Niveispirillum lacus
Average proteome isoelectric point is 6.58
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 4265 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|A0A255Z4Z5|A0A255Z4Z5_9PROT DNA-binding protein OS=Niveispirillum lacus OX=1981099 GN=CHU95_04700 PE=4 SV=1
MM1 pKa = 7.29 PHH3 pKa = 6.86 KK4 pKa = 9.58 EE5 pKa = 3.23 WFMRR9 pKa = 11.84 FSKK12 pKa = 10.52 FVASTAIALAMLGGAAAAQAEE33 pKa = 4.39 DD34 pKa = 3.68 ASFSFSGTAAITSDD48 pKa = 3.76 YY49 pKa = 10.87 VFRR52 pKa = 11.84 GYY54 pKa = 10.5 SQTDD58 pKa = 3.21 SDD60 pKa = 4.36 PAFQAGLTASHH71 pKa = 6.76 EE72 pKa = 4.58 SGFFVSAWGSNVDD85 pKa = 4.36 LGSDD89 pKa = 3.23 ADD91 pKa = 3.92 IEE93 pKa = 4.29 VDD95 pKa = 5.66 LIAGYY100 pKa = 8.64 TNSVDD105 pKa = 3.16 NLTYY109 pKa = 10.32 TVGAYY114 pKa = 10.36 YY115 pKa = 8.75 YY116 pKa = 8.3 TYY118 pKa = 10.5 PGADD122 pKa = 3.11 GSAEE126 pKa = 3.64 FDD128 pKa = 3.71 YY129 pKa = 11.53 FEE131 pKa = 6.29 AGLDD135 pKa = 3.33 LAYY138 pKa = 10.4 AIDD141 pKa = 4.31 KK142 pKa = 8.52 VTLTGKK148 pKa = 10.38 LYY150 pKa = 10.48 YY151 pKa = 10.52 SPEE154 pKa = 3.95 FFGAAGGDD162 pKa = 2.79 AWYY165 pKa = 8.88 FAGGTSVAVTEE176 pKa = 4.43 TVSVYY181 pKa = 10.8 GAIGFNEE188 pKa = 4.47 LDD190 pKa = 3.78 NGTDD194 pKa = 3.54 YY195 pKa = 11.4 QDD197 pKa = 3.71 YY198 pKa = 10.75 QGGIAVKK205 pKa = 10.26 FDD207 pKa = 3.87 PFVLDD212 pKa = 4.99 LKK214 pKa = 10.56 YY215 pKa = 9.6 TDD217 pKa = 4.13 TDD219 pKa = 3.67 VKK221 pKa = 11.04 GAGPLGDD228 pKa = 3.57 SRR230 pKa = 11.84 FVATLTYY237 pKa = 11.07 AFF239 pKa = 4.8
Molecular weight: 25.44 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.817
IPC2_protein 3.795
IPC_protein 3.808
Toseland 3.579
ProMoST 3.986
Dawson 3.821
Bjellqvist 3.973
Wikipedia 3.77
Rodwell 3.643
Grimsley 3.49
Solomon 3.808
Lehninger 3.77
Nozaki 3.935
DTASelect 4.202
Thurlkill 3.643
EMBOSS 3.783
Sillero 3.935
Patrickios 0.273
IPC_peptide 3.795
IPC2_peptide 3.91
IPC2.peptide.svr19 3.843
Protein with the highest isoelectric point:
>tr|A0A255Z0H4|A0A255Z0H4_9PROT Ferredoxin OS=Niveispirillum lacus OX=1981099 GN=CHU95_10320 PE=4 SV=1
MM1 pKa = 7.49 KK2 pKa = 10.41 RR3 pKa = 11.84 PFQPSKK9 pKa = 9.2 IVRR12 pKa = 11.84 ARR14 pKa = 11.84 RR15 pKa = 11.84 HH16 pKa = 4.49 GFRR19 pKa = 11.84 ARR21 pKa = 11.84 MATAAGRR28 pKa = 11.84 NIINKK33 pKa = 9.09 RR34 pKa = 11.84 RR35 pKa = 11.84 AQGRR39 pKa = 11.84 KK40 pKa = 9.19 KK41 pKa = 10.65 LSAA44 pKa = 3.91
Molecular weight: 5.09 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.517
IPC2_protein 11.199
IPC_protein 12.793
Toseland 12.969
ProMoST 13.451
Dawson 12.969
Bjellqvist 12.954
Wikipedia 13.437
Rodwell 12.647
Grimsley 12.998
Solomon 13.451
Lehninger 13.364
Nozaki 12.954
DTASelect 12.954
Thurlkill 12.954
EMBOSS 13.466
Sillero 12.954
Patrickios 12.369
IPC_peptide 13.466
IPC2_peptide 12.442
IPC2.peptide.svr19 9.154
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
4265
0
4265
1464700
41
6470
343.4
37.13
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
12.494 ± 0.053
0.8 ± 0.013
5.995 ± 0.028
4.971 ± 0.035
3.417 ± 0.024
8.907 ± 0.049
2.031 ± 0.021
4.725 ± 0.024
2.965 ± 0.03
10.72 ± 0.053
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.461 ± 0.018
2.635 ± 0.024
5.474 ± 0.038
3.367 ± 0.025
7.218 ± 0.045
5.116 ± 0.04
5.678 ± 0.056
7.449 ± 0.03
1.41 ± 0.016
2.167 ± 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