Incidental Mutation 'R5524:Col18a1'
ID 431761
Institutional Source Beutler Lab
Gene Symbol Col18a1
Ensembl Gene ENSMUSG00000001435
Gene Name collagen, type XVIII, alpha 1
Synonyms endostatin
MMRRC Submission 043082-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5524 (G1)
Quality Score 225
Status Validated
Chromosome 10
Chromosomal Location 76888013-77002351 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 76894558 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 1497 (V1497A)
Ref Sequence ENSEMBL: ENSMUSP00000072538 (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: V1497A

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000072538
Gene: ENSMUSG00000001435
AA Change: V1497A

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 possibly damaging
Transcript: ENSMUST00000081654
AA Change: V1038A

PolyPhen 2 Score 0.904 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000080358
Gene: ENSMUSG00000001435
AA Change: V1038A

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 possibly damaging
Transcript: ENSMUST00000105409
AA Change: V1250A

PolyPhen 2 Score 0.904 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000101049
Gene: ENSMUSG00000001435
AA Change: V1250A

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 benign
Transcript: ENSMUST00000131031
SMART Domains Protein: ENSMUSP00000114884
Gene: ENSMUSG00000001436

DomainStartEndE-ValueType
Pfam:Folate_carrier 1 112 1.3e-45 PFAM
Predicted Effect unknown
Transcript: ENSMUST00000218407
AA Change: V143A
Meta Mutation Damage Score 0.5509 question?
Coding Region Coverage
  • 1x: 98.3%
  • 3x: 97.3%
  • 10x: 95.4%
  • 20x: 91.4%
Validation Efficiency 100% (76/76)
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: 70 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700010L04Rik T A 7: 82,503,150 (GRCm39) noncoding transcript Het
6030469F06Rik A G 12: 31,234,862 (GRCm39) noncoding transcript Het
A830031A19Rik T A 11: 24,008,776 (GRCm39) I13F unknown Het
Acsbg2 A C 17: 57,157,197 (GRCm39) L309R probably damaging Het
Adam32 A T 8: 25,412,328 (GRCm39) M76K probably damaging Het
Adamts14 C A 10: 61,066,222 (GRCm39) R297L probably damaging Het
Agbl5 G A 5: 31,051,247 (GRCm39) probably null Het
Asb14 A G 14: 26,622,408 (GRCm39) K80E possibly damaging Het
Baiap2l1 T C 5: 144,217,759 (GRCm39) T276A probably benign Het
Cacna1d G A 14: 29,764,086 (GRCm39) P2127S probably benign Het
Ces2g A G 8: 105,693,527 (GRCm39) T403A probably benign Het
Cgn A C 3: 94,687,299 (GRCm39) M1R probably null Het
Chd5 T G 4: 152,461,087 (GRCm39) S1226A probably benign Het
Cpd A T 11: 76,688,727 (GRCm39) Y848* probably null Het
Cyp2a12 T C 7: 26,730,656 (GRCm39) V207A probably benign Het
Cyth1 G A 11: 118,073,593 (GRCm39) R247W probably benign Het
Derl3 T C 10: 75,730,324 (GRCm39) V129A possibly damaging Het
Ehmt2 C T 17: 35,118,067 (GRCm39) R40* probably null Het
Eml1 A T 12: 108,487,635 (GRCm39) I518L probably damaging Het
Eri1 A G 8: 35,945,763 (GRCm39) V174A probably benign Het
Fgd3 T A 13: 49,431,053 (GRCm39) I435F probably damaging Het
Foxd1 T G 13: 98,492,412 (GRCm39) S429A unknown Het
