Alphaproteobacteria bacterium PA3
Average proteome isoelectric point is 6.55
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 4749 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|A0A257JLY2|A0A257JLY2_9PROT Uncharacterized protein OS=Alphaproteobacteria bacterium PA3 OX=2015571 GN=CFE32_14480 PE=3 SV=1
MM1 pKa = 7.76 CIVCQAKK8 pKa = 10.47 SILKK12 pKa = 9.6 PDD14 pKa = 3.42 YY15 pKa = 10.56 EE16 pKa = 5.12 LIFGSGMNDD25 pKa = 2.95 VPAAAALASKK35 pKa = 10.47 EE36 pKa = 3.9 PDD38 pKa = 3.46 YY39 pKa = 11.71 LEE41 pKa = 4.29 TANATTSNTATSDD54 pKa = 3.44 QNINGVLANTRR65 pKa = 11.84 FSSLTLTFAFPQLATDD81 pKa = 3.74 YY82 pKa = 8.49 EE83 pKa = 4.35 ANYY86 pKa = 10.5 ASVSATTSQVIGSFSPITAAMQTAARR112 pKa = 11.84 FTFEE116 pKa = 5.18 LASQLTGLTITEE128 pKa = 4.46 GPAATANFRR137 pKa = 11.84 LGLFEE142 pKa = 4.56 QNADD146 pKa = 3.19 GTGPRR151 pKa = 11.84 TAFAYY156 pKa = 10.48 LPTSSIVGGDD166 pKa = 2.87 SWYY169 pKa = 11.16 SNTSSFTSPTRR180 pKa = 11.84 GNYY183 pKa = 8.41 AWATILHH190 pKa = 6.6 EE191 pKa = 4.78 IGHH194 pKa = 6.09 NLGLKK199 pKa = 9.7 HH200 pKa = 5.41 GHH202 pKa = 5.29 EE203 pKa = 4.68 TGGPAGVAMAANRR216 pKa = 11.84 NSMEE220 pKa = 4.24 FSLMTYY226 pKa = 10.71 NSFIGDD232 pKa = 3.49 DD233 pKa = 3.44 TAGYY237 pKa = 8.49 TNEE240 pKa = 3.78 RR241 pKa = 11.84 WGFAQTFMMYY251 pKa = 10.36 DD252 pKa = 3.5 IAALQHH258 pKa = 6.13 MYY260 pKa = 10.81 GADD263 pKa = 3.03 FTMNNTNSIYY273 pKa = 10.37 TFSEE277 pKa = 4.15 TTGEE281 pKa = 3.98 MFINGVGQGAPGGNRR296 pKa = 11.84 VFLTIWDD303 pKa = 3.91 GGGTDD308 pKa = 3.99 TYY310 pKa = 11.6 DD311 pKa = 3.3 FSNYY315 pKa = 7.17 TTTQLIDD322 pKa = 3.69 LRR324 pKa = 11.84 PSFWSKK330 pKa = 10.65 FSDD333 pKa = 3.55 VQTANLGSGNFSRR346 pKa = 11.84 GNVFNALQYY355 pKa = 10.89 QNDD358 pKa = 3.54 GRR360 pKa = 11.84 SLIEE364 pKa = 3.76 NAFGGSGNDD373 pKa = 4.51 DD374 pKa = 2.84 IRR376 pKa = 11.84 GNQAANTLEE385 pKa = 4.13 GRR387 pKa = 11.84 DD388 pKa = 3.99 GNDD391 pKa = 4.14 LINGGSGADD400 pKa = 3.48 FLYY403 pKa = 10.71 GQVGNDD409 pKa = 3.42 TLIGDD414 pKa = 4.25 FVVTNSVAANPGVGFTGLAIQTLAQGSAPTSQSTALNLTQNFGLFSNSDD463 pKa = 3.19 IGDD466 pKa = 3.93 STTSPHH472 pKa = 4.75 TTISASGNGAAHH484 pKa = 7.79 WFRR487 pKa = 11.84 VDD489 pKa = 2.89 IASADD494 pKa = 3.53 VTITLDD500 pKa = 3.15 IDD502 pKa = 3.59 ATTGGLDD509 pKa = 3.18 SFVRR513 pKa = 11.84 LFFLAPGGTIATKK526 pKa = 10.47 VAEE529 pKa = 4.46 NDD531 pKa = 4.02 DD532 pKa = 4.2 GSTSAGGGGSATNTDD547 pKa = 3.12 SYY549 pKa = 11.07 LTYY552 pKa = 10.04 LTLQPGTYY560 pKa = 8.78 FAVVGTYY567 pKa = 9.78 