Incidental Mutation 'R4322:Orc1'
ID 323864
Institutional Source Beutler Lab
Gene Symbol Orc1
Ensembl Gene ENSMUSG00000028587
Gene Name origin recognition complex, subunit 1
Synonyms MmORC1, Orc1l
MMRRC Submission 041093-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4322 (G1)
Quality Score 211
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: 99.3%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.8%
Validation Efficiency 94% (48/51)
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
Actrt2 G A 4: 154,751,701 (GRCm39) A145V probably damaging Het
Allc C A 12: 28,604,023 (GRCm39) L353F probably benign Het
Alx3 C T 3: 107,502,691 (GRCm39) P67L probably benign Het
Arhgef10l C A 4: 140,270,037 (GRCm39) G882V probably benign Het
Asb13 G T 13: 3,695,012 (GRCm39) R160L possibly damaging Het
Atxn7l2 A T 3: 108,113,148 (GRCm39) D218E probably damaging Het
Bdp1 T A 13: 100,228,731 (GRCm39) N299I probably damaging Het
Ccdc80 G T 16: 44,915,951 (GRCm39) V236L probably damaging Het
Cdhr2 A T 13: 54,881,534 (GRCm39) I1085L probably benign Het
Csn2 C T 5: 87,845,886 (GRCm39) probably null Het
Dnajb14 G A 3: 137,591,060 (GRCm39) G54S probably damaging Het
Fyb1 T A 15: 6,610,300 (GRCm39) L291Q possibly damaging Het
Ggcx A G 6: 72,405,803 (GRCm39) S545G probably benign Het
Gm12250 G A 11: 58,079,126 (GRCm39) noncoding transcript Het
Hipk3 C A 2: 104,276,916 (GRCm39) V388L probably damaging Het
Hjurp G C 1: 88,204,937 (GRCm39) probably benign Het
Kng1 A C 16: 22,898,270 (GRCm39) M557L probably benign Het
Lilrb4a T C 10: 51,367,707 (GRCm39) F83S probably damaging Het
Lmcd1 A G 6: 112,292,724 (GRCm39) E192G possibly damaging Het
Lrp2 C A 2: 69,256,335 (GRCm39) E4602* probably null Het
Mc4r T C 18: 66,992,121 (GRCm39) R331G probably benign Het
Mybpc3 A G 2: 90,954,306 (GRCm39) D393G possibly damaging Het
Or2y1f G A 11: 49,184,503 (GRCm39) M118I probably damaging Het
Or4c10b A G 2: 89,712,078 (GRCm39) K303E probably benign Het
Or5p69 C T 7: 107,967,555 (GRCm39) P286L probably damaging Het
Pira13 A G 7: 3,825,754 (GRCm39) S372P possibly damaging Het
Pot1a T C 6: 25,745,929 (GRCm39) T591A probably benign 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
Sh3rf2 A T 18: 42,244,464 (GRCm39) H310L probably damaging Het
Shld2 G T 14: 33,981,632 (GRCm39) T502K probably damaging Het
Srgap1 T C 10: 121,705,711 (GRCm39) K238E probably damaging Het
Ssc5d C T 7: 4,931,449 (GRCm39) R219C probably damaging Het
Them5 C A 3: 94,253,463 (GRCm39) H158N probably damaging Het
Vmn1r203 A T 13: 22,708,408 (GRCm39) N63I probably damaging Het
Vps41 T A 13: 19,007,960 (GRCm39) F264L probably damaging Het
Vtn A T 11: 78,390,916 (GRCm39) probably benign 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
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'- TAAATGTGTGGTAGTGGGCAGA -3'
(R):5'- TTTGCATTCCAACTTCACTACTG -3'

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