Sulfolobus spindle-shaped virus 4
Average proteome isoelectric point is 7.46
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 34 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|A8TKK9|A8TKK9_9VIRU Uncharacterized protein OS=Sulfolobus spindle-shaped virus 4 OX=459290 PE=4 SV=1
MM1 pKa = 7.6 RR2 pKa = 11.84 KK3 pKa = 9.01 EE4 pKa = 3.92 LLSLTFLALLLIPTLGILPSAQTSPNTWVIAFYY37 pKa = 10.29 PGSYY41 pKa = 10.05 PSGTSPSNFTSFTVNFTIPPFLQTSNGYY69 pKa = 10.32 LGFVLTATVPATEE82 pKa = 4.55 YY83 pKa = 10.54 IGGLYY88 pKa = 10.35 SGTVDD93 pKa = 2.85 IALQIGLIFVTQTNTYY109 pKa = 10.34 VLTAQVWTPYY119 pKa = 8.52 GTQIYY124 pKa = 9.78 GYY126 pKa = 10.33 AEE128 pKa = 4.56 TIYY131 pKa = 11.07 LPANTEE137 pKa = 4.03 AVISLIYY144 pKa = 10.53 NYY146 pKa = 11.1 ANGHH150 pKa = 4.51 VAIGLLQGGVTVYY163 pKa = 10.82 NVYY166 pKa = 10.35 FPTLYY171 pKa = 10.51 SHH173 pKa = 6.72 NNCVYY178 pKa = 10.66 NVTNNGGFSEE188 pKa = 4.6 PSGQNPSFAIEE199 pKa = 4.03 GTYY202 pKa = 9.77 TGSPPFNDD210 pKa = 3.9 TGWDD214 pKa = 3.81 GMWFDD219 pKa = 4.96 GAPISDD225 pKa = 3.49 INAMTGYY232 pKa = 10.6 SSATGVGGTASIPPYY247 pKa = 9.29 YY248 pKa = 10.41 AEE250 pKa = 4.34 SGLTLFHH257 pKa = 6.8 NVLFNYY263 pKa = 8.85 WYY265 pKa = 10.82 NPYY268 pKa = 10.61 AWYY271 pKa = 9.73 FSIGTPQDD279 pKa = 3.57 YY280 pKa = 10.19 SAHH283 pKa = 5.7 GLHH286 pKa = 6.76 YY287 pKa = 10.41 IQLSEE292 pKa = 3.9 GKK294 pKa = 9.74 EE295 pKa = 3.86 YY296 pKa = 9.94 NTINGLNYY304 pKa = 9.99 ALQWVPPP311 pKa = 4.15
Molecular weight: 33.92 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.316
IPC2_protein 4.368
IPC_protein 4.24
Toseland 4.101
ProMoST 4.368
Dawson 4.202
Bjellqvist 4.355
Wikipedia 4.088
Rodwell 4.088
Grimsley 4.012
Solomon 4.19
Lehninger 4.151
Nozaki 4.329
DTASelect 4.457
Thurlkill 4.113
EMBOSS 4.101
Sillero 4.368
Patrickios 0.006
IPC_peptide 4.202
IPC2_peptide 4.355
IPC2.peptide.svr19 4.293
Protein with the highest isoelectric point:
>tr|A8TKG6|A8TKG6_9VIRU Uncharacterized protein OS=Sulfolobus spindle-shaped virus 4 OX=459290 PE=4 SV=1
MM1 pKa = 7.65 RR2 pKa = 11.84 WMSNGLTSPKK12 pKa = 10.01 NIRR15 pKa = 11.84 RR16 pKa = 11.84 NSPRR20 pKa = 11.84 FRR22 pKa = 11.84 YY23 pKa = 9.7 NYY25 pKa = 10.19 YY26 pKa = 10.78 DD27 pKa = 3.83 YY28 pKa = 10.73 LTSLQKK34 pKa = 10.92 AKK36 pKa = 10.6 AQSRR40 pKa = 11.84 EE41 pKa = 4.01 INIKK45 pKa = 8.66 SQIHH49 pKa = 4.76 RR50 pKa = 11.84 VVYY53 pKa = 9.76 RR54 pKa = 11.84 HH55 pKa = 5.69 FVSSRR60 pKa = 11.84 LNRR63 pKa = 11.84 KK64 pKa = 7.66 SLCFLCVFSEE74 pKa = 4.24 LLHH77 pKa = 6.63 GSVPP81 pKa = 3.59
Molecular weight: 9.7 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.318
IPC2_protein 10.116
IPC_protein 10.979
Toseland 10.862
ProMoST 10.701
Dawson 10.979
Bjellqvist 10.76
Wikipedia 11.242
Rodwell 11.125
Grimsley 11.038
Solomon 11.125
Lehninger 11.082
Nozaki 10.847
DTASelect 10.745
Thurlkill 10.877
EMBOSS 11.272
Sillero 10.906
Patrickios 10.862
IPC_peptide 11.125
IPC2_peptide 9.94
IPC2.peptide.svr19 8.042
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
34
0
34
5005
45
808
147.2
16.81
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
4.775 ± 0.355
0.719 ± 0.252
3.057 ± 0.455
5.914 ± 1.07
4.555 ± 0.317
5.694 ± 0.682
1.279 ± 0.295
8.092 ± 0.434
7.353 ± 1.012
11.508 ± 0.643
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.178 ± 0.269
5.315 ± 0.456
3.916 ± 0.527
3.217 ± 0.379
3.836 ± 0.742
7.373 ± 0.693
6.593 ± 0.699
7.293 ± 0.497
1.479 ± 0.225
5.854 ± 0.501
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