Lachnospiraceae bacterium 3-1
Average proteome isoelectric point is 6.2
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 4984 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|R9IUF5|R9IUF5_9FIRM 23S rRNA (-C5)-methyltransferase OS=Lachnospiraceae bacterium 3-1 OX=397288 GN=C806_01682 PE=4 SV=1
MM1 pKa = 7.18 KK2 pKa = 10.27 RR3 pKa = 11.84 KK4 pKa = 9.27 IVSVLMASVMAAALLAGCGGNSNAPSNSDD33 pKa = 3.21 SAGNEE38 pKa = 3.86 EE39 pKa = 4.4 KK40 pKa = 10.76 SAGEE44 pKa = 4.01 KK45 pKa = 10.28 ADD47 pKa = 3.66 SKK49 pKa = 11.28 GGEE52 pKa = 4.34 TVSGDD57 pKa = 3.43 GQTLTIVYY65 pKa = 10.24 NDD67 pKa = 3.86 SNDD70 pKa = 3.57 NGDD73 pKa = 3.73 NSPVYY78 pKa = 10.04 QWINQTYY85 pKa = 8.88 EE86 pKa = 3.45 NWEE89 pKa = 4.04 KK90 pKa = 10.98 KK91 pKa = 10.61 DD92 pKa = 3.69 EE93 pKa = 4.3 VKK95 pKa = 10.94 LDD97 pKa = 3.43 IQALVATDD105 pKa = 3.26 SDD107 pKa = 5.12 YY108 pKa = 10.67 VTKK111 pKa = 10.49 IQTLVQDD118 pKa = 5.32 DD119 pKa = 4.45 STCPDD124 pKa = 4.15 LFLEE128 pKa = 5.41 DD129 pKa = 3.74 TFQLNTDD136 pKa = 3.35 VAAGYY141 pKa = 9.99 VADD144 pKa = 4.39 ITDD147 pKa = 4.51 KK148 pKa = 10.6 VAGWEE153 pKa = 4.13 DD154 pKa = 3.52 WNSAIIEE161 pKa = 4.17 ALKK164 pKa = 10.51 QATSGTDD171 pKa = 3.03 GNTYY175 pKa = 10.56 AVPISTDD182 pKa = 3.69 VRR184 pKa = 11.84 GLWYY188 pKa = 10.9 NKK190 pKa = 10.27 DD191 pKa = 3.32 VFEE194 pKa = 4.38 AAGLGRR200 pKa = 11.84 EE201 pKa = 4.21 WQPEE205 pKa = 3.91 SWQDD209 pKa = 3.76 ILDD212 pKa = 3.69 ACAAIKK218 pKa = 9.06 EE219 pKa = 4.26 KK220 pKa = 11.29 CEE222 pKa = 4.29 DD223 pKa = 3.77 DD224 pKa = 4.45 VVPIWFACNSGEE236 pKa = 5.04 AEE238 pKa = 4.06 ATSMNTFQMLLAGTGDD254 pKa = 4.11 SLCDD258 pKa = 3.84 DD259 pKa = 3.48 ATGVYY264 pKa = 9.9 NLSSDD269 pKa = 3.78 GVKK272 pKa = 10.66 DD273 pKa = 3.28 SLGFIKK279 pKa = 9.82 TCLDD283 pKa = 3.16 EE284 pKa = 6.2 GYY286 pKa = 10.41 LGTLSEE292 pKa = 4.7 ILDD295 pKa = 4.1 PSDD298 pKa = 3.13 YY299 pKa = 10.72 TYY301 pKa = 11.59 ANQYY305 pKa = 9.41 MSTAKK310 pKa = 10.6 LGMYY314 pKa = 10.72 LNGSWGYY321 pKa = 11.3 NDD323 pKa = 4.04 YY324 pKa = 11.0 LQDD327 pKa = 3.52 SGYY330 pKa = 10.04 PMQGYY335 pKa = 7.85 TDD337 pKa = 3.81 EE338 pKa = 4.52 TLSDD342 pKa = 3.71 ALGFAQMPTQEE353 pKa = 4.01 KK354 pKa = 9.61 GGYY357 pKa = 7.25 VTMSGGWSWAIANNSDD373 pKa = 3.69 QKK375 pKa = 11.4 DD376 pKa = 3.56 LSFEE380 pKa = 4.65 FITEE384 pKa = 4.13 LMKK387 pKa = 10.48 SDD389 