Photobacterium profundum (strain SS9)
Average proteome isoelectric point is 6.29
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 5328 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|Q6LTP6|Q6LTP6_PHOPR Putative polar flagellar protein FlaK OS=Photobacterium profundum (strain SS9) OX=298386 GN=PSPTO195 PE=4 SV=1
MM1 pKa = 7.15 LTASLVGCADD11 pKa = 3.46 TPEE14 pKa = 4.19 NQEE17 pKa = 4.23 KK18 pKa = 8.53 EE19 pKa = 4.59 TVPTNVAEE27 pKa = 4.24 QINAEE32 pKa = 4.13 EE33 pKa = 4.3 FEE35 pKa = 4.71 SVNDD39 pKa = 3.55 VYY41 pKa = 11.68 DD42 pKa = 3.89 PLEE45 pKa = 4.16 GFNRR49 pKa = 11.84 VMWDD53 pKa = 3.28 LNYY56 pKa = 10.98 DD57 pKa = 3.65 YY58 pKa = 10.95 LDD60 pKa = 4.58 PYY62 pKa = 10.23 LARR65 pKa = 11.84 PISLAYY71 pKa = 10.11 VDD73 pKa = 4.12 YY74 pKa = 10.21 TPNPVRR80 pKa = 11.84 LGIANFFANLDD91 pKa = 3.81 EE92 pKa = 4.67 PASMVNSLIMQNPEE106 pKa = 3.39 DD107 pKa = 4.02 AVAHH111 pKa = 6.5 FNRR114 pKa = 11.84 FWINTVFGIAGLIDD128 pKa = 3.29 IASAADD134 pKa = 3.62 IPPPSNRR141 pKa = 11.84 AFGDD145 pKa = 3.38 SLGYY149 pKa = 10.42 YY150 pKa = 10.16 GVGNGPYY157 pKa = 10.43 FMVPFYY163 pKa = 11.43 GPVTLRR169 pKa = 11.84 EE170 pKa = 4.32 GVGDD174 pKa = 3.95 AADD177 pKa = 3.91 GLYY180 pKa = 10.87 LPLSLLTFWQSLGKK194 pKa = 9.01 WAFEE198 pKa = 3.91 GMEE201 pKa = 4.21 DD202 pKa = 3.66 RR203 pKa = 11.84 AALVKK208 pKa = 10.53 QEE210 pKa = 4.68 ALLEE214 pKa = 4.53 DD215 pKa = 4.01 SPDD218 pKa = 3.48 PYY220 pKa = 11.5 VFTRR224 pKa = 11.84 DD225 pKa = 4.02 AYY227 pKa = 9.35 IQHH230 pKa = 6.53 KK231 pKa = 9.07 NFRR234 pKa = 11.84 ATGGEE239 pKa = 4.21 TPVDD243 pKa = 3.54 EE244 pKa = 5.2 PEE246 pKa = 4.56 NEE248 pKa = 4.15 EE249 pKa = 4.59 QLDD252 pKa = 4.14 DD253 pKa = 4.11 YY254 pKa = 11.49 LDD256 pKa = 4.79 EE257 pKa = 6.45 IDD259 pKa = 5.85 DD260 pKa = 4.03 YY261 pKa = 12.23
Molecular weight: 29.15 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.718
IPC2_protein 3.795
IPC_protein 3.795
Toseland 3.592
ProMoST 3.948
Dawson 3.783
Bjellqvist 3.935
Wikipedia 3.694
Rodwell 3.617
Grimsley 3.49
Solomon 3.77
Lehninger 3.732
Nozaki 3.884
DTASelect 4.101
Thurlkill 3.63
EMBOSS 3.706
Sillero 3.91
Patrickios 0.896
IPC_peptide 3.77
IPC2_peptide 3.897
IPC2.peptide.svr19 3.815
Protein with the highest isoelectric point:
>tr|Q6LHR5|Q6LHR5_PHOPR Uncharacterized protein OS=Photobacterium profundum (strain SS9) OX=298386 GN=PBPRB1294 PE=4 SV=1
MM1 pKa = 7.67 GNQSIKK7 pKa = 9.78 TLNASNTHH15 pKa = 6.7 PIVLIRR21 pKa = 11.84 GLLRR25 pKa = 11.84 EE26 pKa = 3.93 QRR28 pKa = 11.84 HH29 pKa = 5.36 WGDD32 pKa = 3.97 FLNQLITQFPKK43 pKa = 10.59 RR44 pKa = 11.84 QIICIDD50 pKa = 3.32 LAGNGKK56 pKa = 7.8 RR57 pKa = 11.84 HH58 pKa = 6.35 KK59 pKa = 10.4 LQSPKK64 pKa = 10.48 NIPAMVQDD72 pKa = 6.05 LRR74 pKa = 11.84 IQLCLKK80 pKa = 9.17 LTTDD84 pKa = 3.74 TPVDD88 pKa = 5.0 LIALSMGGMIAISWMTLFPTEE109 pKa = 3.79 IRR111 pKa = 11.84 SAILMNTSVRR121 pKa = 11.84 PLSPFYY127 pKa = 10.82 QRR129 pKa = 11.84 LNWRR133 pKa = 11.84 HH134 pKa = 4.16 TT135 pKa = 3.48
Molecular weight: 15.43 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.333
IPC2_protein 9.589
IPC_protein 10.233
Toseland 10.877
ProMoST 10.54
Dawson 10.921
Bjellqvist 10.613
Wikipedia 11.125
Rodwell 11.169
Grimsley 10.95
Solomon 11.082
Lehninger 11.052
Nozaki 10.862
DTASelect 10.613
Thurlkill 10.847
EMBOSS 11.272
Sillero 10.862
Patrickios 10.935
IPC_peptide 11.096
IPC2_peptide 9.692
IPC2.peptide.svr19 8.732
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
5328
0
5328
1694257
35
4684
318.0
35.37
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
8.403 ± 0.037
1.142 ± 0.012
5.529 ± 0.033
5.956 ± 0.03
4.104 ± 0.023
6.691 ± 0.032
2.263 ± 0.017
6.731 ± 0.027
5.405 ± 0.028
10.277 ± 0.046
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.762 ± 0.016
4.5 ± 0.025
3.835 ± 0.02
4.447 ± 0.03
4.5 ± 0.029
6.655 ± 0.031
5.634 ± 0.031
6.832 ± 0.031
1.267 ± 0.013
3.067 ± 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