Incidental Mutation 'R1342:Col9a1'
ID 156382
Institutional Source Beutler Lab
Gene Symbol Col9a1
Ensembl Gene ENSMUSG00000026147
Gene Name collagen, type IX, alpha 1
Synonyms Col9a-1
MMRRC Submission 039407-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.121) question?
Stock # R1342 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 24216691-24291765 bp(+) (GRCm39)
Type of Mutation critical splice donor site (1 bp from exon)
DNA Base Change (assembly) G to A at 24262701 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000085687 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000054588] [ENSMUST00000088349]
AlphaFold no structure available at present
Predicted Effect probably null
Transcript: ENSMUST00000054588
SMART Domains Protein: ENSMUSP00000051579
Gene: ENSMUSG00000026147

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 null
Transcript: ENSMUST00000088349
SMART Domains Protein: ENSMUSP00000085687
Gene: ENSMUSG00000026147

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000124600
Meta Mutation Damage Score 0.9491 question?
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.1%
  • 10x: 95.8%
  • 20x: 91.6%
Validation Efficiency 100% (43/43)
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: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Atp10a G T 7: 58,465,894 (GRCm39) probably benign Het
B3gnt9 T C 8: 105,980,956 (GRCm39) E144G probably null Het
Bcl9 G T 3: 97,113,042 (GRCm39) Q1138K possibly damaging Het
C6 T C 15: 4,769,231 (GRCm39) probably benign Het
Ccl4 A G 11: 83,554,402 (GRCm39) probably benign Het
Cdc73 A G 1: 143,578,230 (GRCm39) probably null Het
Cemip A T 7: 83,593,283 (GRCm39) L1140* probably null Het
Chd4 C A 6: 125,074,151 (GRCm39) P8Q probably benign Het
Col27a1 G A 4: 63,175,351 (GRCm39) probably null Het
Colgalt1 C T 8: 72,070,804 (GRCm39) T232I probably damaging Het
Dnah8 A G 17: 30,939,974 (GRCm39) D1640G probably damaging Het
Dot1l T G 10: 80,621,859 (GRCm39) C504G probably benign Het
Gm9892 T C 8: 52,649,458 (GRCm39) T212A probably benign Het
Hjurp G A 1: 88,205,090 (GRCm39) probably benign Het
Ifnar2 A G 16: 91,200,809 (GRCm39) D350G possibly damaging Het
Ift172 T C 5: 31,419,210 (GRCm39) I1144V probably benign Het
Ipo7 A T 7: 109,629,011 (GRCm39) N94Y possibly damaging Het
Irag1 T A 7: 110,487,252 (GRCm39) M699L probably benign Het
Mapkbp1 C A 2: 119,829,015 (GRCm39) A57D possibly damaging Het
Mmd T A 11: 90,167,676 (GRCm39) I235N probably benign Het
Naip2 T C 13: 100,298,362 (GRCm39) E558G probably benign Het
Naip2 C T 13: 100,298,368 (GRCm39) G556D probably benign Het
Palld A G 8: 61,975,916 (GRCm39) probably null Het
Parp4 G A 14: 56,827,854 (GRCm39) E202K probably damaging Het
Pclo C A 5: 14,732,191 (GRCm39) probably benign Het
Pde8a T C 7: 80,952,042 (GRCm39) probably null Het
Pdgfrb T A 18: 61,198,952 (GRCm39) L370* probably null Het
Phf2 A T 13: 48,957,953 (GRCm39) S1020R unknown Het
Pik3r4 T A 9: 105,528,100 (GRCm39) probably null Het
Plxnb1 C A 9: 108,929,720 (GRCm39) P192Q possibly damaging Het
Ppil3 A T 1: 58,480,037 (GRCm39) I46N probably damaging Het
Prr14l A C 5: 32,987,604 (GRCm39) C630W probably damaging Het
Rfx5 A G 3: 94,865,723 (GRCm39) I341V probably benign Het
Ryr3 T C 2: 112,581,148 (GRCm39) K2895E probably damaging Het
Slc5a12 T C 2: 110,447,435 (GRCm39) probably null Het
Slc8a3 T C 12: 81,362,790 (GRCm39) T10A probably damaging Het
Ss18 A G 18: 14,769,595 (GRCm39) Y321H unknown Het
Sspo A G 6: 48,438,569 (GRCm39) N1546D probably benign Het
Thbs4 G A 13: 92,888,925 (GRCm39) L923F probably damaging Het
Ulk1 C T 5: 110,937,223 (GRCm39) R691Q probably benign 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
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
R5144:Col9a1 UTSW 1 24,278,434 (GRCm39) missense probably benign 0.08
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'- CTTAACACGCTTAACAAGGCACGG -3'
(R):5'- AGTCTCATCAGCCATTTTCCACAGC -3'

Sequencing Primer
(F):5'- GCTATGAGGCAGCATCTCTG -3'
(R):5'- CTGGGAAAGAGATTAGCACATGG -3'
Posted On 2014-02-11