Portunus trituberculatus (Swimming crab) (Neptunus trituberculatus)
Average proteome isoelectric point is 7.67
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 99420 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|A0A5B7K3V9|A0A5B7K3V9_PORTR Uncharacterized protein OS=Portunus trituberculatus OX=210409 GN=E2C01_097197 PE=4 SV=1
MM1 pKa = 7.83 SDD3 pKa = 3.37 NKK5 pKa = 10.14 TSPHH9 pKa = 6.32 RR10 pKa = 11.84 GGTVVMVKK18 pKa = 10.53 NYY20 pKa = 9.65 LAQSAMNVDD29 pKa = 3.86 TSTADD34 pKa = 2.94 QSYY37 pKa = 9.35 LHH39 pKa = 6.31 EE40 pKa = 4.38 QSCLTNTDD48 pKa = 3.36 LTDD51 pKa = 3.68 IDD53 pKa = 4.21 LTDD56 pKa = 3.55 VDD58 pKa = 4.4 VLASNVANMLYY69 pKa = 9.61 EE70 pKa = 4.39 CSEE73 pKa = 4.08 ASQVPVAVANLVSGGNRR90 pKa = 11.84 WDD92 pKa = 4.21 RR93 pKa = 11.84 LLSDD97 pKa = 4.52 PDD99 pKa = 3.52 DD100 pKa = 3.7 TRR102 pKa = 11.84 VWKK105 pKa = 10.37 AIPSDD110 pKa = 3.76 EE111 pKa = 4.17 FKK113 pKa = 10.91 SYY115 pKa = 11.74 YY116 pKa = 9.08 EE117 pKa = 4.24 TFCNPGIDD125 pKa = 5.15 DD126 pKa = 4.94 DD127 pKa = 5.18 FNYY130 pKa = 10.85 SNDD133 pKa = 3.51 SPYY136 pKa = 10.93 VPILDD141 pKa = 4.32 DD142 pKa = 4.35 VITVDD147 pKa = 4.18 EE148 pKa = 4.93 LSSTSDD154 pKa = 3.63 SEE156 pKa = 4.82 NEE158 pKa = 3.98 TT159 pKa = 3.74
Molecular weight: 17.54 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.686
IPC2_protein 3.706
IPC_protein 3.719
Toseland 3.49
ProMoST 3.91
Dawson 3.732
Bjellqvist 3.884
Wikipedia 3.694
Rodwell 3.554
Grimsley 3.401
Solomon 3.719
Lehninger 3.681
Nozaki 3.846
DTASelect 4.126
Thurlkill 3.567
EMBOSS 3.706
Sillero 3.846
Patrickios 1.036
IPC_peptide 3.719
IPC2_peptide 3.821
IPC2.peptide.svr19 3.753
Protein with the highest isoelectric point:
>tr|A0A5B7I464|A0A5B7I464_PORTR Uncharacterized protein OS=Portunus trituberculatus OX=210409 GN=E2C01_070071 PE=4 SV=1
MM1 pKa = 7.56 AAQISKK7 pKa = 10.41 HH8 pKa = 4.46 SARR11 pKa = 11.84 AIRR14 pKa = 11.84 FMARR18 pKa = 11.84 FTVRR22 pKa = 11.84 VLVGVTRR29 pKa = 11.84 PPHH32 pKa = 5.42 AAPRR36 pKa = 11.84 PRR38 pKa = 11.84 RR39 pKa = 11.84 PQSRR43 pKa = 11.84 AGRR46 pKa = 11.84 AAGRR50 pKa = 11.84 FWPARR55 pKa = 11.84 RR56 pKa = 11.84 GKK58 pKa = 9.27 QQ59 pKa = 3.0
Molecular weight: 6.65 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.527
IPC2_protein 11.316
IPC_protein 12.925
Toseland 13.086
ProMoST 13.583
Dawson 13.086
Bjellqvist 13.086
Wikipedia 13.554
Rodwell 12.647
Grimsley 13.115
Solomon 13.583
Lehninger 13.481
Nozaki 13.086
DTASelect 13.086
Thurlkill 13.086
EMBOSS 13.583
Sillero 13.086
Patrickios 12.369
IPC_peptide 13.583
IPC2_peptide 12.574
IPC2.peptide.svr19 9.248
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
99293
127
99420
13516514
8
5097
136.0
15.08
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.991 ± 0.012
2.538 ± 0.009
3.98 ± 0.01
5.747 ± 0.016
3.074 ± 0.008
6.81 ± 0.015
3.513 ± 0.008
3.736 ± 0.008
4.567 ± 0.013
9.175 ± 0.016
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.459 ± 0.005
3.215 ± 0.008
6.954 ± 0.016
3.988 ± 0.01
7.181 ± 0.012
9.084 ± 0.017
6.693 ± 0.013
6.636 ± 0.013
1.365 ± 0.004
2.288 ± 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