cyanobacterium G8-9
Average proteome isoelectric point is 6.56
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 461 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|A0A2T4CZV6|A0A2T4CZV6_9CYAN Ubiquinol-cytochrome c reductase iron-sulfur subunit (Fragment) OS=cyanobacterium G8-9 OX=2137193 GN=C9925_01935 PE=4 SV=1
NN1 pKa = 7.62 LYY3 pKa = 9.84 YY4 pKa = 10.57 HH5 pKa = 6.53 QGDD8 pKa = 3.42 AVEE11 pKa = 3.85 YY12 pKa = 9.58 GIRR15 pKa = 11.84 FGAQSEE21 pKa = 4.34 EE22 pKa = 3.77 WRR24 pKa = 11.84 ATFAFDD30 pKa = 4.32 YY31 pKa = 10.31 FDD33 pKa = 5.49 SSSDD37 pKa = 3.54 DD38 pKa = 3.6 QNVEE42 pKa = 3.68 KK43 pKa = 10.47 AYY45 pKa = 11.21 LLVDD49 pKa = 3.42 YY50 pKa = 10.11 FLFSTDD56 pKa = 2.74 SEE58 pKa = 4.63 LNIRR62 pKa = 11.84 PFVGANVGLINYY74 pKa = 7.65 EE75 pKa = 3.95 STLIDD80 pKa = 3.26 ATDD83 pKa = 3.82 FVYY86 pKa = 10.53 GGQAGVVVGLDD97 pKa = 3.48 DD98 pKa = 6.81 SIDD101 pKa = 3.87 LDD103 pKa = 3.69 LSYY106 pKa = 10.62 RR107 pKa = 11.84 YY108 pKa = 9.77 SLSGSEE114 pKa = 4.51 RR115 pKa = 11.84 VNDD118 pKa = 3.44 MGSIIFGLNYY128 pKa = 10.49 LYY130 pKa = 11.15
Molecular weight: 14.63 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.825
IPC2_protein 3.757
IPC_protein 3.732
Toseland 3.516
ProMoST 3.91
Dawson 3.745
Bjellqvist 3.897
Wikipedia 3.694
Rodwell 3.567
Grimsley 3.427
Solomon 3.719
Lehninger 3.681
Nozaki 3.859
DTASelect 4.113
Thurlkill 3.579
EMBOSS 3.706
Sillero 3.859
Patrickios 0.21
IPC_peptide 3.719
IPC2_peptide 3.834
IPC2.peptide.svr19 3.775
Protein with the highest isoelectric point:
>tr|A0A2T4D2I5|A0A2T4D2I5_9CYAN 30S ribosomal protein S3 OS=cyanobacterium G8-9 OX=2137193 GN=rpsC PE=3 SV=1
MM1 pKa = 7.59 AKK3 pKa = 10.28 KK4 pKa = 10.89 SMIAKK9 pKa = 9.87 QKK11 pKa = 8.37 RR12 pKa = 11.84 TPKK15 pKa = 10.15 FSSQAYY21 pKa = 5.28 TRR23 pKa = 11.84 CNICGRR29 pKa = 11.84 PHH31 pKa = 5.89 SVYY34 pKa = 10.48 RR35 pKa = 11.84 DD36 pKa = 3.6 FGLCRR41 pKa = 11.84 VCLRR45 pKa = 11.84 KK46 pKa = 8.66 MANEE50 pKa = 3.73 GLIPGMRR57 pKa = 11.84 KK58 pKa = 9.7 ASWW61 pKa = 2.91
Molecular weight: 7.01 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.33
IPC2_protein 9.736
IPC_protein 10.204
Toseland 10.774
ProMoST 10.35
Dawson 10.847
Bjellqvist 10.511
Wikipedia 11.008
Rodwell 11.257
Grimsley 10.891
Solomon 10.935
Lehninger 10.921
Nozaki 10.774
DTASelect 10.496
Thurlkill 10.76
EMBOSS 11.155
Sillero 10.789
Patrickios 11.023
IPC_peptide 10.95
IPC2_peptide 9.692
IPC2.peptide.svr19 8.508
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
461
0
461
101100
36
1478
219.3
24.72
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.967 ± 0.125
0.923 ± 0.049
5.455 ± 0.095
7.115 ± 0.141
4.673 ± 0.108
6.42 ± 0.131
1.947 ± 0.054
7.86 ± 0.121
8.276 ± 0.152
9.521 ± 0.146
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.952 ± 0.062
4.5 ± 0.091
3.419 ± 0.082
2.939 ± 0.061
3.707 ± 0.081
6.247 ± 0.106
5.418 ± 0.104
6.686 ± 0.115
1.008 ± 0.058
3.966 ± 0.084
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