Ostreococcus tauri

Taxonomy: cellular organisms; Eukaryota; Viridiplantae; Chlorophyta; Mamiellophyceae; Mamiellales; Bathycoccaceae; Ostreococcus

Average proteome isoelectric point is 6.61

Get precalculated fractions of proteins

Acidic
pI < 6.8
6.8-7.4
pI > 7.4
Basic
    
All



Virtual 2D-PAGE plot for 7745 proteins (isoelectric point calculated using IPC2_protein)

Get csv file with sequences according to given criteria:
        -     Method 

     -  kDa    
                                                                                      

* You can choose from 21 different methods for calculating isoelectric point

Summary statistics related to proteome-wise predictions


    
Protein with the lowest isoelectric point:
>tr|A0A090N3I6|A0A090N3I6_OSTTA Unnamed product OS=Ostreococcus tauri OX=70448 GN=OT_ostta06g00010 PE=4 SV=1
MM1 pKa = 7.73SSEE4 pKa = 4.17EE5 pKa = 3.99QLSEE9 pKa = 4.1ALADD13 pKa = 3.43AARR16 pKa = 11.84YY17 pKa = 9.68GEE19 pKa = 4.16YY20 pKa = 10.75DD21 pKa = 3.36EE22 pKa = 5.61ARR24 pKa = 11.84AYY26 pKa = 10.94LDD28 pKa = 3.16QGALADD34 pKa = 4.66AYY36 pKa = 10.96DD37 pKa = 4.01GLLYY41 pKa = 10.7AAANGHH47 pKa = 5.41EE48 pKa = 4.5EE49 pKa = 4.15IVNLLLEE56 pKa = 4.28YY57 pKa = 10.68GADD60 pKa = 3.42VNKK63 pKa = 10.23TNEE66 pKa = 4.0QGSTALHH73 pKa = 5.87WACLNGHH80 pKa = 6.69PGIVQLLLDD89 pKa = 4.36KK90 pKa = 11.11GATPKK95 pKa = 10.04ICNEE99 pKa = 4.08AGRR102 pKa = 11.84TALDD106 pKa = 3.49EE107 pKa = 4.47AMHH110 pKa = 6.36NARR113 pKa = 11.84DD114 pKa = 3.74EE115 pKa = 4.28CVKK118 pKa = 10.56ILMEE122 pKa = 4.51AEE124 pKa = 4.09GEE126 pKa = 3.97EE127 pKa = 4.28DD128 pKa = 4.26VEE130 pKa = 4.74LEE132 pKa = 4.7EE133 pKa = 5.71IDD135 pKa = 4.66EE136 pKa = 4.36EE137 pKa = 4.32DD138 pKa = 4.58AEE140 pKa = 5.25DD141 pKa = 3.62VTTDD145 pKa = 3.54EE146 pKa = 5.09EE147 pKa = 4.48EE148 pKa = 4.21QGMDD152 pKa = 3.05

Molecular weight: 16.58 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A090N3E1|A0A090N3E1_OSTTA Inosine/uridine-preferring nucleoside hydrolase OS=Ostreococcus tauri OX=70448 GN=OT_ostta05g02130 PE=3 SV=1
MM1 pKa = 7.89PSNKK5 pKa = 8.27TFKK8 pKa = 10.16IKK10 pKa = 10.51KK11 pKa = 9.52ILGKK15 pKa = 9.62KK16 pKa = 8.76QKK18 pKa = 9.06QNRR21 pKa = 11.84PLPQWIRR28 pKa = 11.84MRR30 pKa = 11.84TGNTIRR36 pKa = 11.84YY37 pKa = 5.79NAKK40 pKa = 8.47RR41 pKa = 11.84RR42 pKa = 11.84HH43 pKa = 4.11WRR45 pKa = 11.84RR46 pKa = 11.84TKK48 pKa = 11.06LNLL51 pKa = 3.44

Molecular weight: 6.33 kDa
Isoelectric point according different methods:





Peptides (in silico digests for buttom-up proteomics)

Below you can find in silico digests of the whole proteome with Trypsin, Chymotrypsin, Trypsin+LysC, LysN, ArgC proteases suitable for different mass spec machines.

Try
ESI
ChTry
ESI
ArgC
ESI
LysN
ESI
TryLysC
ESI

Try
MALDI
ChTry
MALDI
ArgC
MALDI
LysN
MALDI
TryLysC
MALDI

Try
LTQ
ChTry
LTQ
ArgC
LTQ
LysN
LTQ
TryLysC
LTQ

Try
MSlow
ChTry
MSlow
ArgC
MSlow
LysN
MSlow
TryLysC
MSlow

Try
MShigh
ChTry
MShigh
ArgC
MShigh
LysN
MShigh
TryLysC
MShigh

General Statistics

Number of major isoforms

Number of additional isoforms

Number of all proteins

Number of amino acids

Min. Seq. Length

Max. Seq. Length

Avg. Seq. Length

Avg. Mol. Weight

7743

2

7745

3561553

30

11265

459.9

50.46

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

11.475 ± 0.042

1.612 ± 0.014

6.337 ± 0.02

7.185 ± 0.036

3.447 ± 0.017

7.275 ± 0.032

1.932 ± 0.014

3.89 ± 0.019

4.698 ± 0.026

8.181 ± 0.036

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.439 ± 0.012

2.933 ± 0.016

4.232 ± 0.027

2.582 ± 0.019

7.969 ± 0.034

7.155 ± 0.028

5.773 ± 0.02

7.422 ± 0.022

1.218 ± 0.009

2.228 ± 0.014
Note: For amino acid frequency statistics the error has been estimated with the bootstraping (x100) at the protein level

Most of the basic statistics you can see at this page can be downloaded from this CSV file

For dipeptide frequency statistics click here
See this proteome in: uniprot_link
Proteome-pI is available under Creative Commons Attribution-NoDerivs license, for more details see here

Reference: Kozlowski LP. Proteome-pI 2.0: Proteome Isoelectric Point Database Update. Nucleic Acids Res. 2021, doi: 10.1093/nar/gkab944 Contact: Lukasz P. Kozlowski