Incidental Mutation 'R7719:Col18a1'
ID 595129
Institutional Source Beutler Lab
Gene Symbol Col18a1
Ensembl Gene ENSMUSG00000001435
Gene Name collagen, type XVIII, alpha 1
Synonyms endostatin
MMRRC Submission 045776-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7719 (G1)
Quality Score 225.009
Status Validated
Chromosome 10
Chromosomal Location 76888013-77002351 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 76913846 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Lysine at position 457 (I457K)
Ref Sequence ENSEMBL: ENSMUSP00000080358 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000072755] [ENSMUST00000081654] [ENSMUST00000105409] [ENSMUST00000156009]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000072755
AA Change: I916K

PolyPhen 2 Score 0.204 (Sensitivity: 0.92; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000072538
Gene: ENSMUSG00000001435
AA Change: I916K

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 benign
Transcript: ENSMUST00000081654
AA Change: I457K

PolyPhen 2 Score 0.134 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000080358
Gene: ENSMUSG00000001435
AA Change: I457K

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: I669K

PolyPhen 2 Score 0.810 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000101049
Gene: ENSMUSG00000001435
AA Change: I669K

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: ENSMUST00000156009
SMART Domains Protein: ENSMUSP00000122580
Gene: ENSMUSG00000001435

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency 99% (67/68)
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: 71 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acbd6 T A 1: 155,562,758 (GRCm39) L253H probably damaging Het
Adam11 T C 11: 102,663,303 (GRCm39) V238A probably benign Het
Amer3 A T 1: 34,628,083 (GRCm39) H774L possibly damaging Het
Anapc15 T C 7: 101,550,236 (GRCm39) L150P unknown Het
Ano8 G T 8: 71,935,784 (GRCm39) T278K possibly damaging Het
Atg16l2 T C 7: 100,939,074 (GRCm39) K618E probably damaging Het
Casz1 C T 4: 149,028,981 (GRCm39) S1142L probably damaging Het
Ccdc30 T A 4: 119,190,813 (GRCm39) E471D probably damaging Het
Cks1b T C 3: 89,323,635 (GRCm39) N45D probably benign Het
Clasrp T C 7: 19,321,769 (GRCm39) T296A probably damaging Het
Cluap1 C T 16: 3,727,467 (GRCm39) probably null Het
Cntn5 T A 9: 9,704,903 (GRCm39) D632V probably damaging Het
Cntnap3 G A 13: 64,920,591 (GRCm39) Q593* probably null Het
Crybb3 G T 5: 113,223,834 (GRCm39) Q192K probably damaging Het
Cyb561d2 C T 9: 107,417,383 (GRCm39) A123T probably benign Het
Cyp2b13 C T 7: 25,795,095 (GRCm39) A442V probably damaging Het
Cyp2j9 G A 4: 96,457,079 (GRCm39) T464I probably benign Het
Cyp4a29 G A 4: 115,108,137 (GRCm39) G320R possibly damaging Het
Dbp T C 7: 45,359,174 (GRCm39) I283T probably damaging Het
Efcab3 T C 11: 105,002,674 (GRCm39) I303T probably benign Het
Efcab8 T A 2: 153,629,665 (GRCm39) V166D Het
Efhc1 A T 1: 21,049,744 (GRCm39) I535F probably benign Het
Epb41l3 A G 17: 69,560,409 (GRCm39) I319V possibly damaging Het
Ewsr1 T C 11: 5,035,900 (GRCm39) T193A unknown Het
Fam227a T C 15: 79,504,913 (GRCm39) N510S possibly damaging Het
