SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO01718
Pre Gene Modal
BGIBMGA006128
Annotation
PREDICTED:_TBC1_domain_family_member_24_isoform_X4_[Bombyx_mori]
Full name
GTPase-activating protein skywalker      
Location in the cell
Nuclear   Reliability : 2.896
 

Sequence

CDS
ATGTTCATAACACAAACGAAGCTACTGAACGAGGTAACCTGGAAGACTGTCATGCAGATCGCCAAGAAACATGCCAAGTCGGCGGCGCAACACCTGTCGCGGCTCTCCGGCGCCATTGGCCCCGAGAGGATCTACGCGGACTGGCAATGGTGGATCCTGGCCGCCCTTCCGTTCCCTCACCTTGTACGAGTATTGGATTGCTTCTTTCACGAGGGCATCAAGGTATTCTACAGGGTAGCCCTGGCGATCCTTATCTTGTTCCACAAGCACACAACGAACCAGAACTCTGAGTGGTACGCCGAAGCCACCAAGAACGGTGTGGACCACGCCATCGACAAATTCTGCAGGAACATGCCCGTTTCGCCCACCAAGCTGCTAAGGACAGCGTTTACCATACGCGCCTTGAGTTCGCAATACATATCGCGGGTGTTCATAAAAACGGAGATGACACTGAAGTCGAAGCAAGTGATCACCGGCTCGAGGCTGGTCAGGTCTCGGTCCTCGGACAACTTGCCAACGAGCCAGTCGCAGGTCAACATACAGATGATGTCACACACGCTGACCATACGAGAGAGCCCGCGCTCCTCCCACATGGCGATGTGGTTTCCATTCCCTAACGCGGTGTTCCAGGATCGACACCAGGCATCAGACCTCAGGCAGAAGTTGTTCACATTATGGTCGTGGTTGCCGGTTCGCATAACGATGTACCAACCAGTGTTGCTATACACGACCGAGGAGCACGGATGCTCATTGACGACATTCTACGTGCGAGTGGAACACCATGAGCCGACCTTACTCATGATCAAGACCTGTAACAACGAGGTATTCGGAGCGTATTGTTCGACGCGCTGGTTCGAACGCAACCAGAAAGACGAACGTGGTAACAGACAAGCGTACTTCGGGACAGGAGAGACATTCCTCTTCAGCCTCCAGCCCACCCGCGCCAAGTACCCCTGGGTCGGCTGCCTCGAGGACAACCAAGAAGACAAGACGCCCCACGCCAACTCGCTCTTCATGGCCGCCGATAATACAATGATCACGATCGGCGGAGGGGACGGCCAAGCGATATGGATGGACGAGAACATAAGGTACGGCAAGACGGACCGCTGCTCTACGTTCAACAACCCGCCGCTGTGCCCCAGCGGAGACTTCGAGATACGAGTGCTCGAGGTGTACGGGTTCGCCGGAGCGTAG
Protein
MFITQTKLLNEVTWKTVMQIAKKHAKSAAQHLSRLSGAIGPERIYADWQWWILAALPFPHLVRVLDCFFHEGIKVFYRVALAILILFHKHTTNQNSEWYAEATKNGVDHAIDKFCRNMPVSPTKLLRTAFTIRALSSQYISRVFIKTEMTLKSKQVITGSRLVRSRSSDNLPTSQSQVNIQMMSHTLTIRESPRSSHMAMWFPFPNAVFQDRHQASDLRQKLFTLWSWLPVRITMYQPVLLYTTEEHGCSLTTFYVRVEHHEPTLLMIKTCNNEVFGAYCSTRWFERNQKDERGNRQAYFGTGETFLFSLQPTRAKYPWVGCLEDNQEDKTPHANSLFMAADNTMITIGGGDGQAIWMDENIRYGKTDRCSTFNNPPLCPSGDFEIRVLEVYGFAGA

