Amino acid dipepetide frequency for Enterococcus hermanniensis

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
6.198AlaAla: 6.198 ± 0.121
0.515AlaCys: 0.515 ± 0.025
4.031AlaAsp: 4.031 ± 0.079
5.333AlaGlu: 5.333 ± 0.114
3.205AlaPhe: 3.205 ± 0.076
5.346AlaGly: 5.346 ± 0.115
1.21AlaHis: 1.21 ± 0.045
6.089AlaIle: 6.089 ± 0.103
5.398AlaLys: 5.398 ± 0.103
7.354AlaLeu: 7.354 ± 0.131
2.139AlaMet: 2.139 ± 0.059
3.079AlaAsn: 3.079 ± 0.071
2.13AlaPro: 2.13 ± 0.053
3.026AlaGln: 3.026 ± 0.066
2.477AlaArg: 2.477 ± 0.064
4.199AlaSer: 4.199 ± 0.08
4.414AlaThr: 4.414 ± 0.087
5.177AlaVal: 5.177 ± 0.094
0.586AlaTrp: 0.586 ± 0.033
2.412AlaTyr: 2.412 ± 0.056
0.0AlaXaa: 0.0 ± 0.0
Cys
0.374CysAla: 0.374 ± 0.02
0.072CysCys: 0.072 ± 0.011
0.283CysAsp: 0.283 ± 0.019
0.352CysGlu: 0.352 ± 0.024
0.303CysPhe: 0.303 ± 0.022
0.581CysGly: 0.581 ± 0.031
0.162CysHis: 0.162 ± 0.016
0.368CysIle: 0.368 ± 0.022
0.23CysLys: 0.23 ± 0.016
0.658CysLeu: 0.658 ± 0.029
0.158CysMet: 0.158 ± 0.017
0.195CysAsn: 0.195 ± 0.015
0.273CysPro: 0.273 ± 0.019
0.266CysGln: 0.266 ± 0.02
0.185CysArg: 0.185 ± 0.017
0.395CysSer: 0.395 ± 0.024
0.334CysThr: 0.334 ± 0.02
0.375CysVal: 0.375 ± 0.022
0.057CysTrp: 0.057 ± 0.009
0.257CysTyr: 0.257 ± 0.016
0.0CysXaa: 0.0 ± 0.0
Asp
3.459AspAla: 3.459 ± 0.07
0.327AspCys: 0.327 ± 0.021
2.651AspAsp: 2.651 ± 0.081
4.296AspGlu: 4.296 ± 0.076
2.864AspPhe: 2.864 ± 0.059
3.53AspGly: 3.53 ± 0.075
1.19AspHis: 1.19 ± 0.039
3.745AspIle: 3.745 ± 0.074
3.398AspLys: 3.398 ± 0.073
5.49AspLeu: 5.49 ± 0.083
1.278AspMet: 1.278 ± 0.043
2.139AspAsn: 2.139 ± 0.061
2.082AspPro: 2.082 ± 0.061
2.735AspGln: 2.735 ± 0.066
2.147AspArg: 2.147 ± 0.049
3.038AspSer: 3.038 ± 0.074
2.812AspThr: 2.812 ± 0.071
3.61AspVal: 3.61 ± 0.062
0.609AspTrp: 0.609 ± 0.032
2.578AspTyr: 2.578 ± 0.072
0.0AspXaa: 0.0 ± 0.0
Glu
5.633GluAla: 5.633 ± 0.106
0.304GluCys: 0.304 ± 0.022
3.469GluAsp: 3.469 ± 0.079
5.934GluGlu: 5.934 ± 0.104
2.587GluPhe: 2.587 ± 0.065
3.687GluGly: 3.687 ± 0.067
1.271GluHis: 1.271 ± 0.045
5.549GluIle: 5.549 ± 0.114
6.682GluLys: 6.682 ± 0.118
7.423GluLeu: 7.423 ± 0.121
2.215GluMet: 2.215 ± 0.053
3.969GluAsn: 3.969 ± 0.072
