Sphaerobacter thermophilus (strain DSM 20745 / S 6022)
Average proteome isoelectric point is 6.19
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 3471 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|D1CAD0|D1CAD0_SPHTD Zeaxanthin epoxidase OS=Sphaerobacter thermophilus (strain DSM 20745 / S 6022) OX=479434 GN=Sthe_3373 PE=4 SV=1
MM1 pKa = 7.42 RR2 pKa = 11.84 TRR4 pKa = 11.84 LVRR7 pKa = 11.84 LLVILALMLSTMTSLGFAAAQQAGNPSTSMPGRR40 pKa = 11.84 YY41 pKa = 8.6 LVALKK46 pKa = 9.53 STGDD50 pKa = 3.4 ARR52 pKa = 11.84 FMQAQITEE60 pKa = 4.05 MGATVVQNLAPLNLLVVHH78 pKa = 6.25 GTEE81 pKa = 4.55 QVKK84 pKa = 9.87 QRR86 pKa = 11.84 LKK88 pKa = 10.65 ADD90 pKa = 3.5 PRR92 pKa = 11.84 VSGVATDD99 pKa = 4.59 RR100 pKa = 11.84 IQRR103 pKa = 11.84 IVPPEE108 pKa = 4.02 LAPDD112 pKa = 3.87 MFSSPQAAEE121 pKa = 4.82 PIQIDD126 pKa = 4.12 LTDD129 pKa = 4.17 DD130 pKa = 3.76 AQNGEE135 pKa = 4.27 ITGDD139 pKa = 3.62 PAFDD143 pKa = 4.64 LSGLMWNIDD152 pKa = 3.86 RR153 pKa = 11.84 IEE155 pKa = 5.13 APDD158 pKa = 3.2 AWEE161 pKa = 4.24 TTSGEE166 pKa = 4.15 PEE168 pKa = 4.36 VLVGVADD175 pKa = 3.82 TGLDD179 pKa = 3.53 STHH182 pKa = 6.84 VDD184 pKa = 3.51 LEE186 pKa = 4.7 DD187 pKa = 4.69 NIHH190 pKa = 5.96 SVVDD194 pKa = 3.92 FTEE197 pKa = 6.05 AEE199 pKa = 4.43 DD200 pKa = 4.9 PPICDD205 pKa = 2.98 TFFGVSDD212 pKa = 3.64 QALAAQFGGPADD224 pKa = 4.28 GDD226 pKa = 4.28 WNGHH230 pKa = 5.07 GSWIGGNIAAVLNEE244 pKa = 3.73 QGVNGVAPNVKK255 pKa = 9.85 LVSLKK260 pKa = 9.75 ISQWCGYY267 pKa = 10.28 AYY269 pKa = 10.62 DD270 pKa = 4.03 STILSAFLYY279 pKa = 10.36 AASNDD284 pKa = 3.08 IDD286 pKa = 4.07 VVSLSFGGYY295 pKa = 9.6 LDD297 pKa = 5.06 RR298 pKa = 11.84 SDD300 pKa = 4.61 PEE302 pKa = 3.36 QDD304 pKa = 4.45 LIYY307 pKa = 10.37 SQYY310 pKa = 11.28 ASAVALARR318 pKa = 11.84 SEE320 pKa = 4.08 GTVIVAAAGNEE331 pKa = 3.98 HH332 pKa = 7.17 VEE334 pKa = 4.23 IGDD337 pKa = 3.76 GGQVLSSGMLTTPGTLLDD355 pKa = 4.7 GFLDD359 pKa = 3.84 LQGLYY364 pKa = 9.09 EE365 pKa = 4.45 IPGGIPGVVTVGSTGNMVNEE385 pKa = 4.73 PSDD388 pKa = 3.76 EE389 pKa = 4.27 CPEE392 pKa = 4.15 GTTEE396 pKa = 5.71 GSLATCKK403 pKa = 10.67 PEE405 pKa = 5.42 DD406 pKa = 4.95 DD407 pKa = 3.41 PHH409 pKa = 7.51 QPFGAGEE416 pKa = 4.06 EE417 pKa = 4.2 NQLAYY422 pKa = 10.26 YY423 pKa = 10.29 SNYY426 pKa = 9.53 GPRR429 pKa = 11.84 IDD431 pKa = 5.05 LVAPGGSRR439 pKa = 11.84 MFNLPLWDD447 pKa = 3.81 RR448 pKa = 11.84 GGTPGFPYY456 pKa = 10.16 TIEE459 pKa = 4.32 DD460 