Psychrobacter piechaudii

Taxonomy: cellular organisms; Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Moraxellaceae; Psychrobacter

Average proteome isoelectric point is 6.17

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 2327 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|A0A1R4GDD8|A0A1R4GDD8_9GAMM Disulfide bond formation protein B OS=Psychrobacter piechaudii OX=1945521 GN=dsbB PE=3 SV=1
MM1 pKa = 6.61TTITLTDD8 pKa = 3.23SAANKK13 pKa = 8.76VRR15 pKa = 11.84KK16 pKa = 9.36LRR18 pKa = 11.84EE19 pKa = 3.83EE20 pKa = 4.4EE21 pKa = 4.07GDD23 pKa = 3.52QNLMLRR29 pKa = 11.84VYY31 pKa = 8.97VTGGGCSGFSYY42 pKa = 10.47GFNFAEE48 pKa = 5.1EE49 pKa = 4.29EE50 pKa = 4.56GEE52 pKa = 4.17DD53 pKa = 3.58DD54 pKa = 5.31ASFEE58 pKa = 4.32NEE60 pKa = 4.35DD61 pKa = 3.2VTLLVDD67 pKa = 3.69SLSYY71 pKa = 10.75QYY73 pKa = 11.26LQGSTVDD80 pKa = 3.47YY81 pKa = 11.18TEE83 pKa = 4.21GLEE86 pKa = 4.13GARR89 pKa = 11.84FVVTNPNATTTCGCGSSFSII109 pKa = 5.02

Molecular weight: 11.79 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A1R4GUM4|A0A1R4GUM4_9GAMM Corrinoid adenosyltransferase OS=Psychrobacter piechaudii OX=1945521 GN=A1232T_01420 PE=3 SV=1
MM1 pKa = 7.45KK2 pKa = 9.51RR3 pKa = 11.84TFQPSVIKK11 pKa = 10.52RR12 pKa = 11.84KK13 pKa = 8.26RR14 pKa = 11.84THH16 pKa = 5.92GFRR19 pKa = 11.84ARR21 pKa = 11.84MATKK25 pKa = 10.32KK26 pKa = 10.31GRR28 pKa = 11.84QVLARR33 pKa = 11.84RR34 pKa = 11.84RR35 pKa = 11.84AKK37 pKa = 10.03GRR39 pKa = 11.84HH40 pKa = 5.34RR41 pKa = 11.84LTVV44 pKa = 3.07

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

2327

0

2327

753893

29

1671

324.0

35.92

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

8.845 ± 0.052

0.895 ± 0.015

5.772 ± 0.041

6.05 ± 0.048

3.745 ± 0.035

6.646 ± 0.051

2.185 ± 0.027

6.461 ± 0.041

5.61 ± 0.039

10.11 ± 0.054

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.664 ± 0.025

4.48 ± 0.035

4.17 ± 0.03

4.808 ± 0.049

4.287 ± 0.034

6.602 ± 0.039

5.628 ± 0.032

6.746 ± 0.041

1.189 ± 0.02

3.11 ± 0.028
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