Incidental Mutation 'R4517:Ibsp'
ID 332945
Institutional Source Beutler Lab
Gene Symbol Ibsp
Ensembl Gene ENSMUSG00000029306
Gene Name integrin binding sialoprotein
Synonyms Bsp2, bone sialoprotein, BSP, Bsp
MMRRC Submission 041761-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.088) question?
Stock # R4517 (G1)
Quality Score 225
Status Validated
Chromosome 5
Chromosomal Location 104447153-104459338 bp(+) (GRCm39)
Type of Mutation nonsense
DNA Base Change (assembly) C to A at 104453863 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Stop codon at position 67 (S67*)
Ref Sequence ENSEMBL: ENSMUSP00000031246 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000031246]
AlphaFold Q61711
Predicted Effect probably null
Transcript: ENSMUST00000031246
AA Change: S67*
SMART Domains Protein: ENSMUSP00000031246
Gene: ENSMUSG00000029306
AA Change: S67*

DomainStartEndE-ValueType
signal peptide 1 16 N/A INTRINSIC
Pfam:BSP_II 17 321 2.8e-127 PFAM
Meta Mutation Damage Score 0.9755 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.5%
  • 10x: 96.7%
  • 20x: 93.6%
Validation Efficiency 95% (39/41)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is a major structural protein of the bone matrix. It constitutes approximately 12% of the noncollagenous proteins in human bone and is synthesized by skeletal-associated cell types, including hypertrophic chondrocytes, osteoblasts, osteocytes, and osteoclasts. The only extraskeletal site of its synthesis is the trophoblast. This protein binds to calcium and hydroxyapatite via its acidic amino acid clusters, and mediates cell attachment through an RGD sequence that recognizes the vitronectin receptor. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a knock-out allele show reduced body weight/size, delayed long bone growth and mineralization with low bone turn over due to reduced osteoclast formation, delayed intramembranous ossification, progressive periodontal breakdown, and severe alveolar and mandibular bone loss. [provided by MGI curators]
Allele List at MGI

All alleles(3) : Targeted, knock-out(1) Targeted, other(2)

