Peptoniphilus ivorii

Taxonomy: cellular organisms; Bacteria; Terrabacteria group; Firmicutes; Tissierellia; Tissierellales; Peptoniphilaceae; Peptoniphilus

Average proteome isoelectric point is 6.09

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 1499 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|A0A448V1R2|A0A448V1R2_9FIRM UDP-N-acetylglucosamine--N-acetylmuramyl-(pentapeptide) pyrophosphoryl-undecaprenol N-acetylglucosamine transferase OS=Peptoniphilus ivorii OX=54006 GN=murG PE=3 SV=1
MM1 pKa = 7.22NRR3 pKa = 11.84QLFFDD8 pKa = 3.75EE9 pKa = 4.43MGNGISFIIKK19 pKa = 9.83ARR21 pKa = 11.84FRR23 pKa = 11.84VDD25 pKa = 3.14DD26 pKa = 4.0CDD28 pKa = 4.71YY29 pKa = 11.18IALLDD34 pKa = 4.56AEE36 pKa = 5.1HH37 pKa = 7.1IDD39 pKa = 3.59YY40 pKa = 8.25GTFILRR46 pKa = 11.84EE47 pKa = 4.14EE48 pKa = 4.36YY49 pKa = 10.61DD50 pKa = 3.44EE51 pKa = 5.57SGDD54 pKa = 3.58VYY56 pKa = 11.27YY57 pKa = 11.15AGIDD61 pKa = 3.29EE62 pKa = 4.46EE63 pKa = 5.01EE64 pKa = 4.46YY65 pKa = 10.22VRR67 pKa = 11.84AMEE70 pKa = 4.58IYY72 pKa = 10.16EE73 pKa = 4.14EE74 pKa = 4.14LLIEE78 pKa = 4.29QAQQ81 pKa = 3.28

Molecular weight: 9.62 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A448V3G6|A0A448V3G6_9FIRM CRISPR-associated exonuclease Cas4 OS=Peptoniphilus ivorii OX=54006 GN=NCTC13079_01544 PE=3 SV=1
MM1 pKa = 6.37TTRR4 pKa = 11.84LRR6 pKa = 11.84RR7 pKa = 11.84GCNPNPISKK16 pKa = 9.82IIAVILLGTTVVRR29 pKa = 11.84SLPDD33 pKa = 3.13VCAWGVLSVISLFLFLNGQKK53 pKa = 8.76RR54 pKa = 11.84TAFRR58 pKa = 11.84QLLLYY63 pKa = 10.38AVLFGLPGLFALYY76 pKa = 9.71RR77 pKa = 11.84APFVVKK83 pKa = 9.92MLLSLLMVIRR93 pKa = 11.84LFFLPFAAGKK103 pKa = 9.56FLIRR107 pKa = 11.84TSDD110 pKa = 3.17VGSILSSMDD119 pKa = 3.28ALRR122 pKa = 11.84IPASVSIPIAVIFRR136 pKa = 11.84FFPAFRR142 pKa = 11.84EE143 pKa = 3.83EE144 pKa = 3.84RR145 pKa = 11.84RR146 pKa = 11.84NIRR149 pKa = 11.84TAMRR153 pKa = 11.84IRR155 pKa = 11.84GVLQGAPWRR164 pKa = 11.84YY165 pKa = 8.16PEE167 pKa = 4.28YY168 pKa = 10.71VAVPLLIASSEE179 pKa = 4.13IADD182 pKa = 5.05DD183 pKa = 3.26IAMAAEE189 pKa = 4.93AKK191 pKa = 10.51CIANPVAKK199 pKa = 9.35TRR201 pKa = 11.84YY202 pKa = 7.08TKK204 pKa = 10.73VAIGAADD211 pKa = 4.49LLYY214 pKa = 10.77LLPIVLFTVGGWLWW228 pKa = 3.27

Molecular weight: 25.27 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

1499

0

1499

472416

29

2966

315.2

35.11

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

9.103 ± 0.073

0.858 ± 0.021

6.202 ± 0.054

8.013 ± 0.064

4.136 ± 0.045

7.544 ± 0.052

1.829 ± 0.03

6.983 ± 0.05

6.047 ± 0.067

9.346 ± 0.079

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.741 ± 0.032

3.422 ± 0.042

3.733 ± 0.039

2.547 ± 0.029

5.859 ± 0.069

5.267 ± 0.048

4.933 ± 0.054

7.1 ± 0.048

0.693 ± 0.02

3.645 ± 0.035
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