pKa = 3.91 NYY391 pKa = 8.78 ITYY394 pKa = 9.97 IEE396 pKa = 4.43 GTGNLATRR404 pKa = 11.84 NDD406 pKa = 3.63 MMNFDD411 pKa = 4.85 AYY413 pKa = 10.54 SSRR416 pKa = 11.84 MYY418 pKa = 10.32 IDD420 pKa = 4.0 EE421 pKa = 4.3 ATAMSEE427 pKa = 3.94 NAFFRR432 pKa = 11.84 PHH434 pKa = 7.14 DD435 pKa = 3.87 EE436 pKa = 4.35 NYY438 pKa = 10.91 SKK440 pKa = 11.02 VSSYY444 pKa = 10.75 LYY446 pKa = 10.87 EE447 pKa = 4.11 MVDD450 pKa = 3.23 TVIRR454 pKa = 11.84 NNTDD458 pKa = 2.95 TEE460 pKa = 4.41 TALSDD465 pKa = 3.99 FKK467 pKa = 11.16 KK468 pKa = 10.78 GAATAIGEE476 pKa = 4.21 EE477 pKa = 4.67 LIQQ480 pKa = 4.7
Molecular weight: 52.55 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.707
IPC2_protein 3.859
IPC_protein 3.884
Toseland 3.668
ProMoST 4.037
Dawson 3.872
Bjellqvist 4.024
Wikipedia 3.795
Rodwell 3.706
Grimsley 3.567
Solomon 3.872
Lehninger 3.821
Nozaki 3.973
DTASelect 4.215
Thurlkill 3.706
EMBOSS 3.808
Sillero 3.999
Patrickios 1.443
IPC_peptide 3.872
IPC2_peptide 3.986
IPC2.peptide.svr19 3.897
Protein with the highest isoelectric point:
>tr|R9INK9|R9INK9_9FIRM Excisionase family DNA binding domain-containing protein OS=Lachnospiraceae bacterium 3-1 OX=397288 GN=C806_03001 PE=4 SV=1
MM1 pKa = 7.84 AGMVLRR7 pKa = 11.84 KK8 pKa = 8.44 TGVVLLTILKK18 pKa = 9.45 WILQAALVALKK29 pKa = 10.49 LVLGIAKK36 pKa = 10.15 LFLLLLSLVMRR47 pKa = 11.84 IVLTMIGVSVGRR59 pKa = 11.84 RR60 pKa = 3.23
Molecular weight: 6.53 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.356
IPC2_protein 10.774
IPC_protein 12.325
Toseland 12.501
ProMoST 12.998
Dawson 12.501
Bjellqvist 12.486
Wikipedia 12.969
Rodwell 12.34
Grimsley 12.544
Solomon 12.983
Lehninger 12.881
Nozaki 12.501
DTASelect 12.486
Thurlkill 12.501
EMBOSS 12.998
Sillero 12.501
Patrickios 12.106
IPC_peptide 12.983
IPC2_peptide 11.974
IPC2.peptide.svr19 9.04
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
4984
0
4984
1447276
20
3497
290.4
32.79
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.08 ± 0.038
1.506 ± 0.012
5.28 ± 0.029
8.256 ± 0.041
4.125 ± 0.025
6.923 ± 0.036
1.784 ± 0.017
7.249 ± 0.034
7.303 ± 0.033
8.815 ± 0.035
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
3.133 ± 0.018
4.475 ± 0.024
3.158 ± 0.024
3.725 ± 0.026
4.529 ± 0.028
5.849 ± 0.027
5.165 ± 0.029
6.471 ± 0.031
0.966 ± 0.013
4.207 ± 0.027
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