Incidental Mutation 'P0005:Col6a1'
ID 7595
Institutional Source Beutler Lab
Gene Symbol Col6a1
Ensembl Gene ENSMUSG00000001119
Gene Name collagen, type VI, alpha 1
Synonyms Col6a-1
MMRRC Submission 038262-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.281) question?
Stock # P0005 (G1)
Quality Score
Status Validated
Chromosome 10
Chromosomal Location 76544626-76561878 bp(-) (GRCm39)
Type of Mutation splice site
DNA Base Change (assembly) A to G at 76553163 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000001147 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000001147]
AlphaFold Q04857
Predicted Effect probably benign
Transcript: ENSMUST00000001147
SMART Domains Protein: ENSMUSP00000001147
Gene: ENSMUSG00000001119

DomainStartEndE-ValueType
signal peptide 1 19 N/A INTRINSIC
VWA 34 232 9.55e-29 SMART
Pfam:Collagen 252 312 5.6e-11 PFAM
Pfam:Collagen 292 367 2e-9 PFAM
Pfam:Collagen 345 423 3.6e-8 PFAM
Pfam:Collagen 448 515 1.1e-8 PFAM
Pfam:Collagen 499 563 1.9e-9 PFAM
low complexity region 571 590 N/A INTRINSIC
VWA 612 798 8.57e-31 SMART
VWA 824 1005 2.6e-30 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000137599
Coding Region Coverage
  • 1x: 85.5%
  • 3x: 80.5%
  • 10x: 66.1%
  • 20x: 49.6%
Validation Efficiency 95% (104/109)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The collagens are a superfamily of proteins that play a role in maintaining the integrity of various tissues. Collagens are extracellular matrix proteins and have a triple-helical domain as their common structural element. Collagen VI is a major structural component of microfibrils. The basic structural unit of collagen VI is a heterotrimer of the alpha1(VI), alpha2(VI), and alpha3(VI) chains. The alpha2(VI) and alpha3(VI) chains are encoded by the COL6A2 and COL6A3 genes, respectively. The protein encoded by this gene is the alpha 1 subunit of type VI collagen (alpha1(VI) chain). Mutations in the genes that code for the collagen VI subunits result in the autosomal dominant disorder, Bethlem myopathy. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for this targeted mutation display a myopathic disorder that resembles human Bethlem myopathy. Loss of contractile strength in affected muscles is associated with an unexpected latent mitochondrial dysfunction in myofibers, as well as spontaneous apoptosis. [provided by MGI curators]
Allele List at MGI

All alleles(5) : Targeted(5)

