 24,261,068 (GRCm39) missense probably damaging 1.00
IGL02346:Col9a1 APN 1 24,262,690 (GRCm39) missense probably damaging 0.96
IGL02383:Col9a1 APN 1 24,224,339 (GRCm39) missense unknown
IGL02453:Col9a1 APN 1 24,218,438 (GRCm39) missense unknown
IGL02553:Col9a1 APN 1 24,261,018 (GRCm39) splice site probably benign
IGL03412:Col9a1 APN 1 24,249,508 (GRCm39) critical splice donor site probably null
IGL03493:Col9a1 APN 1 24,260,651 (GRCm39) splice site probably benign
ANU74:Col9a1 UTSW 1 24,224,409 (GRCm39) missense unknown
R0076:Col9a1 UTSW 1 24,276,578 (GRCm39) critical splice donor site probably null
R0076:Col9a1 UTSW 1 24,276,578 (GRCm39) critical splice donor site probably null
R0090:Col9a1 UTSW 1 24,262,643 (GRCm39) splice site probably null
R0356:Col9a1 UTSW 1 24,224,328 (GRCm39) nonsense probably null
R0562:Col9a1 UTSW 1 24,218,360 (GRCm39) splice site probably null
R0584:Col9a1 UTSW 1 24,263,571 (GRCm39) splice site probably benign
R0708:Col9a1 UTSW 1 24,276,342 (GRCm39) missense possibly damaging 0.92
R1342:Col9a1 UTSW 1 24,262,701 (GRCm39) critical splice donor site probably null
R1445:Col9a1 UTSW 1 24,276,579 (GRCm39) critical splice donor site probably null
R1791:Col9a1 UTSW 1 24,224,386 (GRCm39) missense unknown
R1938:Col9a1 UTSW 1 24,261,554 (GRCm39) missense probably damaging 1.00
R2214:Col9a1 UTSW 1 24,247,283 (GRCm39) missense probably damaging 1.00
R2240:Col9a1 UTSW 1 24,218,582 (GRCm39) missense unknown
R3757:Col9a1 UTSW 1 24,271,312 (GRCm39) critical splice donor site probably null
R3891:Col9a1 UTSW 1 24,224,517 (GRCm39) critical splice donor site probably null
R4249:Col9a1 UTSW 1 24,283,462 (GRCm39) missense probably damaging 1.00
R4690:Col9a1 UTSW 1 24,263,787 (GRCm39) splice site probably null
R4918:Col9a1 UTSW 1 24,276,339 (GRCm39) missense possibly damaging 0.74
R4988:Col9a1 UTSW 1 24,224,273 (GRCm39) missense unknown
R5327:Col9a1 UTSW 1 24,234,620 (GRCm39) critical splice donor site probably null
R5511:Col9a1 UTSW 1 24,218,619 (GRCm39) missense unknown
R5519:Col9a1 UTSW 1 24,269,335 (GRCm39) splice site probably null
R5564:Col9a1 UTSW 1 24,234,436 (GRCm39) start gained probably benign
R6076:Col9a1 UTSW 1 24,234,457 (GRCm39) start gained probably benign
R6478:Col9a1 UTSW 1 24,224,486 (GRCm39) missense unknown
R6886:Col9a1 UTSW 1 24,224,426 (GRCm39) missense unknown
R7177:Col9a1 UTSW 1 24,234,498 (GRCm39) missense unknown
R7259:Col9a1 UTSW 1 24,224,424 (GRCm39) missense unknown
R7268:Col9a1 UTSW 1 24,246,479 (GRCm39) missense possibly damaging 0.89
R7347:Col9a1 UTSW 1 24,218,484 (GRCm39) splice site probably null
R7644:Col9a1 UTSW 1 24,224,243 (GRCm39) missense unknown
R7860:Col9a1 UTSW 1 24,276,261 (GRCm39) missense probably damaging 1.00
R8267:Col9a1 UTSW 1 24,224,267 (GRCm39) missense unknown
R8296:Col9a1 UTSW 1 24,217,380 (GRCm39) missense unknown
R8737:Col9a1 UTSW 1 24,224,127 (GRCm39) missense unknown
R8773:Col9a1 UTSW 1 24,224,208 (GRCm39) missense unknown
R8795:Col9a1 UTSW 1 24,233,812 (GRCm39) missense unknown
R8878:Col9a1 UTSW 1 24,236,048 (GRCm39) critical splice donor site probably null
R8956:Col9a1 UTSW 1 24,276,300 (GRCm39) missense probably damaging 1.00
R8978:Col9a1 UTSW 1 24,278,396 (GRCm39) missense probably damaging 1.00
R9096:Col9a1 UTSW 1 24,224,207 (GRCm39) missense unknown
R9097:Col9a1 UTSW 1 24,224,207 (GRCm39) missense unknown
R9205:Col9a1 UTSW 1 24,224,175 (GRCm39) missense unknown
R9534:Col9a1 UTSW 1 24,224,250 (GRCm39) missense unknown
Z1176:Col9a1 UTSW 1 24,253,669 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AAGCCAATGTTGTGATGGTGAC -3'
(R):5'- CTTGTACCTGGCAAAATAGCTTAC -3'

Sequencing Primer
(F):5'- AGCCAATGTTGTGATGGTGACTTATG -3'
(R):5'- ATACGCTGTTGTGAAAGGCC -3'
Posted On 2016-06-21