pKa = 5.15 EE461 pKa = 4.37 YY462 pKa = 11.19 TAWQTFSTTSNWALYY477 pKa = 7.64 TAQIPCFLFIGGGFPAGQCYY497 pKa = 7.21 TTIQGTSMATPHH509 pKa = 5.71 VSAVLALVASANPDD523 pKa = 3.25 LRR525 pKa = 11.84 GDD527 pKa = 3.59 PDD529 pKa = 3.71 RR530 pKa = 11.84 LVEE533 pKa = 4.2 IVKK536 pKa = 8.6 EE537 pKa = 4.1 TAQPISGNEE546 pKa = 4.01 TPPLDD551 pKa = 4.87 PSDD554 pKa = 4.13 TSPGDD559 pKa = 3.06 IGGPSCPTGYY569 pKa = 10.1 CHH571 pKa = 7.77 LGGDD575 pKa = 4.99 PIPDD579 pKa = 3.32 EE580 pKa = 4.43 DD581 pKa = 4.62 AYY583 pKa = 11.0 GAGLVDD589 pKa = 3.81 AAAAVEE595 pKa = 3.93 AAMVEE600 pKa = 4.39 DD601 pKa = 4.1 EE602 pKa = 5.7 AGSQSQPP609 pKa = 3.01
Molecular weight: 63.97 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.744
IPC2_protein 3.872
IPC_protein 3.897
Toseland 3.681
ProMoST 4.037
Dawson 3.872
Bjellqvist 4.024
Wikipedia 3.795
Rodwell 3.719
Grimsley 3.579
Solomon 3.872
Lehninger 3.834
Nozaki 3.986
DTASelect 4.215
Thurlkill 3.719
EMBOSS 3.808
Sillero 4.012
Patrickios 1.901
IPC_peptide 3.872
IPC2_peptide 3.986
IPC2.peptide.svr19 3.901
Protein with the highest isoelectric point:
>tr|D1C246|D1C246_SPHTD Gas vesicle G OS=Sphaerobacter thermophilus (strain DSM 20745 / S 6022) OX=479434 GN=Sthe_0876 PE=4 SV=1
MM1 pKa = 7.28 NRR3 pKa = 11.84 RR4 pKa = 11.84 SRR6 pKa = 11.84 QILALTAAALATWTFPFNQVAAIGWLTVAILILPTPRR43 pKa = 11.84 LKK45 pKa = 10.93 PEE47 pKa = 3.72 VVPRR51 pKa = 11.84 QRR53 pKa = 11.84 LRR55 pKa = 11.84 NFLRR59 pKa = 11.84 RR60 pKa = 11.84 FRR62 pKa = 4.73
Molecular weight: 7.23 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.389
IPC2_protein 10.833
IPC_protein 12.442
Toseland 12.603
ProMoST 13.115
Dawson 12.603
Bjellqvist 12.603
Wikipedia 13.086
Rodwell 12.149
Grimsley 12.647
Solomon 13.1
Lehninger 12.998
Nozaki 12.603
DTASelect 12.603
Thurlkill 12.603
EMBOSS 13.1
Sillero 12.603
Patrickios 11.901
IPC_peptide 13.1
IPC2_peptide 12.091
IPC2.peptide.svr19 9.16
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
3471
0
3471
1135642
31
1776
327.2
35.63
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
12.136 ± 0.057
0.679 ± 0.011
5.617 ± 0.032
6.397 ± 0.041
3.135 ± 0.021
8.57 ± 0.038
2.05 ± 0.018
4.973 ± 0.029
1.67 ± 0.022
10.546 ± 0.055
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.99 ± 0.017
2.057 ± 0.02
6.036 ± 0.035
3.172 ± 0.025
8.355 ± 0.044
4.511 ± 0.025
5.619 ± 0.036
8.545 ± 0.035
1.466 ± 0.02
2.476 ± 0.021
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