Amino acid dipepetide frequency for Anoxybacillus sp. BCO1

Apart from single amino acid frequencies one can also calculate so called amino acid dipeptide frequency.

There is 400 possibilites (441 if we consider Xaa as additional 21st amino acid representing all non-standard or unknown amino acids). Thus, if the dipeptides would be present randomly in proteins each amino acid dipeptide should be present with 0.25% frequency. As it is not the case in the nature, for better visablity all more than expected dipepetides are marked by red, and those which are underrepresented are marked by blue in the table.

All values are presented as per milles (‰), therefore need to be multiplied by 10-3.

For more information see sequence space article on Wikipedia.

AlaCysAspGluPheGlyHisIleLysLeuMetAsnProGlnArgSerThrValTrpTyrXaa
Ala
5.594AlaAla: 5.594 ± 0.11
0.747AlaCys: 0.747 ± 0.035
3.15AlaAsp: 3.15 ± 0.063
4.609AlaGlu: 4.609 ± 0.087
3.536AlaPhe: 3.536 ± 0.069
4.669AlaGly: 4.669 ± 0.091
1.919AlaHis: 1.919 ± 0.048
6.283AlaIle: 6.283 ± 0.091
5.472AlaLys: 5.472 ± 0.086
7.975AlaLeu: 7.975 ± 0.108
2.488AlaMet: 2.488 ± 0.051
2.923AlaAsn: 2.923 ± 0.06
2.24AlaPro: 2.24 ± 0.053
2.778AlaGln: 2.778 ± 0.056
3.577AlaArg: 3.577 ± 0.069
3.861AlaSer: 3.861 ± 0.069
4.133AlaThr: 4.133 ± 0.071
5.698AlaVal: 5.698 ± 0.102
0.689AlaTrp: 0.689 ± 0.029
2.662AlaTyr: 2.662 ± 0.062
0.0AlaXaa: 0.0 ± 0.0
Cys
0.646CysAla: 0.646 ± 0.027
0.195CysCys: 0.195 ± 0.017
0.496CysAsp: 0.496 ± 0.027
0.658CysGlu: 0.658 ± 0.028
0.48CysPhe: 0.48 ± 0.024
0.779CysGly: 0.779 ± 0.032
0.306CysHis: 0.306 ± 0.019
0.664CysIle: 0.664 ± 0.029
0.405CysLys: 0.405 ± 0.024
0.846CysLeu: 0.846 ± 0.035
0.311CysMet: 0.311 ± 0.019
0.332CysAsn: 0.332 ± 0.02
0.446CysPro: 0.446 ± 0.025
0.321CysGln: 0.321 ± 0.019
0.557CysArg: 0.557 ± 0.025
0.62CysSer: 0.62 ± 0.028
0.544CysThr: 0.544 ± 0.024
0.588CysVal: 0.588 ± 0.027
0.083CysTrp: 0.083 ± 0.01
0.359CysTyr: 0.359 ± 0.023
0.0CysXaa: 0.0 ± 0.0
Asp
3.434AspAla: 3.434 ± 0.07
0.417AspCys: 0.417 ± 0.022
2.622AspAsp: 2.622 ± 0.063
4.936AspGlu: 4.936 ± 0.086
1.976AspPhe: 1.976 ± 0.048
3.383AspGly: 3.383 ± 0.072
1.123AspHis: 1.123 ± 0.036
3.965AspIle: 3.965 ± 0.075
