Staphylococcus phage StB20
Average proteome isoelectric point is 6.44
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 65 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|H9A136|H9A136_9CAUD Uncharacterized protein OS=Staphylococcus phage StB20 OX=1147043 PE=4 SV=1
MM1 pKa = 7.48 IIKK4 pKa = 9.28 MGEE7 pKa = 4.13 VEE9 pKa = 4.1 THH11 pKa = 5.32 INPRR15 pKa = 11.84 NVDD18 pKa = 2.84 IGDD21 pKa = 3.47 IGSRR25 pKa = 11.84 FYY27 pKa = 11.1 TEE29 pKa = 4.84 DD30 pKa = 3.4 EE31 pKa = 3.81 NTAFIRR37 pKa = 11.84 IRR39 pKa = 11.84 INYY42 pKa = 8.26 NGSPVDD48 pKa = 3.83 LTKK51 pKa = 10.78 TDD53 pKa = 4.04 MKK55 pKa = 10.73 PKK57 pKa = 10.28 LDD59 pKa = 4.12 LFMEE63 pKa = 5.06 DD64 pKa = 2.93 GSVFIDD70 pKa = 3.4 EE71 pKa = 4.83 TIEE74 pKa = 3.88 VLIPEE79 pKa = 4.76 IGLIKK84 pKa = 10.39 YY85 pKa = 7.56 DD86 pKa = 3.39 IPSNVIKK93 pKa = 10.76 HH94 pKa = 5.58 IGKK97 pKa = 9.58 VNCKK101 pKa = 10.24 LFMDD105 pKa = 4.14 SLEE108 pKa = 4.64 HH109 pKa = 6.13 SVHH112 pKa = 5.37 VANFSFTIVDD122 pKa = 3.71 SGVEE126 pKa = 3.71 EE127 pKa = 4.33 AVAKK131 pKa = 9.68 EE132 pKa = 3.88 VNLNIVKK139 pKa = 9.1 DD140 pKa = 3.84 TVKK143 pKa = 10.76 QIMSEE148 pKa = 4.09 DD149 pKa = 3.76 LVDD152 pKa = 4.66 LLNDD156 pKa = 3.75 GFKK159 pKa = 11.11 DD160 pKa = 3.39 KK161 pKa = 10.67 LTGDD165 pKa = 4.03 LEE167 pKa = 4.89 NYY169 pKa = 10.29 LSTHH173 pKa = 5.32 NEE175 pKa = 3.68 EE176 pKa = 4.48 FKK178 pKa = 11.15 GPKK181 pKa = 8.91 GDD183 pKa = 4.28 KK184 pKa = 10.59 GPQGEE189 pKa = 4.41 QGPQGLQGEE198 pKa = 4.34 QGIQGEE204 pKa = 4.55 KK205 pKa = 10.64 GEE207 pKa = 4.51 QGPQGATGPQGPPGKK222 pKa = 9.91 DD223 pKa = 2.99 GRR225 pKa = 11.84 DD226 pKa = 3.61 GVDD229 pKa = 3.2 GKK231 pKa = 11.42 SFAYY235 pKa = 10.31 DD236 pKa = 3.42 DD237 pKa = 4.07 FTPEE241 pKa = 4.13 QLDD244 pKa = 3.49 KK245 pKa = 11.32 LKK247 pKa = 10.9 PEE249 pKa = 4.82 LPDD252 pKa = 3.74 FSKK255 pKa = 8.78 WQKK258 pKa = 11.08 YY259 pKa = 9.85 KK260 pKa = 10.09 LTNDD264 pKa = 4.49 DD265 pKa = 3.88 GNQIATFDD273 pKa = 3.58 SDD275 pKa = 4.19 NRR277 pKa = 11.84 MTNEE281 pKa = 4.13 NLLSTPTGFYY291 pKa = 11.0 YY292 pKa = 10.54 NYY294 pKa = 10.2 EE295 pKa = 4.09 YY296 pKa = 10.9 DD297 pKa = 3.88 DD298 pKa = 4.53 SPNGSEE304 pKa = 3.88 GVVYY308 pKa = 10.94 VMEE311 pKa = 4.3 YY312 pKa = 10.21 TDD314 pKa = 3.53 EE315 pKa = 4.3 CKK317 pKa = 10.21 KK318 pKa = 10.85 VYY320 pKa = 9.99 YY321 pKa = 10.13 SSYY324 pKa = 10.36 RR325 pKa = 11.84 YY326 pKa = 9.94 NDD328 pKa = 4.11 LYY330 pKa = 11.42 VKK332 pKa = 9.67 TYY334 pKa = 10.57 HH335 pKa = 7.45 PDD337 pKa = 3.54 FGWLEE342 