Incidental Mutation 'R1781:Prex2'
ID 195248
Institutional Source Beutler Lab
Gene Symbol Prex2
Ensembl Gene ENSMUSG00000048960
Gene Name phosphatidylinositol-3,4,5-trisphosphate-dependent Rac exchange factor 2
Synonyms C030045D06Rik, 6230420N16Rik, Depdc2
MMRRC Submission 039812-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.229) question?
Stock # R1781 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 11063689-11373905 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 11270179 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Isoleucine at position 1288 (N1288I)
Ref Sequence ENSEMBL: ENSMUSP00000027056 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027056]
AlphaFold Q3LAC4
Predicted Effect probably benign
Transcript: ENSMUST00000027056
AA Change: N1288I

PolyPhen 2 Score 0.170 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000027056
Gene: ENSMUSG00000048960
AA Change: N1288I

DomainStartEndE-ValueType
RhoGEF 19 205 8.61e-45 SMART
PH 238 355 2.43e-12 SMART
DEP 383 456 4.46e-26 SMART
DEP 484 557 6.57e-15 SMART
PDZ 593 666 9.62e-2 SMART
PDZ 677 744 6.37e-8 SMART
low complexity region 1112 1127 N/A INTRINSIC
low complexity region 1498 1507 N/A INTRINSIC
Meta Mutation Damage Score 0.0609 question?
Coding Region Coverage
  • 1x: 97.3%
  • 3x: 96.7%
  • 10x: 94.6%
  • 20x: 90.1%
Validation Efficiency 97% (88/91)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene belongs to the phosphatidylinositol 3,4,5-trisphosphate (PIP3)-dependent Rac exchanger (PREX) family, which are Dbl-type guanine-nucleotide exchange factors for Rac family small G proteins. Structural domains of this protein include the catalytic diffuse B-cell lymphoma homology and pleckstrin homology (DHPH) domain, two disheveled, EGL-10, and pleckstrin homology (DEP) domains, two PDZ domains, and a C-terminal inositol polyphosphate-4 phosphatase (IP4P) domain that is found in one of the isoforms. This protein facilitates the exchange of GDP for GTP on Rac1, allowing the GTP-bound Rac1 to activate downstream effectors. Studies also show that the pleckstrin homology domain of this protein interacts with the phosphatase and tensin homolog (PTEN) gene product to inhibit PTEN phosphatase activity, thus activating the phosphoinositide-3 kinase (PI3K) signaling pathway. Conversely, the PTEN gene product has also been shown to inhibit the GEF activity of this protein. This gene plays a role in insulin-signaling pathways, and either mutations or overexpression of this gene have been observed in some cancers. [provided by RefSeq, Apr 2016]
PHENOTYPE: Mice homozygous for gene trapped alleles may exhibit abnormal Purkinje cell dendrite morphology, a mild motor coordination defect that progressively worsens with age, hypoactivity, impaired glucose tolerance and/or insulin resistance. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 90 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl2 A G 3: 59,932,117 (GRCm39) K211E probably damaging Het
