Cajanus cajan (Pigeon pea) (Cajanus indicus)

Taxonomy: cellular organisms; Eukaryota; Viridiplantae; Streptophyta; Streptophytina; Embryophyta; Tracheophyta; Euphyllophyta; Spermatophyta; Magnoliopsida; Mesangiospermae; eudicotyledons; Gunneridae; Pentapetalae; rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade; NPAAA clade; indigoferoid/millettioid clade; Phaseoleae;

Average proteome isoelectric point is 7.09

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 47180 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|A0A151S288|A0A151S288_CAJCA F-box protein At2g32560 family OS=Cajanus cajan OX=3821 GN=KK1_029324 PE=4 SV=1
MM1 pKa = 7.65GSQVCEE7 pKa = 3.58TLAYY11 pKa = 9.81INGDD15 pKa = 3.23EE16 pKa = 4.55GVRR19 pKa = 11.84GMEE22 pKa = 3.83ALQINGALLMSLMEE36 pKa = 4.5EE37 pKa = 4.41SSPSDD42 pKa = 3.2NHH44 pKa = 7.34DD45 pKa = 3.37EE46 pKa = 4.52SDD48 pKa = 4.45DD49 pKa = 3.93DD50 pKa = 5.34RR51 pKa = 11.84LDD53 pKa = 3.32SLIRR57 pKa = 11.84SFEE60 pKa = 4.07AEE62 pKa = 3.36ISGSNKK68 pKa = 9.26MGGDD72 pKa = 3.62HH73 pKa = 7.38DD74 pKa = 5.38HH75 pKa = 7.57DD76 pKa = 4.47LASKK80 pKa = 10.64GSEE83 pKa = 3.71FVSKK87 pKa = 10.43MEE89 pKa = 3.95EE90 pKa = 4.3CANQTWNIMGDD101 pKa = 3.5VDD103 pKa = 4.26GVEE106 pKa = 4.41YY107 pKa = 9.88WGSSSSEE114 pKa = 4.17FGVEE118 pKa = 3.81WVDD121 pKa = 3.19MDD123 pKa = 5.26LVPLEE128 pKa = 5.38DD129 pKa = 3.58RR130 pKa = 11.84SNWCVDD136 pKa = 3.33PCGDD140 pKa = 4.09EE141 pKa = 3.91YY142 pKa = 12.11AMANNFKK149 pKa = 10.84VYY151 pKa = 10.71DD152 pKa = 3.82GFALGEE158 pKa = 4.0HH159 pKa = 7.48GYY161 pKa = 11.03NSLWQDD167 pKa = 3.27MACNN171 pKa = 3.66

Molecular weight: 18.91 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A151SQY2|A0A151SQY2_CAJCA Homoserine_dh domain-containing protein OS=Cajanus cajan OX=3821 GN=KK1_003400 PE=4 SV=1
MM1 pKa = 7.68AGAPFLPIRR10 pKa = 11.84TPPGAKK16 pKa = 10.0ALLSPKK22 pKa = 9.3TAFLLTVMWQRR33 pKa = 11.84SQSFSTLLPVRR44 pKa = 11.84PRR46 pKa = 11.84GRR48 pKa = 11.84RR49 pKa = 11.84SHH51 pKa = 5.6KK52 pKa = 9.48TRR54 pKa = 3.42

Molecular weight: 6.03 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

47180

0

47180

15280909

49

5241

323.9

36.45

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

6.22 ± 0.011

1.975 ± 0.005

5.136 ± 0.009

6.196 ± 0.011

4.506 ± 0.008

6.046 ± 0.011

2.679 ± 0.006

5.626 ± 0.008

6.527 ± 0.013

9.947 ± 0.014

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.452 ± 0.005

4.575 ± 0.008

4.709 ± 0.013

3.767 ± 0.007

5.217 ± 0.008

8.334 ± 0.014

4.948 ± 0.008

6.556 ± 0.008

1.452 ± 0.005

3.01 ± 0.006
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