SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO07133  Validated by peptides from experiments
Pre Gene Modal
BGIBMGA010546
Annotation
prophenoloxidase_activating_enzyme_[Helicoverpa_armigera]
Full name
Serine protease 7       + More
Phenoloxidase-activating factor 1      
CLIP domain-containing serine protease 2      
Alternative Name
Melanization protease 2
Prophenoloxidase-activating factor I
Serine protease PPAF-1
BzArgOEtase
Location in the cell
Extracellular   Reliability : 1.989
 

Sequence

CDS
ATGCGTTGCGGTTTGAAGACTACGGTTCGTCTTGGCGAATACGACACTCAATCTGACCGGGATTGTGTTGACAATGTGTGCGCGGATCCGCCGCAAGACATCCCAGTACTTGCCGTCTATCCTCATCAGGGATTTAGCGACCAGAATAAGAACAGAAAAGATGATATTGGTTTAATTCGATTGGCGAGGAGAGTTACCTATTCATATTACGTTCAACCTATCTGCCTCGTCGAACCGAACGGTCGATTGGACGTAGGTAATGACGTTTTCGTTGCGGGCTGGGGGAAAACCTTAAACGGTCGCAATAGCCCAGTCAAATTAAAACTCAATGTTCCAATATTCGCAAAGAATGATTGCGCCTCAAAATATAGACAATTAGGAGTTGATTTGACTGATAGGCAGATATGTGCTGGTGGTGTATTCGCCGAAGACGCCTGTAGAGGAGACTCCGGCGGACCTCTTATGTTGAGGAGACCTGATGGCGTTTGGGAAACAGTTGCAGTTGTCTCATTTGGTTATGGCTGCGGACGTGATGGATGGCCAGGAGTTTACACTTCGGTAGCTAATTACATAGATTGGATCGAGTCGACTTTGCAATCGTCGAACGAGTGA
Protein
MRCGLKTTVRLGEYDTQSDRDCVDNVCADPPQDIPVLAVYPHQGFSDQNKNRKDDIGLIRLARRVTYSYYVQPICLVEPNGRLDVGNDVFVAGWGKTLNGRNSPVKLKLNVPIFAKNDCASKYRQLGVDLTDRQICAGGVFAEDACRGDSGGPLMLRRPDGVWETVAVVSFGYGCGRDGWPGVYTSVANYIDWIESTLQSSNE