Abca13 T A 11: 9,219,194 (GRCm39) L376Q probably damaging Het
Abca17 T C 17: 24,486,531 (GRCm39) T1499A possibly damaging Het
Anks6 A C 4: 47,043,639 (GRCm39) N363K possibly damaging Het
Apob T A 12: 8,059,603 (GRCm39) I2695N possibly damaging Het
Arhgef18 C T 8: 3,430,495 (GRCm39) R123W probably damaging Het
Atg14 T A 14: 47,786,607 (GRCm39) probably null Het
Atg2a A T 19: 6,306,243 (GRCm39) I1368F probably damaging Het
Btbd9 A G 17: 30,732,567 (GRCm39) S373P probably damaging Het
Ccdc83 T C 7: 89,899,749 (GRCm39) E41G probably damaging Het
Ccnh T C 13: 85,354,254 (GRCm39) S233P possibly damaging Het
Cdh8 T C 8: 99,917,094 (GRCm39) probably null Het
Cdh8 A T 8: 100,006,290 (GRCm39) I99N probably damaging Het
Cdr2 G A 7: 120,557,268 (GRCm39) P419L probably benign Het
Cds1 T A 5: 101,960,416 (GRCm39) I289K possibly damaging Het
Cherp G A 8: 73,221,615 (GRCm39) T394I probably damaging Het
Cyp4f17 T G 17: 32,742,993 (GRCm39) I222S possibly damaging Het
Dcc A G 18: 71,511,788 (GRCm39) S856P probably benign Het
Dcp1a C T 14: 30,235,032 (GRCm39) T221I probably benign Het
Ddx10 A G 9: 53,118,845 (GRCm39) S475P probably damaging Het
Dennd5b G T 6: 148,928,896 (GRCm39) A759E probably damaging Het
Disp2 G A 2: 118,623,042 (GRCm39) G1258D probably damaging Het
Fhdc1 A T 3: 84,356,111 (GRCm39) D444E probably damaging Het
Fhod1 T C 8: 106,074,421 (GRCm39) probably benign Het
Gcnt7 T C 2: 172,296,800 (GRCm39) K8R probably benign Het
Gk5 C T 9: 96,015,508 (GRCm39) T108I possibly damaging Het
Gm8214 C A 1: 183,414,129 (GRCm39) noncoding transcript Het
Gnl1 A T 17: 36,298,638 (GRCm39) I434F probably damaging Het
Golga2 T C 2: 32,196,588 (GRCm39) Y986H probably damaging Het
Gpr21 T C 2: 37,407,550 (GRCm39) V32A probably benign Het
Grb14 A T 2: 64,805,899 (GRCm39) probably null Het
H6pd A T 4: 150,080,388 (GRCm39) F144L probably damaging Het
Hunk A G 16: 90,229,448 (GRCm39) Y27C probably damaging Het
Ints7 C T 1: 191,328,396 (GRCm39) T223M possibly damaging Het
Kcnmb2 T C 3: 32,233,152 (GRCm39) probably null Het
Lilra6 A T 7: 3,918,066 (GRCm39) L26H probably benign Het
Mc4r A T 18: 66,992,918 (GRCm39) V65E probably damaging Het
Mgam G A 6: 40,646,797 (GRCm39) G708R probably damaging Het
Mllt6 A G 11: 97,563,395 (GRCm39) D326G probably benign Het
Myo7a A T 7: 97,722,331 (GRCm39) V1198D probably damaging Het
Nampt T C 12: 32,883,037 (GRCm39) V74A probably damaging Het
Nlrp4b G C 7: 10,449,266 (GRCm39) V123L probably benign Het
Ntpcr T A 8: 126,472,141 (GRCm39) L150Q probably damaging Het
Obscn C T 11: 58,997,163 (GRCm39) E1513K probably damaging Het
Ola1 T C 2: 72,987,099 (GRCm39) K178E possibly damaging Het
Opalin T C 19: 41,056,070 (GRCm39) probably null Het
Or10g6 A G 9: 39,934,541 (GRCm39) N284S probably damaging Het
Or13a20 A T 7: 140,232,419 (GRCm39) I176F probably damaging Het
Or2ad1 C T 13: 21,326,934 (GRCm39) V98I probably benign Het
Or2w2 C T 13: 21,757,711 (GRCm39) G305D probably damaging Het
Or3a10 A T 11: 73,935,786 (GRCm39) F105I probably damaging Het