Ftcd T A 10: 76,425,165 (GRCm39) probably benign Het
Gm5478 G T 15: 101,553,102 (GRCm39) N323K probably benign Het
Gnpda1 G T 18: 38,468,161 (GRCm39) P45Q probably damaging Het
Kif20a G T 18: 34,763,678 (GRCm39) probably null Het
Klrb1 T C 6: 128,689,296 (GRCm39) probably null Het
Lcorl C A 5: 45,932,864 (GRCm39) probably null Het
Lcorl T A 5: 45,932,865 (GRCm39) probably null Het
Lrp1b T A 2: 41,000,900 (GRCm39) K2108M probably damaging Het
Lyst C T 13: 13,921,364 (GRCm39) P3437S probably benign Het
Macrod2 A T 2: 142,159,863 (GRCm39) M349L possibly damaging Het
Marchf7 T C 2: 60,075,647 (GRCm39) probably benign Het
Mcm9 A T 10: 53,424,786 (GRCm39) C601* probably null Het
Muc19 G T 15: 91,778,587 (GRCm39) noncoding transcript Het
Mycbp2 T C 14: 103,532,673 (GRCm39) D427G probably damaging Het
Nap1l5 C A 6: 58,883,763 (GRCm39) V64L possibly damaging Het
Ncam2 C T 16: 81,231,766 (GRCm39) R77* probably null Het
Npas3 T C 12: 54,115,721 (GRCm39) V863A possibly damaging Het
Nr2c2 T A 6: 92,116,746 (GRCm39) probably null Het
Oosp3 T C 19: 11,682,794 (GRCm39) F56S possibly damaging Het
Or1a1b A T 11: 74,097,409 (GRCm39) L211Q probably damaging Het
Or5k17 C T 16: 58,746,172 (GRCm39) C254Y probably benign Het
Or8g20 C T 9: 39,396,283 (GRCm39) V89M probably damaging Het
Plgrkt G A 19: 29,327,850 (GRCm39) P78S probably damaging Het
Prss36 G A 7: 127,533,637 (GRCm39) Q56* probably null Het
Ptprz1 A G 6: 22,986,317 (GRCm39) probably null Het
Qsox2 A T 2: 26,107,699 (GRCm39) F265I probably damaging Het
R3hcc1l G T 19: 42,552,307 (GRCm39) E435* probably null Het
Shbg T C 11: 69,507,588 (GRCm39) D163G probably benign Het
Skint7 T A 4: 111,837,546 (GRCm39) L108H probably damaging Het
Smtnl1 T A 2: 84,649,238 (GRCm39) E5D probably benign Het
Spock1 C T 13: 57,704,608 (GRCm39) G120D probably damaging Het
Stk11ip G T 1: 75,508,971 (GRCm39) C700F probably damaging Het
Sult4a1 C T 15: 83,974,159 (GRCm39) probably null Het
Syngap1 A G 17: 27,176,126 (GRCm39) H138R probably damaging Het
Tdrd7 A G 4: 46,034,301 (GRCm39) K1016E probably benign Het
Tmem167b T C 3: 108,467,569 (GRCm39) K26E possibly damaging Het
Tnfaip3 A G 10: 18,883,943 (GRCm39) S146P probably damaging Het
Ttn C T 2: 76,607,060 (GRCm39) V16242I possibly damaging Het
Vmn2r-ps3 T A 3: 63,960,870 (GRCm39) noncoding transcript Het
Vps13c T C 9: 67,864,838 (GRCm39) F3049S probably damaging Het
Vstm2l T C 2: 157,777,355 (GRCm39) W78R probably damaging Het
Wbp1l C A 19: 46,642,695 (GRCm39) A216D possibly damaging Het
Zer1 C G 2: 29,994,866 (GRCm39) V510L probably damaging Het
Zfp28 A T 7: 6,397,850 (GRCm39) probably null Het
Zfp352 C A 4: 90,113,341 (GRCm39) P494T possibly damaging Het
Zfp353-ps A G 8: 42,535,600 (GRCm39) noncoding transcript Het
Zfp563 A T 17: 33,321,515 (GRCm39) probably null Het
Zim1 T C 7: 6,680,320 (GRCm39) N448D 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
R5503:Col18a1 UTSW 10 76,907,454 (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'- AGCAGAGGAACACGCTTAC -3'
(R):5'- TGAAATCTTGGGAGCTCTGG -3'

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