SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO12764
Pre Gene Modal
BGIBMGA007158
Annotation
PREDICTED:_phosphatidylinositol_3-kinase_catalytic_subunit_type_3_[Bombyx_mori]
Full name
Phosphatidylinositol 3-kinase catalytic subunit type 3      
Alternative Name
Phosphoinositide-3-kinase class 3
Location in the cell
Cytoplasmic   Reliability : 1.217 Mitochondrial   Reliability : 1.399 Nuclear   Reliability : 1.113
 

Sequence

CDS
ATGAACGAAATAGACGACAAGTTTTATTATGTTTACAGTTCATCTTTGGATTACAAGGTCGAAATAAAAATTGGTACCCTTGAAGGCAAGAGAACTAAACCGGAATATGACAAACTACTATCAGATCCGATGTTGAAATTCTCAGGACTTTACCAAGATGGATGCTCAGACTTGTACGTCACCTGCCAAATCCTGAGTGATGGAGAACCTCTGGCGCTACCCGTCATGACCACTTATAAGGCATTCACTACTCGATGGAATTGGAATGAATGGGTAACCCTTCCGGTGTACTACAGTGATTTGCCCCGTAATGCTATACTAGCTATGACTATCTACGACTGTGCCGGTCCCGGTAAAGTGATGGTGGTCGGTGGCACGACCATATCGATATTTGGGAAGCACGGCATGCTGAGACAGGGGATGTTCGATCTGCGAGTGTGGCCCGGGGTTGAGGGCAGCGAGAAGACTCCGGGGAAGGCTCCGGACCGCGGCAAGGAGCAGATGCAGCGACTTGCGAAGCTCGCCAAGAAACACAGAAACGGACATTTGCCCAAGGTAGACTGGCTGGACAGGCTGACGTTTCGTGAAATCGAGATGATAAATGAAAAGGAGAAGCGAAGTTCGAATTATATGTATCTGATGGTGGAATTCCCGAGTGTTCAGATCGACGGCATCAATCACGCAGTTGTGTACTACGAACAGGACGGCGATGAGATGTACCAGTTCAGAGCTCAGGCCGAGCTGGTCACCGTACCGGATTGCGAAATATTGAAGGAGAACATAGTGGAGAGCAAGCAGCACCGGCTGGCGCGGTCGCTGCGCGCGGGGCAGTCGGCGCGCGACGCCAAGCCCTCCGCGCTCGAGCGGGACCAGCTCGCCGCGCTGCTGGCCGCGCCGCCCGCCCGCGCCGCGCCCGCCCTGCACCAGGACCTGCTGTGGAAGTTCCGGTTTTACTTGTCGTCGCACCGCCGCGCCCTCACCAAGTTCCTGGAATGCGTCAATTGGAATAGACCTGGCGAAGTGCGTCAGGCCCTCGCCATGATGAGGCAGTGGGCGCCCATGGACGTGGAAGATGCGTTAGAGCTGCTGACTCCGAAGTTCACGCATCCCGCTGTTAGGAAATACGCGATATCGAGATTGAGACAGGCTCCCGACGAGGATCTGCTGCTGTACCTGCTGCAACTGGTCCAGGCCCTGAAGTACGAGAGCTACTCGGAAATACACGAGGAGTACGCGCGCACGTGCGGCAAGGACATGCCGCTACCCGTGGAGCTGGACCCTCGCCTGGGGTACAGCCACCGAGACACTCTGCTGGCCACCTCGGCTCTGAGCGACGTGTCCGCGACCAGCCGGGACCCGGACGGCGCGGGGGGACAGGGGGGACCGGGGGGACCCACCGGGGGACAGACCCCGGGGACCGCCGCGCCCAGCGATGACGTCACGTCTGGTGGCGAGGAGCAGGGCAGCCTGGCGTGGTTCCTGATCGACCGCGCGTGCCGCAACCCGCAGCTGGCCAACTACCTGTACTGGTACCTGCTGGTGGAGTGCGAGGACGCGCCCGAGCCGCCGCCCCCGCGACACATGTACCTCGCCGTCATGCGCACCTTCAGCAGACGACTCGCCGACGGTAGCAGCTCGCACCAGCGCACGCGCTCGTTCCTGGCGCGGCAGCAGGTGTTCATCGACAAGCTGGTGCGGCTGGTGCGCTCCGTGGCGCGGGAGAGCGGCAGCCGCGCGCGCAAGGCCCAGCGCCTGCAGCAGCTGCTCGCAGACCCCGACGCCAACAAGTTCAACTTCGCCAGCTTCGAGCCCATGCCCTTCCCGCTCGACCCCAGCGTCACCATCAAAGGGATCGTCGCCAAGAAGGCCAGCCTCTTCAAGTCCGCCCTCATGCCCACCAAGCTCACCTTCCTCACGACCGAGGGCGTCGAGTACGATGCCATCTTCAAGTACGGCGACGACCTGCGCCAAGACCAGCTGATCCTGCAGATGATCACGCTGATGGACAAGCTGCTGAGGCGCGAGAACCTGGACCTGAAGCTGACGCCGTACCGCGTGCTGGCCACCAGCTCCAAGCACGGCTTCCTGCAGTTCGTGGAGTCCGTGACGGTGGCGGAGGCGCTGGCCACGGAGGGCAGCATACAGAACTTCTTCAGGAAGCACAACCCGTGCGAGGGCGCGCCCTACGGCATCAAGCCCGAGACCATGGACACGTACATCCGCAGCTGCGCCGGATACTGCGTCATCACCTATCTGCTCGGTGTGGGTGACCGGCATCTGGACAACCTGCTGCTGAGCCGCAGCGGCGCGCTGTTCCACATCGACTTCGGCTACATCCTGGGTCGGGATCCGAAGCCGCTTCCGCCACCCATGAAGCTCAGCAAGGAGATGGTGGAGGCCATGGGCGGGGTCAACTCGGACCACTACCACGCCTTCCGCAAGCTCACCTACACCGCCTTCCTGCATCTCAGACGTCATGCAAACCTGATGCTGAACCTGTTCTCGCTGATGGTGGACGCCTCCGTCCCGGACATTGCGCTGGAGCCGGACAAGGCCGTCAAGAAAGTGCAGGATAAGTTCAGGCTGGATCTCGGCGACGAGGAAGCCATTCACTACCTGCAGAATCTCTTGGACATGTCAGTGACAGCTGTCATGGCGGTCCTCGTCGAACAATTCCACAAGTTCGCTCAATACTGGAGGAAATGA
Protein
MNEIDDKFYYVYSSSLDYKVEIKIGTLEGKRTKPEYDKLLSDPMLKFSGLYQDGCSDLYVTCQILSDGEPLALPVMTTYKAFTTRWNWNEWVTLPVYYSDLPRNAILAMTIYDCAGPGKVMVVGGTTISIFGKHGMLRQGMFDLRVWPGVEGSEKTPGKAPDRGKEQMQRLAKLAKKHRNGHLPKVDWLDRLTFREIEMINEKEKRSSNYMYLMVEFPSVQIDGINHAVVYYEQDGDEMYQFRAQAELVTVPDCEILKENIVESKQHRLARSLRAGQSARDAKPSALERDQLAALLAAPPARAAPALHQDLLWKFRFYLSSHRRALTKFLECVNWNRPGEVRQALAMMRQWAPMDVEDALELLTPKFTHPAVRKYAISRLRQAPDEDLLLYLLQLVQALKYESYSEIHEEYARTCGKDMPLPVELDPRLGYSHRDTLLATSALSDVSATSRDPDGAGGQGGPGGPTGGQTPGTAAPSDDVTSGGEEQGSLAWFLIDRACRNPQLANYLYWYLLVECEDAPEPPPPRHMYLAVMRTFSRRLADGSSSHQRTRSFLARQQVFIDKLVRLVRSVARESGSRARKAQRLQQLLADPDANKFNFASFEPMPFPLDPSVTIKGIVAKKASLFKSALMPTKLTFLTTEGVEYDAIFKYGDDLRQDQLILQMITLMDKLLRRENLDLKLTPYRVLATSSKHGFLQFVESVTVAEALATEGSIQNFFRKHNPCEGAPYGIKPETMDTYIRSCAGYCVITYLLGVGDRHLDNLLLSRSGALFHIDFGYILGRDPKPLPPPMKLSKEMVEAMGGVNSDHYHAFRKLTYTAFLHLRRHANLMLNLFSLMVDASVPDIALEPDKAVKKVQDKFRLDLGDEEAIHYLQNLLDMSVTAVMAVLVEQFHKFAQYWRK