Summary

Description
Serine protease which, by cleaving and activating prophenoloxidase (PPO1) after immune challenge, plays an essential role in the melanization immune response to septic wounding (PubMed:16256951, PubMed:16322759, PubMed:19071960, PubMed:24260243, PubMed:16861233). May function in diverse Hayan-dependent PPO1-activating cascades that are negatively controlled by different serpin proteins; Spn27A in the hemolymph and Spn77BA in the trachea (PubMed:18854145, PubMed:24260243, PubMed:16322759). Important for the innate immune response to fungi (PubMed:16861233). Regulation of melanization and PPO1 activation appears to be largely independent of the Toll signaling pathway (PubMed:16861233).
Serine endopeptidase which, by cleaving prophenoloxidase PPO1 and PPO2, is required for the activation of the prophenoloxidase cascade probably following the recognition of pathogen-derived products.
Endopeptidase with selective post-Arg cleavage site (PubMed:16399077, PubMed:7737188). Might play a role in innate immunity in response to fungal and Gram-positive bacterial infections (PubMed:16399077).
Subunit
Interacts with Spn27A.
In the active form, heterodimer of a light chain and a heavy chain; disulfide-linked (Probable).
In the active form, heterodimer of a light chain and a heavy chain; disulfide-linked.
Similarity
Belongs to the peptidase S1 family.
Belongs to the peptidase S1 family. CLIP subfamily.
Keywords
Calcium   Complete proteome   Disulfide bond   Glycoprotein   Hydrolase   Metal-binding   Protease   Reference proteome   Secreted   Serine protease   Signal   Zymogen   3D-structure   Direct protein sequencing   Immunity   Innate immunity   Cleavage on pair of basic residues  
Feature
propeptide  Activation peptide
chain  Serine protease 7
EC Number
3.4.21.-
EMBL
BABH01005537    BABH01005538    ODYU01000283    SOQ34775.1    GAIX01004665    JAA87895.1    + More
NWSH01000833    PCG73946.1    KY680243    ATD13324.1    EF614332    ABU98654.1    AF059728    AAC64004.1    AY789465    AM293327    AAX18636.1    CAL25132.1    AY677081    AAW24480.1    GU953224    ADF43208.1    JQ581597    AFX82593.1    KT006136    ANH58161.1    KQ460883    KPJ11099.1    AK402671    BAM19293.1    AK401271    BAM17893.1    RSAL01000017    RVE52975.1    AGBW02014220    OWR42068.1    JTDY01000666    KOB76290.1    KQ459603    KPI92860.1    AF261976    AAF74738.1    LC150880    BAV01246.1    KQ971312    KYB29266.1    EEZ99203.2    GEZM01081962    JAV61464.1    GBXI01001381    JAD12911.1    CCAG010023843    KX346579    ASN76826.1    GEZM01081961    JAV61465.1    CH964232    EDW81362.1    AE014297    AF233093    AY665379    BT128742    AAF43410.1    AAT76546.1    AEH59645.1    CH954181    EDV48170.1    GAMC01016016    JAB90539.1    DS231869    EDS40917.1    GANO01002346    JAB57525.1    GDHF01006992    JAI45322.1    BT127992    AEE62954.1    GFDL01009047    JAV25998.1    CH480821    EDW55257.1    CM000364    EDX12012.1    OUUW01000008    SPP84087.1    CM000070    EDY68533.1    EAL28934.1    CM000160    EDW96345.1    CH479185    EDW38179.1    GAMC01002145    JAC04411.1    GBXI01016739    GBXI01006351    JAC97552.1    JAD07941.1    CVRI01000039    CRK94579.1    GAPW01004503    JAC09095.1    JRES01000503    KNC30561.1    CH916369    EDV93353.1    ODYU01001850    SOQ38623.1    CH902617    EDV41857.1    CH933806    EDW14191.1    AAZX01002213    GL764655    EFZ17385.1    GAKP01004269    JAC54683.1    CH940652    EDW59556.1    GEZM01002864    JAV97108.1    AB363980    BAG14262.2    GDHF01016160    JAI36154.1    KQ435719    KOX78755.1    AK402861    KQ459604    BAM19428.1    KPI92345.1    GAKP01023416    JAC35542.1    AB013088    BAA34642.1    KQ460045    KPJ18151.1    GAPW01001836    JAC11762.1    AB035418    AY061936    DQ157441    BABH01019990    AAL31707.1    ABB58762.1    BAE73254.1    JXUM01015012    JXUM01015013    KQ560420    KXJ82504.1    NWSH01005677    PCG64066.1    GAPW01002593    JAC11005.1    GAPW01002093    JAC11505.1    JXUM01042955    JXUM01042956    KQ561344    KXJ78893.1    CP012526    ALC47976.1    GBYB01001065    JAG70832.1    GEHC01000168    JAV47477.1    CH477325    EAT43491.1    GDHF01013623    JAI38691.1    GDHF01024094    GDHF01019994    JAI28220.1    JAI32320.1    JXUM01044209    JXUM01044210    KQ561391    KXJ78725.1    CH477278    EAT45085.1    KQ971352    EFA07558.1    GEZM01092820    JAV56445.1    KY680242    KZ150014    ATD13323.1    PZC75014.1    ALC47552.1    KK107185    EZA55838.1    GL453666    EFN75742.1    AY672784    AAV91006.1    KQ982813    KYQ50307.1    QOIP01000012    RLU16063.1    KZ288322    PBC28172.1    CH964272    EDW84439.2   
Pfam
PF00089   Trypsin        + More
PF12032   CLIP
PF13019   Sde2_N_Ubi
Interpro
IPR001314   Peptidase_S1A        + More
IPR009003   Peptidase_S1_PA       
IPR018114   TRYPSIN_HIS       
IPR022700   CLIP       
IPR038565   CLIP_sf       
IPR001254   Trypsin_dom       
IPR033116   TRYPSIN_SER       
IPR024974   Sde2_N       
SUPFAM
SSF50494   SSF50494       
Gene 3D
PDB
2OLG     E-value=7.10675e-42,     Score=425

Ontologies

Topology

Subcellular location
Secreted  
Length:
203
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.01573
Exp number, first 60 AAs:
0.00017
Total prob of N-in:
0.28753
outside
1  -  203
 
 

Population Genetic Test Statistics

Pi
126.347952
Theta
141.898705
Tajima's D
-0.588389
CLR
0
CSRT
0.224038798060097
Interpretation
Uncertain
Peptides ×
Source Sequence Identity Evalue
29197581 YIQITDYAWPYTMEHQSGVCIGSDEQR 96.67 8e-16
24402669 QICAGGIAGR 100.00 6e-04
28467696 QICAGGIAGR 100.00 6e-04
29197581 KDDIGIIR 100.00 6e-04
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