Neisseria meningitidis serogroup B (strain MC58)
Average proteome isoelectric point is 6.81
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 2001 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|Q9JYA5|Q9JYA5_NEIMB ABC_trans_aux domain-containing protein OS=Neisseria meningitidis serogroup B (strain MC58) OX=122586 GN=NMB1672 PE=4 SV=1
MM1 pKa = 7.85 EE2 pKa = 5.46 EE3 pKa = 4.46 LLNDD7 pKa = 3.92 GSIRR11 pKa = 11.84 LHH13 pKa = 7.42 DD14 pKa = 3.92 YY15 pKa = 10.33 TDD17 pKa = 4.87 GIGIPLTGTSKK28 pKa = 10.78 EE29 pKa = 4.03 QVQKK33 pKa = 11.21 LKK35 pKa = 10.78 DD36 pKa = 3.22 IWPTLEE42 pKa = 4.29 DD43 pKa = 4.03 AQAIWPEE50 pKa = 4.07 DD51 pKa = 2.93 PWYY54 pKa = 10.24 YY55 pKa = 11.09 LEE57 pKa = 4.14 WLWWDD62 pKa = 3.77 IACPIDD68 pKa = 5.64 LADD71 pKa = 5.09 LPNIDD76 pKa = 4.75 IYY78 pKa = 11.09 EE79 pKa = 4.13 QAA81 pKa = 3.96
Molecular weight: 9.49 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.751
IPC2_protein 3.745
IPC_protein 3.694
Toseland 3.49
ProMoST 3.872
Dawson 3.694
Bjellqvist 3.859
Wikipedia 3.643
Rodwell 3.528
Grimsley 3.401
Solomon 3.668
Lehninger 3.63
Nozaki 3.821
DTASelect 4.037
Thurlkill 3.567
EMBOSS 3.656
Sillero 3.821
Patrickios 1.863
IPC_peptide 3.668
IPC2_peptide 3.795
IPC2.peptide.svr19 3.743
Protein with the highest isoelectric point:
>sp|P95377|LPXD_NEIMB UDP-3-O-acylglucosamine N-acyltransferase OS=Neisseria meningitidis serogroup B (strain MC58) OX=122586 GN=lpxD PE=3 SV=2
MM1 pKa = 7.35 KK2 pKa = 9.36 RR3 pKa = 11.84 TYY5 pKa = 10.14 QPSVTKK11 pKa = 10.56 RR12 pKa = 11.84 KK13 pKa = 7.91 RR14 pKa = 11.84 THH16 pKa = 5.89 GFLVRR21 pKa = 11.84 SKK23 pKa = 9.38 TRR25 pKa = 11.84 GGRR28 pKa = 11.84 AVLAARR34 pKa = 11.84 RR35 pKa = 11.84 AKK37 pKa = 9.87 GRR39 pKa = 11.84 KK40 pKa = 8.75 RR41 pKa = 11.84 LAVV44 pKa = 3.41
Molecular weight: 5.05 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.413
IPC2_protein 11.096
IPC_protein 12.457
Toseland 12.618
ProMoST 13.1
Dawson 12.618
Bjellqvist 12.603
Wikipedia 13.086
Rodwell 12.34
Grimsley 12.661
Solomon 13.1
Lehninger 13.013
Nozaki 12.618
DTASelect 12.603
Thurlkill 12.618
EMBOSS 13.115
Sillero 12.618
Patrickios 12.076
IPC_peptide 13.115
IPC2_peptide 12.091
IPC2.peptide.svr19 9.034
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
2001
0
2001
583208
22
2703
291.5
32.19
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
10.142 ± 0.077
1.053 ± 0.021
5.267 ± 0.043
6.157 ± 0.066
4.104 ± 0.044
7.766 ± 0.062
2.204 ± 0.025
5.859 ± 0.039
5.64 ± 0.055
9.863 ± 0.07
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.456 ± 0.03
4.117 ± 0.059
4.184 ± 0.042
4.005 ± 0.046
5.481 ± 0.054
5.547 ± 0.043
5.226 ± 0.045
6.784 ± 0.051
1.177 ± 0.023
2.968 ± 0.034
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