Circular genetic element sp.
Average proteome isoelectric point is 7.52
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 1 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|A0A385E3D0|A0A385E3D0_9VIRU ATP-dependent helicase Rep OS=Circular genetic element sp. OX=2202954 PE=3 SV=1
MM1 pKa = 6.76 QQQEE5 pKa = 4.5 TTRR8 pKa = 11.84 SRR10 pKa = 11.84 NWCFTWNNPSEE21 pKa = 4.43 SDD23 pKa = 3.71 LVHH26 pKa = 6.43 LRR28 pKa = 11.84 NILKK32 pKa = 10.13 HH33 pKa = 6.1 KK34 pKa = 8.57 RR35 pKa = 11.84 VKK37 pKa = 10.06 YY38 pKa = 9.64 GVYY41 pKa = 10.32 GMEE44 pKa = 4.09 VSPTTGTPHH53 pKa = 5.93 AQGYY57 pKa = 7.11 VQFSQPQTFKK67 pKa = 11.27 AMKK70 pKa = 9.65 KK71 pKa = 9.68 ALPPAHH77 pKa = 6.94 IEE79 pKa = 4.05 AAKK82 pKa = 8.66 GTPKK86 pKa = 10.31 QNQEE90 pKa = 4.03 YY91 pKa = 7.9 CTKK94 pKa = 10.87 DD95 pKa = 3.04 GDD97 pKa = 4.17 SEE99 pKa = 4.65 EE100 pKa = 5.16 FGTPPKK106 pKa = 10.66 GAGSRR111 pKa = 11.84 SDD113 pKa = 5.29 LEE115 pKa = 4.26 ACVDD119 pKa = 5.01 LIKK122 pKa = 10.9 AGASMQTIAEE132 pKa = 4.21 EE133 pKa = 4.91 CPCQVVKK140 pKa = 10.63 FGRR143 pKa = 11.84 GLRR146 pKa = 11.84 DD147 pKa = 3.63 LKK149 pKa = 11.24 LLLAKK154 pKa = 10.07 PYY156 pKa = 8.31 THH158 pKa = 7.07 HH159 pKa = 7.56 DD160 pKa = 3.73 VRR162 pKa = 11.84 GTWIWGPPGTGKK174 pKa = 9.9 SHH176 pKa = 6.01 TARR179 pKa = 11.84 IQFPDD184 pKa = 4.13 AFIKK188 pKa = 9.75 PQNKK192 pKa = 7.96 WWDD195 pKa = 3.63 GYY197 pKa = 11.49 ANEE200 pKa = 4.81 DD201 pKa = 3.93 TVILDD206 pKa = 4.73 DD207 pKa = 6.59 LDD209 pKa = 4.05 TQTLGHH215 pKa = 6.06 YY216 pKa = 10.3 LKK218 pKa = 10.28 IWTDD222 pKa = 3.26 KK223 pKa = 10.97 YY224 pKa = 10.7 ATTGEE229 pKa = 4.54 TKK231 pKa = 10.63 GGTINLQYY239 pKa = 10.71 KK240 pKa = 9.89 RR241 pKa = 11.84 FIITSNYY248 pKa = 8.69 TPHH251 pKa = 6.51 QLWPDD256 pKa = 3.89 DD257 pKa = 4.04 PVMCAAIKK265 pKa = 9.74 RR266 pKa = 11.84 RR267 pKa = 11.84 CVMFHH272 pKa = 6.47 KK273 pKa = 10.03 ATRR276 pKa = 11.84 EE277 pKa = 3.88 NEE279 pKa = 4.2 HH280 pKa = 7.58 VIEE283 pKa = 4.26
Molecular weight: 32.11 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 7.521
IPC2_protein 7.819
IPC_protein 7.702
Toseland 7.468
ProMoST 8.214
Dawson 8.434
Bjellqvist 8.712
Wikipedia 8.361
Rodwell 8.463
Grimsley 7.497
Solomon 8.536
Lehninger 8.551
Nozaki 8.931
DTASelect 8.478
Thurlkill 8.551
EMBOSS 8.639
Sillero 8.858
Patrickios 4.418
IPC_peptide 8.536
IPC2_peptide 7.614
IPC2.peptide.svr19 7.769
Protein with the highest isoelectric point:
>tr|A0A385E3D0|A0A385E3D0_9VIRU ATP-dependent helicase Rep OS=Circular genetic element sp. OX=2202954 PE=3 SV=1
