Incidental Mutation 'R4320:Orc1'
ID 323767
Institutional Source Beutler Lab
Gene Symbol Orc1
Ensembl Gene ENSMUSG00000028587
Gene Name origin recognition complex, subunit 1
Synonyms MmORC1, Orc1l
MMRRC Submission 041661-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4320 (G1)
Quality Score 225
Status Validated
Chromosome 4
Chromosomal Location 108436651-108472030 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 108445973 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Isoleucine at position 30 (M30I)
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: M30I

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000099805
Gene: ENSMUSG00000028587
AA Change: M30I

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
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.1%
Validation Efficiency 96% (46/48)
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: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ank3 G A 10: 69,740,076 (GRCm39) V826I possibly damaging Het
Arid4a T A 12: 71,116,769 (GRCm39) I609N possibly damaging Het
Asb13 G T 13: 3,695,012 (GRCm39) R160L possibly damaging Het
Brix1 A T 15: 10,483,398 (GRCm39) M91K probably damaging Het
Ccdc191 A G 16: 43,767,872 (GRCm39) E624G probably damaging Het
Cdh10 A G 15: 18,985,251 (GRCm39) D305G probably benign Het
Daxx T C 17: 34,130,393 (GRCm39) L136P probably damaging Het
Fmo1 A T 1: 162,661,200 (GRCm39) L361Q probably damaging Het
Ggcx A G 6: 72,405,803 (GRCm39) S545G probably benign Het
Gm5114 T G 7: 39,057,051 (GRCm39) Y856S probably damaging Het
Grk5 C T 19: 61,080,383 (GRCm39) R576* probably null Het
Hipk3 C A 2: 104,276,916 (GRCm39) V388L probably damaging Het
Htr1f T C 16: 64,747,050 (GRCm39) I81V possibly damaging Het
Kprp G A 3: 92,732,163 (GRCm39) R296W probably damaging Het
Mtf2 T A 5: 108,234,891 (GRCm39) C3S probably damaging Het
Mtmr3 T C 11: 4,437,947 (GRCm39) R836G probably benign Het
Ntrk2 A G 13: 59,007,960 (GRCm39) N241D possibly damaging Het
Or12j2 T A 7: 139,916,219 (GRCm39) I148N possibly damaging Het
Or2y1f G A 11: 49,184,503 (GRCm39) M118I probably damaging Het
Or7g25 A C 9: 19,160,052 (GRCm39) I214M probably damaging Het
Or7g28 G T 9: 19,272,254 (GRCm39) Y132* probably null Het
Pax2 T A 19: 44,823,838 (GRCm39) F366I probably damaging Het
Pira13 A G 7: 3,825,754 (GRCm39) S372P possibly damaging Het
Plekha5 A G 6: 140,489,543 (GRCm39) K316E possibly damaging Het
Ppp4r4 T A 12: 103,564,502 (GRCm39) N8K probably damaging Het
Rnf125 G A 18: 21,110,817 (GRCm39) R25K probably benign Het
Rufy4 T C 1: 74,186,822 (GRCm39) C537R probably damaging Het
Septin1 G A 7: 126,816,200 (GRCm39) P77S probably damaging Het
Sostdc1 C A 12: 36,367,419 (GRCm39) S198R probably benign Het
Sox6 A G 7: 115,179,798 (GRCm39) probably null Het
Spef2 A T 15: 9,679,429 (GRCm39) I636K possibly damaging Het
Stat4 A G 1: 52,113,866 (GRCm39) N192S probably benign Het
Thoc1 A G 18: 9,960,493 (GRCm39) H66R probably benign Het
Tpr A G 1: 150,299,325 (GRCm39) E1101G possibly damaging Het
Trpa1 G T 1: 14,944,676 (GRCm39) H1023N probably benign Het
Tsen15 A T 1: 152,259,460 (GRCm39) D66E probably damaging Het
Tssk3 A G 4: 129,382,994 (GRCm39) V226A possibly damaging Het
Ufl1 T A 4: 25,278,601 (GRCm39) probably null Het
Usp3 A G 9: 66,437,530 (GRCm39) C258R possibly damaging Het
Vmn2r117 TC T 17: 23,698,487 (GRCm39) probably null 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
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
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'- AATGTGTGGTAGTGGGCAGA -3'
(R):5'- ATTTTGCATTCCAACTTCACTACTG -3'

Sequencing Primer
(F):5'- TGGTAGTGGGCAGAGGTATTAAG -3'
(R):5'- AACTTCACTACTGGGGGCTG -3'
Posted On 2015-06-24