Incidental Mutation 'R5503:Col18a1'
ID 430746
Institutional Source Beutler Lab
Gene Symbol Col18a1
Ensembl Gene ENSMUSG00000001435
Gene Name collagen, type XVIII, alpha 1
Synonyms endostatin
MMRRC Submission 043064-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5503 (G1)
Quality Score 214
Status Validated
Chromosome 10
Chromosomal Location 76888013-77002351 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 76907454 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glycine to Aspartic acid at position 861 (G861D)
Ref Sequence ENSEMBL: ENSMUSP00000101049 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000072755] [ENSMUST00000081654] [ENSMUST00000105409]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000072755
AA Change: G1108D

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000072538
Gene: ENSMUSG00000001435
AA Change: G1108D

DomainStartEndE-ValueType
Pfam:DUF959 16 218 6.8e-104 PFAM
low complexity region 295 307 N/A INTRINSIC
FRI 369 484 4.03e-47 SMART
TSPN 492 680 4.25e-72 SMART
LamG 541 679 2.17e-2 SMART
low complexity region 699 715 N/A INTRINSIC
low complexity region 719 734 N/A INTRINSIC
low complexity region 739 751 N/A INTRINSIC
Pfam:Collagen 820 881 5.5e-11 PFAM
low complexity region 921 942 N/A INTRINSIC
Pfam:Collagen 951 1008 6.1e-10 PFAM
Pfam:Collagen 988 1053 1.4e-8 PFAM
Pfam:Collagen 1060 1117 7.3e-10 PFAM
low complexity region 1132 1147 N/A INTRINSIC
low complexity region 1166 1181 N/A INTRINSIC
low complexity region 1186 1202 N/A INTRINSIC
Pfam:Collagen 1207 1267 8.2e-10 PFAM
low complexity region 1275 1288 N/A INTRINSIC
low complexity region 1301 1319 N/A INTRINSIC
low complexity region 1358 1393 N/A INTRINSIC
low complexity region 1397 1414 N/A INTRINSIC
low complexity region 1417 1433 N/A INTRINSIC
low complexity region 1441 1454 N/A INTRINSIC
Pfam:Endostatin 1461 1769 4.4e-116 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000081654
AA Change: G649D

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000080358
Gene: ENSMUSG00000001435
AA Change: G649D

DomainStartEndE-ValueType
signal peptide 1 25 N/A INTRINSIC
TSPN 33 221 4.25e-72 SMART
LamG 82 220 2.17e-2 SMART
low complexity region 240 256 N/A INTRINSIC
low complexity region 260 275 N/A INTRINSIC
low complexity region 280 292 N/A INTRINSIC
Pfam:Collagen 359 422 1.6e-10 PFAM
low complexity region 462 483 N/A INTRINSIC
Pfam:Collagen 492 549 1.6e-9 PFAM
Pfam:Collagen 529 594 3.3e-8 PFAM
Pfam:Collagen 601 658 1.9e-9 PFAM
Pfam:Collagen 631 689 4e-8 PFAM
Pfam:Collagen 701 752 1.7e-7 PFAM
Pfam:Collagen 748 808 2.2e-9 PFAM
low complexity region 816 829 N/A INTRINSIC
low complexity region 842 860 N/A INTRINSIC
low complexity region 899 934 N/A INTRINSIC
low complexity region 938 955 N/A INTRINSIC
low complexity region 958 974 N/A INTRINSIC
low complexity region 982 995 N/A INTRINSIC
Pfam:Endostatin 999 1315 8.2e-151 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000105409
AA Change: G861D

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000101049
Gene: ENSMUSG00000001435
AA Change: G861D

DomainStartEndE-ValueType
Pfam:DUF959 16 219 3.6e-100 PFAM
TSPN 245 433 4.25e-72 SMART
LamG 294 432 2.17e-2 SMART
low complexity region 452 468 N/A INTRINSIC
low complexity region 472 487 N/A INTRINSIC
low complexity region 492 504 N/A INTRINSIC
low complexity region 542 613 N/A INTRINSIC
low complexity region 630 648 N/A INTRINSIC
low complexity region 674 695 N/A INTRINSIC
Pfam:Collagen 700 761 5.4e-9 PFAM
Pfam:Collagen 741 806 4e-8 PFAM
Pfam:Collagen 813 874 2.1e-10 PFAM
Pfam:Collagen 846 901 1.2e-7 PFAM
Pfam:Collagen 913 964 2.1e-7 PFAM
Pfam:Collagen 960 1020 2.6e-9 PFAM
low complexity region 1028 1041 N/A INTRINSIC
low complexity region 1054 1072 N/A INTRINSIC
low complexity region 1111 1146 N/A INTRINSIC
low complexity region 1150 1167 N/A INTRINSIC
low complexity region 1170 1186 N/A INTRINSIC
low complexity region 1194 1207 N/A INTRINSIC
Pfam:Endostatin 1211 1527 1.1e-150 PFAM
Meta Mutation Damage Score 0.9603 question?
