SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO16370  Validated by peptides from experiments
Pre Gene Modal
BGIBMGA013746
Annotation
prophenoloxidase_activating_enzyme_precursor_[Bombyx_mori]
Full name
Phenoloxidase-activating enzyme      
Alternative Name
Prophenoloxidase-activating enzyme
Location in the cell
Extracellular   Reliability : 4.629
 

Sequence

CDS
ATGTTTTTAATTTGGACATTCATCGTGGCTGTTCTGGCGATCCAGACCAAAAGTGTTGTTGCACAATCATGCCGGACACCGAACGGACTTAACGGTAATTGCGTATCCGTGTATGAATGCCAGGCACTCCTGGCCATATTAAATAATCAGAGGAGAACCCAGCAAGATGAGAAGTTCTTGAGGGACTCCCAATGCGGCACCAAGAATTCAGTTCCTGCTGTTTGCTGTCCATGCAACGCAGCTGATGGTCAGCAAGGGAATTGTGTCAACATAAATTCATGTCCGTACGTTCTTCAATTGCTGAAGAATCCGAATGAAGCGAATCTAAATTACGTCCGGGGATCTGTTTGTCAAGGATCAGAACAACAGAGCATATGCTGTGTTACTGCGCCACAGTCGACGGCAGTGACCACGACCCCCAGACCGAAGCGGGTGCACGCCTGCCAGAGCGAGATGACTGCCACCCCCCCTAATCCGGAAGGGAAGTGTTGCGGCCGGGACATAGCCGTCGGAGACAAAATCGTTGGTGGTGCGCCCGCATCCATCGACTCGTATCCTTGGCTGGTGGTCATCGAGTATGTGAGGCTCGAGAGGACGATGCTGCTCTGTGGCGGGGCGCTCATCAGCGGGAAGTACGTGCTCACTGCCGGTCATTGCGTGAAAGGAGCGATCTTGGATGTAGGCACGCCGAAAACAGTGCGTCTCGGCGAGTACAACACGACGAACCCGGGCCGTGATTGCGTGTCCGTATCAGCGGGCGGCACGGATTGCACGGACCCATTGGTCAAGATAGGCATTGAGAAGACCATACCTCACCCCGACTATCAGCCCTATCATTTTCTTAGGAAACACGACATCGGGTTGATCAGGCTGCAAAGCATCGCGCCTTTTACAGATTTCATCAGGCCTATATGCTTGCCGAGTACAGATTACACAGTGAACCCGCCAAGTAAATTCGCTCTGACCGTGGCTGGCTGGGGACGATACTTGCAGTTCGACAATGGGACAGTTAGAAGCAGCAAGATCAAGCTTCACGTAACACTGCCTTTTGTACAACGAGACGTCTGCGAAGCAAACCAGAAACCATTGCGCAATGGCCAAAGAATAACATTGTGGAAGGGACAAATGTGTGCCGGCGGTGAAGCAGGTAAAGATTCTTGTAAGGGTGACTCGGGTGGTCCTCTTATGTATGAACATTCCAAAAAATACGAAGCAGTCGGTATTGTGAGCTTCGGACCCGAAAAGTGTGGCCAGATCGATATACCTGGAGTTTACACAAATGTTTATGAATACCTGCCATGGATACAAAATACAATTGAACCTTGA
Protein
MFLIWTFIVAVLAIQTKSVVAQSCRTPNGLNGNCVSVYECQALLAILNNQRRTQQDEKFLRDSQCGTKNSVPAVCCPCNAADGQQGNCVNINSCPYVLQLLKNPNEANLNYVRGSVCQGSEQQSICCVTAPQSTAVTTTPRPKRVHACQSEMTATPPNPEGKCCGRDIAVGDKIVGGAPASIDSYPWLVVIEYVRLERTMLLCGGALISGKYVLTAGHCVKGAILDVGTPKTVRLGEYNTTNPGRDCVSVSAGGTDCTDPLVKIGIEKTIPHPDYQPYHFLRKHDIGLIRLQSIAPFTDFIRPICLPSTDYTVNPPSKFALTVAGWGRYLQFDNGTVRSSKIKLHVTLPFVQRDVCEANQKPLRNGQRITLWKGQMCAGGEAGKDSCKGDSGGPLMYEHSKKYEAVGIVSFGPEKCGQIDIPGVYTNVYEYLPWIQNTIEP

