Equus caballus (Horse)
Average proteome isoelectric point is 6.78
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 44491 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|A0A3Q2LMH3|A0A3Q2LMH3_HORSE Prostaglandin F synthase 1-like OS=Equus caballus OX=9796 GN=LOC111771772 PE=3 SV=1
II1 pKa = 6.74 GTSQNVSTKK10 pKa = 11.02 DD11 pKa = 3.34 PVTSPEE17 pKa = 3.83 NSEE20 pKa = 3.88 TRR22 pKa = 11.84 EE23 pKa = 4.01 NYY25 pKa = 7.56 PTDD28 pKa = 3.82 DD29 pKa = 3.59 VEE31 pKa = 4.43 TTEE34 pKa = 4.06 DD35 pKa = 4.04 HH36 pKa = 6.96 IIEE39 pKa = 4.23 ALGTNEE45 pKa = 5.68 DD46 pKa = 4.49 YY47 pKa = 8.18 TTEE50 pKa = 3.99 PLEE53 pKa = 4.05 TLEE56 pKa = 5.84 DD57 pKa = 3.98 YY58 pKa = 7.59 TTADD62 pKa = 4.33 LGPTEE67 pKa = 6.0 DD68 pKa = 5.59 NITDD72 pKa = 3.77 DD73 pKa = 4.13 LGTIEE78 pKa = 4.67 DD79 pKa = 4.51 HH80 pKa = 7.16 VIEE83 pKa = 4.86 APGTTEE89 pKa = 5.69 DD90 pKa = 4.06 YY91 pKa = 8.14 TTEE94 pKa = 3.85 HH95 pKa = 7.13 LEE97 pKa = 3.78 TSEE100 pKa = 4.76 YY101 pKa = 9.88 YY102 pKa = 7.59 TTTDD106 pKa = 2.35 SGAYY110 pKa = 9.85 DD111 pKa = 4.62 DD112 pKa = 4.53 YY113 pKa = 10.32 TTVALGPEE121 pKa = 4.77 DD122 pKa = 4.15 YY123 pKa = 7.71 TTADD127 pKa = 3.56 LGTTKK132 pKa = 10.87 DD133 pKa = 3.49 SFAADD138 pKa = 3.63 LGTIEE143 pKa = 6.17 DD144 pKa = 5.36 YY145 pKa = 10.28 ITDD148 pKa = 3.94 DD149 pKa = 3.34 PRR151 pKa = 11.84 TTEE154 pKa = 4.89 DD155 pKa = 3.81 YY156 pKa = 7.79 TTVDD160 pKa = 3.44 LGTTEE165 pKa = 5.56 DD166 pKa = 4.93 SFTADD171 pKa = 3.05 PGTTKK176 pKa = 10.81 DD177 pKa = 3.54 YY178 pKa = 7.7 TTADD182 pKa = 3.57 LGPTEE187 pKa = 4.55 DD188 pKa = 4.55 HH189 pKa = 6.87 VIHH192 pKa = 6.77 GPGTIEE198 pKa = 5.74 DD199 pKa = 4.41 YY200 pKa = 8.56 TTEE203 pKa = 3.93 HH204 pKa = 7.05 LEE206 pKa = 4.15 TPEE209 pKa = 5.91 DD210 pKa = 4.29 YY211 pKa = 8.69 DD212 pKa = 3.9 TSDD215 pKa = 3.48 LGTTEE220 pKa = 5.1 HH221 pKa = 6.32 YY222 pKa = 7.56 TTVDD226 pKa = 2.85 LGTTKK231 pKa = 10.45 DD232 pKa = 4.07 YY233 pKa = 8.54 PTDD236 pKa = 3.8 DD237 pKa = 3.79 PGITKK242 pKa = 10.17 DD243 pKa = 4.27 YY244 pKa = 9.91 ITVDD248 pKa = 3.14 PGTTEE253 pKa = 4.74 DD254 pKa = 5.42 SFTADD259 pKa = 3.24 LGTTEE264 pKa = 5.89 DD265 pKa = 3.9 YY266 pKa = 10.42 TISDD270 pKa = 4.14 LGIPADD276 pKa = 3.97 SLIVDD281 pKa = 4.79 LGTTKK286 pKa = 10.85 YY287 pKa = 9.11 YY288 pKa = 8.22 TTDD291 pKa = 3.21 DD292 pKa = 3.75 PGITKK297 pKa = 9.91 EE298 pKa = 4.25 YY299 pKa = 9.05 ITVEE303 pKa = 4.11 PGTTEE308 pKa = 4.58 DD309 pKa = 5.29 SFTADD314 pKa = 3.24 LGTTEE319 pKa = 6.1 DD320 pKa = 4.33 YY321 pKa = 7.67 TTSDD325 pKa = 3.84 LGTTTDD331 pKa = 3.31 SFIVDD336 pKa = 4.19 LVTTKK341 pKa = 10.76 DD342 pKa = 3.6 YY343 pKa = 8.03 TTDD346 pKa = 3.42 DD347 pKa = 3.67 PGITKK352 pKa = 10.1 DD353 pKa = 3.89 YY354 pKa = 10.84 ISVEE358 pKa = 3.95 PGTTKK363 pKa = 10.97 DD364 pKa = 3.52 SFTADD369 pKa = 3.23 LEE371 pKa = 4.53 TTEE374 pKa = 4.76 DD375 pKa = 3.06 HH376 pKa = 6.79 TIADD380 