Firmicutes bacterium M10-2
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 2256 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|R9LNV1|R9LNV1_9FIRM Orotate phosphoribosyltransferase OS=Firmicutes bacterium M10-2 OX=1235796 GN=pyrE PE=3 SV=1
MM1 pKa = 7.31 KK2 pKa = 10.57 AKK4 pKa = 10.07 IALILALTLGLSACSAAPAKK24 pKa = 10.5 NQTDD28 pKa = 3.7 QPISQQANEE37 pKa = 4.28 QFTKK41 pKa = 10.82 YY42 pKa = 10.69 LNDD45 pKa = 3.56 YY46 pKa = 8.12 VVEE49 pKa = 4.06 MAEE52 pKa = 4.2 SDD54 pKa = 4.17 FTTMHH59 pKa = 6.19 QFFEE63 pKa = 4.42 HH64 pKa = 6.96 PEE66 pKa = 3.91 NYY68 pKa = 10.54 GIDD71 pKa = 3.75 PEE73 pKa = 4.37 KK74 pKa = 11.36 VEE76 pKa = 4.15 VTLGSIEE83 pKa = 4.06 PDD85 pKa = 3.36 EE86 pKa = 4.2 EE87 pKa = 4.49 SKK89 pKa = 11.27 ALEE92 pKa = 4.57 KK93 pKa = 10.88 KK94 pKa = 10.82 LSDD97 pKa = 3.52 QLDD100 pKa = 3.69 SFDD103 pKa = 5.07 RR104 pKa = 11.84 SSLDD108 pKa = 3.15 EE109 pKa = 4.34 RR110 pKa = 11.84 QQTIYY115 pKa = 11.09 DD116 pKa = 3.51 QLQYY120 pKa = 11.21 QFDD123 pKa = 3.55 QSQQEE128 pKa = 4.16 EE129 pKa = 4.6 EE130 pKa = 4.18 EE131 pKa = 4.19 KK132 pKa = 10.74 FRR134 pKa = 11.84 YY135 pKa = 8.59 LGNMWSSMNGLPQTLVSYY153 pKa = 10.25 FSEE156 pKa = 4.53 YY157 pKa = 10.4 EE158 pKa = 3.81 LRR160 pKa = 11.84 QEE162 pKa = 4.42 SDD164 pKa = 3.01 IAPLIQLINDD174 pKa = 3.6 IPRR177 pKa = 11.84 YY178 pKa = 7.41 TKK180 pKa = 10.38 EE181 pKa = 3.51 ALTYY185 pKa = 9.92 SEE187 pKa = 4.7 KK188 pKa = 10.35 QAEE191 pKa = 4.66 NDD193 pKa = 3.56 TLMLDD198 pKa = 3.89 YY199 pKa = 10.91 EE200 pKa = 4.58 DD201 pKa = 5.35 TIQSCQEE208 pKa = 3.6 ILNSKK213 pKa = 9.34 EE214 pKa = 3.72 NSAVTAEE221 pKa = 4.02 LMKK224 pKa = 10.82 DD225 pKa = 3.72 VEE227 pKa = 4.57 QLDD230 pKa = 4.31 LDD232 pKa = 4.03 PEE234 pKa = 4.17 KK235 pKa = 10.33 TIQYY239 pKa = 7.71 EE240 pKa = 4.19 KK241 pKa = 10.47 QIKK244 pKa = 9.65 DD245 pKa = 3.43 ALDD248 pKa = 3.28 TSFFPSYY255 pKa = 11.25 QLMIDD260 pKa = 4.17 GLTKK264 pKa = 10.76 LKK266 pKa = 10.97 DD267 pKa = 3.73 SIQPVAGMASLEE279 pKa = 4.15 NGKK282 pKa = 9.99 EE283 pKa = 4.03 YY284 pKa = 11.47 YY285 pKa = 10.05 EE286 pKa = 5.07 LLVQQYY292 pKa = 9.05 TGTTDD297 pKa = 3.28 SIEE300 pKa = 4.34 TIKK303 pKa = 11.1 KK304 pKa = 9.52 NVEE307 pKa = 3.78 NEE309 pKa = 3.25 IDD311 pKa = 3.97 EE312 pKa = 4.93 ISTQVSSLLTDD323 pKa = 4.43 DD324 pKa = 4.68 NYY326 pKa = 11.99 DD327 pKa = 3.58 MILNYY332 pKa = 9.87 MNLKK336 pKa = 9.15 TDD338 pKa = 4.13 FEE340 pKa = 4.5 NVEE343 pKa = 4.71 DD344 pKa = 4.21 ILVFLNEE351 pKa = 3.77 NYY353 pKa = 10.33 DD354 pKa = 3.53 RR355 pKa = 11.84 YY356 pKa = 10.15 FPQVDD361 pKa = 3.06 AMKK364 pKa = 10.92 YY365 pKa = 10.1 DD366 pKa = 4.3 LQPLADD372 pKa = 4.41 DD373 pKa = 3.94 QSQEE377 pKa = 4.14 GIVAYY382 pKa = 9.38 FMIPAVDD389 pKa = 3.3 STTDD393 pKa = 2.92 YY394 pKa = 10.82 RR395 pKa = 11.84 IRR397 pKa = 11.84 YY398 pKa = 7.39 NRR400 pKa = 11.84 RR401 pKa = 11.84 DD402 pKa = 3.65 YY403 pKa = 11.81 GDD405 pKa = 4.66 DD406 pKa = 3.52 PSALSLYY413 pKa = 8.57 QTLAHH418 