Coding Region Coverage
  • 1x: 98.3%
  • 3x: 97.4%
  • 10x: 95.4%
  • 20x: 91.5%
Validation Efficiency 96% (103/107)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes the alpha chain of type XVIII collagen. This collagen is one of the multiplexins, extracellular matrix proteins that contain multiple triple-helix domains (collagenous domains) interrupted by non-collagenous domains. A long isoform of the protein has an N-terminal domain that is homologous to the extracellular part of frizzled receptors. Proteolytic processing at several endogenous cleavage sites in the C-terminal domain results in production of endostatin, a potent antiangiogenic protein that is able to inhibit angiogenesis and tumor growth. Mutations in this gene are associated with Knobloch syndrome. The main features of this syndrome involve retinal abnormalities, so type XVIII collagen may play an important role in retinal structure and in neural tube closure. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2014]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit defects in hyaloid vessel regression, attenuated visual function, abnormal electroretinograms, broad proximal tubule basement membrane, podocyte effacement, and softened glomeruli. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 88 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700049A03Rik A T 12: 71,211,321 (GRCm39) E685V possibly damaging Het
2700049A03Rik G T 12: 71,211,320 (GRCm39) E685* probably null Het
Abca6 A G 11: 110,109,083 (GRCm39) S696P probably damaging Het
Abca9 G A 11: 110,032,436 (GRCm39) T727M probably damaging Het
Alpk2 T C 18: 65,439,312 (GRCm39) R1161G probably benign Het
Amy1 T C 3: 113,349,709 (GRCm39) D487G probably benign Het
Arap2 G A 5: 62,787,529 (GRCm39) A1409V probably damaging Het
B4galt6 C A 18: 20,878,409 (GRCm39) probably null Het
Cacna1s G A 1: 136,014,480 (GRCm39) G382D probably damaging Het
Camk2a A G 18: 61,111,072 (GRCm39) D87G probably damaging Het
Cdh18 A G 15: 23,436,620 (GRCm39) Y492C probably damaging Het
Cert1 C T 13: 96,679,747 (GRCm39) R26C possibly damaging Het
Crybg1 C A 10: 43,874,762 (GRCm39) S782I probably benign Het
Csgalnact1 G A 8: 68,914,125 (GRCm39) L27F probably damaging Het
Dab1 T A 4: 104,369,461 (GRCm39) C3S probably benign Het
Dapk1 T C 13: 60,873,126 (GRCm39) F343L probably benign Het
Dgat1 A T 15: 76,386,394 (GRCm39) probably benign Het
Dnah11 C A 12: 117,844,186 (GRCm39) probably null Het
Dsg2 T A 18: 20,713,708 (GRCm39) Y226* probably null Het
Epg5 T A 18: 77,994,422 (GRCm39) M351K possibly damaging Het
F13b A G 1: 139,450,281 (GRCm39) T648A probably benign Het
Fgf17 T C 14: 70,874,408 (GRCm39) Y127C probably damaging Het
Fkbp15 G A 4: 62,246,124 (GRCm39) P435S probably benign Het
Gfm1 G A 3: 67,361,060 (GRCm39) probably null Het
Gigyf1 T C 5: 137,521,729 (GRCm39) probably benign Het
Gm12830 A T 4: 114,678,936 (GRCm39) T6S unknown Het
Gm6465 A T 5: 11,898,150 (GRCm39) N88I probably damaging Het
Gpr18 C T 14: 122,149,159 (GRCm39) V289I probably damaging Het
Ipp G T 4: 116,395,135 (GRCm39) E557* probably null Het
Klhl12 T A 1: 134,413,653 (GRCm39) probably null Het
Klhl38 A G 15: 58,185,745 (GRCm39) V328A possibly damaging Het
Kndc1 A G 7: 139,511,802 (GRCm39) T1470A probably damaging Het