1.935AspLys: 1.935 ± 0.064
4.066AspLeu: 4.066 ± 0.079
1.375AspMet: 1.375 ± 0.037
1.153AspAsn: 1.153 ± 0.044
1.858AspPro: 1.858 ± 0.045
1.506AspGln: 1.506 ± 0.05
2.667AspArg: 2.667 ± 0.062
1.57AspSer: 1.57 ± 0.045
1.96AspThr: 1.96 ± 0.044
4.905AspVal: 4.905 ± 0.079
0.58AspTrp: 0.58 ± 0.026
1.887AspTyr: 1.887 ± 0.042
0.0AspXaa: 0.0 ± 0.0
Glu
6.159GluAla: 6.159 ± 0.099
0.415GluCys: 0.415 ± 0.024
2.775GluAsp: 2.775 ± 0.057
6.493GluGlu: 6.493 ± 0.103
2.011GluPhe: 2.011 ± 0.051
4.118GluGly: 4.118 ± 0.069
2.186GluHis: 2.186 ± 0.062
4.27GluIle: 4.27 ± 0.082
6.648GluLys: 6.648 ± 0.1
6.269GluLeu: 6.269 ± 0.081
2.343GluMet: 2.343 ± 0.055
2.67GluAsn: 2.67 ± 0.062
1.968GluPro: 1.968 ± 0.051
5.603GluGln: 5.603 ± 0.092
5.203GluArg: 5.203 ± 0.08
2.567GluSer: 2.567 ± 0.061
4.068GluThr: 4.068 ± 0.069
4.824GluVal: 4.824 ± 0.084
0.938GluTrp: 0.938 ± 0.034
1.989GluTyr: 1.989 ± 0.047
0.0GluXaa: 0.0 ± 0.0
Phe
3.503PheAla: 3.503 ± 0.073
0.484PheCys: 0.484 ± 0.029
2.156PheAsp: 2.156 ± 0.049
2.664PheGlu: 2.664 ± 0.064
2.4PhePhe: 2.4 ± 0.07
3.151PheGly: 3.151 ± 0.07
1.311PheHis: 1.311 ± 0.042
3.797PheIle: 3.797 ± 0.076
1.69PheLys: 1.69 ± 0.044
4.452PheLeu: 4.452 ± 0.091
1.371PheMet: 1.371 ± 0.042
1.265PheAsn: 1.265 ± 0.042
1.74PhePro: 1.74 ± 0.047
1.761PheGln: 1.761 ± 0.043
2.088PheArg: 2.088 ± 0.052
3.027PheSer: 3.027 ± 0.074
2.543PheThr: 2.543 ± 0.066
3.666PheVal: 3.666 ± 0.064
0.411PheTrp: 0.411 ± 0.022
1.69PheTyr: 1.69 ± 0.046
0.0PheXaa: 0.0 ± 0.0
Gly
4.804GlyAla: 4.804 ± 0.086
0.716GlyCys: 0.716 ± 0.028
2.98GlyAsp: 2.98 ± 0.062
4.431GlyGlu: 4.431 ± 0.07
2.802GlyPhe: 2.802 ± 0.063
4.33GlyGly: 4.33 ± 0.091
1.479GlyHis: 1.479 ± 0.049
5.06GlyIle: 5.06 ± 0.076
4.942GlyLys: 4.942 ± 0.076
5.666GlyLeu: 5.666 ± 0.087
2.174GlyMet: 2.174 ± 0.049
2.154GlyAsn: 2.154 ± 0.049
1.533GlyPro: 1.533 ± 0.04
2.098GlyGln: 2.098 ± 0.047
2.948GlyArg: 2.948 ± 0.061
3.123GlySer: 3.123 ± 0.061
3.978GlyThr: 3.978 ± 0.066
5.222GlyVal: 5.222 ± 0.08
0.747GlyTrp: 0.747 ± 0.029
2.559GlyTyr: 2.559 ± 0.053
0.0GlyXaa: 0.0 ± 0.0
His
1.831HisAla: 1.831 ± 0.043
0.289HisCys: 0.289 ± 0.022
1.26HisAsp: 1.26 ± 0.039
1.917HisGlu: 1.917 ± 0.046
1.252HisPhe: 1.252 ± 0.039
1.59HisGly: 1.59 ± 0.042
