Firmicutes bacterium CAG:646
Average proteome isoelectric point is 6.14
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 2671 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|R5QXE0|R5QXE0_9FIRM Uncharacterized protein OS=Firmicutes bacterium CAG:646 OX=1262995 GN=BN747_02142 PE=4 SV=1
MM1 pKa = 7.55 KK2 pKa = 10.13 IKK4 pKa = 10.51 YY5 pKa = 9.97 LSVLMALGLLSAAAAGCGEE24 pKa = 4.28 KK25 pKa = 10.37 KK26 pKa = 10.5 EE27 pKa = 4.43 SFDD30 pKa = 3.78 AAAYY34 pKa = 5.83 TQAYY38 pKa = 9.56 LDD40 pKa = 3.97 ARR42 pKa = 11.84 IKK44 pKa = 11.24 GNTEE48 pKa = 3.58 EE49 pKa = 4.11 YY50 pKa = 10.76 AKK52 pKa = 10.92 LSGEE56 pKa = 4.2 SPEE59 pKa = 4.9 DD60 pKa = 3.14 LAALFDD66 pKa = 4.25 EE67 pKa = 5.27 KK68 pKa = 11.14 VQSLVTLSIGEE79 pKa = 4.14 NSNEE83 pKa = 4.4 PGSQLLPPQLSQDD96 pKa = 3.75 YY97 pKa = 9.89 AAMWKK102 pKa = 10.33 DD103 pKa = 3.57 VLQHH107 pKa = 5.33 TKK109 pKa = 10.62 YY110 pKa = 10.61 KK111 pKa = 10.63 AVEE114 pKa = 3.94 AKK116 pKa = 10.32 KK117 pKa = 10.77 DD118 pKa = 3.42 GDD120 pKa = 4.01 SYY122 pKa = 12.03 AVTIEE127 pKa = 4.14 TEE129 pKa = 4.23 YY130 pKa = 10.73 MDD132 pKa = 6.03 LNTPVNDD139 pKa = 4.12 LLTEE143 pKa = 4.16 KK144 pKa = 9.93 LTEE147 pKa = 4.34 YY148 pKa = 10.56 YY149 pKa = 10.68 AEE151 pKa = 4.59 SPDD154 pKa = 3.58 AQTNASEE161 pKa = 4.65 TYY163 pKa = 9.16 LQLMLEE169 pKa = 4.89 SYY171 pKa = 10.7 QEE173 pKa = 4.21 VLQEE177 pKa = 3.89 PAYY180 pKa = 9.82 EE181 pKa = 4.3 EE182 pKa = 4.09 PAKK185 pKa = 8.85 TTVTLSQDD193 pKa = 3.64 DD194 pKa = 4.0 KK195 pKa = 11.6 KK196 pKa = 11.3 VWTVSDD202 pKa = 3.99 EE203 pKa = 4.23 DD204 pKa = 3.94 LQTVQDD210 pKa = 4.18 GLFLPALYY218 pKa = 10.56 SDD220 pKa = 4.74 AEE222 pKa = 4.27 AEE224 pKa = 4.47 GEE226 pKa = 4.37 GASDD230 pKa = 3.9 PGSLSTEE237 pKa = 3.84 ATPDD241 pKa = 3.01 QTYY244 pKa = 10.79 PEE246 pKa = 5.49 DD247 pKa = 4.34 LDD249 pKa = 3.54 QTPTHH254 pKa = 6.23 TLGEE258 pKa = 4.38 SFILQQDD265 pKa = 3.87 GQDD268 pKa = 3.18 MVEE271 pKa = 4.17 FSVDD275 pKa = 3.16 KK276 pKa = 11.68 VEE278 pKa = 4.35 VTDD281 pKa = 4.12 EE282 pKa = 3.94 RR283 pKa = 11.84 SEE285 pKa = 4.26 YY286 pKa = 9.82 DD287 pKa = 2.93 TSNPEE292 pKa = 3.7 KK293 pKa = 10.67 VVVVTYY299 pKa = 8.57 TYY301 pKa = 11.25 KK302 pKa = 10.92 NLGFADD308 pKa = 5.36 PILYY312 pKa = 10.11 DD313 pKa = 3.4 QMSFKK318 pKa = 10.76 LLEE321 pKa = 4.56 GEE323 pKa = 4.82 STCSPYY329 pKa = 10.95 YY330 pKa = 10.27 LQSLSPADD338 pKa = 3.43 IATKK342 pKa = 10.69 GGDD345 pKa = 3.39 SVTASLAYY353 pKa = 9.9 GVSADD358 pKa = 3.78 CKK360 pKa = 10.02 EE361 pKa = 3.96 VTVYY365 pKa = 11.06 VNNSQIEE372 pKa = 4.49 SPFQVTVPLAA382 pKa = 3.77
