Spiroplasma eriocheiris
Average proteome isoelectric point is 6.94
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 1180 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|A0A0H3XHB2|A0A0H3XHB2_9MOLU Dihydrofolate reductase OS=Spiroplasma eriocheiris OX=315358 GN=dfrA PE=3 SV=1
MM1 pKa = 7.54 KK2 pKa = 10.44 NLLTIMSSLTLITTPIISQVGNIQNATPQEE32 pKa = 4.31 LLTPGVDD39 pKa = 3.03 NNYY42 pKa = 10.47 QIDD45 pKa = 4.2 ANWDD49 pKa = 3.43 FSSAIPSNNEE59 pKa = 3.7 TITINAYY66 pKa = 10.13 VDD68 pKa = 3.39 WSQWDD73 pKa = 3.54 PAKK76 pKa = 10.3 PQQTLATITTKK87 pKa = 9.87 IDD89 pKa = 3.17 KK90 pKa = 9.53 TLLQDD95 pKa = 5.45 DD96 pKa = 4.29 NTLGNLMNYY105 pKa = 9.3 LNNYY109 pKa = 8.89 YY110 pKa = 8.56 PTITAGIKK118 pKa = 10.37 APFKK122 pKa = 10.55 INPEE126 pKa = 3.75 VTQYY130 pKa = 11.33 GRR132 pKa = 11.84 VLEE135 pKa = 6.38 GIYY138 pKa = 10.41 DD139 pKa = 3.81 WNKK142 pKa = 10.33 SVQDD146 pKa = 3.97 YY147 pKa = 8.35 LTGWKK152 pKa = 9.68 EE153 pKa = 4.55 SYY155 pKa = 9.5 WSLNSPTNPFCAEE168 pKa = 3.91 QPNNYY173 pKa = 6.86 CTRR176 pKa = 11.84 GIDD179 pKa = 4.54 GLEE182 pKa = 3.95 LQQNDD187 pKa = 3.59 TFDD190 pKa = 3.91 LYY192 pKa = 10.54 FVRR195 pKa = 11.84 LVV197 pKa = 3.15
Molecular weight: 22.38 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.932
IPC2_protein 4.215
IPC_protein 4.151
Toseland 3.948
ProMoST 4.304
Dawson 4.139
Bjellqvist 4.291
Wikipedia 4.075
Rodwell 3.986
Grimsley 3.859
Solomon 4.126
Lehninger 4.088
Nozaki 4.253
DTASelect 4.495
Thurlkill 3.999
EMBOSS 4.075
Sillero 4.279
Patrickios 1.074
IPC_peptide 4.126
IPC2_peptide 4.253
IPC2.peptide.svr19 4.151
Protein with the highest isoelectric point:
>tr|A0A0H3XME8|A0A0H3XME8_9MOLU Uncharacterized protein OS=Spiroplasma eriocheiris OX=315358 GN=SERIO_v1c05120 PE=4 SV=1
MM1 pKa = 7.32 KK2 pKa = 9.47 RR3 pKa = 11.84 TWQPSKK9 pKa = 10.14 IKK11 pKa = 10.33 HH12 pKa = 5.53 KK13 pKa = 9.07 RR14 pKa = 11.84 THH16 pKa = 5.84 GFRR19 pKa = 11.84 ARR21 pKa = 11.84 MQSEE25 pKa = 4.25 SGRR28 pKa = 11.84 KK29 pKa = 8.22 VLSRR33 pKa = 11.84 RR34 pKa = 11.84 RR35 pKa = 11.84 AKK37 pKa = 9.99 GRR39 pKa = 11.84 KK40 pKa = 8.67 VLSAA44 pKa = 4.05
Molecular weight: 5.23 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.381
IPC2_protein 10.818
IPC_protein 12.384
Toseland 12.559
ProMoST 13.042
Dawson 12.559
Bjellqvist 12.544
Wikipedia 13.027
Rodwell 12.34
Grimsley 12.603
Solomon 13.056
Lehninger 12.954
Nozaki 12.559
DTASelect 12.544
Thurlkill 12.559
EMBOSS 13.056
Sillero 12.559
Patrickios 12.076
IPC_peptide 13.056
IPC2_peptide 12.032
IPC2.peptide.svr19 9.048
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
1180
0
1180
390732
33
1766
331.1
37.75
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.794 ± 0.062
0.745 ± 0.02
5.215 ± 0.055
5.67 ± 0.098
5.037 ± 0.062
5.111 ± 0.067
1.826 ± 0.029
9.605 ± 0.072
8.329 ± 0.078
10.175 ± 0.08
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.12 ± 0.029
7.461 ± 0.076
3.21 ± 0.042
4.04 ± 0.042
2.819 ± 0.044
5.668 ± 0.042
5.777 ± 0.054
5.903 ± 0.052
1.159 ± 0.031
4.338 ± 0.044
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