General Information of the Protein
Protein ID
PT03484
Protein Name
Kallikrein-4
Secondarily
Protein Name
Enamel matrix serine proteinase 1
Kallikrein-like protein 1
Prostase
Serine protease 17
Gene Name
KLK4
Secondarily
Gene Name
EMSP1
PRSS17
PSTS
Sequence
MATAGNPWGWFLGYLILGVAGSLVSGSCSQIINGEDCSPHSQPWQAALVMENELFCSGVLVHPQWVLSAAHCFQNSYTIGLGLHSLEADQEPGSQMVEASLSVRHPEYNRPLLANDLMLIKLDESVSESDTIRSISIASQCPTAGNSCLVSGWGLLANGRMPTVLQCVNVSVVSEEVCSKLYDPLYHPSMFCAGGGHDQKDSCNGDSGGPLICNGYLQGLVSFGKAPCGQVGVPGVYTNLCKFTEWIEKTVQAS
    Show/Hide
Organism
Homo sapiens, Human
Protein Classification
Enzyme
>
Protease
>
Serine protease
>
Serine protease PA clan
>
Serine protease S1A subfamily
Function
Has a major role in enamel formation (PubMed:15235027). Required during the maturation stage of tooth development for clearance of enamel proteins and normal structural patterning of the crystalline matrix (By similarity).
    Show/Hide
Uniprot ID
Primary ID:
Q9Y5K2

Secondarily ID:
Q4VB16
Q96RU5
Q9GZL6
Q9UBJ6
    Show/Hide
Ensembl ID
ENSG00000167749
HGNC ID
HGNC:6365
Subcellular Location
Secreted
Map of Molecular Bioactivity Related to the Protein
Map of Molecular Bioactivity Related to the Protein

Protein
Cell Line
Compound

Bioactivity Value:

<= 0.1 μM
> 0.1 μM and <= 10 μM
> 10 μM
Imprecise Activity
Table of Molecular Bioactivities Related to the Protein
Cell Line ID: CL000013 , Sf9
 Cell Line Info 
Compound ID Compound Name Compound Formula
CP0349544
 Compound Info 
2-[(aR,1R,3aS,4S,10S,16R,19S,22S,25S,28S,31S,34R,37S,40S,43S,46S,49S,52S,55R,58S,67S,70S,76S,82R,85S,91S,97S)-37,40-bis(4-aminobutyl)-91-(2-amino-2-oxoethyl)-52-(3-amino-3-oxopropyl)-58-benzyl-3a,46-bis[(2S)-butan-2-yl]-28,31,49,97-tetrakis(3-carbamimidamidopropyl)-19,67-bis(carboxymethyl)-22,70,76-tris(hydroxymethyl)-85-[(4-hydroxyphenyl)methyl]-4-methyl-43-(2-methylpropyl)-2a,3,5a,6,9,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99-tetratriacontaoxo-7a,8a,11a,12a,15a,16a-hexathia-1a,2,4a,5,8,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,59,62,65,68,71,74,77,80,83,86,89,92,95,98-tetratriacontazapentacyclo[53.50.4.416,82.434,100.010,14]heptadecahectan-25-yl]acetic acid
   Show/Hide
C142H224N50O46S6
  1
1
Ki = 0.1 nM
 Bioactivity Info 
   TI
   LI
   LO
   TS
CP0533405
 Compound Info 
2-[(aR,1R,3aS,4S,10S,16R,19S,22S,25S,28S,31S,34R,37S,40S,43S,46S,49S,52S,55R,58S,67S,70S,76S,82R,85S,91S,97S)-37,40,49-tris(4-aminobutyl)-91-(2-amino-2-oxoethyl)-52-(3-amino-3-oxopropyl)-3a,46-bis[(2S)-butan-2-yl]-28,31,97-tris(3-carbamimidamidopropyl)-19,67-bis(carboxymethyl)-22,70,76-tris(hydroxymethyl)-85-[(4-hydroxyphenyl)methyl]-4-methyl-43-(2-methylpropyl)-2a,3,5a,6,9,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99-tetratriacontaoxo-58-propan-2-yl-7a,8a,11a,12a,15a,16a-hexathia-1a,2,4a,5,8,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,59,62,65,68,71,74,77,80,83,86,89,92,95,98-tetratriacontazapentacyclo[53.50.4.416,82.434,100.010,14]heptadecahectan-25-yl]acetic acid
   Show/Hide
C138H224N48O46S6
  1
1
Ki = 0.13 nM
 Bioactivity Info 
   TI
   LI
   LO
   TS
CP0539355
 Compound Info 
2-[(1R,6aS,7S,10S,13S,16S,19S,22S,25R,28S,31S,34S,37S,40S,43R,49S,55S,58R,61S,64R,67S,73S,79S,82R,88S,94S,97S)-19,22-bis(4-aminobutyl)-73-(2-amino-2-oxoethyl)-13,61-bis[(2S)-butan-2-yl]-10,28,31,67-tetrakis(3-carbamimidamidopropyl)-40,97-bis(carboxymethyl)-37,88,94-tris(hydroxymethyl)-79-[(4-hydroxyphenyl)methyl]-55-methyl-16-(2-methylpropyl)-1a,2,4a,7a,8,11,14,17,20,23,26,29,32,35,38,41,44,50,53,56,59,62,65,68,71,74,77,80,83,86,89,92,95,98-tetratriacontaoxo-6a-propan-2-yl-10a,11a,14a,15a,18a,19a-hexathia-2a,3,5a,8a,9,12,15,18,21,24,27,30,33,36,39,42,45,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99-tetratriacontazahexacyclo[56.50.4.425,64.443,82.03,7.045,49]icosahectan-34-yl]acetic acid
   Show/Hide
C138H223N49O45S6
  1
1
Ki = 0.3 nM
 Bioactivity Info 
   TI
   LI
   LO
   TS
CP0127629
 Compound Info 
2-[(aR,1R,3aS,4S,10S,16R,19S,22S,25S,28S,31S,34R,37S,40S,43S,46S,49S,52S,55R,58S,67S,70S,76S,82R,85S,91S,97S)-97-(4-aminobutyl)-91-(2-amino-2-oxoethyl)-28,31,37,40,52-pentakis(3-amino-3-oxopropyl)-58-benzyl-3a,46-bis[(2S)-butan-2-yl]-49-(3-carbamimidamidopropyl)-19,67-bis(carboxymethyl)-22,70,76-tris(hydroxymethyl)-85-[(4-hydroxyphenyl)methyl]-4-methyl-43-(2-methylpropyl)-2a,3,5a,6,9,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99-tetratriacontaoxo-7a,8a,11a,12a,15a,16a-hexathia-1a,2,4a,5,8,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,59,62,65,68,71,74,77,80,83,86,89,92,95,98-tetratriacontazapentacyclo[53.50.4.416,82.434,100.010,14]heptadecahectan-25-yl]acetic acid
   Show/Hide
C138H208N44O50S6
  1
1
Ki = 0.44 nM
 Bioactivity Info 
   TI
   LI
   LO
   TS
CP0552126
 Compound Info 
2-[(1R,6aS,7S,10S,13S,16S,19S,22S,25R,28S,31S,34S,37S,40S,43R,49S,55S,58R,61S,64R,67S,73S,79S,82R,88S,94S,97S)-10,19,22-tris(4-aminobutyl)-73-(2-amino-2-oxoethyl)-6a-benzyl-13,61-bis[(2S)-butan-2-yl]-28,31,67-tris(3-carbamimidamidopropyl)-40,97-bis(carboxymethyl)-37,88,94-tris(hydroxymethyl)-79-[(4-hydroxyphenyl)methyl]-55-methyl-16-(2-methylpropyl)-1a,2,4a,7a,8,11,14,17,20,23,26,29,32,35,38,41,44,50,53,56,59,62,65,68,71,74,77,80,83,86,89,92,95,98-tetratriacontaoxo-10a,11a,14a,15a,18a,19a-hexathia-2a,3,5a,8a,9,12,15,18,21,24,27,30,33,36,39,42,45,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99-tetratriacontazahexacyclo[56.50.4.425,64.443,82.03,7.045,49]icosahectan-34-yl]acetic acid
   Show/Hide
C142H223N47O45S6
  1
1
Ki = 1.3 nM
 Bioactivity Info 
   TI
   LI
   LO
   TS
CP0365887
 Compound Info 
2-[(1R,3aS,7S,10S,13S,16S,19S,22S,25R,28S,31S,34S,37S,40S,43R,49S,55S,58R,61S,64R,67S,73S,79S,82R,88S,94S,97S)-10,19,22-tris(4-aminobutyl)-73-(2-amino-2-oxoethyl)-13,61-bis[(2S)-butan-2-yl]-28,31,67-tris(3-carbamimidamidopropyl)-40,97-bis(carboxymethyl)-37,88,94-tris(hydroxymethyl)-79-[(4-hydroxyphenyl)methyl]-55-methyl-16-(2-methylpropyl)-1a,2,4a,8,11,14,17,20,23,26,29,32,35,38,41,44,50,53,56,59,62,65,68,71,74,77,80,83,86,89,92,95,98-tritriacontaoxo-3a-propan-2-yl-7a,8a,11a,12a,15a,16a-hexathia-2a,3,5a,9,12,15,18,21,24,27,30,33,36,39,42,45,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99-tritriacontazahexacyclo[56.47.4.425,64.443,82.03,7.045,49]heptadecahectan-34-yl]acetic acid
   Show/Hide
C136H220N46O44S6
  1
1
Ki = 1.6 nM
 Bioactivity Info 
   TI
   LI
   LO
   TS
CP0533404
 Compound Info 
2-[(1R,6aS,7S,10S,13S,16S,19S,22S,25R,28S,31S,34S,37S,40S,43R,49S,55S,58R,61S,64R,67S,73S,79S,82R,88S,94S,97S)-67-(4-aminobutyl)-73-(2-amino-2-oxoethyl)-19,22,28,31-tetrakis(3-amino-3-oxopropyl)-13,61-bis[(2S)-butan-2-yl]-10-(3-carbamimidamidopropyl)-40,97-bis(carboxymethyl)-37,88,94-tris(hydroxymethyl)-79-[(4-hydroxyphenyl)methyl]-55-methyl-16-(2-methylpropyl)-1a,2,4a,7a,8,11,14,17,20,23,26,29,32,35,38,41,44,50,53,56,59,62,65,68,71,74,77,80,83,86,89,92,95,98-tetratriacontaoxo-6a-propan-2-yl-10a,11a,14a,15a,18a,19a-hexathia-2a,3,5a,8a,9,12,15,18,21,24,27,30,33,36,39,42,45,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99-tetratriacontazahexacyclo[56.50.4.425,64.443,82.03,7.045,49]icosahectan-34-yl]acetic acid
   Show/Hide
C134H207N43O49S6
  1
1
Ki = 1.8 nM
 Bioactivity Info 
   TI
   LI
   LO
   TS
Clinical Information about the Protein
Target 1 ( Kallikrein-4 (KLK4) )
Target Type Patented-recorded Target