Molecular weight: 41.88 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.749
IPC2_protein 3.948
IPC_protein 3.935
Toseland 3.745
ProMoST 4.062
Dawson 3.897
Bjellqvist 4.05
Wikipedia 3.795
Rodwell 3.77
Grimsley 3.656
Solomon 3.897
Lehninger 3.859
Nozaki 4.012
DTASelect 4.19
Thurlkill 3.77
EMBOSS 3.808
Sillero 4.05
Patrickios 1.392
IPC_peptide 3.897
IPC2_peptide 4.037
IPC2.peptide.svr19 3.937
Protein with the highest isoelectric point:
>tr|R5RMH7|R5RMH7_9FIRM Phosphoribosylaminoimidazolesuccinocarboxamide synthase OS=Firmicutes bacterium CAG:646 OX=1262995 GN=BN747_01114 PE=4 SV=1
MM1 pKa = 7.57 LPTVVYY7 pKa = 10.17 NYY9 pKa = 9.46 RR10 pKa = 11.84 TMFVQALCQIVNRR23 pKa = 11.84 LCEE26 pKa = 4.21 VLLHH30 pKa = 7.13 LSGLDD35 pKa = 3.33 LAYY38 pKa = 10.55 APGFIKK44 pKa = 10.41 WSPGNNTGMIVILFYY59 pKa = 11.08 NFHH62 pKa = 6.87 PLSDD66 pKa = 4.1 KK67 pKa = 9.7 FTHH70 pKa = 6.49 CIIRR74 pKa = 11.84 ILVSGSHH81 pKa = 6.99 LAPHH85 pKa = 5.55 QHH87 pKa = 6.76 PFYY90 pKa = 9.62 ITPIQEE96 pKa = 4.02 SFIFNLLMFSQSIVTQSLNLLNIFDD121 pKa = 3.94 QRR123 pKa = 11.84 LLTGRR128 pKa = 11.84 CQMRR132 pKa = 11.84 IFPISLIQNQPLINRR147 pKa = 11.84 TTVQQHH153 pKa = 5.09 IRR155 pKa = 11.84 TLNANISHH163 pKa = 6.21 GKK165 pKa = 8.11 IRR167 pKa = 11.84 TYY169 pKa = 10.37 RR170 pKa = 11.84 VRR172 pKa = 11.84 HH173 pKa = 5.83 FSLEE177 pKa = 3.78 HH178 pKa = 5.99 HH179 pKa = 6.88 FKK181 pKa = 11.31 LNIIQFRR188 pKa = 11.84 FFRR191 pKa = 11.84 RR192 pKa = 11.84 PRR194 pKa = 11.84 PYY196 pKa = 11.07 APFQPEE202 pKa = 3.79 IIIPQEE208 pKa = 4.03 YY209 pKa = 9.48 IGSRR213 pKa = 11.84 LHH215 pKa = 4.88 MLRR218 pKa = 11.84 RR219 pKa = 11.84 NSRR222 pKa = 11.84 EE223 pKa = 4.19 HH224 pKa = 5.74 FRR226 pKa = 11.84 HH227 pKa = 6.46 RR228 pKa = 11.84 YY229 pKa = 6.92 PFEE232 pKa = 4.58 RR233 pKa = 11.84 NRR235 pKa = 11.84 CCHH238 pKa = 5.58 QKK240 pKa = 9.95 IFSHH244 pKa = 5.76 DD245 pKa = 3.22 TFRR248 pKa = 11.84 RR249 pKa = 11.84 LHH251 pKa = 7.09 LIFQIQSMTFHH262 pKa = 7.11 IRR264 pKa = 11.84 RR265 pKa = 11.84 HH266 pKa = 4.22 FHH268 pKa = 5.66 TFQMNLGNVLTPHH281 