Incidental Mutation 'R1263:Chi3l1'
ID 151638
Institutional Source Beutler Lab
Gene Symbol Chi3l1
Ensembl Gene ENSMUSG00000064246
Gene Name chitinase 3 like 1
Synonyms Brp39, Chil1, Gp39
MMRRC Submission 039330-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.109) question?
Stock # R1263 (G1)
Quality Score 225
Status Not validated
Chromosome 1
Chromosomal Location 134109894-134117769 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 134116980 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Lysine at position 315 (E315K)
Ref Sequence ENSEMBL: ENSMUSP00000117117 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000038445] [ENSMUST00000082060] [ENSMUST00000132873] [ENSMUST00000133701] [ENSMUST00000156873] [ENSMUST00000153856] [ENSMUST00000191577]
AlphaFold Q61362
Predicted Effect probably benign
Transcript: ENSMUST00000038445
SMART Domains Protein: ENSMUSP00000042195
Gene: ENSMUSG00000042451

DomainStartEndE-ValueType
low complexity region 41 66 N/A INTRINSIC
FN3 77 160 4.84e-9 SMART
IG 187 270 9.78e-7 SMART
FN3 273 355 1.1e-7 SMART
IGc2 400 467 1.38e-6 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000082060
AA Change: E323K

PolyPhen 2 Score 0.017 (Sensitivity: 0.95; Specificity: 0.80)
SMART Domains Protein: ENSMUSP00000080717
Gene: ENSMUSG00000064246
AA Change: E323K

DomainStartEndE-ValueType
signal peptide 1 29 N/A INTRINSIC
Glyco_18 30 366 1.2e-143 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000132873
SMART Domains Protein: ENSMUSP00000118289
Gene: ENSMUSG00000064246

DomainStartEndE-ValueType
Pfam:Glyco_hydro_18 2 110 4.4e-33 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000133701
SMART Domains Protein: ENSMUSP00000121471
Gene: ENSMUSG00000064246

DomainStartEndE-ValueType
Pfam:Glyco_hydro_18 2 106 2e-32 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000134812
Predicted Effect noncoding transcript
Transcript: ENSMUST00000139254
Predicted Effect noncoding transcript
Transcript: ENSMUST00000144819
Predicted Effect probably benign
Transcript: ENSMUST00000156873
AA Change: E313K

PolyPhen 2 Score 0.012 (Sensitivity: 0.96; Specificity: 0.78)
SMART Domains Protein: ENSMUSP00000119205
Gene: ENSMUSG00000064246
AA Change: E313K

DomainStartEndE-ValueType
signal peptide 1 19 N/A INTRINSIC
Glyco_18 20 356 1.2e-143 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000153856
AA Change: E315K

PolyPhen 2 Score 0.017 (Sensitivity: 0.95; Specificity: 0.80)
SMART Domains Protein: ENSMUSP00000117117
Gene: ENSMUSG00000064246
AA Change: E315K

DomainStartEndE-ValueType
signal peptide 1 21 N/A INTRINSIC
Glyco_18 22 358 1.2e-143 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000191577
SMART Domains Protein: ENSMUSP00000141104
Gene: ENSMUSG00000042451