Summary

Description
Endopeptidase with selective post-Arg cleavage site (PubMed:4197814, PubMed:4197815, PubMed:10066809, PubMed:7981662). Activates prophenoloxidase (PubMed:4197814, PubMed:4197815). Has a probable role in the melanization process as part of the innate immune response (Probable).
Biophysicochemical Properties
2.2 uM for prophenoloxidase (at pH 7.6 and 0 degrees Celsius)
1.43 mM for N-benzoyl-L-arginine ethyl ester hydrochloride (BAEE) (in the absence of KCl)
0.77 mM for N-benzoyl-L-arginine ethyl ester hydrochloride (BAEE) (in the presence of 0.025 M KCl)
1.2 mM for N-benzoyl-L-arginine ethyl ester hydrochloride (BAEE) (in the presence of 0.004 M KCl)
0.35 mM for N-benzoyl-L-arginine ethyl ester hydrochloride (BAEE) (in the presence of 0.5 M KCl)
0.145 mM for N-benzoyl-L-arginine ethyl ester hydrochloride (BAEE) (in the presence of 0.5 M KCl)
0.709 mM for N-p-tosyl-L-arginine methyl ester hydrochloride (TAME) (in the presence of 0.5 M KCl)
Subunit
In the active form, heterodimer of a light chain and a heavy chain; disulfide-linked.
Similarity
Belongs to the peptidase S1 family. CLIP subfamily.
Belongs to the peptidase S1 family.
Keywords
Calcium   Complete proteome   Direct protein sequencing   Disulfide bond   Glycoprotein   Hydrolase   Metal-binding   Protease   Pyrrolidone carboxylic acid   Reference proteome   Serine protease   Signal   Zymogen  
Feature
chain  Phenoloxidase-activating enzyme light chain
EC Number
3.4.21.-
EMBL
AB009670    BABH01025554    BAA76308.1    DQ115323    AAZ91696.1    AY077643    + More
AAL76085.1    NWSH01000467    PCG76208.1    KY680241    ATD13322.1    AY677082    AAW24481.1    AB264091    BAF43530.1    AY188445    AAO74570.1    AH014670    AY789466    AAX18637.1    AY672790    AAV91012.1    AAZ91694.1    AY672788    AAV91010.1    AAZ91695.1    AK401411    BAM18033.1    KT751522    AML39475.1    KT751521    AML39474.1    KQ460936    KPJ10700.1    GAIX01000374    JAA92186.1    DQ115324    AAZ91697.1    KQ459547    KPJ00023.1    AGBW02012316    OWR45231.1    AK405456    BAM20768.1    JQ581598    AFX82594.1    KT006138    ANH58163.1    AGBW02009696    OWR50099.1    JTDY01003981    KOB68749.1    BABH01025543    BABH01025544    GALX01002154    JAB66312.1    GU229936    ADA84072.3    AAZX01002213    KZ288322    PBC28172.1    GEZM01073843    JAV64787.1    KQ434809    KZC06390.1    OWR50098.1    KT006137    ANH58162.1    KQ981636    KYN38803.1    KB631684    ERL85365.1    LBMM01001207    KMQ96720.1    BT128420    AEE63377.1    ADTU01016095    GL453666    EFN75742.1    KQ982813    KYQ50307.1    GBYB01001065    JAG70832.1    KQ978957    KYN27230.1    GL888255    EGI63810.1    KK107185    EZA55838.1    AB363980    BAG14262.2    AB282644    BAF36824.1    QOIP01000012    RLU16063.1    KQ459999    KPJ18497.1    CH964232    EDW81362.1    CH954181    EDV48170.1    GAKP01002127    JAC56825.1    APGK01057809    KB741282    ENN70807.1    GDHF01000894    JAI51420.1    GAMC01000094    JAC06462.1    GDHF01030580    JAI21734.1    GBXI01016739    GBXI01006351    JAC97552.1    JAD07941.1    GAKP01015995    JAC42957.1    KQ414704    KOC63285.1    KQ978501    KYM93571.1    GBXI01004615    JAD09677.1    KQ435719    KOX78755.1    GL443059    EFN62639.1    GEZM01073844    JAV64786.1    RSAL01000017    RVE52975.1    JRES01000503    KNC30561.1    CH477325    EAT43491.1    CCAG010023843    APCN01002147    GAMD01000809    JAB00782.1    GDHF01016160    JAI36154.1    GEZM01092820    JAV56445.1    AF117749    AAD38335.1    GAKP01023416    JAC35542.1    AAAB01008794    EAA03566.2    GBXI01007200    JAD07092.1    GEZM01066955    JAV67623.1    KQ976725    KYM76561.1    GAMC01016016    JAB90539.1    EF614332    ABU98654.1    GBXI01006130    JAD08162.1    APCN01002556    GAPW01002093    JAC11505.1    JXUM01042955    JXUM01042956    KQ561344    KXJ78893.1    GEZM01097973    JAV54026.1    UFQT01000091    SSX19534.1    AAAB01008880    EAA08507.4   
Pfam
PF12032   CLIP        + More
PF00089   Trypsin
PF13019   Sde2_N_Ubi
Interpro
IPR022700   CLIP        + More
IPR033116   TRYPSIN_SER       
IPR038565   CLIP_sf       
IPR009003   Peptidase_S1_PA       
IPR001314   Peptidase_S1A       
IPR018114   TRYPSIN_HIS       
IPR001254   Trypsin_dom       
IPR029071   Ubiquitin-like_domsf       
IPR024974   Sde2_N       
SUPFAM
SSF50494   SSF50494        + More
SSF54236   SSF54236       
Gene 3D
PDB
2XXL     E-value=5.88573e-43,     Score=439

Ontologies

Topology

SignalP
Position:   1 - 21,         Likelihood:  0.998347
 
 
Length:
441
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.25092
Exp number, first 60 AAs:
0.24135
Total prob of N-in:
0.01256
outside
1  -  441
 
 

Population Genetic Test Statistics

Pi
215.33969
Theta
165.337877
Tajima's D
0.591947
CLR
0.802715
CSRT
0.542222888855557
Interpretation
Uncertain

Multiple alignment of Orthologues

 
 

Gene Tree

 
 
Peptides ×
Source Sequence Identity Evalue
28467696 GQIVQSVNDNIEK 96.43 1e-13
29197581 GQMCAGGEAGK 96.43 1e-13
21761556 NPNEANLNYVR 100.00 3e-13
29197581 IQSIAPFTDFIRPICIPSTDYTVNPPSK 95.45 4e-09
28467696 RVEDITAVTK 100.00 3e-07
29197581 NSVPAVCCPCNAADGQQGNCVNINSCPYVIQIIK 100.00 3e-07
28467696 VGYTPDYIYIIR 100.00 2e-06
29197581 RVHACQSEMTATPPNPEGK 100.00 2e-06
28467696 KYDNFNVDEIIDNPR 100.00 0.002
29197581 KHDIGIIR 100.00 0.002
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