Podiceps cristatus (Great crested grebe)
Average proteome isoelectric point is 6.7
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 7899 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|A0A094LC80|A0A094LC80_PODCR Calcium-binding mitochondrial carrier protein SCaMC-2 (Fragment) OS=Podiceps cristatus OX=345573 GN=N338_02319 PE=3 SV=1
QQ1 pKa = 7.33 GSYY4 pKa = 10.62 HH5 pKa = 7.07 CGQCKK10 pKa = 9.99 AGYY13 pKa = 8.56 TGDD16 pKa = 3.59 QVRR19 pKa = 11.84 GCQAEE24 pKa = 4.04 RR25 pKa = 11.84 SCRR28 pKa = 11.84 NRR30 pKa = 11.84 ALNPCSVHH38 pKa = 5.15 AHH40 pKa = 6.53 CIEE43 pKa = 3.83 EE44 pKa = 4.03 RR45 pKa = 11.84 RR46 pKa = 11.84 GEE48 pKa = 4.25 VTCICGIGWAGDD60 pKa = 3.82 GYY62 pKa = 10.67 ICGKK66 pKa = 10.36 DD67 pKa = 3.5 VDD69 pKa = 3.63 IDD71 pKa = 4.16 GYY73 pKa = 10.1 PNEE76 pKa = 4.55 EE77 pKa = 4.13 LSCSAEE83 pKa = 3.8 NCRR86 pKa = 11.84 KK87 pKa = 10.08 DD88 pKa = 3.11 NCRR91 pKa = 11.84 FVPNSGQEE99 pKa = 4.02 DD100 pKa = 4.12 ADD102 pKa = 3.79 GDD104 pKa = 4.61 GIGDD108 pKa = 4.09 ACDD111 pKa = 4.46 DD112 pKa = 4.56 DD113 pKa = 6.96 ADD115 pKa = 4.36 GDD117 pKa = 4.52 GIPNEE122 pKa = 4.01 QDD124 pKa = 3.11 NCVLAPNVNQRR135 pKa = 11.84 NSDD138 pKa = 3.11 QDD140 pKa = 3.43 IFGDD144 pKa = 3.72 ACDD147 pKa = 3.38 NCRR150 pKa = 11.84 NVLNNDD156 pKa = 3.07 QRR158 pKa = 11.84 DD159 pKa = 3.45 TDD161 pKa = 3.87 GDD163 pKa = 4.16 GKK165 pKa = 11.42 GDD167 pKa = 3.74 ACDD170 pKa = 5.17 DD171 pKa = 4.26 DD172 pKa = 4.15 MDD174 pKa = 6.26 GDD176 pKa = 4.5 GIKK179 pKa = 10.77 NLLDD183 pKa = 3.4 NCQRR187 pKa = 11.84 FPNQDD192 pKa = 3.3 QEE194 pKa = 5.61 DD195 pKa = 3.97 KK196 pKa = 11.46 DD197 pKa = 3.9 NDD199 pKa = 4.31 GVGDD203 pKa = 4.14 ACDD206 pKa = 3.44 SCPTVSNPNQSDD218 pKa = 3.32 VDD220 pKa = 3.63 NDD222 pKa = 4.07 LVGDD226 pKa = 4.11 SCDD229 pKa = 3.63 TNQDD233 pKa = 3.04 SDD235 pKa = 4.07 GDD237 pKa = 4.03 GHH239 pKa = 7.17 QDD241 pKa = 3.22 STDD244 pKa = 3.33 NCPTIINSSQLDD256 pKa = 3.76 TDD258 pKa = 4.01 KK259 pKa = 11.41 DD260 pKa = 4.0 GPDD263 pKa = 3.37 NCRR266 pKa = 11.84 LVPNPGQEE274 pKa = 4.18 DD275 pKa = 4.25 DD276 pKa = 4.42 NGDD279 pKa = 3.69 GVGDD283 pKa = 3.48 ICEE286 pKa = 4.29 SDD288 pKa = 3.45 FDD290 pKa = 3.86 QDD292 pKa = 3.88 TVIDD296 pKa = 4.99 RR297 pKa = 11.84 IDD299 pKa = 3.38 VCPEE303 pKa = 3.33 NAEE306 pKa = 3.78 ITLTDD311 pKa = 3.83 FRR313 pKa = 11.84 AYY315 pKa = 8.19 QTVVLDD321 pKa = 4.22 PEE323 pKa = 5.32 