DomainStartEndE-ValueType
low complexity region 41 66 N/A INTRINSIC
FN3 77 160 4.84e-9 SMART
IG 187 270 9.78e-7 SMART
FN3 273 355 1.1e-7 SMART
IGc2 400 467 1.38e-6 SMART
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.4%
  • 20x: 93.1%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Chitinases catalyze the hydrolysis of chitin, which is an abundant glycopolymer found in insect exoskeletons and fungal cell walls. The glycoside hydrolase 18 family of chitinases includes eight human family members. This gene encodes a glycoprotein member of the glycosyl hydrolase 18 family. The protein lacks chitinase activity and is secreted by activated macrophages, chondrocytes, neutrophils and synovial cells. The protein is thought to play a role in the process of inflammation and tissue remodeling. [provided by RefSeq, Sep 2009]
PHENOTYPE: Homozygous null mice show impaired OVA-induced Th2 responses with reduced splenocyte proliferation, cytokine production and IgE levels, impaired dendritic cell recruitment, higher CD4 T cell, macrophage and eosinophil apoptosis, and reduced CD4 T cell and alternatively activated macrophage numbers. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca8b A C 11: 109,832,433 (GRCm39) H1231Q possibly damaging Het
Acbd4 T A 11: 102,994,677 (GRCm39) probably null Het
Atp13a4 T A 16: 29,290,771 (GRCm39) Y226F possibly damaging Het
Brd3 A C 2: 27,352,534 (GRCm39) F132C probably damaging Het
Btaf1 A T 19: 36,933,924 (GRCm39) N184I probably benign Het
Ccdc180 A G 4: 45,903,887 (GRCm39) E351G possibly damaging Het
Ccdc185 A T 1: 182,574,918 (GRCm39) Y590* probably null Het
Col6a6 T A 9: 105,586,688 (GRCm39) M1778L probably benign Het
Cyp3a59 A C 5: 146,041,521 (GRCm39) Y355S probably damaging Het
Cyp4a31 A G 4: 115,431,908 (GRCm39) T396A probably benign Het
Dnaaf6rt A T 1: 31,262,296 (GRCm39) I93F probably damaging Het
Dnah6 A T 6: 73,121,948 (GRCm39) I1373N probably damaging Het
Dop1b C A 16: 93,574,274 (GRCm39) H1598N probably benign Het
Erich4 T A 7: 25,314,559 (GRCm39) K118M probably damaging Het
Gkap1 A T 13: 58,403,587 (GRCm39) V179E probably benign Het
Gpr107 T G 2: 31,068,267 (GRCm39) I243S possibly damaging Het
Hs3st6 A G 17: 24,977,504 (GRCm39) N328S probably damaging Het
Kcnq5 A T 1: 21,549,602 (GRCm39) I375N probably damaging Het
Klhdc3 A T 17: 46,987,892 (GRCm39) H266Q probably benign Het
Krt71 C T 15: 101,643,901 (GRCm39) G446R probably damaging Het
L3mbtl2 A G 15: 81,567,169 (GRCm39) T423A probably benign Het
Mical3 T C 6: 120,929,430 (GRCm39) E1812G probably damaging Het
Nlrp1a A G 11: 70,987,948 (GRCm39) I1174T probably benign Het
Npas2 C A 1: 39,373,849 (GRCm39) Q450K possibly damaging Het
Nrp1 T A 8: 129,194,870 (GRCm39) I442N probably damaging Het
Or1j10 T A 2: 36,267,006 (GRCm39) S73T probably damaging Het
Or2y1 A T 11: 49,385,848 (GRCm39) M163L probably benign Het
Palld TGCGTAGCG TGCG 8: 61,966,491 (GRCm39) probably null Het
Pold3 T A 7: 99,768,890 (GRCm39) Q36L possibly damaging Het
Polg T C 7: 79,109,534 (GRCm39) T428A probably benign Het
Rfx7 T A 9: 72,484,329 (GRCm39) V57E possibly damaging Het
Rnf122 T G 8: 31,602,177 (GRCm39) M1R probably null Het
Sanbr A T 11: 23,570,278 (GRCm39) Y207* probably null Het
Scn10a T A 9: 119,446,799 (GRCm39) T1410S probably damaging Het
Serpinb13 T A 1: 106,928,466 (GRCm39) V362E probably damaging Het
Setdb1 T C 3: 95,234,922 (GRCm39) N927S probably damaging Het
Sft2d1 A G 17: 8,539,470 (GRCm39) K91R probably benign Het
Shprh A G 10: 11,035,274 (GRCm39) H327R probably damaging Het