0.849HisHis: 0.849 ± 0.033
2.355HisIle: 2.355 ± 0.057
0.944HisLys: 0.944 ± 0.032
2.438HisLeu: 2.438 ± 0.055
0.99HisMet: 0.99 ± 0.042
0.639HisAsn: 0.639 ± 0.026
1.364HisPro: 1.364 ± 0.041
0.839HisGln: 0.839 ± 0.034
1.368HisArg: 1.368 ± 0.04
1.09HisSer: 1.09 ± 0.039
1.319HisThr: 1.319 ± 0.041
2.462HisVal: 2.462 ± 0.054
0.254HisTrp: 0.254 ± 0.018
0.959HisTyr: 0.959 ± 0.034
0.0HisXaa: 0.0 ± 0.0
Ile
6.728IleAla: 6.728 ± 0.105
0.837IleCys: 0.837 ± 0.028
4.447IleAsp: 4.447 ± 0.074
6.049IleGlu: 6.049 ± 0.096
3.06IlePhe: 3.06 ± 0.071
5.766IleGly: 5.766 ± 0.094
1.93IleHis: 1.93 ± 0.047
4.869IleIle: 4.869 ± 0.079
3.318IleLys: 3.318 ± 0.067
5.482IleLeu: 5.482 ± 0.094
1.602IleMet: 1.602 ± 0.046
2.198IleAsn: 2.198 ± 0.057
3.122IlePro: 3.122 ± 0.077
3.013IleGln: 3.013 ± 0.061
3.841IleArg: 3.841 ± 0.071
4.055IleSer: 4.055 ± 0.07
3.492IleThr: 3.492 ± 0.079
6.705IleVal: 6.705 ± 0.102
0.654IleTrp: 0.654 ± 0.025
2.454IleTyr: 2.454 ± 0.06
0.0IleXaa: 0.0 ± 0.0
Lys
4.499LysAla: 4.499 ± 0.081
0.42LysCys: 0.42 ± 0.025
2.822LysAsp: 2.822 ± 0.067
6.268LysGlu: 6.268 ± 0.094
1.561LysPhe: 1.561 ± 0.044
4.147LysGly: 4.147 ± 0.083
1.597LysHis: 1.597 ± 0.044
3.599LysIle: 3.599 ± 0.073
5.601LysLys: 5.601 ± 0.099
5.06LysLeu: 5.06 ± 0.082
2.221LysMet: 2.221 ± 0.059
2.662LysAsn: 2.662 ± 0.063
1.969LysPro: 1.969 ± 0.046
4.589LysGln: 4.589 ± 0.096
4.665LysArg: 4.665 ± 0.073
2.639LysSer: 2.639 ± 0.059
3.684LysThr: 3.684 ± 0.058
4.107LysVal: 4.107 ± 0.072
0.928LysTrp: 0.928 ± 0.036
1.916LysTyr: 1.916 ± 0.052
0.0LysXaa: 0.0 ± 0.0
Leu
7.752LeuAla: 7.752 ± 0.102
0.873LeuCys: 0.873 ± 0.034
4.246LeuAsp: 4.246 ± 0.076
5.663LeuGlu: 5.663 ± 0.102
5.053LeuPhe: 5.053 ± 0.098
5.608LeuGly: 5.608 ± 0.092
2.548LeuHis: 2.548 ± 0.066
6.049LeuIle: 6.049 ± 0.103
5.854LeuLys: 5.854 ± 0.09
9.805LeuLeu: 9.805 ± 0.136
2.353LeuMet: 2.353 ± 0.059
3.254LeuAsn: 3.254 ± 0.077
3.903LeuPro: 3.903 ± 0.065
4.455LeuGln: 4.455 ± 0.076
4.735LeuArg: 4.735 ± 0.079
6.083LeuSer: 6.083 ± 0.094
5.209LeuThr: 5.209 ± 0.082
6.254LeuVal: 6.254 ± 0.101
0.816LeuTrp: 0.816 ± 0.03
3.26LeuTyr: 3.26 ± 0.07
0.0LeuXaa: 0.0 ± 0.0
Met
2.275MetAla: 2.275 ± 0.046
0.256MetCys: 0.256 ± 0.017
1.297MetAsp: 1.297 ± 0.039