Or51ah3 C T 7: 103,209,773 (GRCm39) P30S probably benign Het
Or52ae9 T C 7: 103,390,028 (GRCm39) M140V probably benign Het
Or52e15 A T 7: 104,645,315 (GRCm39) F265L possibly damaging Het
Or5p62 A G 7: 107,771,090 (GRCm39) V287A probably benign Het
Or7a35 T C 10: 78,853,159 (GRCm39) M1T probably null Het
P2ry12 A G 3: 59,125,199 (GRCm39) F159L probably benign Het
Paqr7 T C 4: 134,234,592 (GRCm39) probably null Het
Parp1 T C 1: 180,415,578 (GRCm39) S466P probably benign Het
Parp4 T A 14: 56,864,838 (GRCm39) probably null Het
Pcdh1 T C 18: 38,322,977 (GRCm39) D952G probably damaging Het
Pde6c T C 19: 38,140,146 (GRCm39) S336P possibly damaging Het
Pgk2 T C 17: 40,519,398 (GRCm39) D10G probably benign Het
Phf20l1 A G 15: 66,504,674 (GRCm39) T771A probably damaging Het
Pkdrej A G 15: 85,705,372 (GRCm39) V188A possibly damaging Het
Plekhm1 A G 11: 103,285,682 (GRCm39) L251P probably damaging Het
Sarnp T C 10: 128,669,191 (GRCm39) L16P probably damaging Het
Scgb3a2 T C 18: 43,900,033 (GRCm39) probably benign Het
Scn11a A T 9: 119,584,148 (GRCm39) I1489N probably damaging Het
Scn3a A T 2: 65,302,729 (GRCm39) L1239Q probably damaging Het
Shisa9 T C 16: 12,085,521 (GRCm39) S377P probably benign Het
Slc22a30 T A 19: 8,313,136 (GRCm39) T550S probably damaging Het
Slc25a11 T C 11: 70,535,651 (GRCm39) T296A probably benign Het
Slc35f1 T A 10: 52,938,532 (GRCm39) probably null Het
Slc6a13 A G 6: 121,311,811 (GRCm39) E396G probably damaging Het
Spata31d1c T C 13: 65,183,985 (GRCm39) I509T probably benign Het
Srsf9 C A 5: 115,465,481 (GRCm39) Y9* probably null Het
Tasor2 T C 13: 3,634,759 (GRCm39) T683A possibly damaging Het
Tbx20 T C 9: 24,636,795 (GRCm39) I431V probably benign Het
Tespa1 G A 10: 130,184,119 (GRCm39) G67S probably benign Het
Trhde A T 10: 114,424,405 (GRCm39) V460E possibly damaging Het
Trip12 A T 1: 84,708,342 (GRCm39) F1739I probably benign Het
Ugcg C T 4: 59,207,798 (GRCm39) P46S probably benign Het
Umodl1 G A 17: 31,187,524 (GRCm39) R196H probably damaging Het
Vezf1 G T 11: 87,972,447 (GRCm39) M269I probably benign Het
Vmn1r35 A T 6: 66,656,550 (GRCm39) M40K probably benign Het
Vmn1r9 G T 6: 57,048,300 (GRCm39) C125F probably benign Het
Vmn2r12 C A 5: 109,239,594 (GRCm39) G323V probably benign Het
Vmn2r79 A T 7: 86,651,555 (GRCm39) H318L probably benign Het
Zfhx3 T A 8: 109,520,167 (GRCm39) S430T probably benign Het
Other mutations in Prex2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00497:Prex2 APN 1 11,256,876 (GRCm39) missense possibly damaging 0.51
IGL00948:Prex2 APN 1 11,240,838 (GRCm39) missense probably damaging 0.98
IGL01087:Prex2 APN 1 11,138,328 (GRCm39) missense probably benign 0.00
IGL01490:Prex2 APN 1 11,254,769 (GRCm39) splice site probably null
IGL01533:Prex2 APN 1 11,256,965 (GRCm39) nonsense probably null
IGL01661:Prex2 APN 1 11,278,838 (GRCm39) missense probably benign 0.01
IGL01668:Prex2 APN 1 11,223,869 (GRCm39) missense probably benign 0.00
IGL01674:Prex2 APN 1 11,240,965 (GRCm39) missense probably damaging 1.00
