ChemSpider 2D Image | Chemotactic peptide | C21H31N3O5S

Chemotactic peptide

  • Molecular FormulaC21H31N3O5S
  • Average mass437.553 Da
  • Monoisotopic mass437.198456 Da
  • ChemSpider ID391541
  • defined stereocentres - 3 of 3 defined stereocentres

More details:

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

Chemotactic peptide [Wiki]
L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)-
L-Phenylalanine, N-formyl-L-methionyl-L-leucyl- [ACD/Index Name]
N-Formyl-L-methionyl-L-leucyl-L-phenylalanin [German] [ACD/IUPAC Name]
N-Formyl-L-methionyl-L-leucyl-L-phenylalanine [ACD/IUPAC Name]
N-Formyl-L-méthionyl-L-leucyl-L-phénylalanine [French] [ACD/IUPAC Name]
N-Formylmethionine leucyl-phenylalanine
(2S)-2-[[(2S)-2-[[(2S)-2-formamido-4-methylsulfanylbutanoyl]amino]-4-methylpentanoyl]amino]-3-phenylpropanoic acid

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

47729_FLUKA [DBID]
C11596 [DBID]

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.2±0.1 g/cm3
Boiling Point: 783.5±60.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.9 mmHg at 25°C
Enthalpy of Vaporization: 119.6±3.0 kJ/mol
Flash Point: 427.6±32.9 °C
Index of Refraction: 1.551
Molar Refractivity: 116.5±0.3 cm3
#H bond acceptors: 8
#H bond donors: 4
#Freely Rotating Bonds: 13
#Rule of 5 Violations: 0
ACD/LogP: 3.13
ACD/LogD (pH 5.5): -0.54
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.04
ACD/LogD (pH 7.4): -1.83
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 150 Å2
Polarizability: 46.2±0.5 10-24cm3
Surface Tension: 49.1±3.0 dyne/cm
Molar Volume: 364.9±3.0 cm3

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™

 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.81

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  726.45  (Adapted Stein & Brown method)
    Melting Pt (deg C):  318.38  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.62E-017  (Modified Grain method)
    Subcooled liquid VP: 3.25E-014 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  50.86
       log Kow used: 1.81 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.853e+005 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.19E-021  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.834E-019 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.81  (KowWin est)
  Log Kaw used:  -19.048  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  20.858
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.4251
   Biowin2 (Non-Linear Model)     :   0.9996
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3814  (weeks-months)
   Biowin4 (Primary Survey Model) :   4.1547  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0964
   Biowin6 (MITI Non-Linear Model):   0.0075
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.8857
 Ready Biodegradability Prediction:   NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  4.33E-012 Pa (3.25E-014 mm Hg)
  Log Koa (Koawin est  ): 20.858
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.92E+005 
       Octanol/air (Koa) model:  1.77E+008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  77.7359 E-12 cm3/molecule-sec
      Half-Life =     0.138 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.651 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1856
      Log Koc:  3.269 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 1.81 (estimated)

 Volatilization from Water:
    Henry LC:  2.19E-021 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 5.592E+017  hours   (2.33E+016 days)
    Half-Life from Model Lake : 6.101E+018  hours   (2.542E+017 days)

 Removal In Wastewater Treatment:
    Total removal:               2.10  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.01  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.57e-006       3.3          1000       
   Water     26.7            900          1000       
   Soil      73.2            1.8e+003     1000       
   Sediment  0.0845          8.1e+003     0          
     Persistence Time: 1.33e+003 hr


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