Lachnospiraceae bacterium A4
Average proteome isoelectric point is 6.11
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 6440 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|R9JA65|R9JA65_9FIRM Uncharacterized protein (Fragment) OS=Lachnospiraceae bacterium A4 OX=397291 GN=C804_02945 PE=4 SV=1
MM1 pKa = 7.44 KK2 pKa = 10.38 LKK4 pKa = 10.68 RR5 pKa = 11.84 LMALGMAAVMTMSLTACGGSGDD27 pKa = 4.09 TPSTNSNTASNNNDD41 pKa = 2.96 SNAAADD47 pKa = 3.85 NDD49 pKa = 4.3 AAADD53 pKa = 3.94 DD54 pKa = 5.04 ANAADD59 pKa = 5.74 DD60 pKa = 4.81 SAADD64 pKa = 4.1 DD65 pKa = 4.75 ANAADD70 pKa = 4.68 DD71 pKa = 3.93 SAAEE75 pKa = 4.39 GGLTYY80 pKa = 10.98 GSITLGEE87 pKa = 5.02 DD88 pKa = 3.51 YY89 pKa = 11.04 TDD91 pKa = 3.44 LTASIKK97 pKa = 10.28 FIHH100 pKa = 6.62 HH101 pKa = 5.46 KK102 pKa = 8.62 TDD104 pKa = 3.48 RR105 pKa = 11.84 EE106 pKa = 4.12 QDD108 pKa = 3.12 GSMAKK113 pKa = 10.45 YY114 pKa = 10.04 IEE116 pKa = 4.86 AFNQEE121 pKa = 4.26 YY122 pKa = 10.3 PNITVEE128 pKa = 4.3 TEE130 pKa = 4.01 GITDD134 pKa = 3.73 YY135 pKa = 11.58 AQTALLRR142 pKa = 11.84 LPTGEE147 pKa = 3.76 AWGDD151 pKa = 3.33 VMFIPSIDD159 pKa = 3.56 MVQLADD165 pKa = 3.54 YY166 pKa = 7.29 FIPYY170 pKa = 8.26 GTVDD174 pKa = 3.32 EE175 pKa = 4.29 MSEE178 pKa = 4.19 YY179 pKa = 11.45 VNFADD184 pKa = 3.26 QWKK187 pKa = 10.52 FEE189 pKa = 4.36 GNCYY193 pKa = 9.92 GVGYY197 pKa = 9.11 MGNAQGILYY206 pKa = 9.0 NKK208 pKa = 9.97 KK209 pKa = 8.58 VFADD213 pKa = 3.46 AGVTEE218 pKa = 4.73 LPKK221 pKa = 10.73 TPTEE225 pKa = 4.86 FIAALQQIKK234 pKa = 10.73 DD235 pKa = 3.68 NTDD238 pKa = 4.57 AIPLYY243 pKa = 10.26 TNYY246 pKa = 10.71 AAGWTMGGQWDD257 pKa = 4.59 AYY259 pKa = 10.42 LGAITTGDD267 pKa = 3.96 TTWLNQKK274 pKa = 9.03 FAHH277 pKa = 5.95 SAEE280 pKa = 4.13 PFKK283 pKa = 11.55 DD284 pKa = 3.43 NGDD287 pKa = 3.5 EE288 pKa = 4.01 TGAYY292 pKa = 9.86 ALYY295 pKa = 10.22 KK296 pKa = 10.11 ILYY299 pKa = 8.87 DD300 pKa = 3.67 AVANGLTEE308 pKa = 5.37 DD309 pKa = 5.44 DD310 pKa = 4.16 YY311 pKa = 10.86 TTTDD315 pKa = 2.86 WEE317 pKa = 4.93 GCKK320 pKa = 10.76 GMINRR325 pKa = 11.84 GEE327 pKa = 4.23 IGTMVLGSWAVAQMKK342 pKa = 9.84 EE343 pKa = 3.68 ADD345 pKa = 4.06 ANGGDD350 pKa = 3.7 IGYY353 pKa = 8.11 MPFPISVGGKK363 pKa = 8.89 QYY365 pKa = 10.33 ATAGPDD371 pKa = 3.12 YY372 pKa = 10.71 CYY374 pKa = 10.73 GINKK378 pKa = 9.28 EE379 pKa = 4.15 SSADD383 pKa = 3.55 NQAAAMVFVKK393 pKa = 10.03 WMVEE397 pKa = 3.68 KK398 pKa = 10.94 SGWCDD403 pKa = 3.25 NEE405 pKa = 3.8 GGYY408 pKa = 9.62 PISKK412 pKa = 8.26 TAPTSFVFDD421 pKa = 3.36 GVEE424 pKa = 4.12 VVNNEE429 pKa = 3.86 AAPDD433 pKa = 3.93 DD434 pKa = 4.5 EE435 pKa = 6.91 ADD437 pKa = 5.75 LMNQMNAEE445 pKa = 4.16 CEE447 pKa = 4.3 LNFNNGGDD455 pKa = 3.31 RR456 pKa = 11.84 KK457 pKa = 9.72 VQEE460 pKa = 4.22 IVEE463 pKa = 4.12 AAATGSMTYY472 pKa = 10.79 DD473 pKa = 3.24 EE474 pKa = 6.06 IMANWTALWNDD485 pKa = 3.5 AQSSLGVDD493 pKa = 3.42 VTEE496 pKa = 4.38
Molecular weight: 53.35 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.71
IPC2_protein 3.821
IPC_protein 3.846
Toseland 3.63
ProMoST 3.986
Dawson 3.834
Bjellqvist 3.999
Wikipedia 3.757
Rodwell 3.668
Grimsley 3.528
Solomon 3.834
Lehninger 3.783
Nozaki 3.935
DTASelect 4.177
Thurlkill 3.668
EMBOSS 3.77
Sillero 3.961
Patrickios 0.998
IPC_peptide 3.834
IPC2_peptide 3.948
IPC2.peptide.svr19 3.869
Protein with the highest isoelectric point:
>tr|R9JUY2|R9JUY2_9FIRM Uncharacterized protein OS=Lachnospiraceae bacterium A4 OX=397291 GN=C804_00046 PE=4 SV=1
MM1 pKa = 7.67 KK2 pKa = 8.72 MTFQPKK8 pKa = 8.95 KK9 pKa = 7.58 RR10 pKa = 11.84 QRR12 pKa = 11.84 SKK14 pKa = 9.17 VHH16 pKa = 5.89 GFRR19 pKa = 11.84 ARR21 pKa = 11.84 MSTPGGRR28 pKa = 11.84 KK29 pKa = 8.8 VLAARR34 pKa = 11.84 RR35 pKa = 11.84 AKK37 pKa = 9.92 GRR39 pKa = 11.84 KK40 pKa = 8.91 RR41 pKa = 11.84 LSAA44 pKa = 3.96
Molecular weight: 5.07 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 12.676
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 12.398
IPC_peptide 13.408
IPC2_peptide 12.398
IPC2.peptide.svr19 9.125
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
6440
0
6440
1943585
20
5621
301.8
34.17
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.351 ± 0.034
1.591 ± 0.014
5.774 ± 0.027
7.793 ± 0.037
4.099 ± 0.023
6.464 ± 0.029
1.77 ± 0.014
7.107 ± 0.032
6.796 ± 0.029
8.818 ± 0.035
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
3.046 ± 0.019
4.613 ± 0.024
3.025 ± 0.017
3.673 ± 0.022
4.754 ± 0.026
5.835 ± 0.026
5.379 ± 0.035
6.462 ± 0.027
1.021 ± 0.011
4.627 ± 0.026
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