IGL01716:Prex2 APN 1 11,336,278 (GRCm39) missense probably benign 0.04
IGL01867:Prex2 APN 1 11,168,727 (GRCm39) missense probably benign 0.11
IGL01954:Prex2 APN 1 11,210,235 (GRCm39) missense possibly damaging 0.75
IGL01990:Prex2 APN 1 11,193,457 (GRCm39) splice site probably benign
IGL02022:Prex2 APN 1 11,367,963 (GRCm39) missense probably benign 0.04
IGL02130:Prex2 APN 1 11,230,386 (GRCm39) missense probably damaging 1.00
IGL02130:Prex2 APN 1 11,183,023 (GRCm39) missense probably damaging 1.00
IGL02221:Prex2 APN 1 11,131,569 (GRCm39) missense probably benign 0.00
IGL02369:Prex2 APN 1 11,171,393 (GRCm39) critical splice donor site probably null
IGL02440:Prex2 APN 1 11,223,881 (GRCm39) missense possibly damaging 0.94
IGL02477:Prex2 APN 1 11,274,378 (GRCm39) missense probably benign
IGL02492:Prex2 APN 1 11,194,069 (GRCm39) missense possibly damaging 0.93
IGL03051:Prex2 APN 1 11,212,889 (GRCm39) missense probably damaging 1.00
IGL03154:Prex2 APN 1 11,223,857 (GRCm39) missense possibly damaging 0.63
IGL03158:Prex2 APN 1 11,336,291 (GRCm39) missense possibly damaging 0.89
IGL03308:Prex2 APN 1 11,255,399 (GRCm39) missense possibly damaging 0.89
IGL03338:Prex2 APN 1 11,210,489 (GRCm39) missense probably benign 0.01
R0042:Prex2 UTSW 1 11,150,305 (GRCm39) missense probably damaging 1.00
R0052:Prex2 UTSW 1 11,230,380 (GRCm39) missense probably damaging 1.00
R0052:Prex2 UTSW 1 11,230,380 (GRCm39) missense probably damaging 1.00
R0138:Prex2 UTSW 1 11,355,267 (GRCm39) splice site probably benign
R0206:Prex2 UTSW 1 11,355,368 (GRCm39) missense probably damaging 1.00
R0206:Prex2 UTSW 1 11,355,368 (GRCm39) missense probably damaging 1.00
R0208:Prex2 UTSW 1 11,355,368 (GRCm39) missense probably damaging 1.00
R0325:Prex2 UTSW 1 11,270,281 (GRCm39) splice site probably null
R0326:Prex2 UTSW 1 11,355,289 (GRCm39) missense probably damaging 1.00
R0390:Prex2 UTSW 1 11,159,930 (GRCm39) splice site probably null
R0492:Prex2 UTSW 1 11,256,857 (GRCm39) splice site probably benign
R0512:Prex2 UTSW 1 11,270,157 (GRCm39) missense probably benign
R0515:Prex2 UTSW 1 11,270,098 (GRCm39) missense probably damaging 0.99
R0894:Prex2 UTSW 1 11,252,122 (GRCm39) missense probably benign
R1259:Prex2 UTSW 1 11,359,494 (GRCm39) missense probably damaging 1.00
R1332:Prex2 UTSW 1 11,274,315 (GRCm39) missense probably damaging 1.00
R1356:Prex2 UTSW 1 11,150,316 (GRCm39) nonsense probably null
R1451:Prex2 UTSW 1 11,226,483 (GRCm39) missense probably benign 0.01
R1488:Prex2 UTSW 1 11,263,752 (GRCm39) missense probably benign 0.05
R1512:Prex2 UTSW 1 11,131,554 (GRCm39) missense possibly damaging 0.64
R1641:Prex2 UTSW 1 11,301,996 (GRCm39) missense probably damaging 0.99
R1667:Prex2 UTSW 1 11,256,981 (GRCm39) missense probably benign
R1678:Prex2 UTSW 1 11,355,313 (GRCm39) missense possibly damaging 0.51
R1736:Prex2 UTSW 1 11,160,108 (GRCm39) splice site probably benign
R1804:Prex2 UTSW 1 11,202,566 (GRCm39) missense probably damaging 1.00
R1836:Prex2 UTSW 1 11,207,004 (GRCm39) missense probably damaging 1.00