pKa = 3.93 WEE344 pKa = 4.74 EE345 pKa = 3.94 ISNGYY350 pKa = 7.89 TDD352 pKa = 4.0 TGWIPLAIKK361 pKa = 10.37 NDD363 pKa = 3.62 YY364 pKa = 10.77 EE365 pKa = 5.27 IITNLNYY372 pKa = 8.77 EE373 pKa = 3.61 QSYY376 pKa = 9.94 RR377 pKa = 11.84 VIDD380 pKa = 3.43 YY381 pKa = 11.49 GNFKK385 pKa = 10.17 KK386 pKa = 11.05 VSVRR390 pKa = 11.84 LGVIDD395 pKa = 4.32 NSPSNHH401 pKa = 5.79 SVVASIPEE409 pKa = 4.0 YY410 pKa = 10.77 LNPYY414 pKa = 10.17 DD415 pKa = 3.53 VFGYY419 pKa = 10.42 GVSTTQGGRR428 pKa = 11.84 PVTVTIVDD436 pKa = 3.97 GDD438 pKa = 3.46 IMLYY442 pKa = 10.41 SNSFASSMNTYY453 pKa = 9.9 YY454 pKa = 10.37 QGEE457 pKa = 4.34 WIII460 pKa = 4.24
Molecular weight: 51.83 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.326
IPC2_protein 4.368
IPC_protein 4.355
Toseland 4.177
ProMoST 4.482
Dawson 4.317
Bjellqvist 4.469
Wikipedia 4.202
Rodwell 4.19
Grimsley 4.075
Solomon 4.317
Lehninger 4.266
Nozaki 4.418
DTASelect 4.622
Thurlkill 4.19
EMBOSS 4.228
Sillero 4.469
Patrickios 3.376
IPC_peptide 4.317
IPC2_peptide 4.457
IPC2.peptide.svr19 4.393
Protein with the highest isoelectric point:
>tr|H9A102|H9A102_9CAUD Uncharacterized protein OS=Staphylococcus phage StB20 OX=1147043 PE=4 SV=1
MM1 pKa = 7.45 ILSKK5 pKa = 9.87 TINQRR10 pKa = 11.84 YY11 pKa = 9.27 KK12 pKa = 11.01 YY13 pKa = 8.05 NTQGKK18 pKa = 7.18 TPTEE22 pKa = 4.06 VQRR25 pKa = 11.84 EE26 pKa = 3.98 LRR28 pKa = 11.84 QLGVKK33 pKa = 10.18 GFVVKK38 pKa = 10.62 VAGNRR43 pKa = 11.84 VTMKK47 pKa = 10.57 VNEE50 pKa = 3.91 NDD52 pKa = 2.91 IKK54 pKa = 11.02 KK55 pKa = 9.99 NRR57 pKa = 11.84 EE58 pKa = 3.66 FLRR61 pKa = 4.98
Molecular weight: 7.17 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.265
IPC2_protein 9.809
IPC_protein 10.248
Toseland 10.847
ProMoST 10.672
Dawson 10.921
Bjellqvist 10.555
Wikipedia 11.067
Rodwell 11.389
Grimsley 10.95
Solomon 10.994
Lehninger 10.979
Nozaki 10.804
DTASelect 10.555
Thurlkill 10.818
EMBOSS 11.228
Sillero 10.833
Patrickios 11.14
IPC_peptide 11.008
IPC2_peptide 9.077
IPC2.peptide.svr19 8.718
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
65
0
65
12593
34
620
193.7
22.13
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.289 ± 0.497
0.604 ± 0.099
6.313 ± 0.375
7.52 ± 0.508
3.947 ± 0.224
6.218 ± 0.506
1.803 ± 0.181
7.25 ± 0.328
9.426 ± 0.42
7.552 ± 0.253
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.74 ± 0.193
6.885 ± 0.365
3.121 ± 0.226
3.748 ± 0.212
4.066 ± 0.256
5.892 ± 0.282
6.003 ± 0.236
6.194 ± 0.174
1.247 ± 0.133
4.185 ± 0.29
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