Spirochaetia bacterium
Average proteome isoelectric point is 6.75
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 325 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|A0A4Q2X9L9|A0A4Q2X9L9_9SPIR GMC_OxRdtase_N domain-containing protein (Fragment) OS=Spirochaetia bacterium OX=2053615 GN=EOP69_01735 PE=3 SV=1
MM1 pKa = 7.47 TKK3 pKa = 10.45 FLGLGAAAIAGLALAGCSVTGGDD26 pKa = 5.05 LIRR29 pKa = 11.84 PGEE32 pKa = 4.05 PTATLIIDD40 pKa = 3.92 NATGGYY46 pKa = 9.71 LDD48 pKa = 4.49 AVVISDD54 pKa = 4.82 CDD56 pKa = 3.31 NFTYY60 pKa = 10.53 GFNRR64 pKa = 11.84 LSDD67 pKa = 3.96 GDD69 pKa = 4.56 SIPPGGQRR77 pKa = 11.84 QFTLSAGCWDD87 pKa = 3.5 VGGGEE92 pKa = 4.19 FAGGEE97 pKa = 4.01 AYY99 pKa = 9.97 EE100 pKa = 4.58 RR101 pKa = 11.84 MVLTPGMVMTYY112 pKa = 10.37 SITDD116 pKa = 3.2
Molecular weight: 11.86 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.748
IPC2_protein 3.897
IPC_protein 3.834
Toseland 3.617
ProMoST 3.923
Dawson 3.834
Bjellqvist 4.062
Wikipedia 3.808
Rodwell 3.656
Grimsley 3.528
Solomon 3.808
Lehninger 3.77
Nozaki 3.961
DTASelect 4.202
Thurlkill 3.694
EMBOSS 3.808
Sillero 3.948
Patrickios 0.769
IPC_peptide 3.808
IPC2_peptide 3.923
IPC2.peptide.svr19 3.902
Protein with the highest isoelectric point:
>tr|A0A4Q2XCF2|A0A4Q2XCF2_9SPIR S9 family peptidase (Fragment) OS=Spirochaetia bacterium OX=2053615 GN=EOP69_01235 PE=4 SV=1
MM1 pKa = 6.8 VRR3 pKa = 11.84 RR4 pKa = 11.84 RR5 pKa = 11.84 LSQTFTPSATMKK17 pKa = 9.7 IQRR20 pKa = 11.84 LAMCVASVLMSGALGLTGCATRR42 pKa = 11.84 TTADD46 pKa = 2.97 TWPTRR51 pKa = 11.84 VVAADD56 pKa = 3.21 QLRR59 pKa = 11.84 PMEE62 pKa = 4.38 RR63 pKa = 11.84 LRR65 pKa = 11.84 LSMPRR70 pKa = 11.84 RR71 pKa = 11.84 NLSDD75 pKa = 3.35 PMPNGTVVLRR85 pKa = 11.84 VHH87 pKa = 6.61 VDD89 pKa = 2.88 EE90 pKa = 5.67 HH91 pKa = 6.83 GVVRR95 pKa = 11.84 KK96 pKa = 7.65 TALVDD101 pKa = 3.52 SSGNAVLDD109 pKa = 3.96 AAAQRR114 pKa = 11.84 ALVNAKK120 pKa = 9.06 FVPYY124 pKa = 10.06 RR125 pKa = 11.84 EE126 pKa = 4.39 AGEE129 pKa = 4.39 TVAVTTLMPVSVKK142 pKa = 10.64 ASSQCQGLRR151 pKa = 11.84 PLDD154 pKa = 3.76 CC155 pKa = 5.3
Molecular weight: 16.75 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.348
IPC2_protein 9.355
IPC_protein 10.101
Toseland 10.643
ProMoST 10.365
Dawson 10.701
Bjellqvist 10.452
Wikipedia 10.921
Rodwell 10.774
Grimsley 10.73
Solomon 10.877
Lehninger 10.847
Nozaki 10.672
DTASelect 10.423
Thurlkill 10.628
EMBOSS 11.052
Sillero 10.657
Patrickios 10.57
IPC_peptide 10.891
IPC2_peptide 9.867
IPC2.peptide.svr19 8.595
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
325
0
325
69931
26
1229
215.2
23.46
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
11.195 ± 0.175
0.881 ± 0.042
5.643 ± 0.122
5.075 ± 0.152
3.709 ± 0.083
8.028 ± 0.138
2.018 ± 0.071
5.666 ± 0.118
3.472 ± 0.126
10.141 ± 0.179
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.614 ± 0.083
2.964 ± 0.097
4.952 ± 0.104
3.246 ± 0.071
6.701 ± 0.173
6.391 ± 0.118
5.859 ± 0.112
7.59 ± 0.121
1.403 ± 0.068
2.452 ± 0.081
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