Human immunodeficiency virus type 1 group M subtype B (strain 89.6) (HIV-1)
Average proteome isoelectric point is 7.82
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 10 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:
>sp|Q73370-2|TAT-2_HV1B9 Isoform of Q73370 Isoform Short of Protein Tat OS=Human immunodeficiency virus type 1 group M subtype B (strain 89.6) OX=401671 GN=tat PE=4 SV=1
MM1 pKa = 7.74 LSLQILAIVALVVAAIIAIVVWSIVFIEE29 pKa = 3.94 YY30 pKa = 10.41 RR31 pKa = 11.84 KK32 pKa = 9.66 ILRR35 pKa = 11.84 QRR37 pKa = 11.84 KK38 pKa = 8.02 IDD40 pKa = 3.69 RR41 pKa = 11.84 LIDD44 pKa = 4.31 RR45 pKa = 11.84 IRR47 pKa = 11.84 EE48 pKa = 3.99 RR49 pKa = 11.84 EE50 pKa = 3.78 EE51 pKa = 4.6 DD52 pKa = 3.51 SGNEE56 pKa = 3.94 SEE58 pKa = 5.46 GDD60 pKa = 3.79 QEE62 pKa = 4.05 EE63 pKa = 4.39 LAALEE68 pKa = 4.57 RR69 pKa = 11.84 GHH71 pKa = 7.06 LAPWDD76 pKa = 3.77 VDD78 pKa = 3.88 DD79 pKa = 5.48 LL80 pKa = 4.6
Molecular weight: 9.2 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.791
IPC2_protein 4.685
IPC_protein 4.546
Toseland 4.393
ProMoST 4.647
Dawson 4.482
Bjellqvist 4.635
Wikipedia 4.355
Rodwell 4.38
Grimsley 4.304
Solomon 4.482
Lehninger 4.431
Nozaki 4.596
DTASelect 4.749
Thurlkill 4.393
EMBOSS 4.38
Sillero 4.66
Patrickios 4.355
IPC_peptide 4.495
IPC2_peptide 4.647
IPC2.peptide.svr19 4.629
Protein with the highest isoelectric point:
>sp|Q89842|NEF_HV1B9 Protein Nef OS=Human immunodeficiency virus type 1 group M subtype B (strain 89.6) OX=401671 GN=nef PE=3 SV=3
MM1 pKa = 7.3 EE2 pKa = 5.21 NRR4 pKa = 11.84 WQVMIVWQVDD14 pKa = 3.04 RR15 pKa = 11.84 MRR17 pKa = 11.84 IRR19 pKa = 11.84 TWKK22 pKa = 10.59 SLVKK26 pKa = 9.59 HH27 pKa = 6.07 HH28 pKa = 6.5 MYY30 pKa = 10.55 ISGKK34 pKa = 9.99 AKK36 pKa = 8.19 GWSYY40 pKa = 9.29 RR41 pKa = 11.84 HH42 pKa = 6.44 HH43 pKa = 6.86 YY44 pKa = 10.29 EE45 pKa = 3.75 STNPRR50 pKa = 11.84 ISSEE54 pKa = 3.9 VHH56 pKa = 5.92 IPLGDD61 pKa = 3.56 AKK63 pKa = 10.91 LVVTTYY69 pKa = 9.85 WGLHH73 pKa = 4.29 TGEE76 pKa = 4.83 RR77 pKa = 11.84 DD78 pKa = 2.76 WHH80 pKa = 6.32 LGQGVSIEE88 pKa = 4.03 WRR90 pKa = 11.84 KK91 pKa = 10.19 KK92 pKa = 9.67 RR93 pKa = 11.84 YY94 pKa = 7.56 STQVDD99 pKa = 3.34 PGLADD104 pKa = 3.92 RR105 pKa = 11.84 LIHH108 pKa = 7.11 LYY110 pKa = 10.95 YY111 pKa = 10.3 FDD113 pKa = 5.21 CFSDD117 pKa = 3.48 SAIRR121 pKa = 11.84 KK122 pKa = 9.29 SILGHH127 pKa = 5.81 IVSPSCEE134 pKa = 3.9 YY135 pKa = 10.44 QAGHH139 pKa = 6.2 NKK141 pKa = 9.66 VGSLQYY147 pKa = 10.68 LALAALTTPRR157 pKa = 11.84 RR158 pKa = 11.84 IKK160 pKa = 10.62 PPFPSVTKK168 pKa = 9.6 LTEE171 pKa = 4.23 DD172 pKa = 3.49 RR173 pKa = 11.84 WNKK176 pKa = 7.33 PQKK179 pKa = 9.13 TKK181 pKa = 8.84 GHH183 pKa = 6.54 RR184 pKa = 11.84 GSHH187 pKa = 4.99 TMTGHH192 pKa = 6.71
Molecular weight: 22.35 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.204
IPC2_protein 9.472
IPC_protein 9.575
Toseland 10.072
ProMoST 9.78
Dawson 10.292
Bjellqvist 9.97
Wikipedia 10.467
Rodwell 10.672
Grimsley 10.365
Solomon 10.306
Lehninger 10.277
Nozaki 10.072
DTASelect 9.955
Thurlkill 10.131
EMBOSS 10.482
Sillero 10.204
Patrickios 10.248
IPC_peptide 10.306
IPC2_peptide 8.668
IPC2.peptide.svr19 8.453
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
9
1
10
3647
71
1435
364.7
41.33
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.224 ± 0.473
2.002 ± 0.437
4.003 ± 0.407
6.965 ± 0.515
2.577 ± 0.153
7.239 ± 0.228
2.194 ± 0.481
6.307 ± 0.507
7.102 ± 1.05
8.226 ± 0.58
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.111 ± 0.203
4.661 ± 0.859
5.292 ± 0.567
5.895 ± 0.499
6.252 ± 1.02
5.539 ± 0.454
6.005 ± 0.466
6.197 ± 0.425
2.66 ± 0.222
2.55 ± 0.191
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