Polaromonas naphthalenivorans (strain CJ2)
Average proteome isoelectric point is 7.0
Get precalculated fractions of proteins
Acidic
pI < 6.8
6.8-7.4
pI > 7.4
Basic
All
Note: above files contain also dissociation constants (pKa)
Virtual 2D-PAGE plot for 4879 proteins (isoelectric point calculated using IPC2_protein)
Get csv file with sequences according to given criteria:
* 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|A1VJL0|A1VJL0_POLNA Dihydroneopterin aldolase OS=Polaromonas naphthalenivorans (strain CJ2) OX=365044 GN=Pnap_0517 PE=4 SV=1
MM1 pKa = 7.25 SAVAEE6 pKa = 4.41 NIQTEE11 pKa = 4.42 MPAPFVFTDD20 pKa = 3.79 SAASKK25 pKa = 9.65 VAEE28 pKa = 4.86 LIAEE32 pKa = 4.35 EE33 pKa = 4.62 GNPDD37 pKa = 2.99 LKK39 pKa = 11.13 LRR41 pKa = 11.84 VFVQGGGCSGFQYY54 pKa = 10.94 GFTFDD59 pKa = 4.81 EE60 pKa = 4.64 ITNEE64 pKa = 4.77 DD65 pKa = 4.2 DD66 pKa = 3.25 TTMTKK71 pKa = 10.66 NGVSLLIDD79 pKa = 3.54 AMSYY83 pKa = 10.32 QYY85 pKa = 11.5 LVGAEE90 pKa = 4.01 IDD92 pKa = 3.89 YY93 pKa = 11.28 KK94 pKa = 11.39 DD95 pKa = 4.47 DD96 pKa = 4.08 LEE98 pKa = 4.56 GAQFVIKK105 pKa = 10.49 NPNASSSCGCGSSFSVV121 pKa = 3.54
Molecular weight: 12.92 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.761
IPC2_protein 3.897
IPC_protein 3.821
Toseland 3.63
ProMoST 3.986
Dawson 3.808
Bjellqvist 3.961
Wikipedia 3.732
Rodwell 3.656
Grimsley 3.541
Solomon 3.783
Lehninger 3.745
Nozaki 3.935
DTASelect 4.113
Thurlkill 3.681
EMBOSS 3.745
Sillero 3.948
Patrickios 1.875
IPC_peptide 3.783
IPC2_peptide 3.923
IPC2.peptide.svr19 3.84
Protein with the highest isoelectric point:
>sp|A1VUV1|HOA_POLNA 4-hydroxy-2-oxovalerate aldolase OS=Polaromonas naphthalenivorans (strain CJ2) OX=365044 GN=Pnap_4142 PE=3 SV=1
MM1 pKa = 7.35 KK2 pKa = 9.43 RR3 pKa = 11.84 TYY5 pKa = 10.31 QPSKK9 pKa = 8.92 VKK11 pKa = 10.35 RR12 pKa = 11.84 ARR14 pKa = 11.84 THH16 pKa = 6.27 GFLTRR21 pKa = 11.84 MKK23 pKa = 9.36 TRR25 pKa = 11.84 GGRR28 pKa = 11.84 AVIAARR34 pKa = 11.84 RR35 pKa = 11.84 AKK37 pKa = 9.8 GRR39 pKa = 11.84 KK40 pKa = 8.75 RR41 pKa = 11.84 LAVV44 pKa = 3.41
Molecular weight: 5.07 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.413
IPC2_protein 11.096
IPC_protein 12.457
Toseland 12.618
ProMoST 13.1
Dawson 12.618
Bjellqvist 12.603
Wikipedia 13.086
Rodwell 12.34
Grimsley 12.661
Solomon 13.1
Lehninger 13.013
Nozaki 12.618
DTASelect 12.603
Thurlkill 12.618
EMBOSS 13.115
Sillero 12.618
Patrickios 12.076
IPC_peptide 13.115
IPC2_peptide 12.091
IPC2.peptide.svr19 9.034
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
4879
0
4879
1560234
33
2731
319.8
34.77
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
12.405 ± 0.049
1.017 ± 0.013
5.051 ± 0.025
5.294 ± 0.029
3.599 ± 0.02
8.017 ± 0.036
2.242 ± 0.018
4.569 ± 0.025
3.921 ± 0.036
10.79 ± 0.043
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.552 ± 0.016
2.864 ± 0.022
5.144 ± 0.023
4.215 ± 0.023
6.431 ± 0.028
5.834 ± 0.027
5.142 ± 0.028
7.262 ± 0.025
1.424 ± 0.016
2.229 ± 0.017
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