Prochlorococcus marinus (strain NATL2A)

Taxonomy: cellular organisms; Bacteria; Terrabacteria group; Cyanobacteria/Melainabacteria group; Cyanobacteria; Synechococcales; Prochloraceae; Prochlorococcus; Prochlorococcus marinus

Average proteome isoelectric point is 6.83

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 2142 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|Q46KY3|Q46KY3_PROMT ATP-dependent zinc metalloprotease FtsH OS=Prochlorococcus marinus (strain NATL2A) OX=59920 GN=ftsH PE=3 SV=1
MM1 pKa = 7.55VEE3 pKa = 3.79QNALKK8 pKa = 10.98VKK10 pKa = 10.33DD11 pKa = 4.51CYY13 pKa = 11.11SHH15 pKa = 6.57QNLSIFTLGEE25 pKa = 3.95VIEE28 pKa = 4.68ISSNQYY34 pKa = 10.55GLSLFSGMISLLALGVYY51 pKa = 9.19TLLTVDD57 pKa = 5.1AGNDD61 pKa = 3.75DD62 pKa = 4.89DD63 pKa = 6.89DD64 pKa = 6.18SDD66 pKa = 4.2SGSGGLMQPVNN77 pKa = 3.75

Molecular weight: 8.2 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|Q46JP3|Q46JP3_PROMT Flavodoxin OS=Prochlorococcus marinus (strain NATL2A) OX=59920 GN=PMN2A_0794 PE=3 SV=1
MM1 pKa = 7.41TKK3 pKa = 9.05RR4 pKa = 11.84TFGGTSRR11 pKa = 11.84KK12 pKa = 9.13RR13 pKa = 11.84KK14 pKa = 8.17RR15 pKa = 11.84VSGFRR20 pKa = 11.84VRR22 pKa = 11.84MRR24 pKa = 11.84SHH26 pKa = 6.1TGRR29 pKa = 11.84RR30 pKa = 11.84VVRR33 pKa = 11.84TRR35 pKa = 11.84RR36 pKa = 11.84KK37 pKa = 9.18RR38 pKa = 11.84GRR40 pKa = 11.84SRR42 pKa = 11.84LTVV45 pKa = 3.04

Molecular weight: 5.42 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

2142

0

2142

534346

27

1821

249.5

27.89

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

6.466 ± 0.082

1.135 ± 0.018

5.245 ± 0.051

6.544 ± 0.052

4.317 ± 0.046

6.81 ± 0.059

1.68 ± 0.024

7.998 ± 0.062

7.188 ± 0.065

11.131 ± 0.08

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.004 ± 0.022

5.326 ± 0.055

4.082 ± 0.032

3.451 ± 0.032

4.523 ± 0.047

7.834 ± 0.046

4.717 ± 0.042

5.572 ± 0.055

1.428 ± 0.028

2.55 ± 0.032
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