Incidental Mutation 'R6504:Orc1'
ID 523600
Institutional Source Beutler Lab
Gene Symbol Orc1
Ensembl Gene ENSMUSG00000028587
Gene Name origin recognition complex, subunit 1
Synonyms MmORC1, Orc1l
MMRRC Submission 044636-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6504 (G1)
Quality Score 225.009
Status Validated
Chromosome 4
Chromosomal Location 108436651-108472030 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 108447914 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 54 (I54V)
Ref Sequence ENSEMBL: ENSMUSP00000099805 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000102744]
AlphaFold Q9Z1N2
PDB Structure Structure of free mouse ORC1 BAH domain [X-RAY DIFFRACTION]
Structure of mouse ORC1 BAH domain bound to H4K20me2 [X-RAY DIFFRACTION]
Predicted Effect probably benign
Transcript: ENSMUST00000102744
AA Change: I54V

PolyPhen 2 Score 0.152 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000099805
Gene: ENSMUSG00000028587
AA Change: I54V

DomainStartEndE-ValueType
BAH 44 170 1.88e-31 SMART
low complexity region 394 417 N/A INTRINSIC
AAA 505 656 1e-7 SMART
Cdc6_C 757 837 5.45e-12 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000126668
Predicted Effect noncoding transcript
Transcript: ENSMUST00000130162
Predicted Effect noncoding transcript
Transcript: ENSMUST00000139772
Predicted Effect noncoding transcript
Transcript: ENSMUST00000143497
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.3%
  • 20x: 95.5%
Validation Efficiency 100% (35/35)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The origin recognition complex (ORC) is a highly conserved six subunits protein complex essential for the initiation of the DNA replication in eukaryotic cells. Studies in yeast demonstrated that ORC binds specifically to origins of replication and serves as a platform for the assembly of additional initiation factors such as Cdc6 and Mcm proteins. The protein encoded by this gene is the largest subunit of the ORC complex. While other ORC subunits are stable throughout the cell cycle, the levels of this protein vary during the cell cycle, which has been shown to be controlled by ubiquitin-mediated proteolysis after initiation of DNA replication. This protein is found to be selectively phosphorylated during mitosis. It is also reported to interact with MYST histone acetyltransferase 2 (MyST2/HBO1), a protein involved in control of transcription silencing. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jun 2010]
Allele List at MGI
Other mutations in this stock
Total: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700006A11Rik T C 3: 124,213,569 (GRCm39) T31A probably benign Het
Adam12 A T 7: 133,531,713 (GRCm39) H507Q probably damaging Het
Ampd1 A G 3: 103,006,911 (GRCm39) D712G possibly damaging Het
Ap4m1 T A 5: 138,176,358 (GRCm39) D351E probably benign Het
Celsr1 T C 15: 85,863,121 (GRCm39) T1304A probably benign Het
Dhx36 G T 3: 62,396,060 (GRCm39) A449E probably benign Het
Dmkn A T 7: 30,475,854 (GRCm39) K2N possibly damaging Het
Dnah10 T C 5: 124,839,846 (GRCm39) I1217T possibly damaging Het
Dph5 A G 3: 115,720,452 (GRCm39) probably null Het
Dysf T C 6: 83,985,907 (GRCm39) V4A probably benign Het
Elavl4 A T 4: 110,112,579 (GRCm39) probably null Het
Ep400 T C 5: 110,856,703 (GRCm39) probably benign Het
Fat2 A G 11: 55,153,223 (GRCm39) I3663T probably benign Het
Gm7233 T A 14: 43,037,394 (GRCm39) D15E probably benign Het
Grik2 A G 10: 49,232,198 (GRCm39) V444A probably damaging Het
Hdac4 T A 1: 91,896,177 (GRCm39) I698F possibly damaging Het
Kank1 T C 19: 25,405,518 (GRCm39) S1179P probably damaging Het
Kif1b T C 4: 149,277,053 (GRCm39) M1337V probably benign Het
Med13l T A 5: 118,892,386 (GRCm39) D1936E probably benign Het
Ofcc1 A T 13: 40,250,531 (GRCm39) L595Q probably damaging Het
Or10d3 C T 9: 39,461,574 (GRCm39) V198M probably damaging Het
Or5b110-ps1 A C 19: 13,259,848 (GRCm39) H191Q possibly damaging Het
Pom121l2 A G 13: 22,167,631 (GRCm39) Q634R possibly damaging Het
Prrc2c A G 1: 162,525,364 (GRCm39) V414A unknown Het
Ranbp3l T C 15: 8,997,946 (GRCm39) F13L probably benign Het
Scaf11 T C 15: 96,317,341 (GRCm39) probably null Het
Sh3d19 A G 3: 85,992,643 (GRCm39) T224A probably benign Het
Shq1 T A 6: 100,625,208 (GRCm39) Y217F probably benign Het
Slitrk1 A T 14: 109,149,129 (GRCm39) H527Q probably benign Het
Smap2 GACTCTAC GAC 4: 120,830,282 (GRCm39) probably benign Het