2.04MetGlu: 2.04 ± 0.053
1.301MetPhe: 1.301 ± 0.04
1.563MetGly: 1.563 ± 0.046
0.667MetHis: 0.667 ± 0.028
2.438MetIle: 2.438 ± 0.058
2.86MetLys: 2.86 ± 0.065
2.876MetLeu: 2.876 ± 0.063
1.261MetMet: 1.261 ± 0.044
1.673MetAsn: 1.673 ± 0.049
1.178MetPro: 1.178 ± 0.048
1.155MetGln: 1.155 ± 0.04
1.633MetArg: 1.633 ± 0.047
1.668MetSer: 1.668 ± 0.046
1.95MetThr: 1.95 ± 0.052
1.617MetVal: 1.617 ± 0.044
0.26MetTrp: 0.26 ± 0.018
0.991MetTyr: 0.991 ± 0.035
0.0MetXaa: 0.0 ± 0.0
Asn
2.43AsnAla: 2.43 ± 0.056
0.323AsnCys: 0.323 ± 0.022
2.154AsnAsp: 2.154 ± 0.053
3.604AsnGlu: 3.604 ± 0.075
1.173AsnPhe: 1.173 ± 0.048
3.087AsnGly: 3.087 ± 0.065
0.834AsnHis: 0.834 ± 0.035
3.045AsnIle: 3.045 ± 0.069
2.238AsnLys: 2.238 ± 0.053
2.328AsnLeu: 2.328 ± 0.054
1.278AsnMet: 1.278 ± 0.039
1.417AsnAsn: 1.417 ± 0.046
1.563AsnPro: 1.563 ± 0.048
1.158AsnGln: 1.158 ± 0.036
2.024AsnArg: 2.024 ± 0.049
1.338AsnSer: 1.338 ± 0.04
1.558AsnThr: 1.558 ± 0.048
3.181AsnVal: 3.181 ± 0.065
0.369AsnTrp: 0.369 ± 0.017
1.097AsnTyr: 1.097 ± 0.049
0.0AsnXaa: 0.0 ± 0.0
Pro
2.086ProAla: 2.086 ± 0.053
0.297ProCys: 0.297 ± 0.021
1.66ProAsp: 1.66 ± 0.049
2.358ProGlu: 2.358 ± 0.061
2.225ProPhe: 2.225 ± 0.056
1.89ProGly: 1.89 ± 0.051
1.079ProHis: 1.079 ± 0.042
3.052ProIle: 3.052 ± 0.055
2.333ProLys: 2.333 ± 0.053
3.773ProLeu: 3.773 ± 0.07
0.9ProMet: 0.9 ± 0.04
1.861ProAsn: 1.861 ± 0.046
1.142ProPro: 1.142 ± 0.039
1.128ProGln: 1.128 ± 0.038
1.336ProArg: 1.336 ± 0.044
2.323ProSer: 2.323 ± 0.053
2.254ProThr: 2.254 ± 0.058
2.425ProVal: 2.425 ± 0.053
0.358ProTrp: 0.358 ± 0.02
1.573ProTyr: 1.573 ± 0.044
0.0ProXaa: 0.0 ± 0.0
Gln
3.46GlnAla: 3.46 ± 0.079
0.315GlnCys: 0.315 ± 0.023
1.317GlnAsp: 1.317 ± 0.039
2.574GlnGlu: 2.574 ± 0.053
1.945GlnPhe: 1.945 ± 0.049
2.008GlnGly: 2.008 ± 0.048
1.28GlnHis: 1.28 ± 0.045
2.614GlnIle: 2.614 ± 0.063
3.022GlnLys: 3.022 ± 0.072
5.464GlnLeu: 5.464 ± 0.102
1.537GlnMet: 1.537 ± 0.058
1.331GlnAsn: 1.331 ± 0.039
1.482GlnPro: 1.482 ± 0.042
2.956GlnGln: 2.956 ± 0.076
2.169GlnArg: 2.169 ± 0.05
2.106GlnSer: 2.106 ± 0.051
2.783GlnThr: 2.783 ± 0.071
2.495GlnVal: 2.495 ± 0.051
0.599GlnTrp: 0.599 ± 0.029
1.632GlnTyr: 1.632 ± 0.043
0.0GlnXaa: 0.0 ± 0.0
Arg