Summary

Description
Catalytic subunit of the PI3K complex that mediates formation of phosphatidylinositol 3-phosphate; different complex forms are believed to play a role in multiple membrane trafficking pathways. Involved in the transport of lysosomal enzyme precursors to lysosomes. Required for transport from early to late endosomes (By similarity).
Catalytic subunit of the PI3K complex that mediates formation of phosphatidylinositol 3-phosphate; different complex forms are believed to play a role in multiple membrane trafficking pathways: PI3KC3-C1 is involved in initiation of autophagosomes and PI3KC3-C2 in maturation of autophagosomes and endocytosis. Involved in regulation of degradative endocytic trafficking and required for the abcission step in cytokinesis, probably in the context of PI3KC3-C2. Involved in the transport of lysosomal enzyme precursors to lysosomes. Required for transport from early to late endosomes (By similarity).
Catalytic Activity
a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol) + ATP = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol 3-phosphate) + ADP + H(+)
Cofactor
Mn(2+)
Subunit
Component of the PI3K (PI3KC3/PI3K-III/class III phosphatidylinositol 3-kinase) complex the core of which is composed of the catalytic subunit pik3c3, the regulatory subunit pik3r4 and becn1 associating with additional regulatory/auxilliary subunits to form alternative complex forms.
Component of the PI3K (PI3KC3/PI3K-III/class III phosphatidylinositol 3-kinase) complex the core of which is composed of the catalytic subunit PIK3C3, the regulatory subunit PIK3R4 and BECN1 associating with additional regulatory/auxilliary subunits to form alternative complex forms. Alternative complex forms containing a forth regulatory subunit in a mutually exclusive manner are: the PI3K complex I (PI3KC3-C1) containing ATG14, and the PI3K complex II (PI3KC3-C2) containing UVRAG. PI3KC3-C1 displays a V-shaped architecture with PIK3R4 serving as a bridge between PIK3C3 and the ATG14:BECN1 subcomplex (By similarity). Both, PI3KC3-C1 and PI3KC3-C2, can associate with further regulatory subunits such as RUBCN, SH3GLB1/Bif-1 and AMBRA1 (PubMed:17589504). PI3KC3-C1 probably associates with PIK3CB (PubMed:21059846). Interacts with RAB7A in the presence of PIK3R4 (By similarity). Interacts with AMBRA1 (PubMed:17589504). Interacts with BECN1P1/BECN2 (By similarity). Interacts with SLAMF1 (PubMed:22493499). May be a component of a complex composed of RAB5A (in GDP-bound form), DYN2 and PIK3C3 (By similarity). Interacts with NCKAP1L (By similarity).
Similarity
Belongs to the PI3/PI4-kinase family.
Keywords
ATP-binding   Autophagy   Cell cycle   Cell division   Kinase   Manganese   Nucleotide-binding   Transferase   Alternative splicing   Complete proteome   Cytoplasmic vesicle   Endosome   Phosphoprotein   Reference proteome  
Feature
chain  Phosphatidylinositol 3-kinase catalytic subunit type 3
splice variant  In isoform 2.
EC Number
2.7.1.137
EMBL
KQ458981    KPJ04466.1    AGBW02009556    OWR50514.1    BABH01031593    BABH01031594    + More
ODYU01004213    SOQ43844.1    GEZM01087202    JAV58850.1    NEVH01020871    PNF20745.1    KK852460    KDR23478.1    GDKW01000953    JAI55642.1    ACPB03020499    GBBI01002434    JAC16278.1    KQ971312    EEZ98191.1    KQ976401    KYM92635.1    KQ434886    KZC10178.1    GL444767    EFN60627.1    KQ981082    KYN09610.1    KQ414606    KOC69577.1    KQ982769    KYQ50916.1    KQ977444    KYN02740.1    KQ981335    KYN42592.1    KK854182    PTY12724.1    QOIP01000011    RLU16647.1    KZ288267    PBC30101.1    DS235389    EEB15521.1    GL762454    EFZ21498.1    PNF20743.1    GGMS01004752    MBY73955.1    JH432130    ABLF02026968    KQ762031    OAD56362.1    GFXV01001144    MBW12949.1    PYGN01001278    PSN36071.1    GFDF01006570    JAV07514.1    DS231845    EDS35983.1    GG666480    EEN65846.1    GFDL01009334    JAV25711.1    GCES01147447    JAQ38875.1    CP026244    AWO97541.1    CM004466    OCU02735.1    BC077528    AJWK01027997    BC024675    BC057678    LSYS01001587    OPJ87851.1    AERX01017946    CM012454    RVE60403.1    CVRI01000057    CRL02454.1    GCES01004660    JAR81663.1    HAEH01003759    HAEI01009684    SBS08463.1    BX510349    HAEF01021582    HAEG01001868    SBR66118.1    HAED01007585    HAEE01003542    SBQ93797.1    HADY01004517    HAEJ01007133    SBS47590.1    AAGW02032208    AAGW02032209    AAGW02032210    HADZ01011436    HAEA01007987    SBP75377.1    GCES01036072    JAR50251.1    AKHW03004724    KYO28843.1    AC189108    AC192000    GAAZ01001775    JAA96168.1    BDOT01000049    GCF48210.1    HAEB01002391    HAEC01011695    SBQ79912.1    KQ042129    KKF18716.1    FR904686    CDQ69823.1    JU174894    GBEX01002474    AFJ50420.1    JAI12086.1    GABZ01004243    JAA49282.1   
Pfam
PF00454   PI3_PI4_kinase        + More
PF00613   PI3Ka
PF00792   PI3K_C2
PF00476   DNA_pol_A
PF04991   LicD
PF00226   DnaJ
PF09320   DUF1977
PF12578   3-PAP
PF06602   Myotub-related
Interpro
IPR008290   PI3K_Vps34        + More
IPR036940   PI3/4_kinase_cat_sf       
IPR015433   PI_Kinase       
IPR016024   ARM-type_fold       
IPR035892   C2_domain_sf       
IPR001263   PI3K_accessory_dom       
IPR042236   PI3K_accessory_sf       
IPR002420   PI3K_C2_dom       
IPR011009   Kinase-like_dom_sf       
IPR000403   PI3/4_kinase_cat_dom       
IPR018936   PI3/4_kinase_CS       
IPR001098   DNA-dir_DNA_pol_A_palm_dom       
IPR002298   DNA_polymerase_A       
IPR036322   WD40_repeat_dom_sf       
IPR007074   LicD_fam       
IPR015399   DUF1977_DnaJ-like       
IPR022587   MTMR12-like_C       
IPR029021   Prot-tyrosine_phosphatase-like       
IPR036869   J_dom_sf       
IPR010569   Myotubularin-like_Pase_dom       
IPR001623   DnaJ_domain       
SUPFAM
SSF48371   SSF48371        + More
SSF56112   SSF56112       
SSF50978   SSF50978       
SSF46565   SSF46565       
SSF52799   SSF52799       
PDB
3LS8     E-value=0,     Score=1706

