SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO01224
Pre Gene Modal
BGIBMGA009037
Annotation
argonaute_3_[Bombyx_mori]
Full name
Piwi-like protein Ago3      
Location in the cell
Cytoplasmic   Reliability : 1.814 Nuclear   Reliability : 2.112
 

Sequence

CDS
ATGTCTGAAACTTCAGTTTCAGCACAGACATCTTCAGTTGCCAAGAACAAATATTTCAGGGAGGTGAAAGACACTCCTCCAGTCGTAAAGAAAGGTGAAACAGGTGTGCCTATAGAAGTGACTTGTAACTACATTTATCTCAATTTCAAAGAGAACATTGTTTTTGAGTATGAAGTGAAGTTTGAACCAGATCAAGACTATAAACATTTGCGATTCAAATTGCTCAACGAGCACATTGAACACTTTAAGGAGAAAACATTCGATGGTACCACCCTCTACGTGCCACACGAACTGCCCGATGCAGTCCGTAATTTAGTATCTACTAACCCATATGACCAAAGCAAAGTAAACGTTTCTATTATATTTCGTCGCACACGTCGTTTGAGCGAAATGATTCACATATACAATGTGATGTTCAAATGTATAATGAAGGATTTGAAATTGATTCGCTTCGGACGCCAACATTACAATGAGCACGCAGCCATACAGATACCTCAGCATAAATTAGAAGTTTGGCCTGGATACGTAACAGCAGTAGACGAATACGAAGGCGGTCTGATGTTAACATTAGATTCGACTCATCGTGTATTACGAACGCAAACCGTTCTCTCTCTGATCAAAGAGGTTGTGCAAACTGAAGGAGCTAATTGGAAACGTAAGATGACAGATATACTAATAGGAGCCTCTGTTATGACTACTTATAACAAGAAATTGTTTAGAGTTGATACAATTGACGATAAAATGAGTCCGAGATCAACATTTGAGAAAACAGAGAAAGGCGAAACTGTACAGATTAGTTTTATAGATTATTATAAGAAGAATTATGGTATCGAGATAATGGACTGGGATCAACCCTTACTCATTTCAAGAGACACAAAACGTATGCCCGGATCAGACACTCCAACAGATTTCATGATATGCCTCATTCCGGAGTTATGTCAATTGACTGGTTTAACAGATGATCAACGCAGTAACTTTAGATTAATGAAAGATGTAGCTACTTACACGAGGATCACTCCAAATCAGCGCCATGCCGCTTTTAAGAAGTACATAGAAAGTGTAATGAAAAACGAAACTGCCAAGAGTCGTCTAGCGGGTTGGGGTCTCAGTATAGCACCGGAAACTGTGAACCTAACAGCTCGTACCCTGCCACCAGAGACACTGTATTTTGGAGACAATGTTAGAGTTCCCGAGGGATAA
Protein
MSETSVSAQTSSVAKNKYFREVKDTPPVVKKGETGVPIEVTCNYIYLNFKENIVFEYEVKFEPDQDYKHLRFKLLNEHIEHFKEKTFDGTTLYVPHELPDAVRNLVSTNPYDQSKVNVSIIFRRTRRLSEMIHIYNVMFKCIMKDLKLIRFGRQHYNEHAAIQIPQHKLEVWPGYVTAVDEYEGGLMLTLDSTHRVLRTQTVLSLIKEVVQTEGANWKRKMTDILIGASVMTTYNKKLFRVDTIDDKMSPRSTFEKTEKGETVQISFIDYYKKNYGIEIMDWDQPLLISRDTKRMPGSDTPTDFMICLIPELCQLTGLTDDQRSNFRLMKDVATYTRITPNQRHAAFKKYIESVMKNETAKSRLAGWGLSIAPETVNLTARTLPPETLYFGDNVRVPEG