3.628ArgAla: 3.628 ± 0.073
0.559ArgCys: 0.559 ± 0.031
2.46ArgAsp: 2.46 ± 0.055
3.831ArgGlu: 3.831 ± 0.066
2.467ArgPhe: 2.467 ± 0.059
2.83ArgGly: 2.83 ± 0.061
1.317ArgHis: 1.317 ± 0.044
3.805ArgIle: 3.805 ± 0.068
3.752ArgLys: 3.752 ± 0.078
5.372ArgLeu: 5.372 ± 0.084
2.007ArgMet: 2.007 ± 0.051
1.935ArgAsn: 1.935 ± 0.047
1.734ArgPro: 1.734 ± 0.044
2.239ArgGln: 2.239 ± 0.06
2.83ArgArg: 2.83 ± 0.066
2.732ArgSer: 2.732 ± 0.059
2.703ArgThr: 2.703 ± 0.06
3.514ArgVal: 3.514 ± 0.061
0.669ArgTrp: 0.669 ± 0.032
2.1ArgTyr: 2.1 ± 0.048
0.0ArgXaa: 0.0 ± 0.0
Ser
3.297SerAla: 3.297 ± 0.068
0.568SerCys: 0.568 ± 0.027
2.354SerAsp: 2.354 ± 0.056
3.255SerGlu: 3.255 ± 0.08
3.575SerPhe: 3.575 ± 0.064
3.402SerGly: 3.402 ± 0.07
1.227SerHis: 1.227 ± 0.037
3.936SerIle: 3.936 ± 0.07
2.822SerLys: 2.822 ± 0.058
5.789SerLeu: 5.789 ± 0.083
1.487SerMet: 1.487 ± 0.05
1.682SerAsn: 1.682 ± 0.049
1.921SerPro: 1.921 ± 0.046
1.622SerGln: 1.622 ± 0.041
2.4SerArg: 2.4 ± 0.062
3.17SerSer: 3.17 ± 0.069
2.469SerThr: 2.469 ± 0.056
3.821SerVal: 3.821 ± 0.06
0.554SerTrp: 0.554 ± 0.028
1.958SerTyr: 1.958 ± 0.045
0.0SerXaa: 0.0 ± 0.0
Thr
3.687ThrAla: 3.687 ± 0.075
0.53ThrCys: 0.53 ± 0.023
2.46ThrAsp: 2.46 ± 0.052
3.248ThrGlu: 3.248 ± 0.068
3.011ThrPhe: 3.011 ± 0.065
3.593ThrGly: 3.593 ± 0.062
1.163ThrHis: 1.163 ± 0.038
4.83ThrIle: 4.83 ± 0.079
3.678ThrLys: 3.678 ± 0.072
5.257ThrLeu: 5.257 ± 0.091
1.637ThrMet: 1.637 ± 0.051
2.574ThrAsn: 2.574 ± 0.056
2.2ThrPro: 2.2 ± 0.049
1.239ThrGln: 1.239 ± 0.041
2.037ThrArg: 2.037 ± 0.044
2.819ThrSer: 2.819 ± 0.056
3.187ThrThr: 3.187 ± 0.087
4.519ThrVal: 4.519 ± 0.078
0.631ThrTrp: 0.631 ± 0.027
2.36ThrTyr: 2.36 ± 0.053
0.0ThrXaa: 0.0 ± 0.0
Val
5.933ValAla: 5.933 ± 0.083
0.869ValCys: 0.869 ± 0.036
3.897ValAsp: 3.897 ± 0.075
5.109ValGlu: 5.109 ± 0.09
3.182ValPhe: 3.182 ± 0.064
4.699ValGly: 4.699 ± 0.083
2.0ValHis: 2.0 ± 0.055
5.651ValIle: 5.651 ± 0.087
4.677ValLys: 4.677 ± 0.08
6.759ValLeu: 6.759 ± 0.103
2.074ValMet: 2.074 ± 0.047
2.766ValAsn: 2.766 ± 0.062
3.111ValPro: 3.111 ± 0.062
3.155ValGln: 3.155 ± 0.07
3.767ValArg: 3.767 ± 0.074
4.266ValSer: 4.266 ± 0.071
4.316ValThr: 4.316 ± 0.072
6.277ValVal: 6.277 ± 0.101
0.738ValTrp: 0.738 ± 0.033
