Incidental Mutation 'R3983:Col18a1'
ID 350692
Institutional Source Beutler Lab
Gene Symbol Col18a1
Ensembl Gene ENSMUSG00000001435
Gene Name collagen, type XVIII, alpha 1
Synonyms endostatin
MMRRC Submission 040944-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3983 (G1)
Quality Score 225
Status Validated
Chromosome 10
Chromosomal Location 76888013-77002351 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 76924721 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Tyrosine at position 23 (D23Y)
Ref Sequence ENSEMBL: ENSMUSP00000122580 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000072755] [ENSMUST00000081654] [ENSMUST00000105409] [ENSMUST00000156009]
AlphaFold no structure available at present
Predicted Effect unknown
Transcript: ENSMUST00000072755
AA Change: D692Y
SMART Domains Protein: ENSMUSP00000072538
Gene: ENSMUSG00000001435
AA Change: D692Y

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 unknown
Transcript: ENSMUST00000081654
AA Change: D233Y
SMART Domains Protein: ENSMUSP00000080358
Gene: ENSMUSG00000001435
AA Change: D233Y

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 unknown
Transcript: ENSMUST00000105409
AA Change: D445Y
SMART Domains Protein: ENSMUSP00000101049
Gene: ENSMUSG00000001435
AA Change: D445Y

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
Predicted Effect probably damaging
Transcript: ENSMUST00000156009
AA Change: D23Y

PolyPhen 2 Score 0.986 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000122580
Gene: ENSMUSG00000001435
AA Change: D23Y

DomainStartEndE-ValueType
low complexity region 30 46 N/A INTRINSIC
low complexity region 50 65 N/A INTRINSIC
low complexity region 70 82 N/A INTRINSIC
low complexity region 120 161 N/A INTRINSIC
Meta Mutation Damage Score 0.6467 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency 100% (65/65)
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: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700093K21Rik T A 11: 23,467,220 (GRCm39) N138Y possibly damaging Het
4921504E06Rik A G 2: 19,547,180 (GRCm39) probably null Het
Abcc6 T C 7: 45,644,713 (GRCm39) I821V probably benign Het
Adam34 G A 8: 44,103,806 (GRCm39) T613I probably benign Het
Ap2b1 C T 11: 83,281,542 (GRCm39) T816M probably damaging Het
Cct2 G A 10: 116,890,040 (GRCm39) P10L probably damaging Het
Cdc23 C A 18: 34,770,539 (GRCm39) probably benign Het
Chrna2 G T 14: 66,386,906 (GRCm39) V351L probably benign Het
Clca3a1 T A 3: 144,461,070 (GRCm39) T194S probably benign Het
Cyp2c50 A C 19: 40,101,962 (GRCm39) K400T possibly damaging Het
Cyp2c54 G T 19: 40,034,699 (GRCm39) Q324K possibly damaging Het
Dcpp2 T A 17: 24,119,547 (GRCm39) Y120* probably null Het
Ddx11 C T 17: 66,441,125 (GRCm39) R242W probably damaging Het
Dnah7b T A 1: 46,272,871 (GRCm39) V2333E possibly damaging Het
Duxf4 T A 10: 58,071,623 (GRCm39) N197I possibly damaging Het
Eno3 T A 11: 70,552,237 (GRCm39) F296L probably damaging Het
Flnc G A 6: 29,442,940 (GRCm39) V492M probably damaging Het
Gdap1 T G 1: 17,230,131 (GRCm39) probably benign Het
Gm1587 C T 14: 78,032,283 (GRCm39) E118K unknown Het
Gprin3 T C 6: 59,331,545 (GRCm39) E254G possibly damaging Het
Hcrt G A 11: 100,652,679 (GRCm39) R112C probably damaging Het
Hoxa4 A T 6: 52,167,657 (GRCm39) Y175N probably benign Het
Hydin G A 8: 111,118,957 (GRCm39) G504R probably damaging Het
Il1rl1 A G 1: 40,485,823 (GRCm39) R325G possibly damaging Het
Kcp A T 6: 29,484,636 (GRCm39) L1314Q probably damaging Het
Kdm5b C T 1: 134,559,042 (GRCm39) P1522L possibly damaging Het
Kmt2d T G 15: 98,743,927 (GRCm39) probably benign Het
Map3k20 C T 2: 72,268,571 (GRCm39) T526I probably damaging Het
Mfap2 A G 4: 140,741,554 (GRCm39) Q71R possibly damaging Het
Mme T A 3: 63,235,485 (GRCm39) Y178N probably damaging Het
Msr1 A G 8: 40,073,059 (GRCm39) V164A possibly damaging Het
Mybbp1a T C 11: 72,337,996 (GRCm39) V646A probably damaging Het
Mybpc3 A T 2: 90,965,714 (GRCm39) K1175N probably benign Het
Myo1c T A 11: 75,552,325 (GRCm39) L366Q probably benign Het
Or12d15 T C 17: 37,694,289 (GRCm39) V277A possibly damaging Het
Or1e22 A G 11: 73,376,961 (GRCm39) S230P possibly damaging Het
Or6f1 A G 7: 85,970,942 (GRCm39) Y73H probably damaging Het
Palmd T C 3: 116,717,472 (GRCm39) T342A probably benign Het
Pde4d A G 13: 109,876,940 (GRCm39) T29A probably benign Het
Rapgef5 A G 12: 117,692,405 (GRCm39) E563G possibly damaging Het
Rdh19 A G 10: 127,686,017 (GRCm39) N43S probably benign Het
Rnf44 A C 13: 54,830,961 (GRCm39) S98R probably damaging Het
Samhd1 C A 2: 156,965,369 (GRCm39) V149L possibly damaging Het
Scn4a G T 11: 106,238,644 (GRCm39) N214K probably damaging Het
Sh3bp4 A G 1: 89,073,591 (GRCm39) N813S probably benign Het
Sirt3 A T 7: 140,458,025 (GRCm39) C41* probably null Het
Speg C A 1: 75,399,191 (GRCm39) P2213T probably benign Het
Srcin1 T G 11: 97,416,379 (GRCm39) E951A probably damaging Het
Syn2 C G 6: 115,214,259 (GRCm39) T161S probably benign Het
Tbc1d4 T C 14: 101,744,649 (GRCm39) T326A probably benign Het
Tcstv2a G T 13: 120,725,815 (GRCm39) A160S possibly damaging Het
Tes T A 6: 17,099,700 (GRCm39) probably null Het
Thoc2l T C 5: 104,668,889 (GRCm39) V1137A probably benign Het
Tln1 T C 4: 43,553,030 (GRCm39) T354A probably damaging Het
Ttn G T 2: 76,632,705 (GRCm39) S12370R possibly damaging Het
Twsg1 T C 17: 66,236,758 (GRCm39) T91A probably benign Het
Vmn1r181 C T 7: 23,684,234 (GRCm39) T233I probably benign Het
Wee2 A T 6: 40,432,175 (GRCm39) N248I possibly damaging Het
Zfp740 G T 15: 102,116,678 (GRCm39) C56F 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
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
R5503:Col18a1 UTSW 10 76,907,454 (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'- CCCAGGTTTCTGAGATGGGA -3'
(R):5'- GAATGGGGATATCAAAACAGTTTGT -3'

Sequencing Primer
(F):5'- TTTCTGAGATGGGAAAGTTAAGGC -3'
(R):5'- ACAGTTTGTCAGGAACCCAGTTC -3'
Posted On 2015-10-08