Streptococcus sp. DD13

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

Average proteome isoelectric point is 6.21

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 1649 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|A0A139NPE3|A0A139NPE3_9STRE Thiamin pyrophosphokinase OS=Streptococcus sp. DD13 OX=1777881 GN=STRDD13_01381 PE=4 SV=1
MM1 pKa = 6.17MAKK4 pKa = 10.33YY5 pKa = 10.33GFLDD9 pKa = 3.25ILVDD13 pKa = 4.22VMDD16 pKa = 4.02QNFSYY21 pKa = 10.39DD22 pKa = 4.48YY23 pKa = 10.58EE24 pKa = 4.5INWDD28 pKa = 3.8KK29 pKa = 11.2KK30 pKa = 7.99NHH32 pKa = 5.22AVEE35 pKa = 4.32VTFVLEE41 pKa = 4.24AQNQAGVEE49 pKa = 4.25TVDD52 pKa = 5.07DD53 pKa = 4.12SGTASGEE60 pKa = 4.14DD61 pKa = 3.26IVFEE65 pKa = 5.1DD66 pKa = 4.18YY67 pKa = 11.62VLFYY71 pKa = 11.26NPAKK75 pKa = 10.12TRR77 pKa = 11.84FDD79 pKa = 3.43AADD82 pKa = 3.58YY83 pKa = 10.72LVAIPYY89 pKa = 8.64EE90 pKa = 4.19PKK92 pKa = 10.36KK93 pKa = 10.93GLSQEE98 pKa = 3.88FLAYY102 pKa = 9.77FAEE105 pKa = 4.37TLNEE109 pKa = 3.99VANDD113 pKa = 4.08GLSDD117 pKa = 4.69LMDD120 pKa = 4.54FLADD124 pKa = 4.08DD125 pKa = 4.16GAEE128 pKa = 4.02EE129 pKa = 5.26FGLVWDD135 pKa = 4.29QEE137 pKa = 4.2AFKK140 pKa = 11.06AGLANLEE147 pKa = 4.03EE148 pKa = 4.68TTFYY152 pKa = 10.61PYY154 pKa = 10.36PRR156 pKa = 11.84YY157 pKa = 10.24

Molecular weight: 17.85 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A139NNZ5|A0A139NNZ5_9STRE Dihydrofolate reductase OS=Streptococcus sp. DD13 OX=1777881 GN=STRDD13_01327 PE=4 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 = 4.78GFRR19 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 = 8.81GRR39 pKa = 11.84KK40 pKa = 8.95VLTAAA45 pKa = 4.49

Molecular weight: 5.35 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

1649

0

1649

483867

37

1543

293.4

32.86

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

7.72 ± 0.076

0.493 ± 0.015

5.55 ± 0.042

7.133 ± 0.061

4.478 ± 0.052

6.818 ± 0.058

2.022 ± 0.029

6.841 ± 0.059

5.943 ± 0.056

10.298 ± 0.089

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.425 ± 0.03

3.92 ± 0.044

3.468 ± 0.033

4.611 ± 0.052

4.573 ± 0.053

6.357 ± 0.091

5.667 ± 0.053

7.106 ± 0.053

0.889 ± 0.022

3.69 ± 0.038
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