Streptococcus infantis SK970

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

Average proteome isoelectric point is 6.19

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 2144 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|F9PUJ1|F9PUJ1_9STRE ABC transporter permease protein OS=Streptococcus infantis SK970 OX=1035189 GN=HMPREF9954_0895 PE=3 SV=1
MM1 pKa = 7.28KK2 pKa = 9.87RR3 pKa = 11.84DD4 pKa = 3.37EE5 pKa = 5.08FGFILPNLYY14 pKa = 10.4YY15 pKa = 10.62QFLTEE20 pKa = 4.68LKK22 pKa = 10.21EE23 pKa = 3.69IDD25 pKa = 3.98PYY27 pKa = 11.28EE28 pKa = 5.54IGDD31 pKa = 4.33SGICLYY37 pKa = 10.78AQEE40 pKa = 5.16DD41 pKa = 3.74LQEE44 pKa = 4.4RR45 pKa = 11.84NEE47 pKa = 4.19TYY49 pKa = 10.3QIEE52 pKa = 4.57EE53 pKa = 4.14VEE55 pKa = 4.17PDD57 pKa = 3.28YY58 pKa = 11.59FMIGQEE64 pKa = 3.56GDD66 pKa = 2.95LAYY69 pKa = 10.23FIKK72 pKa = 10.68KK73 pKa = 10.41NSDD76 pKa = 3.05DD77 pKa = 4.51CIYY80 pKa = 10.94EE81 pKa = 4.03NDD83 pKa = 3.68LGALGSLEE91 pKa = 4.12MQKK94 pKa = 10.32VAANVYY100 pKa = 10.61DD101 pKa = 4.89FIEE104 pKa = 4.4KK105 pKa = 9.97VLKK108 pKa = 10.81EE109 pKa = 4.04EE110 pKa = 4.26LL111 pKa = 3.56

Molecular weight: 13.02 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|F9PZ73|F9PZ73_9STRE SseB domain-containing protein OS=Streptococcus infantis SK970 OX=1035189 GN=HMPREF9954_0345 PE=4 SV=1
MM1 pKa = 7.35KK2 pKa = 9.43RR3 pKa = 11.84TYY5 pKa = 10.24QPSKK9 pKa = 9.82LRR11 pKa = 11.84RR12 pKa = 11.84ARR14 pKa = 11.84KK15 pKa = 8.57HH16 pKa = 4.75GFRR19 pKa = 11.84NRR21 pKa = 11.84MSTKK25 pKa = 9.22NGRR28 pKa = 11.84RR29 pKa = 11.84VLAARR34 pKa = 11.84RR35 pKa = 11.84RR36 pKa = 11.84KK37 pKa = 8.87GRR39 pKa = 11.84KK40 pKa = 8.75VLAAA44 pKa = 4.31

Molecular weight: 5.27 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

2144

0

2144

564361

37

2882

263.2

29.55

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

7.409 ± 0.061

0.543 ± 0.017

5.738 ± 0.043

7.486 ± 0.063

4.486 ± 0.052

6.573 ± 0.055

1.831 ± 0.024

7.06 ± 0.062

6.949 ± 0.059

9.815 ± 0.09

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.461 ± 0.029

4.499 ± 0.038

3.445 ± 0.049

4.067 ± 0.043

4.035 ± 0.036

6.08 ± 0.05

5.844 ± 0.081

6.987 ± 0.047

0.922 ± 0.017

3.767 ± 0.042
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