Other mutations in this stock
Total: 20 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Atp13a1 T C 8: 70,256,397 (GRCm39) V845A possibly damaging Het
Casp6 T C 3: 129,705,792 (GRCm39) V153A probably benign Het
Dars2 A G 1: 160,881,509 (GRCm39) probably null Het
Hmgcll1 T A 9: 75,982,041 (GRCm39) M162K possibly damaging Het
Hydin A T 8: 111,220,921 (GRCm39) probably null Het
Ift74 A G 4: 94,550,813 (GRCm39) probably benign Het
Itpr1 A T 6: 108,358,218 (GRCm39) I595F probably damaging Het
Mgat4f T A 1: 134,315,646 (GRCm39) M15K probably benign Het
Mmp17 T C 5: 129,673,695 (GRCm39) V258A probably benign Het
Nek6 T C 2: 38,459,749 (GRCm39) probably null Het
Nomo1 A T 7: 45,686,981 (GRCm39) probably null Het
Nudt3 A G 17: 27,815,689 (GRCm39) probably benign Het
Pramel32 A G 4: 88,546,187 (GRCm39) L385P probably damaging Het
Prkg2 A C 5: 99,117,806 (GRCm39) F512V probably damaging Het
Ptp4a3 T A 15: 73,627,160 (GRCm39) D72E possibly damaging Het
Rpgrip1l A T 8: 92,025,853 (GRCm39) probably benign Het
Rrp9 G A 9: 106,358,376 (GRCm39) R101H probably benign Het
Slc7a6os T C 8: 106,931,154 (GRCm39) I161V probably benign Het
Tex15 T C 8: 34,060,896 (GRCm39) F109L probably benign Het
Tns2 A G 15: 102,022,491 (GRCm39) Q1188R probably damaging Het
Other mutations in Col6a1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01327:Col6a1 APN 10 76,546,813 (GRCm39) missense unknown
IGL01943:Col6a1 APN 10 76,554,957 (GRCm39) critical splice donor site probably null
IGL02178:Col6a1 APN 10 76,546,909 (GRCm39) missense unknown
IGL02928:Col6a1 APN 10 76,545,500 (GRCm39) missense possibly damaging 0.93
IGL03162:Col6a1 APN 10 76,553,885 (GRCm39) splice site probably benign
R0398:Col6a1 UTSW 10 76,545,952 (GRCm39) missense unknown
R0631:Col6a1 UTSW 10 76,545,569 (GRCm39) missense probably benign 0.03
R0698:Col6a1 UTSW 10 76,552,114 (GRCm39) missense unknown
R0699:Col6a1 UTSW 10 76,552,114 (GRCm39) missense unknown
R0848:Col6a1 UTSW 10 76,549,458 (GRCm39) critical splice donor site probably null
R1053:Col6a1 UTSW 10 76,556,800 (GRCm39) missense probably damaging 0.99
R1235:Col6a1 UTSW 10 76,548,158 (GRCm39) missense unknown
R1480:Col6a1 UTSW 10 76,545,752 (GRCm39) missense unknown
R1854:Col6a1 UTSW 10 76,557,783 (GRCm39) missense probably damaging 1.00
R1995:Col6a1 UTSW 10 76,557,790 (GRCm39) missense probably damaging 1.00
R2082:Col6a1 UTSW 10 76,545,430 (GRCm39) missense probably damaging 0.98
R2122:Col6a1 UTSW 10 76,557,332 (GRCm39) missense probably benign 0.10
R2411:Col6a1 UTSW 10 76,546,922 (GRCm39) missense unknown
R3236:Col6a1 UTSW 10 76,547,154 (GRCm39) missense unknown
R3417:Col6a1 UTSW 10 76,548,203 (GRCm39) missense unknown
R3832:Col6a1 UTSW 10 76,546,951 (GRCm39) missense unknown
R3843:Col6a1 UTSW 10 76,547,175 (GRCm39) missense unknown
R3903:Col6a1 UTSW 10 76,547,175 (GRCm39) missense unknown
R3904:Col6a1 UTSW 10 76,547,175 (GRCm39) missense unknown
R4409:Col6a1 UTSW 10 76,557,334 (GRCm39) missense probably benign 0.17
R4418:Col6a1 UTSW 10 76,554,239 (GRCm39) nonsense probably null
R4568:Col6a1 UTSW 10 76,555,031 (GRCm39) intron probably benign
R4579:Col6a1 UTSW 10 76,547,191 (GRCm39) missense unknown
R4661:Col6a1 UTSW 10 76,550,506 (GRCm39) missense unknown
R4945:Col6a1 UTSW 10 76,548,106 (GRCm39) missense unknown
R4958:Col6a1 UTSW 10 76,559,339 (GRCm39) missense probably damaging 1.00
R5101:Col6a1 UTSW 10 76,545,740 (GRCm39) missense unknown
R5440:Col6a1 UTSW 10 76,559,288 (GRCm39) missense probably damaging 1.00
R5924:Col6a1 UTSW 10 76,554,205 (GRCm39) critical splice donor site probably null
R6030:Col6a1 UTSW 10 76,545,700 (GRCm39) missense unknown
R6030:Col6a1 UTSW 10 76,545,700 (GRCm39) missense unknown
R6366:Col6a1 UTSW 10 76,546,804 (GRCm39) missense unknown
R6435:Col6a1 UTSW 10 76,546,957 (GRCm39) missense unknown
R6718:Col6a1 UTSW 10 76,560,884 (GRCm39) missense probably damaging 1.00
R7014:Col6a1 UTSW 10 76,557,277 (GRCm39) missense probably damaging 1.00
R7117:Col6a1 UTSW 10 76,560,843 (GRCm39) missense probably damaging 1.00
R7153:Col6a1 UTSW 10 76,546,175 (GRCm39) splice site probably null
R7183:Col6a1 UTSW 10 76,552,093 (GRCm39) critical splice donor site probably null
R7244:Col6a1 UTSW 10 76,553,242 (GRCm39) nonsense probably null
R7625:Col6a1 UTSW 10 76,549,760 (GRCm39) missense unknown
R7741:Col6a1 UTSW 10 76,545,743 (GRCm39) missense unknown
R7774:Col6a1 UTSW 10 76,545,710 (GRCm39) missense unknown
R7834:Col6a1 UTSW 10 76,545,762 (GRCm39) missense unknown
R8145:Col6a1 UTSW 10 76,559,305 (GRCm39) missense possibly damaging 0.46
R8177:Col6a1 UTSW 10 76,560,863 (GRCm39) missense probably damaging 1.00
R8932:Col6a1 UTSW 10 76,552,593 (GRCm39) missense unknown
R9060:Col6a1 UTSW 10 76,557,711 (GRCm39) missense probably benign 0.21
R9411:Col6a1 UTSW 10 76,547,487 (GRCm39) missense unknown
RF019:Col6a1 UTSW 10 76,547,449 (GRCm39) missense unknown
X0010:Col6a1 UTSW 10 76,559,372 (GRCm39) missense probably damaging 1.00
X0067:Col6a1 UTSW 10 76,545,809 (GRCm39) missense unknown
Z1088:Col6a1 UTSW 10 76,545,393 (GRCm39) makesense probably null
Protein Function and Prediction

Col6a1 contains an N- and C-terminal globular domain that surrounds a triple helical region (Uniprot Q04857) along with three VWFA domains. 

Background

Knockout animals develop normally, are fertile, and had no obvious differences from the wild-type littermates after a year [MGI: 2153356 (1)]. Disruption of Col6a1 gene expression caused myopathy (e.g., fiber necrosis and phagocytosis along with variation in muscle fiber diameter) (1).  Characterization of this model determined that Col6a1 is necessary for muscle fiber maintenance.  Another study found that along with muscle changes there was a concomitant change in the sarcoplasmic reticulum and mitochondria along with apoptosis (2)

Mutations in COL6A1 can lead to autosomal dominant Bethlem myopathy (OMIM: #158810), Ullrich congenital muscular dystrophy (OMIM: #254090), and ossification of the posterior longitudinal spinal ligaments (OMIM: #602475). 

References
Posted On 2012-10-05
Science Writer Anne Murray