MM1 pKa = 6.76 QQQEE5 pKa = 4.5 TTRR8 pKa = 11.84 SRR10 pKa = 11.84 NWCFTWNNPSEE21 pKa = 4.43 SDD23 pKa = 3.71 LVHH26 pKa = 6.43 LRR28 pKa = 11.84 NILKK32 pKa = 10.13 HH33 pKa = 6.1 KK34 pKa = 8.57 RR35 pKa = 11.84 VKK37 pKa = 10.06 YY38 pKa = 9.64 GVYY41 pKa = 10.32 GMEE44 pKa = 4.09 VSPTTGTPHH53 pKa = 5.93 AQGYY57 pKa = 7.11 VQFSQPQTFKK67 pKa = 11.27 AMKK70 pKa = 9.65 KK71 pKa = 9.68 ALPPAHH77 pKa = 6.94 IEE79 pKa = 4.05 AAKK82 pKa = 8.66 GTPKK86 pKa = 10.31 QNQEE90 pKa = 4.03 YY91 pKa = 7.9 CTKK94 pKa = 10.87 DD95 pKa = 3.04 GDD97 pKa = 4.17 SEE99 pKa = 4.65 EE100 pKa = 5.16 FGTPPKK106 pKa = 10.66 GAGSRR111 pKa = 11.84 SDD113 pKa = 5.29 LEE115 pKa = 4.26 ACVDD119 pKa = 5.01 LIKK122 pKa = 10.9 AGASMQTIAEE132 pKa = 4.21 EE133 pKa = 4.91 CPCQVVKK140 pKa = 10.63 FGRR143 pKa = 11.84 GLRR146 pKa = 11.84 DD147 pKa = 3.63 LKK149 pKa = 11.24 LLLAKK154 pKa = 10.07 PYY156 pKa = 8.31 THH158 pKa = 7.07 HH159 pKa = 7.56 DD160 pKa = 3.73 VRR162 pKa = 11.84 GTWIWGPPGTGKK174 pKa = 9.9 SHH176 pKa = 6.01 TARR179 pKa = 11.84 IQFPDD184 pKa = 4.13 AFIKK188 pKa = 9.75 PQNKK192 pKa = 7.96 WWDD195 pKa = 3.63 GYY197 pKa = 11.49 ANEE200 pKa = 4.81 DD201 pKa = 3.93 TVILDD206 pKa = 4.73 DD207 pKa = 6.59 LDD209 pKa = 4.05 TQTLGHH215 pKa = 6.06 YY216 pKa = 10.3 LKK218 pKa = 10.28 IWTDD222 pKa = 3.26 KK223 pKa = 10.97 YY224 pKa = 10.7 ATTGEE229 pKa = 4.54 TKK231 pKa = 10.63 GGTINLQYY239 pKa = 10.71 KK240 pKa = 9.89 RR241 pKa = 11.84 FIITSNYY248 pKa = 8.69 TPHH251 pKa = 6.51 QLWPDD256 pKa = 3.89 DD257 pKa = 4.04 PVMCAAIKK265 pKa = 9.74 RR266 pKa = 11.84 RR267 pKa = 11.84 CVMFHH272 pKa = 6.47 KK273 pKa = 10.03 ATRR276 pKa = 11.84 EE277 pKa = 3.88 NEE279 pKa = 4.2 HH280 pKa = 7.58 VIEE283 pKa = 4.26
Molecular weight: 32.11 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 7.521
IPC2_protein 7.819
IPC_protein 7.702
Toseland 7.468
ProMoST 8.214
Dawson 8.434
Bjellqvist 8.712
Wikipedia 8.361
Rodwell 8.463
Grimsley 7.497
Solomon 8.536
Lehninger 8.551
Nozaki 8.931
DTASelect 8.478
Thurlkill 8.551
EMBOSS 8.639
Sillero 8.858
Patrickios 4.418
IPC_peptide 8.536
IPC2_peptide 7.614
IPC2.peptide.svr19 7.769
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
1
0
1
283
283
283
283.0
32.11
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.714 ± 0.0
2.473 ± 0.0
5.654 ± 0.0
5.3 ± 0.0
3.18 ± 0.0
7.42 ± 0.0
3.887 ± 0.0
4.947 ± 0.0
8.127 ± 0.0
6.007 ± 0.0
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.12 ± 0.0
3.534 ± 0.0
6.36 ± 0.0
5.654 ± 0.0
4.594 ± 0.0
3.887 ± 0.0
9.187 ± 0.0
4.594 ± 0.0
2.827 ± 0.0
3.534 ± 0.0
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