pKa = 7.49 RR282 pKa = 11.84 FPDD285 pKa = 3.93 TGCLHH290 pKa = 6.65 IPASKK295 pKa = 10.37 ILIDD299 pKa = 3.84 PALLSSRR306 pKa = 11.84 LLHH309 pKa = 6.61 IKK311 pKa = 10.34 RR312 pKa = 11.84 IFHH315 pKa = 6.63 LHH317 pKa = 5.25 HH318 pKa = 6.2 QFIFSVPNYY327 pKa = 9.12 RR328 pKa = 11.84 SKK330 pKa = 10.66 IKK332 pKa = 10.43 RR333 pKa = 11.84 KK334 pKa = 9.73 SCVTTPVTAYY344 pKa = 9.96 ILTIYY349 pKa = 10.32 PNLCDD354 pKa = 5.21 KK355 pKa = 10.06 ITAFKK360 pKa = 9.23 MKK362 pKa = 10.19 HH363 pKa = 5.9 IIFLFQSASIHH374 pKa = 6.21 LKK376 pKa = 8.73 TSSVPDD382 pKa = 3.57 VIMAGFILNPTHH394 pKa = 7.01 FCFISKK400 pKa = 8.16 WHH402 pKa = 6.42 LNGHH406 pKa = 6.27 RR407 pKa = 11.84 ALKK410 pKa = 10.38 ISVPSLLLSTAGIIKK425 pKa = 10.21 GKK427 pKa = 9.4 IPRR430 pKa = 11.84 SIQILPVIPHH440 pKa = 7.41 KK441 pKa = 10.56 LRR443 pKa = 11.84 SWIILSVTLHH453 pKa = 6.42 AKK455 pKa = 7.2 TLRR458 pKa = 11.84 FPIHH462 pKa = 6.41 LNSIFVYY469 pKa = 10.59 LIGLYY474 pKa = 10.41 LIYY477 pKa = 9.86 WVCQLNFVNHH487 pKa = 5.94 KK488 pKa = 8.47 MFSIIYY494 pKa = 7.83 TVILSICRR502 pKa = 11.84 CKK504 pKa = 9.54 QHH506 pKa = 6.47 EE507 pKa = 4.41 YY508 pKa = 10.73 CYY510 pKa = 10.38 FPRR513 pKa = 11.84 KK514 pKa = 9.03 YY515 pKa = 10.38 GFMVFPHH522 pKa = 6.88 PSPTKK527 pKa = 10.01 IRR529 pKa = 11.84 IDD531 pKa = 3.64 TGSHH535 pKa = 5.65 SDD537 pKa = 3.57 LFKK540 pKa = 11.0 KK541 pKa = 10.51
Molecular weight: 63.71 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.339
IPC2_protein 9.823
IPC_protein 10.452
Toseland 10.511
ProMoST 10.218
Dawson 10.657
Bjellqvist 10.379
Wikipedia 10.862
Rodwell 10.979
Grimsley 10.73
Solomon 10.716
Lehninger 10.687
Nozaki 10.526
DTASelect 10.365
Thurlkill 10.54
EMBOSS 10.906
Sillero 10.584
Patrickios 10.628
IPC_peptide 10.716
IPC2_peptide 9.516
IPC2.peptide.svr19 8.445
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
2671
0
2671
834769
29
2951
312.5
35.25
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.966 ± 0.05
1.473 ± 0.021
5.194 ± 0.037
8.379 ± 0.064
4.132 ± 0.035
7.245 ± 0.046
1.801 ± 0.021
7.04 ± 0.045
6.93 ± 0.04
9.171 ± 0.058
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
3.171 ± 0.021
4.023 ± 0.033
3.354 ± 0.025
3.737 ± 0.031
4.557 ± 0.041
5.505 ± 0.038
5.236 ± 0.043
6.892 ± 0.039
1.07 ± 0.022
4.121 ± 0.034
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