Incidental Mutation 'R3848:Orc2'
ID 275730
Institutional Source Beutler Lab
Gene Symbol Orc2
Ensembl Gene ENSMUSG00000026037
Gene Name origin recognition complex, subunit 2
Synonyms Orc2l
MMRRC Submission 040896-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.961) question?
Stock # R3848 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 58501930-58544268 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 58520151 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 225 (T225A)
Ref Sequence ENSEMBL: ENSMUSP00000027198 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027198] [ENSMUST00000114325] [ENSMUST00000114337] [ENSMUST00000190695]
AlphaFold Q60862
Predicted Effect probably benign
Transcript: ENSMUST00000027198
AA Change: T225A

PolyPhen 2 Score 0.076 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000027198
Gene: ENSMUSG00000026037
AA Change: T225A

DomainStartEndE-ValueType
low complexity region 176 201 N/A INTRINSIC
Pfam:ORC2 254 563 2.5e-110 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000114325
AA Change: T177A

PolyPhen 2 Score 0.029 (Sensitivity: 0.95; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000109964
Gene: ENSMUSG00000026037
AA Change: T177A

DomainStartEndE-ValueType
low complexity region 128 153 N/A INTRINSIC
Pfam:ORC2 206 517 1.2e-108 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000114337
AA Change: V318A

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000109976
Gene: ENSMUSG00000026036
AA Change: V318A

DomainStartEndE-ValueType
Pfam:NIF3 31 324 4e-61 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000151723
Predicted Effect probably benign
Transcript: ENSMUST00000190695
Meta Mutation Damage Score 0.0759 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.6%
  • 20x: 95.8%
Validation Efficiency 100% (62/62)
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: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamtsl1 A T 4: 86,336,783 (GRCm39) Q1564L probably damaging Het
Adgrv1 A G 13: 81,588,191 (GRCm39) V4465A probably damaging Het
Als2cl A G 9: 110,718,377 (GRCm39) probably benign Het
Anxa2 G T 9: 69,374,624 (GRCm39) D34Y probably damaging Het
Asic1 A G 15: 99,570,814 (GRCm39) N143S probably benign Het
Catsperb A C 12: 101,475,585 (GRCm39) Q376H probably damaging Het
Cd72 T C 4: 43,452,525 (GRCm39) E132G possibly damaging Het
Cdh16 T C 8: 105,344,473 (GRCm39) D22G possibly damaging Het
Cep170 G A 1: 176,583,409 (GRCm39) A990V probably benign Het
Col15a1 T C 4: 47,289,374 (GRCm39) V48A possibly damaging Het
Col3a1 C A 1: 45,361,150 (GRCm39) P112T unknown Het
Cpeb2 T G 5: 43,394,788 (GRCm39) S64A probably damaging Het
Cplx3 G A 9: 57,515,600 (GRCm39) A425V possibly damaging Het
Ctsc A G 7: 87,958,818 (GRCm39) H366R probably benign Het
Cul5 T G 9: 53,529,286 (GRCm39) M800L probably benign Het
Dst C T 1: 34,251,400 (GRCm39) S4165F probably damaging Het
Efhb A T 17: 53,734,024 (GRCm39) probably benign Het
Fat4 T A 3: 39,061,410 (GRCm39) V4331D probably benign Het
Fbxl8 T C 8: 105,993,781 (GRCm39) S46P probably benign Het
Fbxo38 G A 18: 62,648,144 (GRCm39) S798F possibly damaging Het
Fggy T C 4: 95,489,361 (GRCm39) probably benign Het
Foxp4 A G 17: 48,186,453 (GRCm39) I442T unknown Het
Gm13941 T C 2: 110,935,198 (GRCm39) M11V unknown Het
Hoxd8 A G 2: 74,535,929 (GRCm39) Y13C possibly damaging Het
Hsf4 T C 8: 105,997,469 (GRCm39) F101L probably damaging Het
Jph2 G A 2: 163,181,332 (GRCm39) P611S probably benign Het
Kifbp A G 10: 62,405,249 (GRCm39) Y64H probably damaging Het
Kndc1 T C 7: 139,488,893 (GRCm39) S183P probably damaging Het
L3mbtl1 A G 2: 162,790,121 (GRCm39) E132G probably damaging Het
Lmo7 A G 14: 102,159,531 (GRCm39) probably null Het
Lrpprc T C 17: 85,078,355 (GRCm39) I308V probably benign Het
Mei1 T C 15: 81,997,218 (GRCm39) probably benign Het
Mki67 A C 7: 135,297,859 (GRCm39) S2392A probably benign Het
Naip2 A T 13: 100,315,940 (GRCm39) L280Q probably damaging Het
Naip2 G C 13: 100,315,941 (GRCm39) L280V probably damaging Het
Nek1 T A 8: 61,525,349 (GRCm39) F596I probably damaging Het
Or51v8 A G 7: 103,319,908 (GRCm39) V110A probably damaging Het
Or52e8b A G 7: 104,673,539 (GRCm39) V216A probably damaging Het
Or8u10 A T 2: 85,915,751 (GRCm39) Y123* probably null Het
P2ry1 G A 3: 60,910,880 (GRCm39) W6* probably null Het
Pam T A 1: 97,782,481 (GRCm39) probably benign Het
Pigt G A 2: 164,340,500 (GRCm39) probably benign Het
Pik3c2a A T 7: 115,963,785 (GRCm39) C71* probably null Het
Plcxd2 T C 16: 45,792,629 (GRCm39) T237A probably damaging Het
Pnrc1 T C 4: 33,246,252 (GRCm39) K236E probably damaging Het
Ppargc1b T A 18: 61,444,113 (GRCm39) D350V probably damaging Het
Rapgef6 T C 11: 54,582,134 (GRCm39) S1349P probably damaging Het
Rnf17 T C 14: 56,749,753 (GRCm39) V1433A probably damaging Het
Sell A T 1: 163,893,230 (GRCm39) K149* probably null Het
Sidt1 A G 16: 44,076,322 (GRCm39) probably benign Het
Slc6a5 C G 7: 49,577,306 (GRCm39) probably benign Het
Slc7a14 A T 3: 31,291,623 (GRCm39) N218K probably damaging Het
Spice1 C T 16: 44,199,254 (GRCm39) R569* probably null Het
Stk35 G T 2: 129,642,656 (GRCm39) A66S probably benign Het
Tmem245 A G 4: 56,926,298 (GRCm39) probably benign Het
Tnxb A C 17: 34,909,369 (GRCm39) R1632S possibly damaging Het
Ttc6 G A 12: 57,723,932 (GRCm39) R1020H probably damaging Het
Ugcg C T 4: 59,207,798 (GRCm39) P46S probably benign Het
Vmn2r105 A G 17: 20,428,952 (GRCm39) I708T possibly damaging Het
Vmn2r117 G T 17: 23,679,389 (GRCm39) H612N probably damaging Het
Vmn2r15 A T 5: 109,445,312 (GRCm39) D37E probably benign Het
Zbtb41 T A 1: 139,351,734 (GRCm39) H282Q probably benign Het
Zfp687 T C 3: 94,915,225 (GRCm39) D1092G 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
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
R6934:Orc2 UTSW 1 58,539,523 (GRCm39) missense probably benign 0.28
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'- ACTGACCGTGACTATGTACCCAG -3'
(R):5'- TCCTACAGCGTCAAGGTCTC -3'

Sequencing Primer
(F):5'- ACAAGTATGTGTGGGAATTCATG -3'
(R):5'- CAGCGTCAAGGTCTCATTATGACAG -3'
Posted On 2015-04-06