Pelagibaculum spongiae
Average proteome isoelectric point is 6.46
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 4189 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|A0A2V1GZJ2|A0A2V1GZJ2_9GAMM DUF3307 domain-containing protein OS=Pelagibaculum spongiae OX=2080658 GN=DC094_03845 PE=4 SV=1
MM1 pKa = 7.6 KK2 pKa = 10.23 KK3 pKa = 10.75 GSFLKK8 pKa = 10.48 RR9 pKa = 11.84 SAVVAFSVLLMAGCGGSGVTDD30 pKa = 3.56 TTSGGGTDD38 pKa = 3.62 GGTDD42 pKa = 3.5 GGTVTPPTTQPFATTCVGTGSSATLGFVNFDD73 pKa = 3.54 GASSLEE79 pKa = 4.03 LAQKK83 pKa = 10.7 GSQSDD88 pKa = 3.64 NRR90 pKa = 11.84 PQSSTVVFSACSEE103 pKa = 4.39 DD104 pKa = 3.58 GTPVAGLTVSFSLSTSSGGIAISQASATTDD134 pKa = 3.21 ANGQASTTITSGTTATAFILAASVQQSSITEE165 pKa = 3.99 TKK167 pKa = 10.33 NQVFTIGGSVPDD179 pKa = 4.38 ANSFSLSQAATNVDD193 pKa = 3.49 GYY195 pKa = 10.96 EE196 pKa = 4.02 FDD198 pKa = 4.01 GATAGINIRR207 pKa = 11.84 LADD210 pKa = 3.75 HH211 pKa = 6.54 VNNPVQDD218 pKa = 3.83 GTPVSFITNGGAIQSSCPTALAGGTASCSVTWEE251 pKa = 4.17 SQDD254 pKa = 3.61 PQPCYY259 pKa = 10.55 YY260 pKa = 10.53 EE261 pKa = 4.22 QVTLSAAQTGLTGIDD276 pKa = 3.05 INEE279 pKa = 4.0 AVAVCGRR286 pKa = 11.84 AAVLAWTEE294 pKa = 4.29 GEE296 pKa = 4.27 EE297 pKa = 4.92 SFNDD301 pKa = 3.46 PNQNGVYY308 pKa = 10.21 DD309 pKa = 3.9 AGEE312 pKa = 4.06 TVIGVNNQPGGDD324 pKa = 3.62 LAEE327 pKa = 5.4 PYY329 pKa = 10.89 LDD331 pKa = 3.69 VNFNGQYY338 pKa = 10.64 DD339 pKa = 3.49 IAEE342 pKa = 4.38 AFVDD346 pKa = 3.91 ANGNSAFDD354 pKa = 3.86 PSEE357 pKa = 4.06 TYY359 pKa = 10.21 TDD361 pKa = 3.66 SNNNGVYY368 pKa = 10.48 DD369 pKa = 3.83 SAEE372 pKa = 4.47 PIVDD376 pKa = 3.47 RR377 pKa = 11.84 DD378 pKa = 3.44 GDD380 pKa = 3.94 GTRR383 pKa = 11.84 TAGDD387 pKa = 3.17 AKK389 pKa = 10.32 YY390 pKa = 9.07 TGLRR394 pKa = 11.84 CEE396 pKa = 4.39 EE397 pKa = 4.36 TNASCTRR404 pKa = 11.84 GTLFLYY410 pKa = 9.76 DD411 pKa = 3.23 QRR413 pKa = 11.84 TVVMSGRR420 pKa = 11.84 TINARR425 pKa = 11.84 ILPASARR432 pKa = 11.84 PIIQAAVARR441 pKa = 11.84 SSYY444 pKa = 10.54 AQTIAILDD452 pKa = 3.88 KK453 pKa = 10.89 LVAEE457 pKa = 4.65 ATPYY461 pKa = 10.35 TYY463 pKa = 11.15 GDD465 pKa = 3.99 EE466 pKa = 4.26 LTLLVQDD473 pKa = 4.14 QNGNPLAAGTTIAIAAEE490 pKa = 4.3 DD491 pKa = 3.68 VDD493 pKa = 5.24 MIPAAPSATLGQTATLEE510 pKa = 4.34 NGQSWLNFTLVQPDD524 pKa = 4.15 GGSGTPPEE532 pKa = 4.69 EE533 pKa = 4.06 GTLTVTITVSRR544 pKa = 11.84 ADD546 pKa = 3.62 SGVSTLAITYY556 pKa = 9.34 VVEE559 pKa = 4.36 DD560 pKa = 3.58
Molecular weight: 57.11 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.693
IPC2_protein 3.808
IPC_protein 3.834
Toseland 3.605
ProMoST 3.961
Dawson 3.821
Bjellqvist 3.986
Wikipedia 3.745
Rodwell 3.656
Grimsley 3.516
Solomon 3.808
Lehninger 3.77
Nozaki 3.923
DTASelect 4.164
Thurlkill 3.656
EMBOSS 3.757
Sillero 3.948
Patrickios 1.329
IPC_peptide 3.808
IPC2_peptide 3.923
IPC2.peptide.svr19 3.843
Protein with the highest isoelectric point:
>tr|A0A2V1GS63|A0A2V1GS63_9GAMM Endonuclease OS=Pelagibaculum spongiae OX=2080658 GN=DC094_17660 PE=3 SV=1
MM1 pKa = 7.45 KK2 pKa = 9.61 RR3 pKa = 11.84 TFQPSNLKK11 pKa = 10.08 RR12 pKa = 11.84 ARR14 pKa = 11.84 THH16 pKa = 5.92 GFRR19 pKa = 11.84 ARR21 pKa = 11.84 MATKK25 pKa = 10.38 GGRR28 pKa = 11.84 LVLKK32 pKa = 10.27 RR33 pKa = 11.84 RR34 pKa = 11.84 RR35 pKa = 11.84 AKK37 pKa = 10.42 GRR39 pKa = 11.84 ARR41 pKa = 11.84 LAAA44 pKa = 4.44
Molecular weight: 5.08 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.523
IPC2_protein 11.242
IPC_protein 12.837
Toseland 13.013
ProMoST 13.495
Dawson 13.013
Bjellqvist 12.998
Wikipedia 13.481
Rodwell 12.676
Grimsley 13.042
Solomon 13.495
Lehninger 13.408
Nozaki 13.013
DTASelect 12.998
Thurlkill 13.013
EMBOSS 13.51
Sillero 13.013
Patrickios 12.398
IPC_peptide 13.51
IPC2_peptide 12.486
IPC2.peptide.svr19 9.177
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
4189
0
4189
1371512
26
6845
327.4
36.42
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
8.604 ± 0.043
1.165 ± 0.015
5.605 ± 0.039
5.842 ± 0.043
4.067 ± 0.023
6.694 ± 0.035
2.099 ± 0.018
6.307 ± 0.028
5.387 ± 0.04
10.802 ± 0.06
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.461 ± 0.023
4.299 ± 0.037
4.141 ± 0.023
5.51 ± 0.057
4.773 ± 0.034
7.074 ± 0.034
4.821 ± 0.028
6.206 ± 0.035
1.34 ± 0.015
2.804 ± 0.021
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