Streptococcus ferus

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

Average proteome isoelectric point is 6.26

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 1812 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|A0A2X3VID1|A0A2X3VID1_9STRE Nicotinamidase/pyrazinamidase OS=Streptococcus ferus OX=1345 GN=NCTC12278_01728 PE=4 SV=1
MM1 pKa = 7.32PTYY4 pKa = 10.54TDD6 pKa = 3.93GEE8 pKa = 4.27EE9 pKa = 3.87LQIALEE15 pKa = 4.32EE16 pKa = 4.54YY17 pKa = 9.44EE18 pKa = 4.26VSSKK22 pKa = 11.27GEE24 pKa = 3.59QVTIGKK30 pKa = 9.37NDD32 pKa = 3.94EE33 pKa = 4.17IVIGTVTQVYY43 pKa = 10.42DD44 pKa = 3.55NTSGAGEE51 pKa = 3.94

Molecular weight: 5.51 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A2X3W0D6|A0A2X3W0D6_9STRE Putative proton-coupled thiamine transporter YuaJ OS=Streptococcus ferus OX=1345 GN=thiT PE=4 SV=1
MM1 pKa = 7.92PKK3 pKa = 10.14QKK5 pKa = 7.59THH7 pKa = 6.46RR8 pKa = 11.84ASAKK12 pKa = 8.58RR13 pKa = 11.84FKK15 pKa = 10.11RR16 pKa = 11.84TGSGGLKK23 pKa = 10.04RR24 pKa = 11.84FRR26 pKa = 11.84AYY28 pKa = 9.4TSHH31 pKa = 7.17RR32 pKa = 11.84FHH34 pKa = 7.37GKK36 pKa = 6.22TKK38 pKa = 9.47KK39 pKa = 9.37QRR41 pKa = 11.84RR42 pKa = 11.84HH43 pKa = 4.65LRR45 pKa = 11.84KK46 pKa = 9.84ASMVSAGDD54 pKa = 3.58FKK56 pKa = 10.91RR57 pKa = 11.84IKK59 pKa = 11.06SMLTRR64 pKa = 11.84LKK66 pKa = 10.92

Molecular weight: 7.77 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

1812

0

1812

554771

31

2197

306.2

34.23

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

8.043 ± 0.056

0.482 ± 0.015

5.936 ± 0.048

6.575 ± 0.065

4.528 ± 0.046

6.643 ± 0.056

1.897 ± 0.028

6.989 ± 0.056

6.577 ± 0.053

10.422 ± 0.082

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.388 ± 0.027

4.207 ± 0.042

3.333 ± 0.032

4.339 ± 0.037

4.109 ± 0.046

6.377 ± 0.058

5.725 ± 0.063

6.757 ± 0.049

0.886 ± 0.02

3.787 ± 0.04
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