R1899:Prex2 UTSW 1 11,232,590 (GRCm39) nonsense probably null
R1900:Prex2 UTSW 1 11,232,590 (GRCm39) nonsense probably null
R2020:Prex2 UTSW 1 11,232,536 (GRCm39) missense probably damaging 0.98
R2114:Prex2 UTSW 1 11,256,937 (GRCm39) missense probably damaging 1.00
R2117:Prex2 UTSW 1 11,256,937 (GRCm39) missense probably damaging 1.00
R2436:Prex2 UTSW 1 11,336,376 (GRCm39) missense possibly damaging 0.90
R2902:Prex2 UTSW 1 11,278,838 (GRCm39) missense possibly damaging 0.77
R2915:Prex2 UTSW 1 11,240,077 (GRCm39) missense probably damaging 1.00
R2924:Prex2 UTSW 1 11,168,711 (GRCm39) missense probably damaging 1.00
R2981:Prex2 UTSW 1 11,252,186 (GRCm39) missense probably damaging 1.00
R3430:Prex2 UTSW 1 11,220,078 (GRCm39) missense possibly damaging 0.88
R3832:Prex2 UTSW 1 11,226,588 (GRCm39) splice site probably benign
R3870:Prex2 UTSW 1 11,230,416 (GRCm39) missense possibly damaging 0.86
R3963:Prex2 UTSW 1 11,180,581 (GRCm39) missense possibly damaging 0.93
R4012:Prex2 UTSW 1 11,254,740 (GRCm39) missense probably benign
R4030:Prex2 UTSW 1 11,278,792 (GRCm39) missense probably benign 0.06
R4214:Prex2 UTSW 1 11,355,285 (GRCm39) missense probably damaging 1.00
R4214:Prex2 UTSW 1 11,171,383 (GRCm39) missense probably damaging 1.00
R4242:Prex2 UTSW 1 11,226,528 (GRCm39) missense probably benign 0.06
R4490:Prex2 UTSW 1 11,232,487 (GRCm39) missense probably benign 0.05
R4491:Prex2 UTSW 1 11,232,487 (GRCm39) missense probably benign 0.05
R4492:Prex2 UTSW 1 11,232,487 (GRCm39) missense probably benign 0.05
R4561:Prex2 UTSW 1 11,254,769 (GRCm39) splice site probably null
R4624:Prex2 UTSW 1 11,359,489 (GRCm39) nonsense probably null
R4647:Prex2 UTSW 1 11,232,509 (GRCm39) missense probably damaging 1.00
R4657:Prex2 UTSW 1 11,136,049 (GRCm39) missense probably benign 0.00
R4706:Prex2 UTSW 1 11,270,212 (GRCm39) missense probably damaging 1.00
R4806:Prex2 UTSW 1 11,138,244 (GRCm39) missense probably damaging 1.00
R4900:Prex2 UTSW 1 11,220,129 (GRCm39) splice site probably benign
R4922:Prex2 UTSW 1 11,240,164 (GRCm39) missense probably damaging 1.00
R4961:Prex2 UTSW 1 11,168,705 (GRCm39) missense possibly damaging 0.75
R5284:Prex2 UTSW 1 11,336,314 (GRCm39) nonsense probably null
R5305:Prex2 UTSW 1 11,177,902 (GRCm39) missense probably damaging 1.00
R5307:Prex2 UTSW 1 11,270,256 (GRCm39) missense probably damaging 0.99
R5331:Prex2 UTSW 1 11,210,235 (GRCm39) missense possibly damaging 0.75
R5385:Prex2 UTSW 1 11,210,204 (GRCm39) missense probably damaging 0.99
R5574:Prex2 UTSW 1 11,210,282 (GRCm39) missense probably damaging 1.00
R5979:Prex2 UTSW 1 11,202,596 (GRCm39) missense probably damaging 1.00
R6076:Prex2 UTSW 1 11,256,174 (GRCm39) missense probably benign 0.09
R6160:Prex2 UTSW 1 11,064,075 (GRCm39) missense probably damaging 1.00
R6177:Prex2 UTSW 1 11,207,001 (GRCm39) missense possibly damaging 0.49
R6221:Prex2 UTSW 1 11,336,236 (GRCm39) missense probably benign 0.01
R6293:Prex2 UTSW 1 11,232,522 (GRCm39) missense probably benign
R6335:Prex2 UTSW 1 11,180,544 (GRCm39) missense probably benign 0.13
