Maribius salinus
Average proteome isoelectric point is 6.04
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 3413 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|A0A1M6AW90|A0A1M6AW90_9RHOB Phosphate transport system permease protein PstA OS=Maribius salinus OX=313368 GN=SAMN04488012_101277 PE=3 SV=1
MM1 pKa = 7.49 RR2 pKa = 11.84 HH3 pKa = 6.09 ILLASAATMALGSGMAAAQEE23 pKa = 4.2 LVFPVGEE30 pKa = 4.82 GAFSWDD36 pKa = 3.34 SYY38 pKa = 11.81 EE39 pKa = 4.85 EE40 pKa = 3.76 FAANNDD46 pKa = 3.73 YY47 pKa = 11.13 SGEE50 pKa = 4.24 TIDD53 pKa = 5.87 IAGPWTGADD62 pKa = 3.4 AEE64 pKa = 4.63 LMNSVAAYY72 pKa = 9.27 FAEE75 pKa = 4.37 ATGATVNYY83 pKa = 9.53 SGSDD87 pKa = 3.17 SFEE90 pKa = 3.74 QDD92 pKa = 2.53 IVISTEE98 pKa = 3.9 ANSAPNLAAFPQPGLVADD116 pKa = 4.6 LASRR120 pKa = 11.84 GSITPLDD127 pKa = 3.92 EE128 pKa = 3.96 EE129 pKa = 4.45 TASFIAEE136 pKa = 4.01 NYY138 pKa = 9.35 SAGEE142 pKa = 4.11 SWVDD146 pKa = 3.24 LATFEE151 pKa = 5.03 GPDD154 pKa = 4.01 GEE156 pKa = 4.52 SAMYY160 pKa = 10.18 AFPYY164 pKa = 10.04 KK165 pKa = 9.83 IDD167 pKa = 3.59 VKK169 pKa = 10.88 SLVWYY174 pKa = 10.32 SPEE177 pKa = 3.72 QFEE180 pKa = 4.29 EE181 pKa = 3.94 AGYY184 pKa = 9.41 EE185 pKa = 3.82 IPEE188 pKa = 4.27 TYY190 pKa = 10.47 EE191 pKa = 3.66 EE192 pKa = 4.37 LKK194 pKa = 11.01 EE195 pKa = 3.88 LTAQIAEE202 pKa = 4.54 DD203 pKa = 5.67 GVTPWCIGLGSGAATGWPATDD224 pKa = 3.1 WVEE227 pKa = 5.75 DD228 pKa = 3.29 IMLRR232 pKa = 11.84 TATPEE237 pKa = 3.91 QYY239 pKa = 11.2 DD240 pKa = 3.36 NWVTNDD246 pKa = 3.72 MPFDD250 pKa = 4.51 DD251 pKa = 4.86 PVVVAAIEE259 pKa = 4.28 EE260 pKa = 4.62 YY261 pKa = 9.86 GTFLQEE267 pKa = 4.36 GYY269 pKa = 11.18 VNGGRR274 pKa = 11.84 EE275 pKa = 3.93 AAATTDD281 pKa = 4.18 FRR283 pKa = 11.84 DD284 pKa = 3.76 SPSGLFQFPPEE295 pKa = 4.47 CYY297 pKa = 8.14 MHH299 pKa = 6.63 KK300 pKa = 10.01 QATFIPTFFPEE311 pKa = 4.4 GTVVGEE317 pKa = 4.55 DD318 pKa = 2.7 VDD320 pKa = 5.26 FFYY323 pKa = 11.09 FPAPEE328 pKa = 4.84 GGEE331 pKa = 4.26 TPVLGGGTMFAITEE345 pKa = 4.11 DD346 pKa = 3.91 SEE348 pKa = 4.45 TARR351 pKa = 11.84 GFIDD355 pKa = 4.16 FLKK358 pKa = 10.23 TPIAHH363 pKa = 6.97 EE364 pKa = 3.56 IWAAQGGLLSPLTSINPEE382 pKa = 3.99 VFPSDD387 pKa = 3.33 PARR390 pKa = 11.84 ATNDD394 pKa = 2.82 ILLNATTFRR403 pKa = 11.84 FDD405 pKa = 4.8 GSDD408 pKa = 3.54 LMPGEE413 pKa = 4.38 IGAGAFWTQMVEE425 pKa = 4.38 FTTGTQDD432 pKa = 3.95 AEE434 pKa = 4.3 ATATAIQEE442 pKa = 3.94 RR443 pKa = 11.84 WDD445 pKa = 3.54 NLKK448 pKa = 10.6 NN449 pKa = 3.5
Molecular weight: 48.43 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.726
IPC2_protein 3.668
IPC_protein 3.668
Toseland 3.465
ProMoST 3.808
Dawson 3.643
Bjellqvist 3.795
Wikipedia 3.528
Rodwell 3.49
Grimsley 3.376
Solomon 3.63
Lehninger 3.579
Nozaki 3.745
DTASelect 3.923
Thurlkill 3.503
EMBOSS 3.541
Sillero 3.783
Patrickios 1.24
IPC_peptide 3.63
IPC2_peptide 3.77
IPC2.peptide.svr19 3.711
Protein with the highest isoelectric point:
>tr|A0A1M6GTN6|A0A1M6GTN6_9RHOB TVP38/TMEM64 family membrane protein OS=Maribius salinus OX=313368 GN=SAMN04488012_10584 PE=3 SV=1
MM1 pKa = 7.45 KK2 pKa = 9.61 RR3 pKa = 11.84 TFQPSNLVRR12 pKa = 11.84 KK13 pKa = 8.83 HH14 pKa = 4.64 RR15 pKa = 11.84 HH16 pKa = 3.91 GFRR19 pKa = 11.84 ARR21 pKa = 11.84 MATKK25 pKa = 10.37 AGRR28 pKa = 11.84 KK29 pKa = 8.54 ILNARR34 pKa = 11.84 RR35 pKa = 11.84 AKK37 pKa = 10.02 GRR39 pKa = 11.84 KK40 pKa = 8.91 SLSAA44 pKa = 3.86
Molecular weight: 5.09 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.508
IPC2_protein 11.169
IPC_protein 12.749
Toseland 12.91
ProMoST 13.408
Dawson 12.91
Bjellqvist 12.91
Wikipedia 13.393
Rodwell 12.647
Grimsley 12.954
Solomon 13.408
Lehninger 13.305
Nozaki 12.91
DTASelect 12.91
Thurlkill 12.91
EMBOSS 13.408
Sillero 12.91
Patrickios 12.369
IPC_peptide 13.408
IPC2_peptide 12.398
IPC2.peptide.svr19 9.132
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
3413
0
3413
1074527
39
9857
314.8
33.98
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
12.856 ± 0.065
0.83 ± 0.018
6.868 ± 0.058
5.623 ± 0.04
3.575 ± 0.028
9.194 ± 0.071
1.969 ± 0.026
4.821 ± 0.033
2.574 ± 0.036
9.994 ± 0.052
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.678 ± 0.032
2.327 ± 0.025
5.248 ± 0.05
2.995 ± 0.025
7.161 ± 0.061
4.911 ± 0.04
5.532 ± 0.051
7.373 ± 0.04
1.415 ± 0.02
2.058 ± 0.025
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