Marichromatium purpuratum 984
Average proteome isoelectric point is 6.29
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 3249 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|W0E7P4|W0E7P4_MARPU Uncharacterized protein OS=Marichromatium purpuratum 984 OX=765910 GN=MARPU_10805 PE=4 SV=1
MM1 pKa = 7.75 DD2 pKa = 3.93 VSRR5 pKa = 11.84 LTLCSLLVAAALAPHH20 pKa = 7.08 AASADD25 pKa = 3.14 DD26 pKa = 3.71 WQRR29 pKa = 11.84 IDD31 pKa = 3.24 AAAPFVDD38 pKa = 3.23 ADD40 pKa = 3.94 GVFRR44 pKa = 11.84 TPACSGSPRR53 pKa = 11.84 LEE55 pKa = 4.19 EE56 pKa = 4.58 GEE58 pKa = 4.6 VVATDD63 pKa = 2.95 TDD65 pKa = 3.95 YY66 pKa = 11.97 AFFVRR71 pKa = 11.84 DD72 pKa = 3.58 GDD74 pKa = 4.01 PEE76 pKa = 4.17 RR77 pKa = 11.84 LLLFFDD83 pKa = 4.89 GGGACWDD90 pKa = 3.76 AGTCIDD96 pKa = 4.7 AALDD100 pKa = 3.76 GNVLYY105 pKa = 10.39 FPEE108 pKa = 4.21 VDD110 pKa = 3.46 EE111 pKa = 5.27 TPDD114 pKa = 3.22 EE115 pKa = 4.16 LAGFGGVFDD124 pKa = 6.42 LDD126 pKa = 3.61 RR127 pKa = 11.84 TDD129 pKa = 3.72 NPLRR133 pKa = 11.84 DD134 pKa = 3.83 HH135 pKa = 6.39 LQVYY139 pKa = 9.74 LPYY142 pKa = 9.94 CTGDD146 pKa = 3.31 LHH148 pKa = 8.36 LGARR152 pKa = 11.84 DD153 pKa = 3.51 TSYY156 pKa = 10.97 PLPDD160 pKa = 4.12 GGDD163 pKa = 2.85 WTIYY167 pKa = 10.27 HH168 pKa = 7.09 RR169 pKa = 11.84 GHH171 pKa = 7.16 DD172 pKa = 3.63 NVIAVLEE179 pKa = 4.04 YY180 pKa = 10.86 LADD183 pKa = 3.74 YY184 pKa = 9.25 YY185 pKa = 11.46 ANEE188 pKa = 4.17 VGEE191 pKa = 4.21 PPEE194 pKa = 4.51 EE195 pKa = 3.95 IVLVGASAGGYY206 pKa = 8.7 GVLYY210 pKa = 10.06 NYY212 pKa = 7.96 PALARR217 pKa = 11.84 RR218 pKa = 11.84 FPGVEE223 pKa = 4.11 RR224 pKa = 11.84 IRR226 pKa = 11.84 VLVDD230 pKa = 2.9 SSNGVISEE238 pKa = 4.32 DD239 pKa = 3.26 LFEE242 pKa = 4.96 RR243 pKa = 11.84 ALEE246 pKa = 4.17 ADD248 pKa = 4.42 GVWGAQEE255 pKa = 4.17 NLDD258 pKa = 4.19 PEE260 pKa = 4.32 IASAFDD266 pKa = 4.01 DD267 pKa = 4.58 GAGQLVPGLFNTLGWQYY284 pKa = 10.78 PDD286 pKa = 3.77 ARR288 pKa = 11.84 FGQYY292 pKa = 7.83 TRR294 pKa = 11.84 AYY296 pKa = 10.3 DD297 pKa = 3.53 AVQVLFFNVSSNLGNPEE314 pKa = 3.56 RR315 pKa = 11.84 WFDD318 pKa = 3.7 PVYY321 pKa = 11.03 LLLSGLEE328 pKa = 3.78 WTTRR332 pKa = 11.84 ARR334 pKa = 11.84 ASMWGTAFTTWNYY347 pKa = 10.55 RR348 pKa = 11.84 FYY350 pKa = 10.93 LAQGQTHH357 pKa = 5.58 MVSFYY362 pKa = 11.34 DD363 pKa = 4.34 DD364 pKa = 4.16 FFNEE368 pKa = 4.21 DD369 pKa = 3.19 SAGGIEE375 pKa = 4.05 LSDD378 pKa = 3.33 WFGDD382 pKa = 3.59 MIEE385 pKa = 4.28 RR386 pKa = 11.84 RR387 pKa = 11.84 WTFGSDD393 pKa = 2.33 WRR395 pKa = 11.84 NASCVPACLPPEE407 pKa = 4.25 GLDD410 pKa = 4.39 LSTLL414 pKa = 3.72
Molecular weight: 45.68 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.743
IPC2_protein 3.948
IPC_protein 3.973
Toseland 3.757
ProMoST 4.126
Dawson 3.961
Bjellqvist 4.113
Wikipedia 3.884
Rodwell 3.795
Grimsley 3.668
Solomon 3.961
Lehninger 3.923
Nozaki 4.075
DTASelect 4.317
Thurlkill 3.795
EMBOSS 3.897
Sillero 4.101
Patrickios 1.443
IPC_peptide 3.961
IPC2_peptide 4.075
IPC2.peptide.svr19 3.979
Protein with the highest isoelectric point:
>tr|W0E3D9|W0E3D9_MARPU Diguanylate cyclase OS=Marichromatium purpuratum 984 OX=765910 GN=MARPU_07445 PE=4 SV=1
MM1 pKa = 7.45 KK2 pKa = 9.56 RR3 pKa = 11.84 TFQPSRR9 pKa = 11.84 LKK11 pKa = 10.48 RR12 pKa = 11.84 ARR14 pKa = 11.84 THH16 pKa = 5.93 GFRR19 pKa = 11.84 ARR21 pKa = 11.84 SATRR25 pKa = 11.84 NGRR28 pKa = 11.84 KK29 pKa = 9.2 VLAARR34 pKa = 11.84 RR35 pKa = 11.84 AKK37 pKa = 10.29 GRR39 pKa = 11.84 ARR41 pKa = 11.84 LALL44 pKa = 3.93
Molecular weight: 5.08 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.526
IPC2_protein 11.286
IPC_protein 12.881
Toseland 13.042
ProMoST 13.539
Dawson 13.042
Bjellqvist 13.042
Wikipedia 13.525
Rodwell 12.676
Grimsley 13.086
Solomon 13.539
Lehninger 13.437
Nozaki 13.042
DTASelect 13.042
Thurlkill 13.042
EMBOSS 13.539
Sillero 13.042
Patrickios 12.398
IPC_peptide 13.539
IPC2_peptide 12.53
IPC2.peptide.svr19 9.215
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
3249
0
3249
1091096
30
1974
335.8
36.73
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
12.579 ± 0.06
1.023 ± 0.016
5.779 ± 0.035
6.605 ± 0.044
3.164 ± 0.027
8.258 ± 0.038
2.384 ± 0.026
4.439 ± 0.03
1.926 ± 0.027
11.958 ± 0.071
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.042 ± 0.019
2.057 ± 0.023
5.368 ± 0.037
3.451 ± 0.03
8.681 ± 0.052
4.611 ± 0.032
4.889 ± 0.033
7.197 ± 0.036
1.391 ± 0.02
2.196 ± 0.023
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