R6401:Prex2 UTSW 1 11,256,951 (GRCm39) missense probably benign 0.00
R6427:Prex2 UTSW 1 11,252,255 (GRCm39) missense probably damaging 1.00
R6467:Prex2 UTSW 1 11,336,259 (GRCm39) missense probably damaging 1.00
R6564:Prex2 UTSW 1 11,171,285 (GRCm39) splice site probably null
R6734:Prex2 UTSW 1 11,150,283 (GRCm39) missense probably damaging 1.00
R6753:Prex2 UTSW 1 11,254,680 (GRCm39) missense probably damaging 0.98
R6880:Prex2 UTSW 1 11,202,608 (GRCm39) missense probably damaging 1.00
R6973:Prex2 UTSW 1 11,182,967 (GRCm39) missense probably damaging 1.00
R6980:Prex2 UTSW 1 11,232,487 (GRCm39) missense probably benign 0.05
R6987:Prex2 UTSW 1 11,240,976 (GRCm39) missense probably damaging 0.99
R7085:Prex2 UTSW 1 11,168,812 (GRCm39) missense possibly damaging 0.73
R7101:Prex2 UTSW 1 11,223,833 (GRCm39) missense possibly damaging 0.86
R7106:Prex2 UTSW 1 11,207,017 (GRCm39) missense probably benign 0.33
R7319:Prex2 UTSW 1 11,232,532 (GRCm39) missense probably benign 0.10
R7342:Prex2 UTSW 1 11,232,549 (GRCm39) missense probably benign 0.00
R7469:Prex2 UTSW 1 11,355,293 (GRCm39) missense probably damaging 1.00
R7528:Prex2 UTSW 1 11,274,316 (GRCm39) missense probably damaging 1.00
R7592:Prex2 UTSW 1 11,193,437 (GRCm39) missense probably damaging 1.00
R7650:Prex2 UTSW 1 11,220,078 (GRCm39) missense possibly damaging 0.67
R7695:Prex2 UTSW 1 11,232,497 (GRCm39) missense probably benign 0.00
R7720:Prex2 UTSW 1 11,252,161 (GRCm39) missense possibly damaging 0.47
R7733:Prex2 UTSW 1 11,252,183 (GRCm39) missense probably benign 0.31
R7859:Prex2 UTSW 1 11,150,274 (GRCm39) missense probably damaging 1.00
R8247:Prex2 UTSW 1 11,270,194 (GRCm39) missense probably benign
R8300:Prex2 UTSW 1 11,301,942 (GRCm39) missense possibly damaging 0.49
R8345:Prex2 UTSW 1 11,270,118 (GRCm39) missense possibly damaging 0.65
R8352:Prex2 UTSW 1 11,355,364 (GRCm39) missense probably benign
R8352:Prex2 UTSW 1 11,355,363 (GRCm39) missense probably benign
R8410:Prex2 UTSW 1 11,223,881 (GRCm39) missense possibly damaging 0.94
R8452:Prex2 UTSW 1 11,355,364 (GRCm39) missense probably benign
R8452:Prex2 UTSW 1 11,355,363 (GRCm39) missense probably benign
R8885:Prex2 UTSW 1 11,240,799 (GRCm39) splice site probably benign
R8926:Prex2 UTSW 1 11,159,930 (GRCm39) splice site probably null
R8968:Prex2 UTSW 1 11,180,562 (GRCm39) nonsense probably null
R9049:Prex2 UTSW 1 11,256,130 (GRCm39) missense probably damaging 0.98
R9398:Prex2 UTSW 1 11,207,028 (GRCm39) missense probably benign 0.00
R9452:Prex2 UTSW 1 11,256,151 (GRCm39) missense probably benign 0.01
R9549:Prex2 UTSW 1 11,256,915 (GRCm39) missense probably damaging 1.00
RF005:Prex2 UTSW 1 11,255,390 (GRCm39) missense possibly damaging 0.47
Z1177:Prex2 UTSW 1 11,359,476 (GRCm39) critical splice acceptor site probably null
Predicted Primers PCR Primer
(F):5'- gggtGGTGGTCTCTCCAACAGTTTT -3'
(R):5'- TCAGCCCCAGATTACAGCATCCTT -3'

Sequencing Primer
(F):5'- gggattaaaagcaccatacctg -3'
(R):5'- ATTCCAGCCAATGCTTGAGG -3'
Posted On 2014-05-23