Incidental Mutation 'R0335:Col18a1'
ID 26206
Institutional Source Beutler Lab
Gene Symbol Col18a1
Ensembl Gene ENSMUSG00000001435
Gene Name collagen, type XVIII, alpha 1
Synonyms endostatin
MMRRC Submission 038544-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0335 (G1)
Quality Score 225
Status Validated
Chromosome 10
Chromosomal Location 76888013-77002351 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 76895197 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Serine at position 1155 (P1155S)
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: P1402S

PolyPhen 2 Score 0.985 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000072538
Gene: ENSMUSG00000001435
AA Change: P1402S

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: P943S

PolyPhen 2 Score 0.991 (Sensitivity: 0.71; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000080358
Gene: ENSMUSG00000001435
AA Change: P943S

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: P1155S

PolyPhen 2 Score 0.991 (Sensitivity: 0.71; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000101049
Gene: ENSMUSG00000001435
AA Change: P1155S

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: P48S
Meta Mutation Damage Score 0.2081 question?
Coding Region Coverage
  • 1x: 98.8%
  • 3x: 97.6%
  • 10x: 94.6%
  • 20x: 87.5%
Validation Efficiency 100% (89/89)
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
Adamts12 G T 15: 11,311,144 (GRCm39) D1134Y possibly damaging Het
Add3 A G 19: 53,225,259 (GRCm39) T460A probably benign Het
Amer3 A C 1: 34,618,381 (GRCm39) probably benign Het
Arhgap22 C T 14: 33,081,065 (GRCm39) probably benign Het
Arhgap32 T G 9: 32,171,056 (GRCm39) S1279A probably benign Het
Bcas1 G A 2: 170,260,601 (GRCm39) T26M probably damaging Het
Begain A T 12: 109,004,860 (GRCm39) F256I probably damaging Het
Bltp1 T C 3: 37,023,301 (GRCm39) V2210A probably damaging Het
Cabin1 A T 10: 75,492,883 (GRCm39) I1804N probably damaging Het
Cad G A 5: 31,231,329 (GRCm39) probably benign Het
Carmil1 G A 13: 24,257,966 (GRCm39) S762L probably damaging Het
Ccdc93 T A 1: 121,420,706 (GRCm39) L529Q probably damaging Het
Cdh12 T A 15: 21,578,635 (GRCm39) probably null Het
Cep15 A G 14: 12,301,266 (GRCm38) E124G possibly damaging Het
Clip2 T A 5: 134,564,069 (GRCm39) probably benign Het
Cmip T C 8: 118,172,105 (GRCm39) I480T probably damaging Het
Cnot1 A T 8: 96,498,628 (GRCm39) I203K probably benign Het
Col1a2 T A 6: 4,531,956 (GRCm39) probably benign Het
Crybg3 A T 16: 59,364,503 (GRCm39) L2373Q probably damaging Het
D130043K22Rik A T 13: 25,071,860 (GRCm39) I935F probably damaging Het
Dapl1 T A 2: 59,326,938 (GRCm39) D61E possibly damaging Het
Def6 A G 17: 28,447,043 (GRCm39) D558G possibly damaging Het
Dnah6 T C 6: 73,046,382 (GRCm39) probably benign Het
Dvl2 G A 11: 69,891,861 (GRCm39) probably benign Het
Ecd A C 14: 20,370,802 (GRCm39) V639G probably benign Het
Epg5 C T 18: 78,029,687 (GRCm39) T1350M probably benign Het
Erbb4 C A 1: 68,298,418 (GRCm39) M657I probably benign Het
Evi5 T C 5: 107,960,277 (GRCm39) R431G probably benign Het
Fbxo11 G A 17: 88,323,041 (GRCm39) A115V possibly damaging Het
Fgfr2 T C 7: 129,797,979 (GRCm39) T192A probably benign Het
Gas7 C T 11: 67,552,878 (GRCm39) A146V possibly damaging Het
Gatad2b T A 3: 90,263,489 (GRCm39) S529T probably benign Het
Gm10722 G T 9: 3,001,048 (GRCm39) Q41H probably null Het
Gm10801 G C 2: 98,494,352 (GRCm39) R143T possibly damaging Het
Gm7535 A G 17: 18,131,374 (GRCm39) probably benign Het