Kntc1 T A 5: 123,957,939 (GRCm39) D2173E possibly damaging Het
Lipi T C 16: 75,370,864 (GRCm39) K118E probably benign Het
Marf1 A C 16: 13,970,095 (GRCm39) L208R probably damaging Het
Misp G A 10: 79,662,552 (GRCm39) R323K probably damaging Het
Mlxip T A 5: 123,533,390 (GRCm39) M133K probably damaging Het
Mon2 A T 10: 122,868,550 (GRCm39) M501K possibly damaging Het
Myh2 A G 11: 67,064,275 (GRCm39) I77V probably benign Het
Napa C A 7: 15,849,549 (GRCm39) Q254K probably benign Het
Nckap5l C A 15: 99,323,503 (GRCm39) G1000V probably damaging Het
Neo1 A T 9: 58,892,933 (GRCm39) S236R possibly damaging Het
Neurl4 T A 11: 69,797,194 (GRCm39) Y594N probably damaging Het
Nmral1 G A 16: 4,533,493 (GRCm39) P94L probably benign Het
Notch3 A T 17: 32,366,029 (GRCm39) I1024N probably benign Het
Nsd1 T A 13: 55,393,752 (GRCm39) I451K probably damaging Het
Nt5c3b T C 11: 100,323,883 (GRCm39) D143G probably benign Het
Oplah A G 15: 76,189,646 (GRCm39) probably null Het
Or13a17 A C 7: 140,271,309 (GRCm39) M164L probably benign Het
Or2ak4 T A 11: 58,649,154 (GRCm39) V221E probably damaging Het
Or6b2b C A 1: 92,418,918 (GRCm39) K186N probably benign Het
Or7d10 A G 9: 19,831,675 (GRCm39) T57A probably benign Het
Or8b48 T C 9: 38,493,368 (GRCm39) V265A probably benign Het
Or8g19 A G 9: 39,055,780 (GRCm39) N128S probably benign Het
Phb2 T A 6: 124,689,985 (GRCm39) probably benign Het
Plcl2 A G 17: 50,816,957 (GRCm39) I108V probably benign Het
Plpp6 T A 19: 28,942,146 (GRCm39) M249K probably damaging Het
Pnpt1 G A 11: 29,088,156 (GRCm39) G189E probably damaging Het
Pramel17 A T 4: 101,692,999 (GRCm39) Y334N probably benign Het
Ptprn C T 1: 75,228,519 (GRCm39) V853M probably damaging Het
Ptprq T C 10: 107,524,189 (GRCm39) probably null Het
Rai1 G A 11: 60,077,279 (GRCm39) V448I probably benign Het
Rbm20 T A 19: 53,839,785 (GRCm39) C925S possibly damaging Het
Rin3 C A 12: 102,279,314 (GRCm39) P41Q probably benign Het
Rpl31-ps21 T C 5: 21,324,505 (GRCm39) noncoding transcript Het
Rpl39-ps A T 15: 102,543,561 (GRCm39) noncoding transcript Het
Rtn4ip1 T A 10: 43,783,879 (GRCm39) D133E probably benign Het
Ryr1 T C 7: 28,768,453 (GRCm39) K2839E possibly damaging Het
Septin5 T C 16: 18,442,118 (GRCm39) K268R probably benign Het
Serpinb6b T A 13: 33,161,642 (GRCm39) D238E possibly damaging Het
Slc15a2 C T 16: 36,582,747 (GRCm39) V214M probably damaging Het
Smarca2 T C 19: 26,601,336 (GRCm39) M18T probably damaging Het
Smarca2 C A 19: 26,659,446 (GRCm39) T912K possibly damaging Het
Smdt1 A T 15: 82,232,101 (GRCm39) R46S possibly damaging Het
Spa17 A C 9: 37,523,273 (GRCm39) F5V probably damaging Het
Spag17 A G 3: 99,934,560 (GRCm39) E614G possibly damaging Het
Sstr4 CGAGGAGGAGGAGGA CGAGGAGGAGGAGGAGGA 2: 148,237,471 (GRCm39) probably benign Het
Tlr1 A T 5: 65,083,635 (GRCm39) V314D probably damaging Het
Trappc8 A T 18: 20,969,957 (GRCm39) L1011Q probably benign Het
Tsga10 A G 1: 37,800,028 (GRCm39) *691Q probably null Het
Vav1 A T 17: 57,610,079 (GRCm39) K420* probably null Het
Vmn1r174 C G 7: 23,453,562 (GRCm39) T76R probably benign Het
Vmn2r116 A G 17: 23,605,778 (GRCm39) E230G probably benign Het
Vps13b A G 15: 35,452,312 (GRCm39) T637A probably damaging Het
Zbtb7a A G 10: 80,980,631 (GRCm39) E275G probably damaging Het
Zfp280b A G 10: 75,875,296 (GRCm39) probably null Het