Stxbp1 T C 2: 32,691,895 (GRCm39) I432M possibly damaging Het
Sulf2 A G 2: 165,925,841 (GRCm39) Y439H probably benign Het
Thoc5 T A 11: 4,874,815 (GRCm39) C535* probably null Het
Tlr3 T C 8: 45,850,486 (GRCm39) I280V possibly damaging Het
Ush2a A G 1: 188,643,444 (GRCm39) S4269G probably benign Het
Vmn1r214 A T 13: 23,219,610 (GRCm39) *368L probably null Het
Wif1 C G 10: 120,870,996 (GRCm39) Q92E probably damaging Het
Other mutations in Orc1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00333:Orc1 APN 4 108,452,522 (GRCm39) splice site probably benign
IGL00709:Orc1 APN 4 108,447,975 (GRCm39) critical splice donor site probably null
IGL01124:Orc1 APN 4 108,445,984 (GRCm39) splice site probably benign
IGL01514:Orc1 APN 4 108,459,249 (GRCm39) missense probably damaging 0.97
IGL01677:Orc1 APN 4 108,461,782 (GRCm39) missense probably damaging 1.00
IGL01782:Orc1 APN 4 108,463,465 (GRCm39) missense possibly damaging 0.78
IGL01886:Orc1 APN 4 108,461,154 (GRCm39) splice site probably null
IGL01912:Orc1 APN 4 108,447,941 (GRCm39) missense probably damaging 1.00
IGL02057:Orc1 APN 4 108,445,926 (GRCm39) missense possibly damaging 0.53
IGL02155:Orc1 APN 4 108,447,874 (GRCm39) missense probably benign 0.00
IGL02311:Orc1 APN 4 108,457,171 (GRCm39) missense probably benign
IGL02616:Orc1 APN 4 108,452,676 (GRCm39) missense probably benign 0.00
R0012:Orc1 UTSW 4 108,452,843 (GRCm39) critical splice donor site probably null
R0195:Orc1 UTSW 4 108,471,505 (GRCm39) nonsense probably null
R0239:Orc1 UTSW 4 108,452,843 (GRCm39) critical splice donor site probably null
R0239:Orc1 UTSW 4 108,452,843 (GRCm39) critical splice donor site probably null
R0611:Orc1 UTSW 4 108,459,229 (GRCm39) missense probably benign
R1351:Orc1 UTSW 4 108,452,564 (GRCm39) missense probably benign 0.01
R1966:Orc1 UTSW 4 108,469,414 (GRCm39) missense probably damaging 1.00
R2018:Orc1 UTSW 4 108,447,897 (GRCm39) missense possibly damaging 0.95
R2398:Orc1 UTSW 4 108,459,166 (GRCm39) missense possibly damaging 0.68
R3110:Orc1 UTSW 4 108,461,757 (GRCm39) missense probably benign 0.01
R3112:Orc1 UTSW 4 108,461,757 (GRCm39) missense probably benign 0.01
R3712:Orc1 UTSW 4 108,461,218 (GRCm39) missense probably damaging 1.00
R3716:Orc1 UTSW 4 108,471,656 (GRCm39) missense probably damaging 1.00
R3829:Orc1 UTSW 4 108,462,828 (GRCm39) missense probably damaging 1.00
R4282:Orc1 UTSW 4 108,463,471 (GRCm39) missense probably benign 0.18
R4320:Orc1 UTSW 4 108,445,973 (GRCm39) missense probably benign
R4321:Orc1 UTSW 4 108,445,973 (GRCm39) missense probably benign
R4322:Orc1 UTSW 4 108,445,973 (GRCm39) missense probably benign
R4348:Orc1 UTSW 4 108,450,649 (GRCm39) missense probably damaging 0.98
R4562:Orc1 UTSW 4 108,459,252 (GRCm39) critical splice donor site probably null
R4772:Orc1 UTSW 4 108,436,765 (GRCm39) utr 5 prime probably benign
R4914:Orc1 UTSW 4 108,461,755 (GRCm39) missense probably damaging 1.00
R4964:Orc1 UTSW 4 108,471,670 (GRCm39) makesense probably null
R5219:Orc1 UTSW 4 108,447,966 (GRCm39) missense probably damaging 1.00
R5428:Orc1 UTSW 4 108,457,137 (GRCm39) missense probably benign 0.00
R5655:Orc1 UTSW 4 108,450,636 (GRCm39) missense probably benign 0.09
R5693:Orc1 UTSW 4 108,470,276 (GRCm39) missense probably benign 0.01
R5936:Orc1 UTSW 4 108,459,180 (GRCm39) missense probably benign 0.10
R5960:Orc1 UTSW 4 108,463,495 (GRCm39) missense possibly damaging 0.67
R6294:Orc1 UTSW 4 108,447,867 (GRCm39) missense probably benign 0.01
R6533:Orc1 UTSW 4 108,454,644 (GRCm39) missense probably benign 0.05
R6775:Orc1 UTSW 4 108,460,652 (GRCm39) missense probably damaging 1.00
R7123:Orc1 UTSW 4 108,445,884 (GRCm39) start codon destroyed probably damaging 0.99
R7156:Orc1 UTSW 4 108,452,656 (GRCm39) missense probably benign 0.00
R7327:Orc1 UTSW 4 108,445,911 (GRCm39) missense probably benign 0.01
R7552:Orc1 UTSW 4 108,445,951 (GRCm39) missense probably benign 0.41
R7842:Orc1 UTSW 4 108,462,744 (GRCm39) missense probably benign 0.00
R7899:Orc1 UTSW 4 108,460,568 (GRCm39) splice site probably null
R8033:Orc1 UTSW 4 108,462,761 (GRCm39) missense probably damaging 1.00
R9442:Orc1 UTSW 4 108,469,357 (GRCm39) missense probably benign 0.06
R9762:Orc1 UTSW 4 108,447,874 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- TCTCAAAGAATTGAAAGAGGGAGCT -3'
(R):5'- TCTAGTCGGAGAAAGGAACGGC -3'

Sequencing Primer
(F):5'- GGAGCTGGACAGGCATG -3'
(R):5'- GGAACGGCCAATGCTTACACG -3'
Posted On 2018-06-22