Pseudoalteromonas rubra
Average proteome isoelectric point is 6.09
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 4390 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|A0A0F4QPL9|A0A0F4QPL9_9GAMM Bacterioferritin OS=Pseudoalteromonas rubra OX=43658 GN=bfr PE=3 SV=1
MM1 pKa = 8.15 DD2 pKa = 4.58 YY3 pKa = 9.86 STSDD7 pKa = 3.47 LCDD10 pKa = 3.4 HH11 pKa = 6.92 FADD14 pKa = 4.11 AVDD17 pKa = 3.54 VLEE20 pKa = 4.59 PMFINFGGQSAFSGRR35 pKa = 11.84 IKK37 pKa = 9.73 TLKK40 pKa = 10.25 CFEE43 pKa = 4.42 NNEE46 pKa = 4.71 LINQVLQQDD55 pKa = 3.9 GTGQVLLVDD64 pKa = 4.63 GGGSTRR70 pKa = 11.84 RR71 pKa = 11.84 ALIDD75 pKa = 3.32 IEE77 pKa = 4.1 LAEE80 pKa = 4.94 LAIEE84 pKa = 4.36 NNWQGIVVYY93 pKa = 10.01 GAVRR97 pKa = 11.84 HH98 pKa = 4.91 VEE100 pKa = 3.96 EE101 pKa = 6.22 LEE103 pKa = 4.05 EE104 pKa = 5.45 CDD106 pKa = 5.7 LGVQAIASIPVAADD120 pKa = 3.06 SHH122 pKa = 6.74 GSGEE126 pKa = 3.9 QGIPVNFAGVSFYY139 pKa = 11.31 DD140 pKa = 4.49 DD141 pKa = 4.15 DD142 pKa = 4.23 YY143 pKa = 11.77 LYY145 pKa = 11.4 ADD147 pKa = 3.58 ATGIIISAEE156 pKa = 3.96 EE157 pKa = 3.96 LLLEE161 pKa = 4.43 VDD163 pKa = 4.69 DD164 pKa = 4.83 EE165 pKa = 4.36 QGEE168 pKa = 4.24
Molecular weight: 18.15 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.715
IPC2_protein 3.719
IPC_protein 3.706
Toseland 3.503
ProMoST 3.834
Dawson 3.694
Bjellqvist 3.884
Wikipedia 3.605
Rodwell 3.528
Grimsley 3.414
Solomon 3.681
Lehninger 3.63
Nozaki 3.808
DTASelect 3.999
Thurlkill 3.554
EMBOSS 3.617
Sillero 3.821
Patrickios 0.985
IPC_peptide 3.668
IPC2_peptide 3.795
IPC2.peptide.svr19 3.765
Protein with the highest isoelectric point:
>tr|A0A0F4QL14|A0A0F4QL14_9GAMM Uncharacterized protein OS=Pseudoalteromonas rubra OX=43658 GN=TW77_13870 PE=4 SV=1
MM1 pKa = 7.57 GSDD4 pKa = 3.52 NSPALSLGEE13 pKa = 3.94 PLQVCDD19 pKa = 4.09 KK20 pKa = 9.45 QRR22 pKa = 11.84 KK23 pKa = 7.32 RR24 pKa = 11.84 AVRR27 pKa = 11.84 KK28 pKa = 9.07 RR29 pKa = 11.84 WILTGSTSAVLKK41 pKa = 10.71 QLTLPMLWAILALFSADD58 pKa = 4.51 LIEE61 pKa = 5.65 LYY63 pKa = 10.22 FASRR67 pKa = 11.84 LGVEE71 pKa = 4.71 EE72 pKa = 4.12 LTAMSFTLPVQATLFAFAIGLGIVVATRR100 pKa = 11.84 LTQAKK105 pKa = 9.27 EE106 pKa = 4.14 VEE108 pKa = 4.12 QLAAVSLIFTVLVGATLAAVIWLGLQPLLTLLGFAEE144 pKa = 5.1 FAARR148 pKa = 11.84 EE149 pKa = 4.25 QVWPTLEE156 pKa = 5.32 RR157 pKa = 11.84 YY158 pKa = 6.77 MQYY161 pKa = 11.22 RR162 pKa = 11.84 LGAVVFFFIVMVVFGVLRR180 pKa = 11.84 AFGNMRR186 pKa = 11.84 GAAQLLVTFAGLQIVISAALFTPWAHH212 pKa = 6.27 SALPLSGLEE221 pKa = 4.05 RR222 pKa = 11.84 LGVAHH227 pKa = 7.12 FIAAVSASLYY237 pKa = 10.92 ALYY240 pKa = 10.83 LLRR243 pKa = 11.84 IKK245 pKa = 10.68 EE246 pKa = 4.19 NISLKK251 pKa = 10.33 VRR253 pKa = 11.84 LLSQRR258 pKa = 11.84 SRR260 pKa = 11.84 QAFRR264 pKa = 11.84 RR265 pKa = 11.84 LFRR268 pKa = 11.84 LFVPVVAMQLLTPLAQSLLMMIVASQGSDD297 pKa = 2.62 AVAAFGVVMRR307 pKa = 11.84 IEE309 pKa = 4.23 PLALLLPMVLTTSLPIFVGQNWAANKK335 pKa = 9.41 SLRR338 pKa = 11.84 VRR340 pKa = 11.84 RR341 pKa = 11.84 GIKK344 pKa = 9.38 QAIAACLVWQSVIALVLFWGADD366 pKa = 3.23 MLGVGFCKK374 pKa = 10.35 QSFVSQSIEE383 pKa = 3.56 LAMCILPVSYY393 pKa = 10.54 AALAGVMLYY402 pKa = 9.68 VSCCNAIGRR411 pKa = 11.84 SALALNVTLVRR422 pKa = 11.84 LFVLSLPCAYY432 pKa = 10.52 LGAQLNGFQGIVWALALANFVVGAWLLFRR461 pKa = 11.84 ALNVQRR467 pKa = 11.84 RR468 pKa = 11.84 PQVLTMSS475 pKa = 4.17
Molecular weight: 51.74 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.344
IPC2_protein 9.575
IPC_protein 10.306
Toseland 10.379
ProMoST 10.116
Dawson 10.54
Bjellqvist 10.277
Wikipedia 10.76
Rodwell 10.73
Grimsley 10.613
Solomon 10.613
Lehninger 10.57
Nozaki 10.423
DTASelect 10.262
Thurlkill 10.409
EMBOSS 10.789
Sillero 10.482
Patrickios 10.365
IPC_peptide 10.613
IPC2_peptide 9.502
IPC2.peptide.svr19 8.51
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
4390
0
4390
1545420
37
6585
352.0
39.06
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
9.37 ± 0.039
1.061 ± 0.012
5.632 ± 0.032
6.011 ± 0.032
4.07 ± 0.025
6.636 ± 0.035
2.432 ± 0.022
5.587 ± 0.029
4.804 ± 0.031
10.753 ± 0.059
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.322 ± 0.019
4.064 ± 0.027
3.941 ± 0.025
5.385 ± 0.039
4.553 ± 0.031
6.633 ± 0.042
5.428 ± 0.037
6.861 ± 0.032
1.214 ± 0.015
3.243 ± 0.024
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