QDD569 pKa = 2.94 IDD571 pKa = 3.59 ALASGTGYY579 pKa = 8.47 TLHH582 pKa = 7.04 ISVRR586 pKa = 11.84 GEE588 pKa = 3.78 VSTTGLGDD596 pKa = 3.52 GGTAGDD602 pKa = 3.7 DD603 pKa = 3.29 QLYY606 pKa = 10.7 GGEE609 pKa = 4.62 GNDD612 pKa = 3.73 TLIGGLGADD621 pKa = 3.74 RR622 pKa = 11.84 LEE624 pKa = 4.56 GQNGVDD630 pKa = 3.18 TASYY634 pKa = 10.74 ANAATGVYY642 pKa = 10.22 VGFGDD647 pKa = 3.64 SGNATGEE654 pKa = 4.12 AFGDD658 pKa = 3.64 TFFSIEE664 pKa = 4.28 NLTGSAFSDD673 pKa = 3.06 ILSWDD678 pKa = 3.19 NNANVISGLAGQDD691 pKa = 3.22 QLFGNGGNDD700 pKa = 3.23 TLLGGTEE707 pKa = 4.54 DD708 pKa = 4.42 DD709 pKa = 4.42 VLTGGQGGDD718 pKa = 3.62 VLNGEE723 pKa = 4.75 AGFDD727 pKa = 3.62 TASYY731 pKa = 9.54 AASAAAIYY739 pKa = 10.38 LFAGDD744 pKa = 3.73 NGNWTGDD751 pKa = 3.32 AFGDD755 pKa = 3.64 TFISIEE761 pKa = 4.2 RR762 pKa = 11.84 VDD764 pKa = 3.64 GSNFHH769 pKa = 7.04 DD770 pKa = 4.94 LIGFSEE776 pKa = 4.63 FNDD779 pKa = 3.62 EE780 pKa = 4.37 VRR782 pKa = 11.84 GLAGNDD788 pKa = 3.16 QLYY791 pKa = 11.02 GLGGDD796 pKa = 4.02 DD797 pKa = 3.79 VLLGGEE803 pKa = 4.91 GRR805 pKa = 11.84 DD806 pKa = 3.8 LLNGGSGTDD815 pKa = 3.26 TASYY819 pKa = 8.22 ATSAAAIYY827 pKa = 10.07 LVAGDD832 pKa = 3.93 EE833 pKa = 4.61 GNWTGDD839 pKa = 3.16 AFGDD843 pKa = 3.67 TLISIEE849 pKa = 4.58 RR850 pKa = 11.84 VDD852 pKa = 3.7 GSNFNDD858 pKa = 3.96 IIGLSDD864 pKa = 3.52 LADD867 pKa = 3.66 EE868 pKa = 4.69 VRR870 pKa = 11.84 GLSGNDD876 pKa = 3.07 QLFGLGGNDD885 pKa = 3.15 ILIGGIGRR893 pKa = 11.84 DD894 pKa = 3.64 VLNGGTGTDD903 pKa = 3.21 TASYY907 pKa = 8.21 STAAAGVYY915 pKa = 10.22 AFAGDD920 pKa = 3.39 WGNFTGDD927 pKa = 3.26 AAGDD931 pKa = 3.7 TFTSIEE937 pKa = 4.33 NLTGSAFNDD946 pKa = 3.25 ILGMDD951 pKa = 4.56 GGNNVIDD958 pKa = 4.47 GGAGDD963 pKa = 5.38 DD964 pKa = 3.69 VLFGQGGGDD973 pKa = 3.68 TLIGGAGFDD982 pKa = 3.55 TASYY986 pKa = 8.61 ATATSGVYY994 pKa = 9.67 VFYY997 pKa = 10.98 GDD999 pKa = 3.18 WGSFTGDD1006 pKa = 2.99 ARR1008 pKa = 11.84 GDD1010 pKa = 3.48 TMFSVEE1016 pKa = 5.27 SILGSNFNDD1025 pKa = 4.0 IIGMDD1030 pKa = 3.91 DD1031 pKa = 4.03 FANTLAGGGGDD1042 pKa = 4.25 DD1043 pKa = 3.37 ILYY1046 pKa = 10.95 GEE1048 pKa = 4.87 GGGDD1052 pKa = 3.15 RR1053 pKa = 11.84 LFGNAGFDD1061 pKa = 3.53 TVSYY1065 pKa = 10.79 AFAPSGVYY1073 pKa = 10.03 ILFSDD1078 pKa = 4.7 LGNATGDD1085 pKa = 3.41 AAGDD1089 pKa = 4.04 SEE1091 pKa = 4.8 FSSIEE1096 pKa = 4.29 CIVGSAFDD1104 pKa = 5.5 DD1105 pKa = 4.35 IIGMGDD1111 pKa = 3.37 FNDD1114 pKa = 3.97 TLGGGGGNDD1123 pKa = 2.82 VLMGNGGGDD1132 pKa = 