Alteripontixanthobacter maritimus

Taxonomy: cellular organisms; Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Erythrobacteraceae; Alteripontixanthobacter

Average proteome isoelectric point is 6.1

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 2539 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|A0A369QTC1|A0A369QTC1_9SPHN Uncharacterized protein OS=Alteripontixanthobacter maritimus OX=2161824 GN=HME9302_00017 PE=4 SV=1
MM1 pKa = 7.71LDD3 pKa = 3.65DD4 pKa = 4.09SRR6 pKa = 11.84KK7 pKa = 7.54ITLPAGSVTGLPTATTFAVLYY28 pKa = 10.6SLTDD32 pKa = 3.31EE33 pKa = 4.9NYY35 pKa = 9.85IAVPLPAIDD44 pKa = 4.18EE45 pKa = 4.44LQNSDD50 pKa = 3.8NVFISWNATSNPDD63 pKa = 3.1GTYY66 pKa = 9.58TPPPTAPPGHH76 pKa = 6.67EE77 pKa = 4.33GGGDD81 pKa = 3.55PNYY84 pKa = 8.05NTPP87 pKa = 3.54

Molecular weight: 9.16 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A369QB88|A0A369QB88_9SPHN Cytidylate kinase OS=Alteripontixanthobacter maritimus OX=2161824 GN=cmk PE=3 SV=1
MM1 pKa = 7.45KK2 pKa = 9.61RR3 pKa = 11.84TFQPSNLVRR12 pKa = 11.84QRR14 pKa = 11.84RR15 pKa = 11.84HH16 pKa = 4.72GFFARR21 pKa = 11.84KK22 pKa = 8.02ATVGGRR28 pKa = 11.84KK29 pKa = 8.07VLRR32 pKa = 11.84NRR34 pKa = 11.84RR35 pKa = 11.84RR36 pKa = 11.84KK37 pKa = 9.33GRR39 pKa = 11.84KK40 pKa = 8.76KK41 pKa = 10.41LCAA44 pKa = 3.88

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

2539

0

2539

800198

29

1730

315.2

34.11

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

12.715 ± 0.076

0.784 ± 0.014

6.477 ± 0.035

5.926 ± 0.047

3.561 ± 0.03

8.841 ± 0.049

1.873 ± 0.024

5.009 ± 0.032

3.285 ± 0.042

9.585 ± 0.056

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.618 ± 0.025

2.739 ± 0.032

5.102 ± 0.036

3.208 ± 0.029

6.976 ± 0.047

5.353 ± 0.032

5.507 ± 0.038

6.934 ± 0.036

1.345 ± 0.021

2.164 ± 0.026
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