Sphingomonas spermidinifaciens

Taxonomy: cellular organisms; Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Sphingomonas

Average proteome isoelectric point is 6.7

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 3376 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|A0A2A4B2X2|A0A2A4B2X2_9SPHN MFS transporter OS=Sphingomonas spermidinifaciens OX=1141889 GN=COC42_11685 PE=4 SV=1
MM1 pKa = 7.56KK2 pKa = 10.31SRR4 pKa = 11.84YY5 pKa = 8.93FLALPPIALLAACGGGASTDD25 pKa = 3.54QTATTTNTGNVILNDD40 pKa = 3.36AQANYY45 pKa = 10.59SFEE48 pKa = 3.93NDD50 pKa = 3.69AILNTTADD58 pKa = 3.87DD59 pKa = 3.85AAAMNAAPANGMM71 pKa = 3.94

Molecular weight: 7.19 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A2A4BAG9|A0A2A4BAG9_9SPHN 6-phosphogluconate dehydrogenase OS=Sphingomonas spermidinifaciens OX=1141889 GN=COC42_01735 PE=4 SV=1
MM1 pKa = 7.45KK2 pKa = 9.61RR3 pKa = 11.84TFQPSNLVRR12 pKa = 11.84ARR14 pKa = 11.84RR15 pKa = 11.84HH16 pKa = 4.82GFFARR21 pKa = 11.84MATAAGRR28 pKa = 11.84KK29 pKa = 8.9VIRR32 pKa = 11.84ARR34 pKa = 11.84RR35 pKa = 11.84ARR37 pKa = 11.84GRR39 pKa = 11.84KK40 pKa = 9.02KK41 pKa = 10.61LSAA44 pKa = 4.03

Molecular weight: 5.08 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

3376

0

3376

1098682

37

2938

325.4

34.98

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

14.452 ± 0.071

0.704 ± 0.011

5.901 ± 0.031

5.438 ± 0.039

3.443 ± 0.031

9.179 ± 0.039

1.843 ± 0.019

4.677 ± 0.028

2.514 ± 0.034

9.884 ± 0.046

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.245 ± 0.023

2.276 ± 0.031

5.595 ± 0.037

2.842 ± 0.023

8.021 ± 0.051

4.741 ± 0.034

5.242 ± 0.037

7.465 ± 0.033

1.444 ± 0.016

2.093 ± 0.023
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