Incidental Mutation 'R6533:Orc1'
ID 520178
Institutional Source Beutler Lab
Gene Symbol Orc1
Ensembl Gene ENSMUSG00000028587
Gene Name origin recognition complex, subunit 1
Synonyms MmORC1, Orc1l
MMRRC Submission 044659-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6533 (G1)
Quality Score 225.009
Status Validated
Chromosome 4
Chromosomal Location 108436651-108472030 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 108454644 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 345 (S345P)
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: S345P

PolyPhen 2 Score 0.051 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000099805
Gene: ENSMUSG00000028587
AA Change: S345P

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.4%
  • 20x: 98.2%
Validation Efficiency 100% (44/44)
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: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700010B08Rik C T 2: 173,561,628 (GRCm39) probably benign Het
4932414N04Rik G T 2: 68,546,662 (GRCm39) E115* probably null Het
Abhd16a G A 17: 35,317,785 (GRCm39) probably null Het
Ankrd28 T A 14: 31,454,041 (GRCm39) I244L possibly damaging Het
Barx2 T C 9: 31,824,275 (GRCm39) Y38C probably damaging Het
Btn2a2 C A 13: 23,665,951 (GRCm39) E294* probably null Het
Ceacam2 C G 7: 25,230,136 (GRCm39) V157L probably benign Het
Ces2c T A 8: 105,578,725 (GRCm39) F334L possibly damaging Het
Col7a1 T C 9: 108,790,426 (GRCm39) I958T unknown Het
Dcp2 T A 18: 44,532,731 (GRCm39) D82E probably benign Het
Dnah8 T C 17: 30,965,964 (GRCm39) L2432S probably damaging Het
Dst A G 1: 34,342,590 (GRCm39) D7582G probably benign Het
Fat3 T A 9: 15,910,195 (GRCm39) I1936L probably benign Het
Gsdmc4 T A 15: 63,763,909 (GRCm39) N396I probably damaging Het
Lonrf2 A C 1: 38,852,349 (GRCm39) D167E probably benign Het
Marf1 T C 16: 13,933,663 (GRCm39) D1575G probably benign Het
Med23 T C 10: 24,769,518 (GRCm39) L101P probably damaging Het
Myh3 A G 11: 66,981,245 (GRCm39) I703V probably damaging Het
Ncan G A 8: 70,549,007 (GRCm39) A1257V probably benign Het
Nipal4 A T 11: 46,041,234 (GRCm39) Y320* probably null Het
Obox5 A T 7: 15,491,532 (GRCm39) Q24L probably benign Het
P4hb A T 11: 120,462,469 (GRCm39) I79N probably damaging Het
Phf3 A T 1: 30,845,399 (GRCm39) I1262N probably damaging Het
Pigo A T 4: 43,022,697 (GRCm39) N291K probably benign Het
Ppargc1b C T 18: 61,440,845 (GRCm39) R691H possibly damaging Het
Ppm1m T C 9: 106,074,069 (GRCm39) probably benign Het
Ptprd A T 4: 76,046,765 (GRCm39) D500E probably damaging Het
Rab3gap2 T A 1: 184,965,151 (GRCm39) probably null Het
Rnf214 A G 9: 45,811,361 (GRCm39) S101P probably benign Het
Sdhc A G 1: 170,957,396 (GRCm39) S162P possibly damaging Het
Spta1 C T 1: 174,071,713 (GRCm39) T2231I probably damaging Het
Stxbp2 T A 8: 3,692,683 (GRCm39) D578E probably benign Het
Tacc2 A T 7: 130,224,567 (GRCm39) E417D possibly damaging Het
Tas2r144 A T 6: 42,192,280 (GRCm39) N7Y probably benign Het
Tasp1 A G 2: 139,676,277 (GRCm39) *421R probably null Het
Tigd5 A G 15: 75,782,039 (GRCm39) I134V possibly damaging Het
Tmem95 A T 11: 69,768,843 (GRCm39) M1K probably null Het
Trappc10 T C 10: 78,024,728 (GRCm39) M1134V probably damaging Het
Unc45a T G 7: 79,983,817 (GRCm39) K326N probably damaging Het
Vmn1r59 A G 7: 5,457,463 (GRCm39) V99A probably benign Het
Vmn2r4 T C 3: 64,322,519 (GRCm39) T67A probably benign Het
Vmn2r85 A T 10: 130,262,529 (GRCm39) M70K probably benign Het
Zftraf1 C A 15: 76,531,930 (GRCm39) E283* probably null Het
Zkscan8 A G 13: 21,704,748 (GRCm39) F325S 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
R6504:Orc1 UTSW 4 108,447,914 (GRCm39) missense probably benign 0.15
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'- GCCCTCTTCAGCTTTGGAAAC -3'
(R):5'- TCCTAGAGCTCTGTTGTGAAACC -3'

Sequencing Primer
(F):5'- CTTCAGCTTTGGAAACTCGAG -3'
(R):5'- AGACGAGGCTAGTACGTGTCTCTC -3'
Posted On 2018-06-06