Lactobacillus gastricus PS3
Average proteome isoelectric point is 6.15
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 1269 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|H4GHT9|H4GHT9_9LACO DNA-binding protein HU OS=Lactobacillus gastricus PS3 OX=1144300 GN=PS3_15348 PE=3 SV=1
MM1 pKa = 7.47 SYY3 pKa = 10.38 SEE5 pKa = 5.23 KK6 pKa = 10.45 MLDD9 pKa = 3.47 QLDD12 pKa = 3.76 RR13 pKa = 11.84 GQLAEE18 pKa = 4.31 AKK20 pKa = 10.37 KK21 pKa = 10.42 SFAWALRR28 pKa = 11.84 KK29 pKa = 10.11 DD30 pKa = 3.75 DD31 pKa = 6.3 DD32 pKa = 3.78 EE33 pKa = 4.66 TLFNLAEE40 pKa = 4.03 EE41 pKa = 4.9 LYY43 pKa = 11.26 GLGFLNQAQRR53 pKa = 11.84 VYY55 pKa = 11.27 LKK57 pKa = 10.86 LLEE60 pKa = 4.81 KK61 pKa = 11.14 YY62 pKa = 9.81 PDD64 pKa = 3.52 EE65 pKa = 5.03 DD66 pKa = 3.69 VLRR69 pKa = 11.84 TALAEE74 pKa = 3.82 IAIDD78 pKa = 3.61 NDD80 pKa = 3.94 HH81 pKa = 6.91 NDD83 pKa = 3.29 EE84 pKa = 4.39 ALTYY88 pKa = 9.97 LNQIAADD95 pKa = 3.49 SDD97 pKa = 4.23 AYY99 pKa = 11.29 VPALLVAADD108 pKa = 4.79 LYY110 pKa = 9.64 QTEE113 pKa = 4.31 EE114 pKa = 3.95 QFEE117 pKa = 4.44 VTEE120 pKa = 4.39 SKK122 pKa = 10.85 LLEE125 pKa = 4.71 AYY127 pKa = 10.13 QIAPDD132 pKa = 3.73 EE133 pKa = 4.34 PAVLFALGEE142 pKa = 4.19 FYY144 pKa = 11.42 NLIGKK149 pKa = 8.46 PEE151 pKa = 3.87 QAIQYY156 pKa = 8.67 YY157 pKa = 9.55 FALIQAGYY165 pKa = 10.92 LEE167 pKa = 4.28 FAKK170 pKa = 10.67 VDD172 pKa = 3.01 IAGRR176 pKa = 11.84 LGTAYY181 pKa = 10.06 AQSGHH186 pKa = 6.36 FDD188 pKa = 3.05 QALGYY193 pKa = 10.04 LEE195 pKa = 5.13 QVDD198 pKa = 4.18 PQYY201 pKa = 11.06 QSSDD205 pKa = 2.61 IRR207 pKa = 11.84 FQTGFTQLQLGKK219 pKa = 10.4 LKK221 pKa = 10.6 AAEE224 pKa = 4.1 QSLQSLIDD232 pKa = 4.55 DD233 pKa = 4.6 DD234 pKa = 4.24 SQYY237 pKa = 11.87 ASAYY241 pKa = 7.0 PALATVYY248 pKa = 9.53 EE249 pKa = 4.12 QEE251 pKa = 4.19 NDD253 pKa = 3.31 YY254 pKa = 10.96 QQALKK259 pKa = 9.42 TVQEE263 pKa = 4.35 GLSVDD268 pKa = 3.66 QYY270 pKa = 12.02 NEE272 pKa = 3.55 NLYY275 pKa = 10.78 AQAADD280 pKa = 3.96 YY281 pKa = 10.86 ASHH284 pKa = 7.13 LGDD287 pKa = 5.36 DD288 pKa = 4.31 PLMDD292 pKa = 3.41 QYY294 pKa = 11.39 LQRR297 pKa = 11.84 AHH299 pKa = 7.24 EE300 pKa = 4.45 IDD302 pKa = 4.37 PDD304 pKa = 3.66 NLTITIQYY312 pKa = 11.13 SNFLLSQQRR321 pKa = 11.84 DD322 pKa = 3.44 QDD324 pKa = 4.0 NLNLLASVEE333 pKa = 4.1 DD334 pKa = 4.53 DD335 pKa = 3.54 EE336 pKa = 6.03 VVDD339 pKa = 5.68 PQVEE343 pKa = 4.16 WNRR346 pKa = 11.84 AQSYY350 pKa = 7.82 WRR352 pKa = 11.84 LEE354 pKa = 3.98 QFDD357 pKa = 3.63 QAGQAFSAALPAFEE371 pKa = 5.86 DD372 pKa = 3.76 NPDD375 pKa = 3.95 FLHH378 pKa = 6.77 QLIDD382 pKa = 3.5 YY383 pKa = 7.54 YY384 pKa = 10.92 QAVGEE389 pKa = 4.2 RR390 pKa = 11.84 DD391 pKa = 3.44 LMFDD395 pKa = 2.93 QLQRR399 pKa = 11.84 YY400 pKa = 8.44 VEE402 pKa = 4.19 LVPTDD407 pKa = 3.23 TEE409 pKa = 4.03 MAEE412 pKa = 3.98 RR413 pKa = 11.84 LAEE416 pKa = 4.88 FEE418 pKa = 4.26 DD419 pKa = 3.83 QMYY422 pKa = 10.91
