SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO15342
Pre Gene Modal
BGIBMGA005075
Annotation
PREDICTED:_spastin_isoform_X3_[Bombyx_mori]
Full name
Spastin      
Alternative Name
D-Spastin
Dm-Spastin
Dspastin
Location in the cell
Mitochondrial   Reliability : 1.444 Nuclear   Reliability : 1.824
 

Sequence

CDS
ATGAAAAAGCCTCGTAAGATCGGCGAGTGCAACTTAGAAGTTGTAGTGAAAGACGGTATAGTGTCCACAGAGATAGCTCAAGAAGATATGTCTCATCACGTCGGACCAGGCGATCCACTGCTGGCCAAGCAGAAGCATCATCATCGCAAAGCTTTTGAATACATATCGAAAGCTTTGAAGATTGATGAGGAAAACGAAGGCCAAAAGGAGCTAGCAATAGAACTGTACAAGAAAGGGATTTTTGAATTGGAGCGAGGTATCGCTGTCGACTGCTGGGGAGGTAGAGGAGACGCTTGGCAAAGAGCTCAAAAACTACACGACAAGATGAAAACAAACCTTGGAATGGCTAAGGATCGTTTACATTTCCTTGTTGCAGGACGAAAACTGACGACGGCAGGCCGAAGAGTGCCTAGCAGTGGAGGAGGGCCCTTGATGAAATCTCAGACTTTGCCGAGGTCCATGGGCAGATCATCCTCCCAGCCGAACAGCTCTAACGGGGGCTACACACGGTACCCCATGAAGCCTGCGTCTACACCGCCGGCTGTTAAAAGACAGTTGTCTGTGCCGGTAAACGGTTCGCCAGTCCGCCGGGCGGTGAGTGGCTCGCAACGCGGTACGCCCACCAGAAGCAGGACTCCGCAGCCCGCGCTAACCGTCCGAGGCGTCGACCCGAAGCTGGTCCAGCTTATACTGGACGAGATAGTCGAAGGAGGACCCAAAGTAAACTGGGACGATATAGCTGGCCAAGAGGCAGCAAAACAAGCATTGCAAGAAATGGTTGTTCTACCTTCGTTGAGGCCCGAACTCTTCACCGGACTCCGATCGCCAGCCCGAGGCTTACTTTTGTTTGGACCTCCAGGAAATGGCAAGACTCTGCTAGCGCGATGCGTAGCGGCCGAATGCTCAGCGACTTTCTTCTCGATATCCGCCGCGAGTCTGACCAGCAAATATGTGGGCGAAGGCGAGAAGATGGTGAGGGCTCTGTTCCAAGTCGCTAGAGAACTGCAGCCTTCAATAATATTCGTGGATGAGGTAGACTCGCTGCTGTGCGAGAGATCGTCCGGCGAGCACGAGGCGTCTCGGCGGCTGAAGACAGAGTTCCTGGTGGAATTCGACGGACTCCCGGCGGCCGGAGCCGACAGACTCATCGTGATGGCCGCCACGAACCGACCTCAGGAACTGGACGAGGCTGCGTTGAGACGGTTCCCGAAGCGCGTGTACGTGTCGCTGCCGGACGCGCGGGTGCGGGCGGCGCTGGTGCGCGGCGTGCTGGCCCGCGGCGCCGCGCAGACCGAGCTCGCGGACGACGAGCTGGTGCGCCTCGCCGCGCTCACTGACGGCTACTCCGGCAGCGACCTCACCGCGCTCTGCAGGGACGCCGCGCTCGGCCCCATACGAGAGCTGGATCCCGAGGAAGTCAAATGTCTGGACCTGTCATTGGTCCGGAGCATTACCTTCCAAGATTTCCTAGATTCGCTGAAAAGGATCCGACCTTCTGTGTCTCCGCACAGCCTCGTCGCGTACGAGAAGTGGTCCGTGCAGTATGGCGATTTGGGATTTTGA
Protein
MKKPRKIGECNLEVVVKDGIVSTEIAQEDMSHHVGPGDPLLAKQKHHHRKAFEYISKALKIDEENEGQKELAIELYKKGIFELERGIAVDCWGGRGDAWQRAQKLHDKMKTNLGMAKDRLHFLVAGRKLTTAGRRVPSSGGGPLMKSQTLPRSMGRSSSQPNSSNGGYTRYPMKPASTPPAVKRQLSVPVNGSPVRRAVSGSQRGTPTRSRTPQPALTVRGVDPKLVQLILDEIVEGGPKVNWDDIAGQEAAKQALQEMVVLPSLRPELFTGLRSPARGLLLFGPPGNGKTLLARCVAAECSATFFSISAASLTSKYVGEGEKMVRALFQVARELQPSIIFVDEVDSLLCERSSGEHEASRRLKTEFLVEFDGLPAAGADRLIVMAATNRPQELDEAALRRFPKRVYVSLPDARVRAALVRGVLARGAAQTELADDELVRLAALTDGYSGSDLTALCRDAALGPIRELDPEEVKCLDLSLVRSITFQDFLDSLKRIRPSVSPHSLVAYEKWSVQYGDLGF

