Hordeum vulgare subsp. vulgare (Domesticated barley)
Average proteome isoelectric point is 6.88
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 189799 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|M0V9N4|M0V9N4_HORVV Isoform of A0A287PHC5 Uncharacterized protein OS=Hordeum vulgare subsp. vulgare OX=112509 PE=4 SV=1
MM1 pKa = 7.29 HH2 pKa = 6.18 VVCRR6 pKa = 11.84 IFQKK10 pKa = 10.73 VGSGPQNGAQYY21 pKa = 9.57 GAPYY25 pKa = 9.48 MEE27 pKa = 5.18 EE28 pKa = 3.88 EE29 pKa = 4.76 WEE31 pKa = 4.61 DD32 pKa = 3.53 EE33 pKa = 4.22 DD34 pKa = 5.85 DD35 pKa = 5.58 AIEE38 pKa = 4.09 NTPTSGTSTEE48 pKa = 4.18 MLAITDD54 pKa = 3.86 TASAEE59 pKa = 4.47 SNVEE63 pKa = 3.87 DD64 pKa = 3.95 EE65 pKa = 5.29 NIFSGINEE73 pKa = 4.49 LVQIQDD79 pKa = 3.35 VLIPPEE85 pKa = 4.01 IVAPIQAIAPLQAQGLNGTGMGSYY109 pKa = 11.21 ADD111 pKa = 4.04 GDD113 pKa = 3.9 VSLDD117 pKa = 3.98 EE118 pKa = 4.6 ILQEE122 pKa = 4.05 PVSDD126 pKa = 3.64 VSVDD130 pKa = 3.41 NTGEE134 pKa = 4.11 PEE136 pKa = 4.16 EE137 pKa = 4.08 QSPIDD142 pKa = 3.77 DD143 pKa = 4.35 HH144 pKa = 7.45 FSLADD149 pKa = 4.01 LSGCPNQDD157 pKa = 3.0 DD158 pKa = 5.21 GYY160 pKa = 10.97 VRR162 pKa = 11.84 QAGLTMWSDD171 pKa = 3.82 PSNGDD176 pKa = 3.02 QAYY179 pKa = 9.14 YY180 pKa = 10.06 PIIRR184 pKa = 11.84 TYY186 pKa = 11.28 GNRR189 pKa = 11.84 NHH191 pKa = 6.96 ANMALSDD198 pKa = 3.79 AEE200 pKa = 4.38 YY201 pKa = 10.7 FDD203 pKa = 5.01 TEE205 pKa = 4.26 NDD207 pKa = 3.16 TNAYY211 pKa = 9.88 FGQQQACPSDD221 pKa = 3.66 DD222 pKa = 3.5 QNLYY226 pKa = 10.66 SGQQQACPSDD236 pKa = 3.67 DD237 pKa = 3.54 QNLYY241 pKa = 10.79 GPSFPQQVGDD251 pKa = 3.53 NEE253 pKa = 4.2 QFYY256 pKa = 10.32 EE257 pKa = 4.49 ASSDD261 pKa = 3.79 HH262 pKa = 6.38 KK263 pKa = 10.72 WVDD266 pKa = 4.1 GKK268 pKa = 10.75 DD269 pKa = 3.2 DD270 pKa = 3.87 CANVNDD276 pKa = 5.35 LSIFDD281 pKa = 4.88 DD282 pKa = 6.18 DD283 pKa = 5.87 IMSLLNASEE292 pKa = 4.64 GDD294 pKa = 3.56 FSLDD298 pKa = 3.31 LLGPVDD304 pKa = 4.16 GSNSQFPAASDD315 pKa = 3.86 FDD317 pKa = 4.03 QKK319 pKa = 11.66 DD320 pKa = 3.38 EE321 pKa = 4.72 AKK323 pKa = 9.97 AQYY326 pKa = 9.62 GASSSGSRR334 pKa = 11.84 EE335 pKa = 3.72 NLYY338 pKa = 9.71 PDD340 pKa = 4.64 SMVTDD345 pKa = 4.67 LPMDD349 pKa = 4.64 DD350 pKa = 4.46 NVGKK354 pKa = 10.83 RR355 pKa = 11.84 FGKK358 pKa = 8.89 FANMLGSYY366 pKa = 7.88 PAPPAMASEE375 pKa = 4.84 