Porphyromonas circumdentaria

Taxonomy: cellular organisms; Bacteria; FCB group; Bacteroidetes/Chlorobi group; Bacteroidetes; Bacteroidia; Bacteroidales; Porphyromonadaceae; Porphyr

Average proteome isoelectric point is 6.65

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 1689 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|A0A1T4L194|A0A1T4L194_9PORP Oxaloacetate decarboxylase gamma chain OS=Porphyromonas circumdentaria OX=29524 GN=SAMN02745171_00263 PE=4 SV=1
MM1 pKa = 7.19YY2 pKa = 7.77WTLEE6 pKa = 4.2LASSLDD12 pKa = 3.74DD13 pKa = 4.61APWPASKK20 pKa = 11.21NEE22 pKa = 4.49LIDD25 pKa = 3.4YY26 pKa = 7.52AQRR29 pKa = 11.84SGAPLEE35 pKa = 4.26VIEE38 pKa = 4.8ILEE41 pKa = 3.99EE42 pKa = 4.07MEE44 pKa = 5.54DD45 pKa = 3.59DD46 pKa = 4.22GEE48 pKa = 4.49VYY50 pKa = 10.58EE51 pKa = 4.82SIEE54 pKa = 4.61EE55 pKa = 3.73IWLDD59 pKa = 3.54YY60 pKa = 10.34PRR62 pKa = 11.84NEE64 pKa = 3.91DD65 pKa = 3.35FFFNEE70 pKa = 3.89EE71 pKa = 4.02EE72 pKa = 4.43YY73 pKa = 11.38

Molecular weight: 8.7 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A1T4NEF8|A0A1T4NEF8_9PORP Uncharacterized protein OS=Porphyromonas circumdentaria OX=29524 GN=SAMN02745171_01083 PE=4 SV=1
MM1 pKa = 7.38TFILYY6 pKa = 10.46DD7 pKa = 3.82FFACKK12 pKa = 10.41LSPKK16 pKa = 9.93RR17 pKa = 11.84SVRR20 pKa = 11.84TSGRR24 pKa = 11.84IFLTGRR30 pKa = 11.84EE31 pKa = 4.01VCKK34 pKa = 10.48RR35 pKa = 11.84LFISPRR41 pKa = 11.84TLQDD45 pKa = 3.07HH46 pKa = 6.83RR47 pKa = 11.84DD48 pKa = 3.67KK49 pKa = 11.64GVIPYY54 pKa = 9.3PKK56 pKa = 10.31

Molecular weight: 6.59 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

1689

0

1689

584512

39

2505

346.1

38.98

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

7.172 ± 0.047

1.1 ± 0.022

4.83 ± 0.04

7.278 ± 0.056

4.426 ± 0.044

6.573 ± 0.046

2.018 ± 0.026

6.963 ± 0.054

6.239 ± 0.054

10.247 ± 0.071

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.356 ± 0.026

4.276 ± 0.046

4.038 ± 0.031

3.618 ± 0.034

5.261 ± 0.049

6.702 ± 0.05

5.603 ± 0.042

6.301 ± 0.045

1.022 ± 0.02

3.976 ± 0.034
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