Incidental Mutation 'R4348:Orc1'
ID 328393
Institutional Source Beutler Lab
Gene Symbol Orc1
Ensembl Gene ENSMUSG00000028587
Gene Name origin recognition complex, subunit 1
Synonyms MmORC1, Orc1l
MMRRC Submission 041103-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4348 (G1)
Quality Score 225
Status Not validated
Chromosome 4
Chromosomal Location 108436651-108472030 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 108450649 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Isoleucine at position 127 (T127I)
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 damaging
Transcript: ENSMUST00000102744
AA Change: T127I

PolyPhen 2 Score 0.984 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000099805
Gene: ENSMUSG00000028587
AA Change: T127I

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: 99.3%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.3%
Validation Efficiency
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: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A2ml1 C T 6: 128,557,349 (GRCm39) A115T probably benign Het
Aass A G 6: 23,113,738 (GRCm39) F235L probably benign Het
Adamts1 T A 16: 85,599,234 (GRCm39) D122V probably benign Het
Adcy6 A T 15: 98,502,041 (GRCm39) V191E probably benign Het
Cngb3 G A 4: 19,396,688 (GRCm39) R347Q probably damaging Het
Cntnap4 T A 8: 113,480,554 (GRCm39) C334S probably damaging Het
D7Ertd443e ACCTAGGAGGTCCT ACCT 7: 133,950,682 (GRCm39) probably null Het
Dnah12 T A 14: 26,536,498 (GRCm39) M2138K possibly damaging Het
Ebf2 T C 14: 67,476,871 (GRCm39) I138T probably damaging Het
Ect2l A G 10: 18,012,736 (GRCm39) S784P probably damaging Het
Emilin2 T C 17: 71,587,726 (GRCm39) M129V probably benign Het
Enah A T 1: 181,749,985 (GRCm39) S266T possibly damaging Het
Fhip1b A G 7: 105,034,556 (GRCm39) V422A probably damaging Het
Garem2 G A 5: 30,310,366 (GRCm39) R26H possibly damaging Het
Gfy T C 7: 44,827,040 (GRCm39) E352G probably benign Het
Gpatch11 T C 17: 79,148,446 (GRCm39) L128P probably damaging Het
Inava C T 1: 136,153,946 (GRCm39) V180I probably damaging Het
Kcns3 T C 12: 11,141,382 (GRCm39) N439S possibly damaging Het
Llgl1 C T 11: 60,600,394 (GRCm39) P581L probably benign Het
Mbd1 G T 18: 74,407,487 (GRCm39) R199L probably damaging Het
Mbd5 T A 2: 49,146,339 (GRCm39) M183K probably benign Het
Mecom C A 3: 30,020,887 (GRCm39) V452L possibly damaging Het
Nckap1l A G 15: 103,395,246 (GRCm39) T909A probably damaging Het
Ntrk2 A G 13: 59,026,073 (GRCm39) K464E probably damaging Het
Pcdh17 T C 14: 84,685,060 (GRCm39) I509T probably damaging Het
Pcsk7 G A 9: 45,830,646 (GRCm39) A475T probably damaging Het
Prb1b T G 6: 132,290,624 (GRCm39) Y25S unknown Het
Prdm16 A G 4: 154,561,124 (GRCm39) V136A probably benign Het
Ptch1 C T 13: 63,682,143 (GRCm39) R537H probably damaging Het
Ptpn13 T A 5: 103,717,592 (GRCm39) S1879R probably damaging Het
Rasgrp3 A T 17: 75,818,975 (GRCm39) Q388L probably benign Het
Rnf31 AAC A 14: 55,838,555 (GRCm39) probably null Het
Rnf38 A T 4: 44,149,100 (GRCm39) N82K possibly damaging Het
Smco3 T A 6: 136,808,692 (GRCm39) T61S possibly damaging Het
Ssx2ip T C 3: 146,138,245 (GRCm39) V364A probably benign Het
Ttn A G 2: 76,595,109 (GRCm39) I20347T possibly damaging Het
Vmn2r120 A T 17: 57,829,466 (GRCm39) F477Y possibly damaging Het
Wee1 A G 7: 109,730,165 (GRCm39) H423R 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
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
R6504:Orc1 UTSW 4 108,447,914 (GRCm39) missense probably benign 0.15
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'- TCCTCCTAGGAGCTGAAGTTC -3'
(R):5'- GCTCATATCATTTCTCACTAAGGCAC -3'

Sequencing Primer
(F):5'- GCTGAAGTTCCTCCCAAGAAATGTG -3'
(R):5'- TTGCTTCCTCTAGAAAGCCCAGAG -3'
Posted On 2015-07-07