FPPTTGKK382 pKa = 10.59 SIAALSGPSQIRR394 pKa = 11.84 VTAGIVQLGDD404 pKa = 3.2 HH405 pKa = 6.59 SFTGNSDD412 pKa = 2.93 NWPLQKK418 pKa = 10.88 NGVFNLLLSFTVEE431 pKa = 4.5 SNVSTKK437 pKa = 10.88 LIGFDD442 pKa = 4.87 DD443 pKa = 4.69 EE444 pKa = 4.57 PATTRR449 pKa = 11.84 VSTVPTVLRR458 pKa = 11.84 GGLYY462 pKa = 10.61 LFFVSAMILMLSFKK476 pKa = 10.49 VGSCIYY482 pKa = 10.71 SRR484 pKa = 3.98
Molecular weight: 52.3 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.683
IPC2_protein 3.732
IPC_protein 3.77
Toseland 3.541
ProMoST 3.923
Dawson 3.757
Bjellqvist 3.91
Wikipedia 3.694
Rodwell 3.592
Grimsley 3.439
Solomon 3.757
Lehninger 3.706
Nozaki 3.872
DTASelect 4.126
Thurlkill 3.592
EMBOSS 3.706
Sillero 3.884
Patrickios 1.38
IPC_peptide 3.745
IPC2_peptide 3.859
IPC2.peptide.svr19 3.787
Protein with the highest isoelectric point:
>tr|A0A287JF95|A0A287JF95_HORVV Isoform of A0A287JEV7 Mediator of RNA polymerase II transcription subunit 13 OS=Hordeum vulgare subsp. vulgare OX=112509 PE=3 SV=1
PP1 pKa = 7.93 PIPTPQRR8 pKa = 11.84 HH9 pKa = 5.15 RR10 pKa = 11.84 PPWLSLTPASTPRR23 pKa = 11.84 APPLSAPPPPPLAPPRR39 pKa = 11.84 VPRR42 pKa = 11.84 RR43 pKa = 11.84 RR44 pKa = 11.84 RR45 pKa = 11.84 RR46 pKa = 11.84 PPSPPPPSPALTSPPRR62 pKa = 11.84 APRR65 pKa = 11.84 PVAPRR70 pKa = 11.84 PSAPPWAPRR79 pKa = 11.84 HH80 pKa = 5.45 PRR82 pKa = 11.84 ISSGPPPAA90 pKa = 5.69
Molecular weight: 9.62 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.526
IPC2_protein 11.33
IPC_protein 12.954
Toseland 13.115
ProMoST 13.612
Dawson 13.115
Bjellqvist 13.115
Wikipedia 13.598
Rodwell 12.618
Grimsley 13.159
Solomon 13.612
Lehninger 13.51
Nozaki 13.115
DTASelect 13.115
Thurlkill 13.115
EMBOSS 13.612
Sillero 13.115
Patrickios 12.34
IPC_peptide 13.612
IPC2_peptide 12.603
IPC2.peptide.svr19 9.277
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
35965
153834
189799
68226991
29
5383
359.5
39.64
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
8.23 ± 0.007
1.932 ± 0.003
5.36 ± 0.004
6.006 ± 0.007
3.787 ± 0.004
6.943 ± 0.006
2.554 ± 0.003
4.71 ± 0.005
5.188 ± 0.005
9.711 ± 0.007
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.44 ± 0.003
3.683 ± 0.004
5.366 ± 0.006
3.68 ± 0.004
6.04 ± 0.006
8.483 ± 0.006
4.896 ± 0.003
6.687 ± 0.004
1.262 ± 0.002
2.682 ± 0.003
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