Gstm1 T A 3: 107,920,012 (GRCm39) N193I possibly damaging Het
Heatr5b G A 17: 79,135,375 (GRCm39) P252L probably benign Het
Hmgb1 A G 5: 148,987,441 (GRCm39) V36A probably benign Het
Hrh1 G T 6: 114,457,193 (GRCm39) W158L probably damaging Het
Ighv6-4 T C 12: 114,370,294 (GRCm39) M53V probably benign Het
Iqgap2 T A 13: 95,772,141 (GRCm39) D1346V probably damaging Het
Kcng3 A T 17: 83,895,166 (GRCm39) N433K possibly damaging Het
Kif1a T A 1: 92,980,288 (GRCm39) probably benign Het
Lctl C A 9: 64,026,169 (GRCm39) Q75K probably benign Het
Ldb3 T A 14: 34,300,608 (GRCm39) I89F possibly damaging Het
Lrrc49 A T 9: 60,584,378 (GRCm39) L156Q probably damaging Het
Mark2 G T 19: 7,259,193 (GRCm39) T83K probably benign Het
Ms4a15 A T 19: 10,957,574 (GRCm39) D170E probably damaging Het
Msantd2 A G 9: 37,434,056 (GRCm39) S99G possibly damaging Het
Nemf G T 12: 69,400,577 (GRCm39) T124N probably benign Het
Nlrp9c A T 7: 26,093,561 (GRCm39) F35I possibly damaging Het
Nwd2 A G 5: 63,962,116 (GRCm39) I567V probably benign Het
Optn C T 2: 5,028,926 (GRCm39) G526R probably damaging Het
Or11l3 T C 11: 58,516,566 (GRCm39) Y102C probably damaging Het
Or13p8 A G 4: 118,584,367 (GRCm39) I308V probably null Het
Or5v1b A C 17: 37,841,533 (GRCm39) I222L probably benign Het
Or7g16 T A 9: 18,727,290 (GRCm39) Q100L probably damaging Het
Pdk4 T C 6: 5,491,138 (GRCm39) E209G probably benign Het
Plch1 T C 3: 63,618,399 (GRCm39) Q712R probably damaging Het
Pnpla1 T A 17: 29,105,852 (GRCm39) V569E possibly damaging Het
Prkar2a A T 9: 108,596,457 (GRCm39) D134V probably damaging Het
Ptov1 T A 7: 44,514,046 (GRCm39) Q40L possibly damaging Het
Ptprq T C 10: 107,544,589 (GRCm39) I314V probably benign Het
Rabl2 T C 15: 89,468,169 (GRCm39) K66E probably damaging Het
Rnf38 A G 4: 44,152,507 (GRCm39) V19A possibly damaging Het
Scn2a T A 2: 65,512,435 (GRCm39) W191R probably damaging Het
Sec22b T A 3: 97,828,572 (GRCm39) F212I possibly damaging Het
Sec24c T A 14: 20,738,783 (GRCm39) probably null Het
Septin2 T C 1: 93,423,321 (GRCm39) S51P probably damaging Het
Serpinb1a T C 13: 33,032,639 (GRCm39) N90S probably damaging Het
Slc1a2 C T 2: 102,574,208 (GRCm39) T206I probably benign Het
Slc25a19 C A 11: 115,515,032 (GRCm39) R42L probably damaging Het
St14 G A 9: 31,002,620 (GRCm39) probably benign Het
Stxbp1 C T 2: 32,692,917 (GRCm39) probably benign Het
Tas2r131 C T 6: 132,934,792 (GRCm39) V6I probably benign Het
Tdo2 T A 3: 81,871,307 (GRCm39) M235L probably benign Het
Tenm3 T G 8: 48,685,140 (GRCm39) H2432P probably damaging Het
Tmprss15 C T 16: 78,821,630 (GRCm39) probably benign Het
Tmx1 A G 12: 70,500,030 (GRCm39) N30D probably benign Het
Tom1 A G 8: 75,791,020 (GRCm39) probably null Het
Top2a T C 11: 98,913,781 (GRCm39) N20S probably benign Het
Ttc23l T A 15: 10,540,049 (GRCm39) T145S probably benign Het
Unc13b T A 4: 43,236,983 (GRCm39) M3351K possibly damaging Het
Vmn1r47 T C 6: 89,999,641 (GRCm39) S258P probably damaging Het
Vmn2r8 T G 5: 108,945,317 (GRCm39) probably null Het
Vps11 T C 9: 44,265,135 (GRCm39) Q641R probably null Het
Wapl T A 14: 34,414,281 (GRCm39) I381N probably damaging Het
Zmym6 G A 4: 127,016,601 (GRCm39) G794E probably damaging 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
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
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'- TGAGAACTCCCGACCACATGAGTAG -3'
(R):5'- TTGAGCAGCATTGAGCAGACCC -3'

Sequencing Primer
(F):5'- ACATGAGTAGCCCTCAGGGAC -3'
(R):5'- GGGCATCATATCTGTCATGAGAAC -3'
Posted On 2013-04-16