SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO14632  Validated by peptides from experiments
Pre Gene Modal
BGIBMGA009562
Annotation
proteasome_25_kDa_subunit_[Bombyx_mori]
Full name
Proteasome subunit alpha type       + More
Proteasome endopeptidase complex      
Proteasome subunit alpha type-2      
Alternative Name
PROS-Dm25
Proteasome 25 kDa subunit
Location in the cell
Cytoplasmic   Reliability : 1.102 Mitochondrial   Reliability : 1.642
 

Sequence

CDS
ATGGCGTCGGAGAGATACAGTTTTTCTCTCACAACATTTAGCCCCTCGGGCAAATTAGTGCAAATCGAATATGCTTTAGCTGCCGTAGCCGCCGGTGGTACTTCCGTCGGCATCAAAGCGTCAAATGGCGTCGTGATTGCCACAGAGAACAAACACAAGAGCATACTGTATGATGAACACAGTGTCAACAAAGTCGAGATGATAACTGGCCACATTGGCATGGTTTACTCGGGAATGGGTCCAGACTATCGTCTACTGGTGACTCAAGCAAGGAAGATGGCCCAGCAGTACTTCTTGATGTATCATGAGCCGATCCCGACTGCGCAATTAGTGCAACGAGTAGCTACGGTCATGCAGGAGTACACACAGTCGGGTGGCGTCCGACCCTTTGGGGTATCTCTATTGATCTGTGGCTGGGAAGAAGGACGTCCTTACCTGTTCCAGTGTGACCCCTCCGGAGCCTATTTTGCATGGAAAGCCACAGCCATGGGAAAGAACTTTAATAATGGAAAAACTTTCCTTGAAAAAAGATATACAGAAGACTTGGAGTTAGATGACGCAGTTCACACAGCTATCTTGACCCTTAAGGAAGGTTTTGAGGGTCAAATGACTGCAGATAACATAGAAGTTGGCATCTGTGACGCGAGCGGGTTCCGTCGCTTAGAGCCAGCCCACGTGAAGGATTATCTGGCTAACATACCTTAA
Protein
MASERYSFSLTTFSPSGKLVQIEYALAAVAAGGTSVGIKASNGVVIATENKHKSILYDEHSVNKVEMITGHIGMVYSGMGPDYRLLVTQARKMAQQYFLMYHEPIPTAQLVQRVATVMQEYTQSGGVRPFGVSLLICGWEEGRPYLFQCDPSGAYFAWKATAMGKNFNNGKTFLEKRYTEDLELDDAVHTAILTLKEGFEGQMTADNIEVGICDASGFRRLEPAHVKDYLANIP