Molecular weight: 48.22 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.732
IPC2_protein 3.884
IPC_protein 3.897
Toseland 3.681
ProMoST 4.037
Dawson 3.872
Bjellqvist 4.024
Wikipedia 3.783
Rodwell 3.719
Grimsley 3.592
Solomon 3.872
Lehninger 3.821
Nozaki 3.973
DTASelect 4.202
Thurlkill 3.719
EMBOSS 3.795
Sillero 4.012
Patrickios 1.011
IPC_peptide 3.872
IPC2_peptide 3.999
IPC2.peptide.svr19 3.895
Protein with the highest isoelectric point:
>tr|H4GIE2|H4GIE2_9LACO Uncharacterized protein OS=Lactobacillus gastricus PS3 OX=1144300 GN=PS3_17351 PE=4 SV=1
MM1 pKa = 7.92 KK2 pKa = 10.14 KK3 pKa = 9.69 RR4 pKa = 11.84 QYY6 pKa = 11.11 SRR8 pKa = 11.84 WLVLGIFLLAACMRR22 pKa = 11.84 SPFTSLPSVIDD33 pKa = 3.39 QIAASFHH40 pKa = 5.82 QPATNLGILTTIPLICFGLCSTIVPSISRR69 pKa = 11.84 RR70 pKa = 11.84 WGNEE74 pKa = 3.11 VTLGVALLIMVIGSFLRR91 pKa = 11.84 IFNFVTLIFGTILVGIAITFLNVLLPAVITEE122 pKa = 5.09 KK123 pKa = 10.37 IPQKK127 pKa = 10.45 IGLLTGMYY135 pKa = 9.5 NVSLAIFSAIGAYY148 pKa = 10.27 VITPVTQATNWQTAIIGFTLLIGVTFIVWLPNLRR182 pKa = 11.84 FNHH185 pKa = 5.73 RR186 pKa = 11.84 HH187 pKa = 5.41 LVPIQAGNQTRR198 pKa = 11.84 IWTNPRR204 pKa = 11.84 AWLLLMYY211 pKa = 10.67 FGLQSFAFYY220 pKa = 10.24 IIVAWLPSIAMAAGLSNATASLVASSFQLLSLPAAFLIPTITPRR264 pKa = 11.84 FKK266 pKa = 11.02 NRR268 pKa = 11.84 VPLVIMAATPLLIGLILLLWPLNSLAYY295 pKa = 10.06 FIFISFLLGTGTSATFGIVITLFGLKK321 pKa = 7.84 THH323 pKa = 6.27 SPEE326 pKa = 3.8 EE327 pKa = 4.04 TSRR330 pKa = 11.84 LSGMVQSVGYY340 pKa = 9.65 ILAALGPVIAGNIKK354 pKa = 10.21 AATGNWQASLWMTIIIVVIMIAFGALSEE382 pKa = 4.02 RR383 pKa = 11.84 HH384 pKa = 5.3 QYY386 pKa = 10.28 INN388 pKa = 3.43
Molecular weight: 42.34 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.322
IPC2_protein 9.955
IPC_protein 10.687
Toseland 10.467
ProMoST 10.248
Dawson 10.657
Bjellqvist 10.409
Wikipedia 10.891
Rodwell 10.877
Grimsley 10.745
Solomon 10.73
Lehninger 10.687
Nozaki 10.482
DTASelect 10.394
Thurlkill 10.526
EMBOSS 10.877
Sillero 10.584
Patrickios 10.54
IPC_peptide 10.716
IPC2_peptide 9.516
IPC2.peptide.svr19 8.254
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
1269
0
1269
425951
68
1444
335.7
37.42
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
8.348 ± 0.061
0.516 ± 0.014
6.048 ± 0.066
5.548 ± 0.073
4.001 ± 0.052
6.915 ± 0.05
2.316 ± 0.027
6.96 ± 0.064
5.28 ± 0.058
9.747 ± 0.077
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.799 ± 0.03
4.458 ± 0.041
3.791 ± 0.033
5.488 ± 0.067
4.258 ± 0.049
5.542 ± 0.058
5.97 ± 0.047
7.329 ± 0.052
1.102 ± 0.028
3.584 ± 0.046
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