Zfp763 A G 17: 33,238,507 (GRCm39) Y213H possibly damaging Het
Zfp78 T A 7: 6,381,528 (GRCm39) W161R probably benign Het
Other mutations in Col18a1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00952:Col18a1 APN 10 76,905,813 (GRCm39) missense possibly damaging 0.93
IGL01023:Col18a1 APN 10 76,906,809 (GRCm39) missense probably damaging 0.98
IGL01304:Col18a1 APN 10 76,911,975 (GRCm39) unclassified probably benign
IGL01519:Col18a1 APN 10 76,895,157 (GRCm39) missense probably damaging 0.99
IGL02217:Col18a1 APN 10 76,889,132 (GRCm39) missense probably damaging 0.96
IGL02275:Col18a1 APN 10 76,895,217 (GRCm39) missense possibly damaging 0.92
IGL02283:Col18a1 APN 10 76,948,943 (GRCm39) missense possibly damaging 0.71
IGL02492:Col18a1 APN 10 76,907,855 (GRCm39) splice site probably benign
IGL02673:Col18a1 APN 10 76,894,997 (GRCm39) missense probably damaging 1.00
IGL02710:Col18a1 APN 10 76,949,146 (GRCm39) missense possibly damaging 0.92
IGL02850:Col18a1 APN 10 76,932,300 (GRCm39) missense probably damaging 0.98
IGL03085:Col18a1 APN 10 76,895,015 (GRCm39) splice site probably benign
IGL03102:Col18a1 APN 10 76,903,457 (GRCm39) splice site probably benign
IGL03139:Col18a1 APN 10 76,949,177 (GRCm39) missense possibly damaging 0.84
IGL03181:Col18a1 APN 10 76,891,532 (GRCm39) missense probably damaging 1.00
IGL03183:Col18a1 APN 10 76,909,588 (GRCm39) missense probably damaging 1.00
R0039:Col18a1 UTSW 10 76,913,002 (GRCm39) missense probably damaging 1.00
R0180:Col18a1 UTSW 10 76,932,351 (GRCm39) missense probably benign 0.33
R0225:Col18a1 UTSW 10 76,924,748 (GRCm39) missense possibly damaging 0.90
R0335:Col18a1 UTSW 10 76,895,197 (GRCm39) missense probably damaging 0.99
R0336:Col18a1 UTSW 10 76,894,570 (GRCm39) missense probably damaging 1.00
R1471:Col18a1 UTSW 10 76,932,040 (GRCm39) missense unknown
R1538:Col18a1 UTSW 10 76,907,170 (GRCm39) missense probably damaging 1.00
R1594:Col18a1 UTSW 10 76,948,870 (GRCm39) missense possibly damaging 0.51
R1631:Col18a1 UTSW 10 76,895,131 (GRCm39) missense probably damaging 0.99
R1774:Col18a1 UTSW 10 76,895,815 (GRCm39) missense probably damaging 0.96
R1934:Col18a1 UTSW 10 76,948,578 (GRCm39) missense possibly damaging 0.73
R1990:Col18a1 UTSW 10 76,916,988 (GRCm39) missense unknown
R1991:Col18a1 UTSW 10 76,916,988 (GRCm39) missense unknown
R1992:Col18a1 UTSW 10 76,916,988 (GRCm39) missense unknown
R2081:Col18a1 UTSW 10 76,890,019 (GRCm39) missense probably damaging 1.00
R2082:Col18a1 UTSW 10 76,895,127 (GRCm39) missense probably damaging 1.00
R2351:Col18a1 UTSW 10 76,948,538 (GRCm39) missense probably benign 0.00
R2510:Col18a1 UTSW 10 76,932,102 (GRCm39) missense unknown
R3076:Col18a1 UTSW 10 76,924,762 (GRCm39) missense possibly damaging 0.57
R3433:Col18a1 UTSW 10 76,932,102 (GRCm39) missense unknown
R3800:Col18a1 UTSW 10 76,903,221 (GRCm39) nonsense probably null
R3918:Col18a1 UTSW 10 76,889,192 (GRCm39) missense probably benign 0.05
R3981:Col18a1 UTSW 10 76,924,721 (GRCm39) missense probably damaging 0.99
R3983:Col18a1 UTSW 10 76,924,721 (GRCm39) missense probably damaging 0.99
R4182:Col18a1 UTSW 10 76,894,675 (GRCm39) splice site probably null
R4239:Col18a1 UTSW 10 76,932,001 (GRCm39) missense unknown
R5014:Col18a1 UTSW 10 76,906,794 (GRCm39) critical splice donor site probably null