Summary

Description
ATP-dependent microtubule severing protein. Microtubule severing may promote reorganization of cellular microtubule arrays and the release of microtubules from the microtubule organizing center following nucleation.
ATP-dependent microtubule severing protein. Stimulates microtubule minus-end depolymerization and poleward microtubule flux in the mitotic spindle. Regulates microtubule stability in the neuromuscular junction synapse. Involved in lipid metabolism by regulating the size and distribution of lipid droplets. Involved in axon regeneration by regulating microtubule severing.
ATP-dependent microtubule severing protein. Stimulates microtubule minus-end depolymerization and poleward microtubule flux in the mitotic spindle (PubMed:15242610, PubMed:15562320, PubMed:15823537, PubMed:16276413, PubMed:17452528, PubMed:25875445, PubMed:18202664, PubMed:19341724). Regulates microtubule stability in the neuromuscular junction synapse (PubMed:15242610, PubMed:15562320, PubMed:19341724). Involved in lipid metabolism by regulating the size and distribution of lipid droplets (PubMed:25875445). Involved in axon regeneration by regulating microtubule severing (PubMed:23122959).
ATP-dependent microtubule severing protein that specifically recognizes and cuts microtubules that are polyglutamylated. Preferentially recognizes and acts on microtubules decorated with short polyglutamate tails: severing activity increases as the number of glutamates per tubulin rises from one to eight, but decreases beyond this glutamylation threshold. Microtubule severing promotes reorganization of cellular microtubule arrays and the release of microtubules from the centrosome following nucleation. Required for membrane traffic from the endoplasmic reticulum (ER) to the Golgi and for completion of the abscission stage of cytokinesis. Also plays a role in axon growth and the formation of axonal branches.
Catalytic Activity
n ATP + n H(2)O + a microtubule = n ADP + n phosphate + (n+1) alpha/beta tubulin heterodimers.
Subunit
Homohexamer. The homohexamer is stabilized by ATP-binding. The homohexamer may adopt a ring conformation through which microtubules pass prior to being severed. Interacts with microtubules.
Homohexamer. The homohexamer is stabilized by ATP-binding. The homohexamer may adopt a ring conformation through which microtubules pass prior to being severed. Interacts with microtubules. Interacts with atl; may be involved in microtubule dynamics.
Homohexamer. The homohexamer is stabilized by ATP-binding. The homohexamer may adopt a ring conformation through which microtubules pass prior to being severed (PubMed:18202664). Interacts with microtubules (PubMed:15823537, PubMed:18202664). Interacts with atl; may be involved in microtubule dynamics (PubMed:19341724).
Similarity
Belongs to the AAA ATPase family. Spastin subfamily.
Belongs to the AAA ATPase family.
Keywords
ATP-binding   Cell cycle   Cell division   Chromosome   Complete proteome   Cytoplasm   Cytoskeleton   Developmental protein   Differentiation   Isomerase   Lipid droplet   Membrane   Microtubule   Mitosis   Neurogenesis   Nucleotide-binding   Reference proteome   3D-structure   Phosphoprotein   Alternative splicing   Nucleus  
Feature
chain  Spastin
splice variant  In isoform 2.
EC Number
5.6.1.1
EMBL
NWSH01007192    PCG63044.1    KQ459324    KPJ01492.1    PCG63046.1    KQ460973    + More
KPJ10059.1    BABH01019775    BABH01019776    BABH01019777    BABH01019778    AGBW02011239    OWR46982.1    KZ150250    PZC71832.1    GEZM01085201    JAV60129.1    GEZM01085204    JAV60126.1    ADTU01025081    ADTU01025082    GEZM01085202    JAV60128.1    GEZM01085203    JAV60127.1    GFDL01016026    JAV19019.1    GFDL01016027    JAV19018.1    KQ971354    EFA07037.1    APGK01059436    APGK01059437    KB741293    KB632046    ENN70269.1    ERL88278.1    OUUW01000007    SPP82735.1    GAKP01009678    JAC49274.1    GDHF01020658    JAI31656.1    CM000070    KRT00353.1    GBXI01012712    JAD01580.1    GFDF01004204    JAV09880.1    GFDF01004265    JAV09819.1    DS235845    EEB18440.1    CP012526    ALC47445.1    GAMC01007521    GAMC01007519    JAB99034.1    CH940650    KRF83798.1    CH902617    KPU79694.1    CH964232    KRF99403.1    GECU01026344    JAS81362.1    CH933806    KRG00934.1    AE014297    ALI30635.1    AHN57493.1    GDHC01014581    JAQ04048.1    ALI30634.1    GBHO01000730    JAG42874.1    GBHO01000729    GBRD01006505    JAG42875.1    JAG59316.1    CH480815    AY069522    BT001254    BT001351    BT044258    GEBQ01028549    JAT11428.1    CM000364    GL887898    EGI69599.1    GL439621    EFN66932.1    KQ978023    KYM97977.1    GECZ01007062    JAS62707.1    GBGD01000996    JAC87893.1    GECL01001705    JAP04419.1    GFTR01006986    JAW09440.1    GDKW01003380    JAI53215.1    AJVK01026762    AJVK01026763    GDRN01107862    JAI57357.1    NEVH01019373    PNF22640.1    GEDC01006501    JAS30797.1    AMQN01012240    KB309387    ELT94540.1    GGLE01000281    MBY04407.1    KQ414643    KOC66661.1    GL448450    EFN84628.1    KZ288379    PBC26603.1    QOIP01000011    RLU16973.1    KK107111    EZA58904.1    KQ976400    KYM92670.1    KQ980322    KYN16603.1    KQ434809    KZC06365.1    GEDC01020127    JAS17171.1    GFJQ02007072    JAV99897.1    IAAA01030916    LAA08532.1    GBYB01003436    GBYB01003438    JAG73203.1    JAG73205.1    KQ982275    KYQ58440.1    LJIG01009785    KRT82385.1    PNF22641.1    PNF22642.1    GBYB01005787    JAG75554.1    GECZ01011849    JAS57920.1    GCES01163570    JAQ22752.1    AADN05000005    GCES01114120    JAQ72202.1    GGFJ01005346    MBW54487.1    LSYS01007194    OPJ72527.1    GL732693    EFX66831.1    CP026257    AWP14239.1    EU849599    EU849600    AJ720192    AADN03003400    AADN03003564    GCES01066581    JAR19742.1    AERX01006480   
Pfam
PF17862   AAA_lid_3        + More
PF00004   AAA
PF09336   Vps4_C
PF04212   MIT
PF17906   HTH_48
Interpro
IPR003593   AAA+_ATPase        + More
IPR041569   AAA_lid_3       
IPR003959   ATPase_AAA_core       
IPR007330   MIT       
IPR017179   Spastin       
IPR015415   Vps4_C       
IPR036181   MIT_dom_sf       
IPR027417   P-loop_NTPase       
IPR003960   ATPase_AAA_CS       
IPR036388   WH-like_DNA-bd_sf       
IPR041426   Mos1_HTH       
IPR035106   Spastin_chordate       
SUPFAM
SSF52540   SSF52540        + More
SSF116846   SSF116846       
Gene 3D
PDB
6NYV     E-value=7.87603e-115,     Score=1059

