Sphingopyxis sp. (strain 113P3)

Taxonomy: cellular organisms; Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Sphingopyxis; unclassified Sphingopyxis

Average proteome isoelectric point is 6.58

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 4365 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|A0A0M3QEF2|A0A0M3QEF2_SPHS1 ABC transporter permease OS=Sphingopyxis sp. (strain 113P3) OX=292913 GN=LH20_19970 PE=4 SV=1
MM1 pKa = 7.9WYY3 pKa = 10.07FSWVLGVGLAVGFGILNGMWHH24 pKa = 6.68EE25 pKa = 4.14FHH27 pKa = 7.62SDD29 pKa = 3.49PDD31 pKa = 3.8DD32 pKa = 4.26DD33 pKa = 4.58AAAA36 pKa = 4.34

Molecular weight: 4.01 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A0M4CV26|A0A0M4CV26_SPHS1 Uncharacterized protein OS=Sphingopyxis sp. (strain 113P3) OX=292913 GN=LH20_12170 PE=4 SV=1
MM1 pKa = 7.35KK2 pKa = 9.4RR3 pKa = 11.84TYY5 pKa = 10.2QPSRR9 pKa = 11.84LVRR12 pKa = 11.84KK13 pKa = 9.21RR14 pKa = 11.84RR15 pKa = 11.84HH16 pKa = 4.57GFRR19 pKa = 11.84ARR21 pKa = 11.84KK22 pKa = 7.81ATVGGRR28 pKa = 11.84KK29 pKa = 9.05VLAARR34 pKa = 11.84RR35 pKa = 11.84ARR37 pKa = 11.84GRR39 pKa = 11.84KK40 pKa = 9.02KK41 pKa = 10.61LSAA44 pKa = 4.03

Molecular weight: 5.13 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

4365

0

4365

1371085

36

2935

314.1

33.98

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

13.675 ± 0.055

0.804 ± 0.011

5.986 ± 0.031

5.627 ± 0.033

3.526 ± 0.022

8.797 ± 0.039

2.019 ± 0.023

5.075 ± 0.024

3.028 ± 0.027

9.812 ± 0.046

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.38 ± 0.019

2.448 ± 0.024

5.361 ± 0.03

2.955 ± 0.02

7.63 ± 0.034

5.265 ± 0.027

5.055 ± 0.031

6.829 ± 0.03

1.491 ± 0.015

2.238 ± 0.017
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