R5107:Col18a1 UTSW 10 76,913,057 (GRCm39) critical splice acceptor site probably null
R5413:Col18a1 UTSW 10 76,905,310 (GRCm39) missense probably damaging 1.00
R5524:Col18a1 UTSW 10 76,894,558 (GRCm39) missense probably damaging 1.00
R5772:Col18a1 UTSW 10 77,002,177 (GRCm39) missense unknown
R5958:Col18a1 UTSW 10 76,932,231 (GRCm39) missense probably benign 0.01
R6280:Col18a1 UTSW 10 76,948,323 (GRCm39) intron probably benign
R6309:Col18a1 UTSW 10 76,948,576 (GRCm39) intron probably benign
R6603:Col18a1 UTSW 10 76,899,811 (GRCm39) critical splice donor site probably null
R6608:Col18a1 UTSW 10 76,948,628 (GRCm39) intron probably benign
R6805:Col18a1 UTSW 10 76,890,073 (GRCm39) missense probably damaging 1.00
R6890:Col18a1 UTSW 10 76,949,318 (GRCm39) intron probably benign
R6938:Col18a1 UTSW 10 76,948,333 (GRCm39) intron probably benign
R7002:Col18a1 UTSW 10 77,002,177 (GRCm39) missense unknown
R7154:Col18a1 UTSW 10 76,908,799 (GRCm39) missense probably benign 0.25
R7204:Col18a1 UTSW 10 76,921,110 (GRCm39) missense unknown
R7278:Col18a1 UTSW 10 76,932,118 (GRCm39) missense unknown
R7442:Col18a1 UTSW 10 76,932,072 (GRCm39) missense unknown
R7453:Col18a1 UTSW 10 76,921,044 (GRCm39) splice site probably null
R7597:Col18a1 UTSW 10 76,949,137 (GRCm39) missense unknown
R7615:Col18a1 UTSW 10 76,902,839 (GRCm39) missense probably damaging 1.00
R7671:Col18a1 UTSW 10 76,921,217 (GRCm39) missense unknown
R7696:Col18a1 UTSW 10 76,921,106 (GRCm39) missense unknown
R7719:Col18a1 UTSW 10 76,913,846 (GRCm39) missense probably benign 0.13
R7772:Col18a1 UTSW 10 76,904,220 (GRCm39) splice site probably null
R8077:Col18a1 UTSW 10 76,916,685 (GRCm39) missense unknown
R8085:Col18a1 UTSW 10 76,924,741 (GRCm39) missense unknown
R8097:Col18a1 UTSW 10 76,948,342 (GRCm39) missense unknown
R8117:Col18a1 UTSW 10 76,895,808 (GRCm39) missense probably benign 0.41
R8130:Col18a1 UTSW 10 76,910,284 (GRCm39) missense probably benign 0.03
R8151:Col18a1 UTSW 10 76,948,418 (GRCm39) missense unknown
R8379:Col18a1 UTSW 10 76,889,072 (GRCm39) missense probably benign 0.08
R8479:Col18a1 UTSW 10 76,916,988 (GRCm39) missense unknown
R8523:Col18a1 UTSW 10 76,890,068 (GRCm39) missense probably damaging 0.99
R8862:Col18a1 UTSW 10 76,949,044 (GRCm39) nonsense probably null
R9109:Col18a1 UTSW 10 76,893,204 (GRCm39) missense probably damaging 1.00
R9298:Col18a1 UTSW 10 76,893,204 (GRCm39) missense probably damaging 1.00
R9312:Col18a1 UTSW 10 76,894,606 (GRCm39) missense probably damaging 0.98
R9366:Col18a1 UTSW 10 76,932,258 (GRCm39) missense unknown
R9399:Col18a1 UTSW 10 76,916,584 (GRCm39) missense unknown
R9559:Col18a1 UTSW 10 76,913,630 (GRCm39) missense probably damaging 1.00
R9649:Col18a1 UTSW 10 76,916,673 (GRCm39) missense unknown
R9689:Col18a1 UTSW 10 76,916,578 (GRCm39) nonsense probably null
R9719:Col18a1 UTSW 10 76,949,432 (GRCm39) missense unknown
Z1176:Col18a1 UTSW 10 76,948,685 (GRCm39) missense unknown
Z1176:Col18a1 UTSW 10 76,891,543 (GRCm39) missense possibly damaging 0.81
Z1177:Col18a1 UTSW 10 76,948,672 (GRCm39) missense unknown
Predicted Primers PCR Primer
(F):5'- GAGTCTGGCTTCCAATGCAG -3'
(R):5'- CTAACCAGGGCTTGAACCAG -3'

Sequencing Primer
(F):5'- TCCTAGAGCCTTGGAGACTAG -3'
(R):5'- CCAGAAGAAACCTAGGTGATGGTC -3'
Posted On 2016-10-05