2.665ValTyr: 2.665 ± 0.058
0.0ValXaa: 0.0 ± 0.0
Trp
0.68TrpAla: 0.68 ± 0.032
0.116TrpCys: 0.116 ± 0.011
0.501TrpAsp: 0.501 ± 0.029
0.716TrpGlu: 0.716 ± 0.025
0.472TrpPhe: 0.472 ± 0.024
0.58TrpGly: 0.58 ± 0.027
0.323TrpHis: 0.323 ± 0.022
0.833TrpIle: 0.833 ± 0.034
0.829TrpLys: 0.829 ± 0.032
1.328TrpLeu: 1.328 ± 0.048
0.396TrpMet: 0.396 ± 0.019
0.512TrpAsn: 0.512 ± 0.024
0.256TrpPro: 0.256 ± 0.018
0.415TrpGln: 0.415 ± 0.024
0.583TrpArg: 0.583 ± 0.027
0.53TrpSer: 0.53 ± 0.024
0.627TrpThr: 0.627 ± 0.03
0.604TrpVal: 0.604 ± 0.026
0.157TrpTrp: 0.157 ± 0.014
0.336TrpTyr: 0.336 ± 0.023
0.0TrpXaa: 0.0 ± 0.0
Tyr
2.579TyrAla: 2.579 ± 0.059
0.41TyrCys: 0.41 ± 0.02
2.265TyrAsp: 2.265 ± 0.051
3.092TyrGlu: 3.092 ± 0.061
1.689TyrPhe: 1.689 ± 0.054
2.551TyrGly: 2.551 ± 0.063
0.871TyrHis: 0.871 ± 0.036
2.507TyrIle: 2.507 ± 0.062
1.934TyrLys: 1.934 ± 0.052
2.767TyrLeu: 2.767 ± 0.061
1.153TyrMet: 1.153 ± 0.037
1.197TyrAsn: 1.197 ± 0.04
1.327TyrPro: 1.327 ± 0.039
1.057TyrGln: 1.057 ± 0.034
2.06TyrArg: 2.06 ± 0.052
1.723TyrSer: 1.723 ± 0.046
1.879TyrThr: 1.879 ± 0.054
3.027TyrVal: 3.027 ± 0.058
0.358TyrTrp: 0.358 ± 0.022
1.359TyrTyr: 1.359 ± 0.041
0.0TyrXaa: 0.0 ± 0.0
Xaa
0.0XaaAla: 0.0 ± 0.0
0.0XaaCys: 0.0 ± 0.0
0.0XaaAsp: 0.0 ± 0.0
0.0XaaGlu: 0.0 ± 0.0
0.0XaaPhe: 0.0 ± 0.0
0.0XaaGly: 0.0 ± 0.0
0.0XaaHis: 0.0 ± 0.0
0.0XaaIle: 0.0 ± 0.0
0.0XaaLys: 0.0 ± 0.0
0.0XaaLeu: 0.0 ± 0.0
0.0XaaMet: 0.0 ± 0.0
0.0XaaAsn: 0.0 ± 0.0
0.0XaaPro: 0.0 ± 0.0
0.0XaaGln: 0.0 ± 0.0
0.0XaaArg: 0.0 ± 0.0
0.0XaaSer: 0.0 ± 0.0
0.0XaaThr: 0.0 ± 0.0
0.0XaaVal: 0.0 ± 0.0
0.0XaaTrp: 0.0 ± 0.0
0.0XaaTyr: 0.0 ± 0.0
0.0XaaXaa: 0.0 ± 0.0
Statistics based on 4427 proteins (810159 amino acids)

Note: The error has been estimated with the bootstraping (x100) at the protein level

Above dipeptide statistics (among other stats for this proteome) you can download from this CSV file
See this proteome in: uniprot_link
Proteome-pI is available under Creative Commons Attribution-NoDerivs license, for more details see here

Reference: Kozlowski LP. Proteome-pI 2.0: Proteome Isoelectric Point Database Update. Nucleic Acids Res. 2021, doi: 10.1093/nar/gkab944 Contact: Lukasz P. Kozlowski