Incidental Mutation 'R6934:Orc2'
ID 540185
Institutional Source Beutler Lab
Gene Symbol Orc2
Ensembl Gene ENSMUSG00000026037
Gene Name origin recognition complex, subunit 2
Synonyms Orc2l
MMRRC Submission 045049-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.961) question?
Stock # R6934 (G1)
Quality Score 225.009
Status Not validated
Chromosome 1
Chromosomal Location 58501930-58544268 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 58539523 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Glutamic Acid at position 39 (K39E)
Ref Sequence ENSEMBL: ENSMUSP00000141138 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027198] [ENSMUST00000114325] [ENSMUST00000190695] [ENSMUST00000191206]
AlphaFold Q60862
Predicted Effect probably benign
Transcript: ENSMUST00000027198
AA Change: K39E

PolyPhen 2 Score 0.280 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000027198
Gene: ENSMUSG00000026037
AA Change: K39E

DomainStartEndE-ValueType
low complexity region 176 201 N/A INTRINSIC
Pfam:ORC2 254 563 2.5e-110 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000114325
SMART Domains Protein: ENSMUSP00000109964
Gene: ENSMUSG00000026037

DomainStartEndE-ValueType
low complexity region 128 153 N/A INTRINSIC
Pfam:ORC2 206 517 1.2e-108 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000190695
Predicted Effect probably benign
Transcript: ENSMUST00000191206
AA Change: K39E

