Streptococcus sp. 28462

Taxonomy: cellular organisms; Bacteria; Terrabacteria group; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae; Streptococcus

Average proteome isoelectric point is 6.13

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 1977 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|A0A3L9DNV8|A0A3L9DNV8_9STRE Threonine synthase OS=Streptococcus sp. 28462 OX=2282420 GN=EAF07_07200 PE=3 SV=1
MM1 pKa = 7.41LKK3 pKa = 10.26IIVHH7 pKa = 6.51AFAEE11 pKa = 4.26PTEE14 pKa = 4.15AVVEE18 pKa = 3.97VLYY21 pKa = 10.89ASEE24 pKa = 4.51DD25 pKa = 3.65EE26 pKa = 4.39NVISNKK32 pKa = 8.39MAEE35 pKa = 4.43FTTQYY40 pKa = 10.44PNDD43 pKa = 3.64YY44 pKa = 10.08LAVYY48 pKa = 9.43DD49 pKa = 5.02LPLDD53 pKa = 3.67VDD55 pKa = 4.77LGSLPHH61 pKa = 6.22YY62 pKa = 9.37PSVAISPDD70 pKa = 3.52DD71 pKa = 3.84FNGGEE76 pKa = 4.25GG77 pKa = 3.41

Molecular weight: 8.45 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A3L9DKZ5|A0A3L9DKZ5_9STRE Uncharacterized protein OS=Streptococcus sp. 28462 OX=2282420 GN=EAF07_08060 PE=4 SV=1
MM1 pKa = 7.35KK2 pKa = 9.43RR3 pKa = 11.84TYY5 pKa = 10.07QPSKK9 pKa = 9.67IRR11 pKa = 11.84RR12 pKa = 11.84QRR14 pKa = 11.84KK15 pKa = 7.52HH16 pKa = 5.2GFRR19 pKa = 11.84HH20 pKa = 6.39RR21 pKa = 11.84MSTKK25 pKa = 9.02NGRR28 pKa = 11.84RR29 pKa = 11.84VLAARR34 pKa = 11.84RR35 pKa = 11.84RR36 pKa = 11.84KK37 pKa = 8.81GRR39 pKa = 11.84KK40 pKa = 8.75VLSAA44 pKa = 4.05

Molecular weight: 5.36 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

1977

0

1977

596538

18

2196

301.7

33.8

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

7.671 ± 0.072

0.538 ± 0.016

5.784 ± 0.042

7.207 ± 0.064

4.497 ± 0.045

6.621 ± 0.052

1.902 ± 0.025

7.081 ± 0.049

6.725 ± 0.054

9.964 ± 0.069

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.498 ± 0.025

4.421 ± 0.038

3.353 ± 0.033

3.873 ± 0.036

3.989 ± 0.043

5.982 ± 0.041

6.075 ± 0.049

7.091 ± 0.05

0.943 ± 0.023

3.785 ± 0.041
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