Frmpd1 T C 4: 45,284,841 (GRCm39) C1221R possibly damaging Het
Gm6741 A C 17: 91,544,472 (GRCm39) E78D probably benign Het
Gpam C T 19: 55,070,102 (GRCm39) V385I probably damaging Het
Gpr55 A G 1: 85,869,059 (GRCm39) V174A probably benign Het
Gsdmc T C 15: 63,650,813 (GRCm39) probably null Het
Hmcn1 T A 1: 150,441,080 (GRCm39) D5509V possibly damaging Het
Hoxc13 A T 15: 102,830,293 (GRCm39) Q224L possibly damaging Het
Hunk A G 16: 90,293,554 (GRCm39) D612G probably benign Het
Igsf3 G A 3: 101,342,857 (GRCm39) R478H probably damaging Het
Itgb5 A G 16: 33,740,486 (GRCm39) Q532R probably benign Het
Jph1 T C 1: 17,162,215 (GRCm39) Y149C probably damaging Het
Lztfl1 T C 9: 123,544,395 (GRCm39) D33G probably null Het
Mex3c G T 18: 73,723,061 (GRCm39) A385S possibly damaging Het
Myo5a T A 9: 75,051,366 (GRCm39) S320T probably benign Het
Nsun4 A T 4: 115,909,617 (GRCm39) N314K possibly damaging Het
Omg T A 11: 79,393,059 (GRCm39) E266D probably benign Het
Or4b12 A T 2: 90,096,603 (GRCm39) M57K probably damaging Het
Paqr9 T A 9: 95,442,829 (GRCm39) V273E possibly damaging Het
Phkg1 G A 5: 129,902,699 (GRCm39) probably benign Het
Plekhm3 T C 1: 64,960,901 (GRCm39) K452E probably benign Het
Plpbp T A 8: 27,535,974 (GRCm39) I86N Het
Prl2c1 G T 13: 28,035,780 (GRCm39) A51S probably damaging Het
Prmt8 A T 6: 127,706,466 (GRCm39) H108Q probably damaging Het
Prrc2b T A 2: 32,107,280 (GRCm39) C1614* probably null Het
Ptpdc1 A G 13: 48,739,766 (GRCm39) V555A probably benign Het
Rassf9 A G 10: 102,381,461 (GRCm39) D281G probably benign Het
Resf1 T C 6: 149,228,853 (GRCm39) I633T probably benign Het
Rmnd1 T C 10: 4,377,496 (GRCm39) D61G probably benign Het
Rsf1 GGCG GGCGACGGCCGCG 7: 97,229,113 (GRCm39) probably benign Het
Ryr2 A G 13: 11,745,229 (GRCm39) S2055P possibly damaging Het
Six5 G A 7: 18,830,803 (GRCm39) A477T probably damaging Het
Speg A G 1: 75,352,469 (GRCm39) E129G probably damaging Het
Stard10 C T 7: 100,995,320 (GRCm39) A78V not run Het
Stard3 T C 11: 98,266,502 (GRCm39) V127A probably benign Het
Svep1 G A 4: 58,068,523 (GRCm39) P3088S probably damaging Het
Tbck A G 3: 132,440,489 (GRCm39) D508G probably damaging Het
Tgm2 T A 2: 157,985,038 (GRCm39) T23S probably damaging Het
Ttll10 G T 4: 156,131,665 (GRCm39) probably null Het
Vcan A T 13: 89,852,738 (GRCm39) S741T probably damaging Het
Vmn2r13 T C 5: 109,319,618 (GRCm39) N454S probably benign Het
Vmn2r45 T A 7: 8,486,460 (GRCm39) E276V probably damaging Het
Wnt8a T C 18: 34,680,588 (GRCm39) W318R probably damaging Het
Zer1 A T 2: 30,001,243 (GRCm39) L87H probably damaging Het
Zfp518a T A 19: 40,901,212 (GRCm39) N380K probably benign Het
Zfp90 T C 8: 107,145,725 (GRCm39) V19A probably damaging Het
Zkscan5 A C 5: 145,157,676 (GRCm39) H726P 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
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
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
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'- CATTGATCCCAAAGCGTCCTGG -3'
(R):5'- TGGTCCAAGAGAATGGGCTC -3'

Sequencing Primer
(F):5'- AAAGCGTCCTGGCTCAC -3'
(R):5'- TCCGGCCATGTGCTTGG -3'
Posted On 2019-11-12