Slc9b2 C A 3: 135,042,156 (GRCm39) H478Q probably benign Het
Styxl1 G T 5: 135,782,737 (GRCm39) S117R probably damaging Het
Synj2 T C 17: 6,069,634 (GRCm39) F150L probably damaging Het
Tep1 C A 14: 51,082,970 (GRCm39) V1013L possibly damaging Het
Tgfbi T A 13: 56,778,468 (GRCm39) L413Q probably damaging Het
Tmc5 G A 7: 118,266,093 (GRCm39) R789Q probably damaging Het
Tonsl T A 15: 76,506,762 (GRCm39) I115F possibly damaging Het
Trim38 A G 13: 23,975,117 (GRCm39) Y352C probably damaging Het
Txnl4a T A 18: 80,250,536 (GRCm39) V44D probably benign Het
Vars2 A G 17: 35,972,501 (GRCm39) V39A probably damaging Het
Vmn2r105 A G 17: 20,428,584 (GRCm39) C831R probably damaging Het
Vmn2r26 T A 6: 124,027,667 (GRCm39) I469N probably benign Het
Vmn2r53 T C 7: 12,315,533 (GRCm39) Y762C probably benign Het
Vps13d T A 4: 144,896,918 (GRCm39) Q334L probably benign Het
Zfp277 A T 12: 40,414,164 (GRCm39) I227N probably damaging Het
Other mutations in Chi3l1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00977:Chi3l1 APN 1 134,115,711 (GRCm39) missense possibly damaging 0.89
IGL01305:Chi3l1 APN 1 134,110,554 (GRCm39) splice site probably benign
IGL02051:Chi3l1 APN 1 134,111,887 (GRCm39) missense probably damaging 1.00
IGL02724:Chi3l1 APN 1 134,116,981 (GRCm39) missense probably damaging 1.00
IGL02754:Chi3l1 APN 1 134,111,339 (GRCm39) missense probably damaging 1.00
R0071:Chi3l1 UTSW 1 134,113,017 (GRCm39) missense probably benign 0.08
R0071:Chi3l1 UTSW 1 134,113,017 (GRCm39) missense probably benign 0.08
R0662:Chi3l1 UTSW 1 134,116,311 (GRCm39) missense probably damaging 1.00
R1728:Chi3l1 UTSW 1 134,116,267 (GRCm39) missense probably damaging 1.00
R1729:Chi3l1 UTSW 1 134,116,267 (GRCm39) missense probably damaging 1.00
R1730:Chi3l1 UTSW 1 134,116,267 (GRCm39) missense probably damaging 1.00
R1739:Chi3l1 UTSW 1 134,116,267 (GRCm39) missense probably damaging 1.00
R1762:Chi3l1 UTSW 1 134,116,267 (GRCm39) missense probably damaging 1.00
R1783:Chi3l1 UTSW 1 134,116,267 (GRCm39) missense probably damaging 1.00
R1784:Chi3l1 UTSW 1 134,116,267 (GRCm39) missense probably damaging 1.00
R1785:Chi3l1 UTSW 1 134,116,267 (GRCm39) missense probably damaging 1.00
R4992:Chi3l1 UTSW 1 134,116,364 (GRCm39) missense probably benign 0.03
R5860:Chi3l1 UTSW 1 134,112,909 (GRCm39) missense probably benign 0.00
R6019:Chi3l1 UTSW 1 134,117,310 (GRCm39) missense probably benign 0.00
R6320:Chi3l1 UTSW 1 134,109,996 (GRCm39) start codon destroyed probably null 0.07
R7748:Chi3l1 UTSW 1 134,116,966 (GRCm39) missense probably benign 0.00
R8419:Chi3l1 UTSW 1 134,117,280 (GRCm39) missense probably damaging 1.00
R8992:Chi3l1 UTSW 1 134,115,662 (GRCm39) missense probably benign 0.01
R9051:Chi3l1 UTSW 1 134,111,919 (GRCm39) critical splice donor site probably null
R9238:Chi3l1 UTSW 1 134,115,685 (GRCm39) missense probably damaging 1.00
R9509:Chi3l1 UTSW 1 134,116,413 (GRCm39) missense probably damaging 1.00
RF012:Chi3l1 UTSW 1 134,112,909 (GRCm39) missense probably benign
X0025:Chi3l1 UTSW 1 134,111,370 (GRCm39) missense possibly damaging 0.62
Z1088:Chi3l1 UTSW 1 134,117,238 (GRCm39) missense probably benign 0.00
Z1176:Chi3l1 UTSW 1 134,116,968 (GRCm39) missense probably damaging 0.96
Z1176:Chi3l1 UTSW 1 134,110,517 (GRCm39) critical splice acceptor site probably null
Predicted Primers PCR Primer
(F):5'- AAATTTGCATGAAGCCAGCAGCC -3'
(R):5'- TGGAAATCATCCAAATCCAGTGCCC -3'

Sequencing Primer
(F):5'- AAGCCAGCAGCCTGGAG -3'
(R):5'- TTCAGGAACCCAACCTGGTG -3'
Posted On 2014-01-29