Poseidonibacter parvus

Taxonomy: cellular organisms; Bacteria; Proteobacteria; delta/epsilon subdivisions; Epsilonproteobacteria; Campylobacterales; Campylobacteraceae; Arcobacter group; Poseidonibacter

Average proteome isoelectric point is 6.6

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 2691 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|A0A1P8KNE5|A0A1P8KNE5_9PROT Uncharacterized protein OS=Poseidonibacter parvus OX=1850254 GN=LPB137_09530 PE=3 SV=1
MM1 pKa = 7.66NDD3 pKa = 3.23YY4 pKa = 10.86LCTVRR9 pKa = 11.84GYY11 pKa = 10.3IYY13 pKa = 10.03QPKK16 pKa = 10.43LGDD19 pKa = 3.75PDD21 pKa = 4.57VGIKK25 pKa = 10.27PGTAFEE31 pKa = 4.5EE32 pKa = 4.6LPEE35 pKa = 4.5DD36 pKa = 4.45WEE38 pKa = 4.94CPDD41 pKa = 4.24CGSPKK46 pKa = 10.47EE47 pKa = 4.18DD48 pKa = 3.55FEE50 pKa = 4.58EE51 pKa = 4.34LLEE54 pKa = 4.22EE55 pKa = 4.32

Molecular weight: 6.28 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A1P8KP38|A0A1P8KP38_9PROT Uncharacterized protein OS=Poseidonibacter parvus OX=1850254 GN=LPB137_10880 PE=3 SV=1
MM1 pKa = 7.28KK2 pKa = 9.44RR3 pKa = 11.84TYY5 pKa = 10.04QPHH8 pKa = 4.86NTPRR12 pKa = 11.84KK13 pKa = 7.31RR14 pKa = 11.84THH16 pKa = 6.0GFRR19 pKa = 11.84IRR21 pKa = 11.84MATKK25 pKa = 10.2NGRR28 pKa = 11.84KK29 pKa = 9.2VIKK32 pKa = 10.14ARR34 pKa = 11.84RR35 pKa = 11.84AKK37 pKa = 9.79GRR39 pKa = 11.84KK40 pKa = 8.75RR41 pKa = 11.84LAVV44 pKa = 3.41

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

2691

0

2691

878469

24

11219

326.4

36.94

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

5.896 ± 0.058

0.845 ± 0.02

6.064 ± 0.14

7.031 ± 0.059

5.047 ± 0.064

5.449 ± 0.131

1.513 ± 0.03

9.425 ± 0.06

9.308 ± 0.133

9.628 ± 0.079

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.282 ± 0.042

6.474 ± 0.064

2.651 ± 0.043

2.799 ± 0.032

2.738 ± 0.043

6.866 ± 0.052

5.428 ± 0.124

5.901 ± 0.065

0.713 ± 0.016

3.941 ± 0.043
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