Summary

Description
GTPase-activating protein (GAP) for Rab35 which regulates synaptic vesicle (SV) protein recycling and turnover at the neuromuscular junction boutons and possibly ventral nerve cord via endosomal trafficking (PubMed:21458671, PubMed:25422373, PubMed:27669036). Inhibits Rab35-mediated endosomal sorting which traffics old or dysfunctional SV proteins through a degradative endolysosomal route that involves the ESCRT pathway and the HOPS complex members dor, vps39 and rab7 (PubMed:21458671, PubMed:25422373). This function is essential for preventing excessive degradation and turnover of vesicles from the readily releasable pool which leads to increased neurotransmission and eventually neurodegeneration (PubMed:21458671, PubMed:25422373, PubMed:27669036). Preferentially binds phosphoinositides phosphorylated at the D5 position of the inositol ring, such as phosphatidylinositol 4,5-bisphosphate (PIP2) and phosphatidylinositol 3,4,5-trisphosphate (PIP3) (PubMed:27669036). Binding to phosphoinositides and thus membrane-association, is required for its function in regulating the turnover of synaptic-vesicle proteins (PubMed:27669036). It is therefore likely that it is recruited to vesicle membranes with high phosphoinositide content and thereby selectively prevents endolysosomal degradation of these vesicles (PubMed:27669036).
Keywords
3D-structure   Alternative splicing   Cell junction   Complete proteome   Cytoplasmic vesicle   Endosome   Lipid-binding   Membrane   Phosphoprotein   Reference proteome   Synapse  
Feature
chain  GTPase-activating protein skywalker
splice variant  In isoform F.
EMBL
BABH01004521    ODYU01001572    SOQ37972.1    AGBW02010853    OWR47627.1    KQ459584    + More
KPI98541.1    NWSH01000036    PCG80406.1    PCG80411.1    KQ460855    KPJ11828.1    PCG80412.1    PCG80409.1    PCG80408.1    PCG80407.1    PCG80413.1    JTDY01001636    KOB73278.1    AAAB01008980    EAA13953.3    GFDL01003933    JAV31112.1    GDUN01000740    JAN95179.1    AXCN02001863    CH477653    EAT37758.1    AJWK01031584    GGFL01004525    MBW68703.1    GGFL01005212    MBW69390.1    GFDL01003935    JAV31110.1    GL888624    EGI58943.1    KQ978782    KYN28421.1    KQ978081    KYM97129.1    ADTU01018034    ADTU01018035    KK107536    EZA49206.1    KQ435840    KOX71422.1    ATLV01020656    KE525304    KFB45479.1    KQ982482    KYQ55975.1    CVRI01000054    CRL00387.1    KQ434936    KZC11990.1    KQ414685    KOC63785.1    UFQS01000278    UFQT01000278    SSX02313.1    SSX22688.1    GFDL01003934    JAV31111.1    GGFL01004524    MBW68702.1    GGFL01005218    MBW69396.1    QOIP01000008    RLU19389.1    GGFK01007110    MBW40431.1    GGFM01007115    MBW27866.1    GGFM01002909    MBW23660.1    GGFK01007119    MBW40440.1    GGFM01002883    MBW23634.1    GANO01002228    JAB57643.1    GGFJ01003870    MBW53011.1    JR037691    AEY57917.1    NNAY01001487    OXU23801.1    AXCM01001249    KQ981424    KYN41787.1    KQ761289    OAD57908.1    GGFJ01004196    MBW53337.1    GDAI01002792    JAI14811.1    KZ288204    PBC33242.1    JR037692    AEY57918.1    GBYB01010100    JAG79867.1    KQ976490    KYM83437.1    GL442192    EFN63823.1    GFDF01003483    JAV10601.1    GDQN01007759    JAT83295.1    GEDC01028920    JAS08378.1    KQ971342    EFA03897.1    GECZ01025010    JAS44759.1    CM002910    KMY91249.1    CM000158    KRJ98855.1    CH954179    KQS61821.1    KMY91244.1    AE014134    AGB93185.1    GDQN01009159    JAT81895.1    KRJ98861.1    KQS61823.1    GECZ01016551    JAS53218.1    AGB93186.1    AY069398    AY118379    AY118490    BT120183    AAL39543.1    AAM48408.1    AAM49859.1    ADB91431.1    KMY91243.1    KRJ98860.1   
Pfam
PF07534   TLD        + More
PF00566   RabGAP-TBC
Interpro
IPR000195   Rab-GTPase-TBC_dom        + More
IPR006571   TLDc_dom       
IPR035969   Rab-GTPase_TBC_sf       
SUPFAM
SSF47923   SSF47923       
PDB
5HJQ     E-value=3.3319e-52,     Score=518

Ontologies

Topology

Subcellular location
Cytoplasmic vesicle   Detected at the synapses of neuromuscular junction boutons, where it displays co-localization with Rab35 (PubMed:21458671). Associates with certain types of membrane phosphoinositides such as phosphatidylinositol 4,5-bisphosphate (PIP2) and phosphatidylinositol 3,4,5-trisphosphate (PIP3) (PubMed:27669036).   With evidence from 5 publications.
Secretory vesicle   Detected at the synapses of neuromuscular junction boutons, where it displays co-localization with Rab35 (PubMed:21458671). Associates with certain types of membrane phosphoinositides such as phosphatidylinositol 4,5-bisphosphate (PIP2) and phosphatidylinositol 3,4,5-trisphosphate (PIP3) (PubMed:27669036).   With evidence from 5 publications.
Synaptic vesicle membrane   Detected at the synapses of neuromuscular junction boutons, where it displays co-localization with Rab35 (PubMed:21458671). Associates with certain types of membrane phosphoinositides such as phosphatidylinositol 4,5-bisphosphate (PIP2) and phosphatidylinositol 3,4,5-trisphosphate (PIP3) (PubMed:27669036).   With evidence from 5 publications.
Endosome membrane   Detected at the synapses of neuromuscular junction boutons, where it displays co-localization with Rab35 (PubMed:21458671). Associates with certain types of membrane phosphoinositides such as phosphatidylinositol 4,5-bisphosphate (PIP2) and phosphatidylinositol 3,4,5-trisphosphate (PIP3) (PubMed:27669036).   With evidence from 5 publications.
Length:
397
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.0729600000000001
Exp number, first 60 AAs:
0.01719
Total prob of N-in:
0.00926
outside
1  -  397
 
 

Population Genetic Test Statistics

Pi
200.431184
Theta
170.50608
Tajima's D
0.809843
CLR
0.664312
CSRT
0.605219739013049
Interpretation
Uncertain
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