pKa = 6.44 EE419 pKa = 5.71 GIPGHH424 pKa = 6.54 MYY426 pKa = 8.83 QAQYY430 pKa = 11.03 NKK432 pKa = 9.86 EE433 pKa = 3.9 HH434 pKa = 5.77 FQYY437 pKa = 10.29 TIEE440 pKa = 4.18 YY441 pKa = 8.72 FLSNSGFSEE450 pKa = 5.3 GYY452 pKa = 7.93 ATYY455 pKa = 11.03 VEE457 pKa = 4.12 NQSLKK462 pKa = 10.74 FLDD465 pKa = 4.9 LDD467 pKa = 4.17 PDD469 pKa = 4.86 LINMYY474 pKa = 10.29 VYY476 pKa = 11.06 EE477 pKa = 5.1 DD478 pKa = 4.21 LLNNNYY484 pKa = 9.45 ILLMDD489 pKa = 4.0 IAVNYY494 pKa = 9.23 EE495 pKa = 3.75 GLNLEE500 pKa = 4.53 EE501 pKa = 4.32 FQSTFDD507 pKa = 3.75 MFDD510 pKa = 3.21 PTALEE515 pKa = 4.27 SIYY518 pKa = 10.87 DD519 pKa = 3.76 QLAGNPGVFMSYY531 pKa = 10.22 YY532 pKa = 9.71 YY533 pKa = 10.87 GYY535 pKa = 11.28 NKK537 pKa = 9.84 ISNLRR542 pKa = 11.84 EE543 pKa = 3.79 EE544 pKa = 4.65 AKK546 pKa = 10.49 EE547 pKa = 3.76 ALKK550 pKa = 10.98 DD551 pKa = 3.67 SFDD554 pKa = 3.89 DD555 pKa = 4.23 VEE557 pKa = 4.78 FNNALLQSGSVNFDD571 pKa = 4.75 LIQQNIDD578 pKa = 3.66 KK579 pKa = 10.47 YY580 pKa = 11.27 IKK582 pKa = 10.43 DD583 pKa = 3.71 NQQ585 pKa = 3.45
Molecular weight: 67.68 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.774
IPC2_protein 3.999
IPC_protein 3.999
Toseland 3.795
ProMoST 4.126
Dawson 3.961
Bjellqvist 4.113
Wikipedia 3.859
Rodwell 3.821
Grimsley 3.706
Solomon 3.961
Lehninger 3.923
Nozaki 4.075
DTASelect 4.266
Thurlkill 3.821
EMBOSS 3.872
Sillero 4.113
Patrickios 1.341
IPC_peptide 3.961
IPC2_peptide 4.101
IPC2.peptide.svr19 4.0
Protein with the highest isoelectric point:
>tr|R9LWV9|R9LWV9_9FIRM Uncharacterized protein OS=Firmicutes bacterium M10-2 OX=1235796 GN=C815_01577 PE=4 SV=1
MM1 pKa = 7.35 KK2 pKa = 9.43 RR3 pKa = 11.84 TYY5 pKa = 10.14 QPSKK9 pKa = 9.71 RR10 pKa = 11.84 KK11 pKa = 9.45 HH12 pKa = 4.84 KK13 pKa = 8.72 TVHH16 pKa = 5.79 GFRR19 pKa = 11.84 ARR21 pKa = 11.84 MATVGGRR28 pKa = 11.84 KK29 pKa = 9.01 VLARR33 pKa = 11.84 RR34 pKa = 11.84 RR35 pKa = 11.84 AKK37 pKa = 9.94 GRR39 pKa = 11.84 KK40 pKa = 8.67 VLSAA44 pKa = 4.05
Molecular weight: 5.08 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.39
IPC2_protein 11.052
IPC_protein 12.398
Toseland 12.559
ProMoST 13.042
Dawson 12.559
Bjellqvist 12.544
Wikipedia 13.027
Rodwell 12.34
Grimsley 12.603
Solomon 13.056
Lehninger 12.954
Nozaki 12.559
DTASelect 12.544
Thurlkill 12.559
EMBOSS 13.056
Sillero 12.559
Patrickios 12.076
IPC_peptide 13.056
IPC2_peptide 12.032
IPC2.peptide.svr19 9.006
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
2256
0
2256
690888
28
3426
306.2
34.69
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.643 ± 0.051
1.403 ± 0.023
5.805 ± 0.044
7.362 ± 0.052
4.486 ± 0.042
6.231 ± 0.044
2.125 ± 0.025
8.011 ± 0.044
7.376 ± 0.043
9.298 ± 0.057
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
3.079 ± 0.027
4.74 ± 0.037
3.37 ± 0.029
3.896 ± 0.032
3.897 ± 0.044
5.769 ± 0.039
5.071 ± 0.042
6.38 ± 0.045
0.982 ± 0.019
4.076 ± 0.037
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