Summary

Description
Endoribonuclease that plays a central role during spermatogenesis by repressing transposable elements and preventing their mobilization, which is essential for the germline integrity (PubMed:19460866). Plays an essential role in meiotic differentiation of spermatocytes, germ cell differentiation and in self-renewal of spermatogonial stem cells (PubMed:19460866, PubMed:25558067). Its presence in oocytes suggests that it may participate in similar functions during oogenesis in females (PubMed:18191035). Acts via the piRNA metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and govern the methylation and subsequent repression of transposons (PubMed:19460866, PubMed:25558067). Directly binds piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements (PubMed:19460866, PubMed:25558067). Strongly prefers a have adenine at position 10 of their guide (g10A preference) (PubMed:24757166, PubMed:25558067). Plays a key role in the piRNA amplification loop, also named ping-pong amplification cycle: antisense piRNA-bound Siwi and sense piRNA-bound Ago3 reciprocally cleave complementary transcripts, to couple the amplification of piRNAs with the repression of transposable elements (PubMed:25558067).
Cofactor
Mg(2+)
Subunit
Interacts (when symmetrically methylated) with Papi/TDRKH (PubMed:23970546). Interacts with Vasa.
Similarity
Belongs to the argonaute family. Piwi subfamily.
Belongs to the argonaute family.
Belongs to the peptidase S1 family.
Keywords
Complete proteome   Cytoplasm   Developmental protein   Differentiation   Endonuclease   Hydrolase   Magnesium   Meiosis   Metal-binding   Methylation   Nuclease   Reference proteome   RNA-binding   RNA-mediated gene silencing   Spermatogenesis  
Feature
chain  Piwi-like protein Ago3
EC Number
3.1.26.-
EMBL
AB332312    AB372007    BABH01012993    KQ458756    KPJ05288.1    MG778697    + More
AVP80830.1    NWSH01004274    PCG65284.1    KZ150022    PZC74874.1    NEVH01013973    PNF28067.1    KK853043    KDR12118.1    KF032644    AGO85969.1    LC194147    BAW35369.1    KQ971339    EFA02921.1    KR012688    ALC79963.1    LJIG01016388    KRT80752.1    KP036493    AJF15706.1    GANO01003001    JAB56870.1    GAPW01000240    JAC13358.1    JXUM01032518    KQ560958    KXJ80216.1    JXUM01032513    JXUM01032514    GFDL01001570    JAV33475.1    GFDL01001571    JAV33474.1    KR012686    ALC79961.1    DS231906    EDS45390.1    CH477469    EAT40454.1    KQ982335    KYQ57456.1    GL439108    EFN67840.1    ATLV01018376    KE525231    KFB43049.1    KQ982021    KYN30497.1    ADTU01006772    KQ977595    KYN01613.1    GDIQ01091785    JAL59941.1    NNAY01001164    OXU24926.1    GDIP01255014    JAI68387.1    GDIQ01135376    JAL16350.1    GDIQ01238138    GDIQ01072934    GDIQ01051866    JAN21803.1    AXCN02002090    GDIQ01209588    JAK42137.1    GDIQ01247184    GDIQ01206938    GDIQ01201905    GDIQ01098733    JAK49820.1    GL887707    EGI70106.1    KB203566    ESO83925.1    GDIQ01255968    JAJ95756.1    GDIP01064896    JAM38819.1    MF288051    AWH61368.1    APCN01003364    GDIP01224717    JAI98684.1    KA648130    AFP62759.1    AAZX01006478    GDIP01224716    JAI98685.1    ACPB03019172    GDIP01224715    JAI98686.1    GEDC01031380    GEDC01013016    JAS05918.1    JAS24282.1    GEDC01023472    GEDC01019529    GEDC01016336    GEDC01001067    JAS13826.1    JAS17769.1    JAS20962.1    JAS36231.1    AXCM01010884    AAAB01008984    EAA14901.5    KQ976419    KYM89356.1    GEZM01087790    JAV58475.1    HAAD01002308    CDG68540.1    KF411462    AGZ62175.1    CCAG010011279    JRES01001160    KNC24995.1    KR012687    ALC79962.1    GECL01001984    JAP04140.1    UFQT01000328    SSX23287.1    GDIQ01088032    JAN06705.1    GECZ01003022    JAS66747.1    GDRN01060272    JAI65395.1    KJ808823    AIK19232.1    AB840993    BAN82534.1    CVRI01000055    CRL01596.1    KC203335    AGV15455.1    GBBI01003735    JAC14977.1    GL446605    EFN87544.1    GFTR01008350    JAW08076.1    GL732542    EFX81763.1    HACA01006510    CDW23871.1    KC516710    AGI95997.1    CP012523    ALC39198.1    GBXI01010825    JAD03467.1    GECU01001606    JAT06101.1   
Pfam
PF02170   PAZ        + More
PF02171   Piwi
PF08699   ArgoL1
PF00089   Trypsin
PF10230   LIDHydrolase
PF04153   NOT2_3_5
Interpro
IPR012337   RNaseH-like_sf        + More
IPR003165   Piwi       
IPR003100   PAZ_dom       
IPR036397   RNaseH_sf       
IPR036085   PAZ_dom_sf       
IPR014811   ArgoL1       
IPR033116   TRYPSIN_SER       
IPR009003   Peptidase_S1_PA       
IPR001314   Peptidase_S1A       
IPR018114   TRYPSIN_HIS       
IPR001254   Trypsin_dom       
IPR029058   AB_hydrolase       
IPR019363   LDAH       
IPR007282   NOT2/3/5_C       
IPR038635   CCR4-NOT_su2/3/5_N_sf       
SUPFAM
SSF53098   SSF53098        + More
SSF101690   SSF101690       
SSF50494   SSF50494       
SSF53474   SSF53474       
PDB
5GUH     E-value=5.66227e-60,     Score=585

Ontologies

Topology

Subcellular location
Cytoplasm   Component of the meiotic nuage, also named P granule, a germ-cell-specific organelle required to repress transposon activity during meiosis.   With evidence from 8 publications.
Length:
399
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.00684999999999999
Exp number, first 60 AAs:
0.00015
Total prob of N-in:
0.01298
outside
1  -  399
 
 

Population Genetic Test Statistics

Pi
199.666989
Theta
163.503462
Tajima's D
0.856178
CLR
0.323008
CSRT
0.625618719064047
Interpretation
Uncertain
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