PolyPhen 2 Score 0.280 (Sensitivity: 0.91; Specificity: 0.88)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.3%
  • 20x: 97.9%
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 a subunit of the ORC complex. This protein forms a core complex with ORC3, -4, and -5. It also interacts with CDC45 and MCM10, which are proteins known to be important for the initiation of DNA replication. This protein has been demonstrated to specifically associate with the origin of replication of Epstein-Barr virus in human cells, and is thought to be required for DNA replication from viral origin of replication. Alternatively spliced transcript variants have been found, one of which is a nonsense-mediated mRNA decay candidate. [provided by RefSeq, Oct 2010]
Allele List at MGI
Other mutations in this stock
Total: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700018B08Rik T A 8: 122,266,712 (GRCm39) Y58F probably benign Het
Asap2 T C 12: 21,218,251 (GRCm39) V58A probably damaging Het
Bccip A G 7: 133,322,520 (GRCm39) M289V probably benign Het
Bhmt2 A T 13: 93,798,819 (GRCm39) I334N probably benign Het
Copa T A 1: 171,938,253 (GRCm39) I513N possibly damaging Het
Cspg4b T C 13: 113,505,800 (GRCm39) S2310P probably benign Het
Ctif G A 18: 75,568,431 (GRCm39) T569M probably benign Het
Dennd1a A T 2: 37,691,225 (GRCm39) M231K possibly damaging Het
Dnah3 A G 7: 119,653,824 (GRCm39) probably null Het
Fat3 T C 9: 16,288,252 (GRCm39) I424V probably damaging Het
Foxred2 G T 15: 77,836,530 (GRCm39) C328* probably null Het
Gemin5 A T 11: 58,038,738 (GRCm39) H590Q probably damaging Het
Gm5475 T C 15: 100,325,007 (GRCm39) probably benign Het
Gmip A G 8: 70,273,576 (GRCm39) T956A probably benign Het
Hmbox1 A T 14: 65,134,281 (GRCm39) D106E probably benign Het
Irs2 A T 8: 11,054,697 (GRCm39) I1245N probably damaging Het
Kcnk1 A G 8: 126,752,129 (GRCm39) Y245C probably damaging Het
Krtap4-9 A T 11: 99,676,708 (GRCm39) R210* probably null Het
Lama1 A G 17: 68,081,538 (GRCm39) D1325G probably benign Het
Lyz3 C T 10: 117,074,413 (GRCm39) D25N probably benign Het
Mep1a A T 17: 43,793,121 (GRCm39) V361E probably damaging Het
Mrgprx2 A G 7: 48,131,813 (GRCm39) I92T possibly damaging Het
Nup214 A T 2: 31,872,683 (GRCm39) R242* probably null Het
Nynrin T G 14: 56,101,335 (GRCm39) S335A probably benign Het
Or13a24 T G 7: 140,154,564 (GRCm39) L166R probably damaging Het
Or5p60 A G 7: 107,724,026 (GRCm39) V148A probably benign Het
Or8b1c T G 9: 38,384,472 (GRCm39) I143S probably benign Het
Ppl C T 16: 4,912,373 (GRCm39) G736D probably benign Het
Ppp2r1a A G 17: 21,181,895 (GRCm39) E471G possibly damaging Het
Prrc2c G A 1: 162,548,074 (GRCm39) P161S probably benign Het
Rnf213 A G 11: 119,310,893 (GRCm39) I804V probably benign Het
Saal1 A G 7: 46,352,088 (GRCm39) C144R probably benign Het
Slc29a4 G A 5: 142,698,713 (GRCm39) V125I probably benign Het
Smarcc2 A G 10: 128,305,541 (GRCm39) T322A probably benign Het
Srgap2 A T 1: 131,244,969 (GRCm39) M591K possibly damaging Het
Stard9 A G 2: 120,528,176 (GRCm39) I1478V probably benign Het
Tet2 A G 3: 133,188,998 (GRCm39) probably null Het
Tmem150c C T 5: 100,243,465 (GRCm39) probably null Het
Tmem39b T A 4: 129,572,366 (GRCm39) H412L possibly damaging Het
Tox A C 4: 6,697,635 (GRCm39) H389Q probably damaging Het
Trank1 T C 9: 111,202,158 (GRCm39) I1595T probably damaging Het
Vmn2r-ps117 T G 17: 19,044,967 (GRCm39) Y461* probably null Het
Vps13a T C 19: 16,653,558 (GRCm39) H1941R probably damaging Het
Other mutations in Orc2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00434:Orc2 APN 1 58,532,875 (GRCm39) missense possibly damaging 0.81
IGL00549:Orc2 APN 1 58,520,201 (GRCm39) missense probably benign 0.00
IGL01343:Orc2 APN 1 58,532,014 (GRCm39) critical splice donor site probably null
IGL01357:Orc2 APN 1 58,536,552 (GRCm39) missense probably benign 0.00
IGL01357:Orc2 APN 1 58,536,551 (GRCm39) missense probably benign 0.26
IGL02167:Orc2 APN 1 58,522,798 (GRCm39) unclassified probably benign
IGL02343:Orc2 APN 1 58,508,825 (GRCm39) critical splice donor site probably null
IGL02548:Orc2 APN 1 58,505,281 (GRCm39) unclassified probably benign
R0557:Orc2 UTSW 1 58,508,846 (GRCm39) missense probably damaging 1.00
R1470:Orc2 UTSW 1 58,520,317 (GRCm39) unclassified probably benign
R1886:Orc2 UTSW 1 58,510,247 (GRCm39) critical splice acceptor site probably null
R2065:Orc2 UTSW 1 58,508,854 (GRCm39) missense probably damaging 1.00
R3848:Orc2 UTSW 1 58,520,151 (GRCm39) missense probably benign 0.08
R4389:Orc2 UTSW 1 58,514,020 (GRCm39) missense probably benign 0.21
R4393:Orc2 UTSW 1 58,506,809 (GRCm39) critical splice donor site probably null
R4613:Orc2 UTSW 1 58,539,468 (GRCm39) nonsense probably null
R5183:Orc2 UTSW 1 58,513,977 (GRCm39) missense possibly damaging 0.83
R5652:Orc2 UTSW 1 58,505,231 (GRCm39) missense probably damaging 0.99
R5793:Orc2 UTSW 1 58,536,547 (GRCm39) start codon destroyed probably null 0.27
R5997:Orc2 UTSW 1 58,511,547 (GRCm39) missense probably damaging 1.00
R6007:Orc2 UTSW 1 58,506,851 (GRCm39) missense probably benign 0.03
R6330:Orc2 UTSW 1 58,539,493 (GRCm39) missense probably benign
R6656:Orc2 UTSW 1 58,532,818 (GRCm39) critical splice donor site probably null
R6923:Orc2 UTSW 1 58,539,534 (GRCm39) missense probably benign 0.01
R7354:Orc2 UTSW 1 58,508,906 (GRCm39) missense possibly damaging 0.96
R7718:Orc2 UTSW 1 58,519,476 (GRCm39) missense possibly damaging 0.65
R7950:Orc2 UTSW 1 58,506,827 (GRCm39) missense possibly damaging 0.64
R8820:Orc2 UTSW 1 58,515,639 (GRCm39) missense probably benign 0.30
R8858:Orc2 UTSW 1 58,532,857 (GRCm39) missense probably benign 0.28
R8956:Orc2 UTSW 1 58,505,221 (GRCm39) missense probably damaging 0.98
R8978:Orc2 UTSW 1 58,511,499 (GRCm39) missense possibly damaging 0.82
R9126:Orc2 UTSW 1 58,515,628 (GRCm39) missense probably benign 0.41
R9210:Orc2 UTSW 1 58,515,695 (GRCm39) missense probably damaging 1.00
R9212:Orc2 UTSW 1 58,515,695 (GRCm39) missense probably damaging 1.00
R9406:Orc2 UTSW 1 58,506,842 (GRCm39) missense probably damaging 1.00
R9746:Orc2 UTSW 1 58,536,610 (GRCm39) missense probably damaging 1.00
Z1088:Orc2 UTSW 1 58,515,675 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- TTCACGTTACTAGCCGAAAGC -3'
(R):5'- ACTGACCCTGCGTTTAGTGTG -3'

Sequencing Primer
(F):5'- CGAAAGCTGGGTGTGTGTCAC -3'
(R):5'- CATGTAATATGCACATGGTGGTCAG -3'
Posted On 2018-11-06