Staphylococcus phage P954
Average proteome isoelectric point is 6.3
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 69 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|C8CGZ9|C8CGZ9_9CAUD Uncharacterized protein OS=Staphylococcus phage P954 OX=668618 PE=4 SV=1
MM1 pKa = 6.89 QQQAYY6 pKa = 9.38 INATIDD12 pKa = 2.95 IRR14 pKa = 11.84 IPTEE18 pKa = 3.62 VEE20 pKa = 3.88 YY21 pKa = 11.25 KK22 pKa = 10.83 HH23 pKa = 6.73 FDD25 pKa = 3.59 DD26 pKa = 4.36 VDD28 pKa = 3.71 KK29 pKa = 11.35 EE30 pKa = 4.28 KK31 pKa = 10.38 EE32 pKa = 4.13 TLADD36 pKa = 3.51 YY37 pKa = 10.84 LYY39 pKa = 10.96 NNPNEE44 pKa = 3.8 ILEE47 pKa = 3.94 YY48 pKa = 11.1 DD49 pKa = 3.47 NLKK52 pKa = 9.69 IRR54 pKa = 11.84 NVNVEE59 pKa = 3.93 VEE61 pKa = 4.1
Molecular weight: 7.32 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.281
IPC2_protein 4.317
IPC_protein 4.19
Toseland 4.012
ProMoST 4.24
Dawson 4.139
Bjellqvist 4.368
Wikipedia 4.037
Rodwell 4.024
Grimsley 3.935
Solomon 4.126
Lehninger 4.088
Nozaki 4.266
DTASelect 4.406
Thurlkill 4.05
EMBOSS 4.05
Sillero 4.291
Patrickios 3.389
IPC_peptide 4.139
IPC2_peptide 4.279
IPC2.peptide.svr19 4.225
Protein with the highest isoelectric point:
>tr|C8CH37|C8CH37_9CAUD Holin OS=Staphylococcus phage P954 OX=668618 PE=4 SV=1
MM1 pKa = 7.2 VALLKK6 pKa = 10.65 SLEE9 pKa = 3.97 RR10 pKa = 11.84 RR11 pKa = 11.84 RR12 pKa = 11.84 LMITISTMLQFGLFLIALIGLVIKK36 pKa = 10.76 LIEE39 pKa = 4.3 LSNKK43 pKa = 9.19 KK44 pKa = 10.07
Molecular weight: 5.03 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.251
IPC2_protein 9.823
IPC_protein 10.57
Toseland 11.301
ProMoST 11.286
Dawson 11.33
Bjellqvist 11.067
Wikipedia 11.579
Rodwell 11.623
Grimsley 11.345
Solomon 11.579
Lehninger 11.535
Nozaki 11.272
DTASelect 11.067
Thurlkill 11.272
EMBOSS 11.725
Sillero 11.272
Patrickios 11.418
IPC_peptide 11.579
IPC2_peptide 9.926
IPC2.peptide.svr19 8.892
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
69
0
69
12583
18
1509
182.4
20.99
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.499 ± 0.471
0.532 ± 0.112
6.493 ± 0.336
8.217 ± 0.532
4.347 ± 0.324
5.754 ± 0.606
1.51 ± 0.132
7.772 ± 0.274
9.592 ± 0.355
8.162 ± 0.313
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.543 ± 0.182
6.453 ± 0.271
2.583 ± 0.176
3.648 ± 0.201
4.45 ± 0.246
5.563 ± 0.276
5.428 ± 0.248
5.809 ± 0.238
1.176 ± 0.151
4.466 ± 0.352
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