Ontologies

Topology

Subcellular location
Midbody  
Late endosome   As component of the PI3K complex I localized to pre-autophagosome structures. As component of the PI3K complex II localized predominantly to endosomes (By similarity). Localizes also to discrete punctae along the ciliary axoneme and to the base of the ciliary axoneme (PubMed:24089209).   With evidence from 3 publications.
Cytoplasmic vesicle   As component of the PI3K complex I localized to pre-autophagosome structures. As component of the PI3K complex II localized predominantly to endosomes (By similarity). Localizes also to discrete punctae along the ciliary axoneme and to the base of the ciliary axoneme (PubMed:24089209).   With evidence from 3 publications.
Autophagosome   As component of the PI3K complex I localized to pre-autophagosome structures. As component of the PI3K complex II localized predominantly to endosomes (By similarity). Localizes also to discrete punctae along the ciliary axoneme and to the base of the ciliary axoneme (PubMed:24089209).   With evidence from 3 publications.
Length:
901
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
1.15403
Exp number, first 60 AAs:
5e-05
Total prob of N-in:
0.03043
outside
1  -  901
 
 

Population Genetic Test Statistics

Pi
22.718261
Theta
2.259455
Tajima's D
0.230657
CLR
0.938198
CSRT
0.480525973701315
Interpretation
Uncertain
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