Streptococcus cristatus

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

Average proteome isoelectric point is 6.14

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 1914 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|A0A0F2CXP3|A0A0F2CXP3_STRCR ABC transporter ATP-binding protein OS=Streptococcus cristatus OX=45634 GN=TW70_00263 PE=4 SV=1
MM1 pKa = 7.62EE2 pKa = 6.25LLDD5 pKa = 4.04KK6 pKa = 10.96YY7 pKa = 10.91KK8 pKa = 10.33KK9 pKa = 10.35EE10 pKa = 3.92KK11 pKa = 10.77VIDD14 pKa = 4.21VITNILKK21 pKa = 10.52AIHH24 pKa = 6.01LKK26 pKa = 10.43KK27 pKa = 10.98YY28 pKa = 9.44EE29 pKa = 4.78DD30 pKa = 3.11IMNYY34 pKa = 9.55VDD36 pKa = 4.23EE37 pKa = 5.62SEE39 pKa = 4.88IDD41 pKa = 3.58DD42 pKa = 4.09LNEE45 pKa = 3.39FFGYY49 pKa = 9.21VEE51 pKa = 4.51KK52 pKa = 10.18TLEE55 pKa = 4.37LNDD58 pKa = 3.85FDD60 pKa = 5.62TIDD63 pKa = 3.49EE64 pKa = 4.57YY65 pKa = 11.67GVEE68 pKa = 4.33CHH70 pKa = 6.55FNPPYY75 pKa = 10.3EE76 pKa = 4.0YY77 pKa = 10.47SQLEE81 pKa = 4.14IYY83 pKa = 10.48DD84 pKa = 4.15YY85 pKa = 11.7DD86 pKa = 4.04DD87 pKa = 3.29QTGFAVDD94 pKa = 4.12YY95 pKa = 10.8DD96 pKa = 3.99LTSNSGLVDD105 pKa = 3.17MRR107 pKa = 11.84LQLEE111 pKa = 4.26FLYY114 pKa = 10.39TDD116 pKa = 2.53NGYY119 pKa = 7.42TVRR122 pKa = 11.84FLNVDD127 pKa = 2.99SDD129 pKa = 3.81

Molecular weight:
15.31 kDa
Isoelectric point according different methods:






Protein with the highest isoelectric point:
>tr|A0A0F2CGR4|A0A0F2CGR4_STRCR Thiamin pyrophosphokinase OS=Streptococcus cristatus OX=45634 GN=thiN 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

1914

0

1914

584487

33

3871

305.4

34.23

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

7.882 ± 0.063

0.509 ± 0.014

5.644 ± 0.056

7.33 ± 0.073

4.58 ± 0.055

6.567 ± 0.084

1.858 ± 0.023

7.006 ± 0.062

6.687 ± 0.049

10.357 ± 0.116

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.396 ± 0.031

4.234 ± 0.042

3.388 ± 0.038

4.248 ± 0.045

4.133 ± 0.043

6.239 ± 0.071

5.427 ± 0.061

6.862 ± 0.053

0.899 ± 0.019

3.754 ± 0.044

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