Streptococcus phage SpGS-1
Average proteome isoelectric point is 6.35
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 53 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|A0A1C9LX51|A0A1C9LX51_9CAUD Uncharacterized protein OS=Streptococcus phage SpGS-1 OX=1897555 PE=4 SV=1
MM1 pKa = 7.62 TEE3 pKa = 4.23 TIKK6 pKa = 11.18 LPDD9 pKa = 3.79 YY10 pKa = 11.12 YY11 pKa = 11.1 EE12 pKa = 4.8 PDD14 pKa = 3.33 WKK16 pKa = 10.42 NARR19 pKa = 11.84 YY20 pKa = 9.81 GSLEE24 pKa = 3.85 EE25 pKa = 4.48 LKK27 pKa = 10.89 EE28 pKa = 3.74 LLLFKK33 pKa = 10.71 RR34 pKa = 11.84 IVKK37 pKa = 8.85 WDD39 pKa = 3.45 KK40 pKa = 11.44 DD41 pKa = 3.71 FLLLEE46 pKa = 5.42 DD47 pKa = 3.96 GTKK50 pKa = 8.98 VTIEE54 pKa = 4.02 MSEE57 pKa = 4.16 SDD59 pKa = 4.01 CCASAGGEE67 pKa = 4.1 FQDD70 pKa = 3.79 VSLDD74 pKa = 3.64 AVITNIEE81 pKa = 3.73 IGEE84 pKa = 4.13 PEE86 pKa = 5.23 EE87 pKa = 5.91 IPDD90 pKa = 3.42 HH91 pKa = 6.55 WGTGYY96 pKa = 10.68 KK97 pKa = 10.37 NKK99 pKa = 8.63 VTIFHH104 pKa = 6.23 NQNPVAIANCEE115 pKa = 4.04 AEE117 pKa = 4.32 HH118 pKa = 6.09 NGYY121 pKa = 10.13 YY122 pKa = 10.54 YY123 pKa = 10.28 SVCSLVIGDD132 pKa = 3.1 IHH134 pKa = 6.93 FPVVNAA140 pKa = 4.65
Molecular weight: 15.86 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.264
IPC2_protein 4.469
IPC_protein 4.38
Toseland 4.228
ProMoST 4.482
Dawson 4.329
Bjellqvist 4.469
Wikipedia 4.19
Rodwell 4.215
Grimsley 4.139
Solomon 4.317
Lehninger 4.279
Nozaki 4.431
DTASelect 4.571
Thurlkill 4.228
EMBOSS 4.215
Sillero 4.495
Patrickios 2.816
IPC_peptide 4.329
IPC2_peptide 4.482
IPC2.peptide.svr19 4.411
Protein with the highest isoelectric point:
>tr|A0A1C9LX70|A0A1C9LX70_9CAUD Tail-length tape measure protein OS=Streptococcus phage SpGS-1 OX=1897555 PE=4 SV=1
MM1 pKa = 7.54 SIAIKK6 pKa = 10.64 VDD8 pKa = 3.5 LQKK11 pKa = 11.21 AKK13 pKa = 10.59 QKK15 pKa = 10.71 LSNEE19 pKa = 3.7 SMTRR23 pKa = 11.84 GKK25 pKa = 10.05 IAVASKK31 pKa = 10.45 ILLDD35 pKa = 3.62 NEE37 pKa = 4.16 QYY39 pKa = 10.4 IPLRR43 pKa = 11.84 GGEE46 pKa = 4.01 LRR48 pKa = 11.84 ASGRR52 pKa = 11.84 IVGQGDD58 pKa = 3.52 AVVYY62 pKa = 7.1 GTVYY66 pKa = 10.93 ARR68 pKa = 11.84 AQFYY72 pKa = 9.69 GANGIVTFRR81 pKa = 11.84 RR82 pKa = 11.84 YY83 pKa = 5.87 TTPGTGKK90 pKa = 10.24 RR91 pKa = 11.84 WDD93 pKa = 3.44 QVATSKK99 pKa = 10.7 HH100 pKa = 5.05 AEE102 pKa = 3.36 EE103 pKa = 4.01 WARR106 pKa = 11.84 AFVKK110 pKa = 10.83 GMGLL114 pKa = 3.32
Molecular weight: 12.52 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.209
IPC2_protein 9.589
IPC_protein 9.809
Toseland 10.292
ProMoST 9.94
Dawson 10.452
Bjellqvist 10.116
Wikipedia 10.628
Rodwell 10.906
Grimsley 10.526
Solomon 10.496
Lehninger 10.467
Nozaki 10.248
DTASelect 10.116
Thurlkill 10.321
EMBOSS 10.687
Sillero 10.365
Patrickios 10.628
IPC_peptide 10.496
IPC2_peptide 8.682
IPC2.peptide.svr19 8.686
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
53
0
53
11840
53
1152
223.4
25.24
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.909 ± 0.555
0.498 ± 0.075
6.47 ± 0.292
7.323 ± 0.475
4.231 ± 0.264
6.715 ± 0.363
1.512 ± 0.191
6.909 ± 0.328
8.361 ± 0.359
7.568 ± 0.297
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.28 ± 0.184
5.938 ± 0.286
2.694 ± 0.182
4.299 ± 0.28
4.24 ± 0.224
6.149 ± 0.436
6.503 ± 0.38
6.242 ± 0.21
1.25 ± 0.135
3.91 ± 0.317
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