Summary

Description
The proteasome is a multicatalytic proteinase complex which is characterized by its ability to cleave peptides with Arg, Phe, Tyr, Leu, and Glu adjacent to the leaving group at neutral or slightly basic pH.
Catalytic Activity
Cleavage of peptide bonds with very broad specificity.
Subunit
The 20S proteasome core is composed of 28 subunits that are arranged in four stacked rings, resulting in a barrel-shaped structure. The two end rings are each formed by seven alpha subunits, and the two central rings are each formed by seven beta subunits.
The 26S proteasome consists of a 20S proteasome core and two 19S regulatory subunits. The 20S proteasome core is composed of 28 subunits that are arranged in four stacked rings, resulting in a barrel-shaped structure. The two end rings are each formed by seven alpha subunits, and the two central rings are each formed by seven beta subunits. The catalytic chamber with the active sites is on the inside of the barrel (By similarity). Interacts with Rpn6.
Similarity
Belongs to the peptidase T1A family.
Keywords
Complete proteome   Cytoplasm   Hydrolase   Nucleus   Protease   Proteasome   Reference proteome   Threonine protease  
Feature
chain  Proteasome subunit alpha type-2
EC Number
3.4.25.1
EMBL
BABH01040473    DQ443135    ABF51224.1    AGBW02009557    OWR50511.1    KQ459249    + More
KPJ02269.1    KZ150587    PZC70483.1    NWSH01000465    PCG76216.1    ODYU01003325    SOQ41928.1    AK402776    BAM19378.1    RSAL01000199    RVE44512.1    GDQN01000176    JAT90878.1    GAIX01014147    JAA78413.1    KM999970    AJK90585.1    GFDL01002569    JAV32476.1    AJVK01058724    AJWK01005308    GFDF01004635    JAV09449.1    KB632400    ERL94906.1    CH477372    EAT42402.1    GANO01001093    JAB58778.1    JXUM01120764    GAPW01003926    KQ566429    JAC09672.1    KXJ70142.1    GDAI01000495    JAI17108.1    NEVH01018378    PNF23523.1    KQ971311    EEZ99004.1    GALX01005513    JAB62953.1    NNAY01000286    OXU29480.1    KK853498    KDR07186.1    KC571852    AGM32351.1    JRES01000378    KNC31833.1    GFDG01000800    JAV17999.1    KK107250    QOIP01000002    EZA54383.1    RLU25341.1    GEZM01075290    JAV64158.1    LBMM01001639    KMQ95959.1    GL449414    EFN82739.1    GL440715    EFN65470.1    KQ977151    KYN05276.1    KQ980895    KYN11768.1    GL888609    EGI59062.1    KQ976509    KYM82668.1    ADTU01000290    KQ983238    KYQ46264.1    KQ981606    LKEZ01003746    KYN39594.1    KYN50714.1    ATLV01013171    KE524842    KFB37421.1    AXCP01004750    AXCM01008446    AXCN02000267    AJ416109    AAAB01008987    CAC94781.1    EAA01264.2    APCN01002050    CCAG010012556    JXJN01018551    UFQS01000653    UFQT01000653    SSX05806.1    SSX26165.1    GGFM01007333    MBW28084.1    GGFK01006391    MBW39712.1    ADMH02001255    ETN63429.1    DS235366    EEB15313.1    GECU01035835    GECU01026257    GECU01021069    JAS71871.1    JAS81449.1    JAS86637.1    GAMD01001162    JAB00429.1    GEBQ01025639    JAT14338.1    KZ288320    PBC28253.1    CH902617    EDV42381.1    GEDC01016727    JAS20571.1    OUUW01000005    SPP80500.1    CM000070    EAL27175.1    CH479198    EDW28083.1    PNF23524.1    CM000160    EDW97105.1    CH954181    EDV49363.1    CH933806    EDW15434.1    CM000364    EDX13205.1    CH480815    EDW42449.1    X70304    AE014297    AY069280    CH940650    EDW67991.1    CH916374    EDV91470.1    GDIP01118812    GDIP01106963    GDIP01092860    LRGB01001253    JAL96751.1    KZS13175.1    GDIP01191102    JAJ32300.1    GDIP01152788    JAJ70614.1    GDIP01191101    JAJ32301.1    GDIQ01247459    JAK04266.1    GDIQ01247458    JAK04267.1    GDIQ01217170    JAK34555.1   
Pfam
PF00227   Proteasome        + More
PF10584   Proteasome_A_N
Interpro
IPR023332   Proteasome_alpha-type        + More
IPR034644   Proteasome_subunit_alpha2       
IPR001353   Proteasome_sua/b       
IPR029055   Ntn_hydrolases_N       
IPR000426   Proteasome_asu_N       
SUPFAM
SSF56235   SSF56235       
Gene 3D
PDB
6AVO     E-value=4.36177e-111,     Score=1023

Ontologies

Topology

Subcellular location
Cytoplasm  
Nucleus  
Length:
234
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
1.42552
Exp number, first 60 AAs:
1.23043
Total prob of N-in:
0.03827
outside
1  -  234
 
 

Population Genetic Test Statistics

Pi
227.602846
Theta
166.475632
Tajima's D
1.918197
CLR
1.925987
CSRT
0.871656417179141
Interpretation
Uncertain
Peptides ×
Source Sequence Identity Evalue
25044914 SIIYDEHSVNK 96.77 2e-16
28556443 ASNGVVIATENK 100.00 5e-09
25044914 VEIWINR 100.00 4e-08
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