Other mutations in this stock
Total: 32 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ank A G 15: 27,562,835 (GRCm39) H181R possibly damaging Het
B4galnt4 A G 7: 140,647,635 (GRCm39) K408E probably damaging Het
Cd209a T A 8: 3,795,525 (GRCm39) D123V probably damaging Het
Cyp4f37 A G 17: 32,850,566 (GRCm39) I340V probably benign Het
Echs1 A G 7: 139,692,409 (GRCm39) S113P possibly damaging Het
Fap T C 2: 62,361,059 (GRCm39) I391V probably benign Het
Glb1l C T 1: 75,185,347 (GRCm39) C121Y probably damaging Het
Glod4 T A 11: 76,134,397 (GRCm39) D25V probably damaging Het
Gpc5 T A 14: 115,789,651 (GRCm39) N508K possibly damaging Het
H2-M10.3 C T 17: 36,678,722 (GRCm39) probably null Het
Ifit1bl2 C T 19: 34,607,164 (GRCm39) probably benign Het
Iqgap2 A G 13: 95,800,569 (GRCm39) probably null Het
Kcnma1 A G 14: 23,387,097 (GRCm39) S982P probably damaging Het
Kif5b T C 18: 6,213,272 (GRCm39) S707G probably benign Het
Lrrk2 A G 15: 91,589,323 (GRCm39) I437V probably benign Het
Mapkbp1 T C 2: 119,855,545 (GRCm39) probably benign Het
Mcu T C 10: 59,303,456 (GRCm39) Y127C probably damaging Het
Mlst8 T C 17: 24,695,031 (GRCm39) Y284C probably damaging Het
Nr2f2 T G 7: 70,007,870 (GRCm39) N204T probably benign Het
Or13a26 A G 7: 140,285,004 (GRCm39) Y280C probably damaging Het
Or7a42 T A 10: 78,791,877 (GRCm39) Y279* probably null Het
Pabir3 G A X: 52,382,376 (GRCm39) R94H possibly damaging Het
Pcf11 T C 7: 92,295,696 (GRCm39) Y1451C probably damaging Het
Plekhn1 T C 4: 156,309,988 (GRCm39) S109G probably damaging Het
Rttn T C 18: 89,047,097 (GRCm39) S920P probably damaging Het
Rufy4 T C 1: 74,186,822 (GRCm39) C537R probably damaging Het
Tas2r135 A T 6: 42,383,013 (GRCm39) H184L probably benign Het
Tmem38a C T 8: 73,326,005 (GRCm39) P20S possibly damaging Het
Ubqlnl C T 7: 103,798,925 (GRCm39) V191M probably benign Het
Vmn2r102 A G 17: 19,901,475 (GRCm39) Y534C probably damaging Het
Wdr62 A G 7: 29,969,683 (GRCm39) V259A probably damaging Het
Whrn A G 4: 63,379,517 (GRCm39) probably null Het
Other mutations in Ibsp
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00687:Ibsp APN 5 104,457,934 (GRCm39) missense probably benign 0.27
IGL02317:Ibsp APN 5 104,450,332 (GRCm39) missense probably damaging 1.00
IGL02539:Ibsp APN 5 104,450,149 (GRCm39) missense probably damaging 0.99
IGL03236:Ibsp APN 5 104,453,871 (GRCm39) missense probably benign 0.30
crunch UTSW 5 104,457,148 (GRCm39) missense probably damaging 1.00
I2289:Ibsp UTSW 5 104,450,353 (GRCm39) missense possibly damaging 0.64
PIT4445001:Ibsp UTSW 5 104,450,170 (GRCm39) missense possibly damaging 0.94
R0049:Ibsp UTSW 5 104,450,024 (GRCm39) missense probably damaging 1.00
R0049:Ibsp UTSW 5 104,450,024 (GRCm39) missense probably damaging 1.00
R0234:Ibsp UTSW 5 104,457,935 (GRCm39) small deletion probably benign
R0610:Ibsp UTSW 5 104,458,000 (GRCm39) missense probably benign 0.07
R0656:Ibsp UTSW 5 104,457,886 (GRCm39) critical splice acceptor site probably null
R1168:Ibsp UTSW 5 104,450,018 (GRCm39) missense probably damaging 0.99
R1440:Ibsp UTSW 5 104,458,405 (GRCm39) missense unknown
R1569:Ibsp UTSW 5 104,458,017 (GRCm39) missense probably damaging 1.00
R1921:Ibsp UTSW 5 104,458,078 (GRCm39) missense probably damaging 1.00
R2172:Ibsp UTSW 5 104,458,296 (GRCm39) missense probably damaging 1.00
R2879:Ibsp UTSW 5 104,458,260 (GRCm39) missense possibly damaging 0.88
R4399:Ibsp UTSW 5 104,457,148 (GRCm39) missense probably damaging 1.00
R5417:Ibsp UTSW 5 104,458,335 (GRCm39) missense possibly damaging 0.95
R5575:Ibsp UTSW 5 104,457,925 (GRCm39) missense possibly damaging 0.78
R6183:Ibsp UTSW 5 104,453,896 (GRCm39) missense possibly damaging 0.95
R6273:Ibsp UTSW 5 104,458,167 (GRCm39) missense probably benign 0.15
R6295:Ibsp UTSW 5 104,449,987 (GRCm39) splice site probably null
R7061:Ibsp UTSW 5 104,457,768 (GRCm39) splice site probably null
R7133:Ibsp UTSW 5 104,450,172 (GRCm39) nonsense probably null
R7202:Ibsp UTSW 5 104,450,027 (GRCm39) missense probably benign 0.02
R7205:Ibsp UTSW 5 104,458,297 (GRCm39) missense probably damaging 0.99
R7769:Ibsp UTSW 5 104,458,050 (GRCm39) missense probably damaging 0.97
R7769:Ibsp UTSW 5 104,453,871 (GRCm39) missense probably benign 0.15
R8506:Ibsp UTSW 5 104,457,947 (GRCm39) missense probably damaging 1.00
R8840:Ibsp UTSW 5 104,458,006 (GRCm39) missense probably benign 0.00
R9396:Ibsp UTSW 5 104,458,297 (GRCm39) missense probably damaging 1.00
R9431:Ibsp UTSW 5 104,457,167 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TCCTCGTTCTGTAGATGTGC -3'
(R):5'- CCAAAATAGCAAGTTCTAAGGAGC -3'

Sequencing Primer
(F):5'- TTAGCTGGAAACCCCTCCATAGTTAG -3'
(R):5'- TTCTAAGGAGCTGGAAAGGTGGC -3'
Posted On 2015-08-18