Streptococcus sp. X16XC17

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

Average proteome isoelectric point is 6.11

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 1412 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|A0A4R0QL80|A0A4R0QL80_9STRE Ribosomal RNA large subunit methyltransferase H OS=Streptococcus sp. X16XC17 OX=2316646 GN=rlmH PE=3 SV=1
MM1 pKa = 7.51NIKK4 pKa = 10.18LLPEE8 pKa = 3.71KK9 pKa = 10.41CIAYY13 pKa = 8.9GLCQTYY19 pKa = 10.61SKK21 pKa = 11.0EE22 pKa = 3.94FDD24 pKa = 3.8YY25 pKa = 11.47DD26 pKa = 4.0DD27 pKa = 5.96DD28 pKa = 6.49DD29 pKa = 6.78DD30 pKa = 6.6GIVVFANHH38 pKa = 7.3DD39 pKa = 3.55GLEE42 pKa = 4.17ANFPDD47 pKa = 5.67DD48 pKa = 5.37ADD50 pKa = 4.26LLLASKK56 pKa = 10.37SCPTKK61 pKa = 10.77AILSDD66 pKa = 3.39

Molecular weight: 7.29 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A4R0QRR9|A0A4R0QRR9_9STRE Glutamate--tRNA ligase OS=Streptococcus sp. X16XC17 OX=2316646 GN=gltX PE=3 SV=1
MM1 pKa = 7.45KK2 pKa = 9.59RR3 pKa = 11.84TFQPSKK9 pKa = 9.26IRR11 pKa = 11.84RR12 pKa = 11.84ARR14 pKa = 11.84KK15 pKa = 8.35HH16 pKa = 4.77GFRR19 pKa = 11.84NRR21 pKa = 11.84MATKK25 pKa = 9.7NGRR28 pKa = 11.84RR29 pKa = 11.84VLAARR34 pKa = 11.84RR35 pKa = 11.84RR36 pKa = 11.84KK37 pKa = 8.78GRR39 pKa = 11.84KK40 pKa = 8.38VLAVAA45 pKa = 4.94

Molecular weight: 5.33 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

1412

0

1412

409481

22

2253

290.0

32.42

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

7.984 ± 0.063

0.497 ± 0.017

5.737 ± 0.05

7.195 ± 0.07

4.457 ± 0.057

6.659 ± 0.055

2.001 ± 0.029

7.247 ± 0.055

6.396 ± 0.055

9.971 ± 0.084

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.631 ± 0.032

4.211 ± 0.041

3.32 ± 0.033

4.19 ± 0.047

4.137 ± 0.049

5.989 ± 0.045

5.817 ± 0.056

7.173 ± 0.054

0.824 ± 0.021

3.565 ± 0.045
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