GDD325 pKa = 3.65 AQIDD329 pKa = 4.13 PNWVVLNQGMEE340 pKa = 4.11 IVQTMNSDD348 pKa = 3.19 PGLAVGYY355 pKa = 7.31 TAFNGVDD362 pKa = 3.99 FEE364 pKa = 4.97 GTFHH368 pKa = 6.81 VNTVTDD374 pKa = 3.57 DD375 pKa = 4.08 DD376 pKa = 4.35 YY377 pKa = 12.0 AGFIFGYY384 pKa = 9.58 QDD386 pKa = 2.83 SSSFYY391 pKa = 10.47 VVMWKK396 pKa = 7.78 QTEE399 pKa = 3.86 QTYY402 pKa = 8.13 WQATPFRR409 pKa = 11.84 AVAEE413 pKa = 4.19 PGIQLKK419 pKa = 10.18 VLL421 pKa = 3.67
Molecular weight: 45.7 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.737
IPC2_protein 3.605
IPC_protein 3.668
Toseland 3.427
ProMoST 3.859
Dawson 3.681
Bjellqvist 3.834
Wikipedia 3.656
Rodwell 3.49
Grimsley 3.325
Solomon 3.681
Lehninger 3.643
Nozaki 3.795
DTASelect 4.113
Thurlkill 3.49
EMBOSS 3.656
Sillero 3.795
Patrickios 0.54
IPC_peptide 3.668
IPC2_peptide 3.77
IPC2.peptide.svr19 3.726
Protein with the highest isoelectric point:
>tr|A0A094NFK6|A0A094NFK6_PODCR LYR motif-containing protein 9 (Fragment) OS=Podiceps cristatus OX=345573 GN=N338_06851 PE=4 SV=1
KKK2 pKa = 10.12 RR3 pKa = 11.84 QGKKK7 pKa = 8.85 RR8 pKa = 11.84 QGKKK12 pKa = 8.73 RR13 pKa = 11.84 QGKKK17 pKa = 8.73 RR18 pKa = 11.84 QGKKK22 pKa = 8.73 RR23 pKa = 11.84 QGKKK27 pKa = 8.73 RR28 pKa = 11.84 QGKKK32 pKa = 8.73 RR33 pKa = 11.84 QGKKK37 pKa = 8.73 RR38 pKa = 11.84 QGKKK42 pKa = 8.73 RR43 pKa = 11.84 QGKKK47 pKa = 8.73 RR48 pKa = 11.84 QGKKK52 pKa = 8.73 RR53 pKa = 11.84 QGKKK57 pKa = 9.07 RR58 pKa = 11.84
Molecular weight: 6.32 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.52
IPC2_protein 11.316
IPC_protein 12.881
Toseland 13.056
ProMoST 13.554
Dawson 13.056
Bjellqvist 13.042
Wikipedia 13.525
Rodwell 12.866
Grimsley 13.1
Solomon 13.554
Lehninger 13.451
Nozaki 13.056
DTASelect 13.042
Thurlkill 13.056
EMBOSS 13.554
Sillero 13.056
Patrickios 12.574
IPC_peptide 13.554
IPC2_peptide 12.53
IPC2.peptide.svr19 9.191
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
7899
0
7899
3087637
31
5432
390.9
43.95
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.36 ± 0.023
2.242 ± 0.023
5.031 ± 0.019
7.17 ± 0.04
3.984 ± 0.02
5.803 ± 0.032
2.54 ± 0.013
5.024 ± 0.022
6.505 ± 0.035
9.705 ± 0.034
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.269 ± 0.014
4.187 ± 0.021
5.232 ± 0.031
4.637 ± 0.025
5.179 ± 0.024
8.232 ± 0.044
5.401 ± 0.024
6.297 ± 0.022
1.191 ± 0.011
3.005 ± 0.017
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