Spiroplasma endosymbiont of Danaus chrysippus
Average proteome isoelectric point is 7.46
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 553 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|A0A6J4WTX5|A0A6J4WTX5_9MOLU Ribonuclease 3 OS=Spiroplasma endosymbiont of Danaus chrysippus OX=2691041 GN=rnc PE=3 SV=1
MM1 pKa = 7.08 QSSHH5 pKa = 6.53 VSTLKK10 pKa = 10.75 QNFDD14 pKa = 3.91 LGSFNCDD21 pKa = 3.36 DD22 pKa = 3.9 MCSEE26 pKa = 4.21 QIKK29 pKa = 10.51 NIAWDD34 pKa = 3.62 VLQSQLYY41 pKa = 10.33 SEE43 pKa = 4.4 TQEE46 pKa = 4.15 TEE48 pKa = 3.42 LDD50 pKa = 3.5 KK51 pKa = 11.31 LLEE54 pKa = 4.7 EE55 pKa = 5.0 IEE57 pKa = 4.24 FEE59 pKa = 4.28 YY60 pKa = 10.07 MANEE64 pKa = 4.16 EE65 pKa = 4.06 QSSLLSSEE73 pKa = 4.23 NLSSNLIFDD82 pKa = 4.47 DD83 pKa = 3.7 MCGEE87 pKa = 4.03 QVIKK91 pKa = 10.83 DD92 pKa = 3.62 VLNNLEE98 pKa = 4.48 LDD100 pKa = 3.77 QLNLLDD106 pKa = 5.48 KK107 pKa = 11.01 SIEE110 pKa = 3.9 QLLLSEE116 pKa = 6.0 KK117 pKa = 10.11 IAQQNVEE124 pKa = 4.34 WNNSILFVSNLDD136 pKa = 3.46 NDD138 pKa = 3.64 IYY140 pKa = 11.09 DD141 pKa = 4.06 YY142 pKa = 11.9 NSVTTLIPP150 pKa = 3.74
Molecular weight: 17.26 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.78
IPC2_protein 3.681
IPC_protein 3.643
Toseland 3.439
ProMoST 3.795
Dawson 3.617
Bjellqvist 3.783
Wikipedia 3.541
Rodwell 3.478
Grimsley 3.363
Solomon 3.605
Lehninger 3.554
Nozaki 3.745
DTASelect 3.91
Thurlkill 3.49
EMBOSS 3.554
Sillero 3.757
Patrickios 1.812
IPC_peptide 3.605
IPC2_peptide 3.732
IPC2.peptide.svr19 3.719
Protein with the highest isoelectric point:
>tr|A0A6J4WU39|A0A6J4WU39_9MOLU Hypothetical protein OS=Spiroplasma endosymbiont of Danaus chrysippus OX=2691041 GN=SPIRDC1_LOCUS1587 PE=4 SV=1
MM1 pKa = 7.57 KK2 pKa = 8.61 PTYY5 pKa = 9.87 QPSKK9 pKa = 9.86 RR10 pKa = 11.84 KK11 pKa = 8.47 HH12 pKa = 5.32 QKK14 pKa = 6.68 THH16 pKa = 5.1 GFFARR21 pKa = 11.84 MKK23 pKa = 9.52 SATGINVIKK32 pKa = 10.5 RR33 pKa = 11.84 RR34 pKa = 11.84 RR35 pKa = 11.84 QRR37 pKa = 11.84 GRR39 pKa = 11.84 KK40 pKa = 9.11 KK41 pKa = 9.68 LTAA44 pKa = 4.27
Molecular weight: 5.23 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.334
IPC2_protein 10.965
IPC_protein 12.252
Toseland 12.427
ProMoST 12.896
Dawson 12.427
Bjellqvist 12.413
Wikipedia 12.896
Rodwell 12.31
Grimsley 12.471
Solomon 12.91
Lehninger 12.808
Nozaki 12.427
DTASelect 12.413
Thurlkill 12.427
EMBOSS 12.91
Sillero 12.427
Patrickios 12.047
IPC_peptide 12.91
IPC2_peptide 11.886
IPC2.peptide.svr19 8.959
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
553
0
553
142806
37
1505
258.2
29.79
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
4.401 ± 0.105
0.877 ± 0.032
4.988 ± 0.086
6.035 ± 0.116
4.822 ± 0.085
4.241 ± 0.119
1.501 ± 0.043
10.581 ± 0.113
10.136 ± 0.137
9.541 ± 0.109
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.983 ± 0.045
9.128 ± 0.132
2.718 ± 0.057
4.153 ± 0.131
2.697 ± 0.061
6.171 ± 0.085
5.697 ± 0.094
4.823 ± 0.087
1.339 ± 0.048
4.158 ± 0.095
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