pKa = 4.05 RR381 pKa = 11.84 GTTKK385 pKa = 10.92 DD386 pKa = 4.12 SFTTDD391 pKa = 2.6 PGTTVDD397 pKa = 5.57 SFTADD402 pKa = 2.95 LGTTEE407 pKa = 5.88 DD408 pKa = 4.21 YY409 pKa = 7.68 TTADD413 pKa = 3.65 LRR415 pKa = 11.84 ITTDD419 pKa = 2.76 SFTADD424 pKa = 2.98 LRR426 pKa = 11.84 TTKK429 pKa = 10.51 GYY431 pKa = 7.08 TTDD434 pKa = 3.97 DD435 pKa = 3.67 PEE437 pKa = 4.02 ITKK440 pKa = 10.59 GYY442 pKa = 8.18 ITVDD446 pKa = 3.0 PGTTEE451 pKa = 4.74 DD452 pKa = 5.42 SFTADD457 pKa = 3.21 LGTTKK462 pKa = 10.93 DD463 pKa = 3.25 HH464 pKa = 5.83 TTADD468 pKa = 3.65 LRR470 pKa = 11.84 TTVYY474 pKa = 10.85 SCTADD479 pKa = 3.24 LGTTKK484 pKa = 10.55 DD485 pKa = 3.65 YY486 pKa = 7.7 TTADD490 pKa = 3.49 PGTTEE495 pKa = 5.71 DD496 pKa = 4.26 YY497 pKa = 7.59 TTKK500 pKa = 10.55 HH501 pKa = 6.26 LNTHH505 pKa = 5.61 SEE507 pKa = 4.26 GTDD510 pKa = 2.84 SVTAVKK516 pKa = 8.77 PTGLLTPIGIILISLAATTAIVALFVGLGLIVVSIWPRR554 pKa = 11.84 NVKK557 pKa = 10.17 EE558 pKa = 3.79 IMGMKK563 pKa = 10.17 DD564 pKa = 3.12 SEE566 pKa = 4.45 EE567 pKa = 4.22 EE568 pKa = 3.91 EE569 pKa = 4.86 GMGSS573 pKa = 3.24
Molecular weight: 61.87 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.709
IPC2_protein 3.592
IPC_protein 3.643
Toseland 3.401
ProMoST 3.808
Dawson 3.643
Bjellqvist 3.795
Wikipedia 3.579
Rodwell 3.465
Grimsley 3.312
Solomon 3.63
Lehninger 3.592
Nozaki 3.745
DTASelect 4.012
Thurlkill 3.465
EMBOSS 3.579
Sillero 3.757
Patrickios 0.973
IPC_peptide 3.63
IPC2_peptide 3.745
IPC2.peptide.svr19 3.714
Protein with the highest isoelectric point:
>tr|A0A5F5PPA3|A0A5F5PPA3_HORSE Immunity related GTPase Q OS=Equus caballus OX=9796 GN=IRGQ PE=3 SV=1
MM1 pKa = 7.1 RR2 pKa = 11.84 AKK4 pKa = 9.12 WRR6 pKa = 11.84 KK7 pKa = 9.1 KK8 pKa = 9.32 RR9 pKa = 11.84 MRR11 pKa = 11.84 RR12 pKa = 11.84 LKK14 pKa = 10.08 RR15 pKa = 11.84 KK16 pKa = 8.21 RR17 pKa = 11.84 RR18 pKa = 11.84 KK19 pKa = 8.46 MRR21 pKa = 11.84 QRR23 pKa = 11.84 SKK25 pKa = 11.41
Molecular weight: 3.46 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.517
IPC2_protein 11.213
IPC_protein 12.793
Toseland 12.969
ProMoST 13.451
Dawson 12.969
Bjellqvist 12.954
Wikipedia 13.437
Rodwell 12.705
Grimsley 12.998
Solomon 13.451
Lehninger 13.364
Nozaki 12.969
DTASelect 12.954
Thurlkill 12.969
EMBOSS 13.466
Sillero 12.969
Patrickios 12.427
IPC_peptide 13.466
IPC2_peptide 12.442
IPC2.peptide.svr19 9.142
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
20865
23626
44491
29288982
11
34311
658.3
73.32
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.05 ± 0.011
2.179 ± 0.01
4.804 ± 0.008
7.183 ± 0.017
3.565 ± 0.007
6.511 ± 0.014
2.542 ± 0.005
4.406 ± 0.011
5.834 ± 0.016
9.93 ± 0.018
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.114 ± 0.005
3.62 ± 0.008
6.313 ± 0.017
4.761 ± 0.013
5.763 ± 0.009
8.403 ± 0.015
5.276 ± 0.01
5.96 ± 0.013
1.206 ± 0.004
2.576 ± 0.006
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