2.78 RR1133 pKa = 11.84 FFGNEE1138 pKa = 3.49 GFDD1141 pKa = 3.52 TVSYY1145 pKa = 10.3 GLAGSGVYY1153 pKa = 10.06 IFFADD1158 pKa = 4.31 LGNATGDD1165 pKa = 3.35 ARR1167 pKa = 11.84 GDD1169 pKa = 3.84 SEE1171 pKa = 4.25 FSSIEE1176 pKa = 4.24 SIVGSNFNDD1185 pKa = 3.81 VIGMGDD1191 pKa = 3.45 FADD1194 pKa = 4.55 TIIGGGGNDD1203 pKa = 3.4 ILLGMGGNDD1212 pKa = 4.06 TLWGGAGNDD1221 pKa = 3.34 LFAYY1225 pKa = 9.43 TSFFFGTDD1233 pKa = 3.7 TIRR1236 pKa = 11.84 DD1237 pKa = 3.89 FQDD1240 pKa = 3.32 GLDD1243 pKa = 4.16 RR1244 pKa = 11.84 IDD1246 pKa = 4.07 FSRR1249 pKa = 11.84 LAGATYY1255 pKa = 10.49 SGLAITSVAGGTQVALGTSTILLSGINTSQITAADD1290 pKa = 3.71 FLFAA1294 pKa = 5.89
Molecular weight: 132.66 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.735
IPC2_protein 3.503
IPC_protein 3.579
Toseland 3.325
ProMoST 3.757
Dawson 3.592
Bjellqvist 3.745
Wikipedia 3.554
Rodwell 3.401
Grimsley 3.236
Solomon 3.592
Lehninger 3.541
Nozaki 3.694
DTASelect 3.999
Thurlkill 3.389
EMBOSS 3.554
Sillero 3.706
Patrickios 0.807
IPC_peptide 3.579
IPC2_peptide 3.681
IPC2.peptide.svr19 3.685
Protein with the highest isoelectric point:
>tr|A0A257JVV1|A0A257JVV1_9PROT Heat-inducible transcription repressor HrcA OS=Alphaproteobacteria bacterium PA3 OX=2015571 GN=hrcA PE=3 SV=1
MM1 pKa = 7.45 KK2 pKa = 9.61 RR3 pKa = 11.84 TFQPSNRR10 pKa = 11.84 ARR12 pKa = 11.84 MATKK16 pKa = 10.32 GGRR19 pKa = 11.84 LVLARR24 pKa = 11.84 RR25 pKa = 11.84 RR26 pKa = 11.84 AKK28 pKa = 9.93 GRR30 pKa = 11.84 KK31 pKa = 8.85 RR32 pKa = 11.84 LSAA35 pKa = 3.96
Molecular weight: 4.03 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.508
IPC2_protein 11.155
IPC_protein 12.749
Toseland 12.91
ProMoST 13.408
Dawson 12.91
Bjellqvist 12.91
Wikipedia 13.393
Rodwell 12.574
Grimsley 12.954
Solomon 13.408
Lehninger 13.305
Nozaki 12.91
DTASelect 12.91
Thurlkill 12.91
EMBOSS 13.408
Sillero 12.91
Patrickios 12.31
IPC_peptide 13.408
IPC2_peptide 12.398
IPC2.peptide.svr19 9.145
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
4749
0
4749
1247484
16
2327
262.7
28.4
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
12.68 ± 0.054
0.853 ± 0.013
5.637 ± 0.032
5.318 ± 0.038
3.789 ± 0.023
8.573 ± 0.046
1.879 ± 0.017
5.069 ± 0.026
3.556 ± 0.027
10.071 ± 0.043
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.372 ± 0.021
2.851 ± 0.026
5.246 ± 0.026
3.568 ± 0.025
6.524 ± 0.033
5.805 ± 0.027
5.536 ± 0.033
7.079 ± 0.029
1.445 ± 0.017
2.146 ± 0.02
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