Ontologies

Topology

Subcellular location
Membrane   Forms an intramembrane hairpin-like structure in the membrane.   With evidence from 1 publications.
Cytoplasm   Forms an intramembrane hairpin-like structure in the membrane.   With evidence from 1 publications.
Cytoskeleton   Forms an intramembrane hairpin-like structure in the membrane.   With evidence from 1 publications.
Microtubule organizing center   Forms an intramembrane hairpin-like structure in the membrane.   With evidence from 1 publications.
Centrosome   Forms an intramembrane hairpin-like structure in the membrane.   With evidence from 1 publications.
Chromosome   Forms an intramembrane hairpin-like structure in the membrane. Colocalizes with cellular microtubule arrays. Localizes to chromosomes from prometaphase/metaphase to anaphase, and this requires microtubules. Localizes to discrete punctate cytoplasmic foci which may correspond to secretory vesicles.   With evidence from 1 publications.
Lipid droplet   Forms an intramembrane hairpin-like structure in the membrane. Colocalizes with cellular microtubule arrays. Localizes to chromosomes from prometaphase/metaphase to anaphase, and this requires microtubules. Localizes to discrete punctate cytoplasmic foci which may correspond to secretory vesicles.   With evidence from 1 publications.
Perinuclear region   Forms an intramembrane hairpin-like structure in the membrane.   With evidence from 1 publications.
Nucleus   Forms an intramembrane hairpin-like structure in the membrane.   With evidence from 1 publications.
Length:
520
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.01278
Exp number, first 60 AAs:
0
Total prob of N-in:
0.00613
outside
1  -  520
 
 

Population Genetic Test Statistics

Pi
269.31313
Theta
195.190418
Tajima's D
0.949433
CLR
0.389685
CSRT
0.649067546622669
Interpretation
Uncertain
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