1.859GluPro: 1.859 ± 0.054
3.275GluGln: 3.275 ± 0.074
3.18GluArg: 3.18 ± 0.074
3.297GluSer: 3.297 ± 0.069
4.223GluThr: 4.223 ± 0.093
4.794GluVal: 4.794 ± 0.091
0.626GluTrp: 0.626 ± 0.027
2.166GluTyr: 2.166 ± 0.056
0.0GluXaa: 0.0 ± 0.0
Phe
3.123PheAla: 3.123 ± 0.077
0.343PheCys: 0.343 ± 0.022
2.779PheAsp: 2.779 ± 0.064
2.944PheGlu: 2.944 ± 0.069
2.518PhePhe: 2.518 ± 0.062
3.28PheGly: 3.28 ± 0.073
0.79PheHis: 0.79 ± 0.032
3.553PheIle: 3.553 ± 0.091
2.42PheLys: 2.42 ± 0.061
4.583PheLeu: 4.583 ± 0.095
1.178PheMet: 1.178 ± 0.042
1.989PheAsn: 1.989 ± 0.046
1.614PhePro: 1.614 ± 0.039
1.72PheGln: 1.72 ± 0.046
1.409PheArg: 1.409 ± 0.049
3.4PheSer: 3.4 ± 0.084
2.585PheThr: 2.585 ± 0.072
3.07PheVal: 3.07 ± 0.078
0.451PheTrp: 0.451 ± 0.024
1.829PheTyr: 1.829 ± 0.056
0.0PheXaa: 0.0 ± 0.0
Gly
4.793GlyAla: 4.793 ± 0.114
0.483GlyCys: 0.483 ± 0.025
3.245GlyAsp: 3.245 ± 0.071
4.026GlyGlu: 4.026 ± 0.078
3.26GlyPhe: 3.26 ± 0.072
4.475GlyGly: 4.475 ± 0.117
1.232GlyHis: 1.232 ± 0.04
6.096GlyIle: 6.096 ± 0.107
4.772GlyLys: 4.772 ± 0.081
6.455GlyLeu: 6.455 ± 0.098
2.022GlyMet: 2.022 ± 0.064
2.922GlyAsn: 2.922 ± 0.07
1.453GlyPro: 1.453 ± 0.045
2.347GlyGln: 2.347 ± 0.051
2.442GlyArg: 2.442 ± 0.061
3.911GlySer: 3.911 ± 0.093
4.161GlyThr: 4.161 ± 0.082
4.544GlyVal: 4.544 ± 0.09
0.727GlyTrp: 0.727 ± 0.037
2.664GlyTyr: 2.664 ± 0.06
0.0GlyXaa: 0.0 ± 0.0
His
1.171HisAla: 1.171 ± 0.035
0.125HisCys: 0.125 ± 0.013
0.897HisAsp: 0.897 ± 0.04
1.266HisGlu: 1.266 ± 0.04
1.038HisPhe: 1.038 ± 0.033
1.332HisGly: 1.332 ± 0.042
0.511HisHis: 0.511 ± 0.027
1.119HisIle: 1.119 ± 0.037
0.8HisLys: 0.8 ± 0.033
1.998HisLeu: 1.998 ± 0.054
0.404HisMet: 0.404 ± 0.022
0.616HisAsn: 0.616 ± 0.032
0.949HisPro: 0.949 ± 0.041
0.928HisGln: 0.928 ± 0.038
0.79HisArg: 0.79 ± 0.039
1.072HisSer: 1.072 ± 0.037
0.916HisThr: 0.916 ± 0.034
1.145HisVal: 1.145 ± 0.04
0.221HisTrp: 0.221 ± 0.017
0.863HisTyr: 0.863 ± 0.039
0.0HisXaa: 0.0 ± 0.0
Ile
5.978IleAla: 5.978 ± 0.105
0.57IleCys: 0.57 ± 0.023
4.83IleAsp: 4.83 ± 0.096
5.589IleGlu: 5.589 ± 0.087
3.526IlePhe: 3.526 ± 0.077
5.736IleGly: 5.736 ± 0.117
1.372IleHis: 1.372 ± 0.044
5.616IleIle: 5.616 ± 0.114
4.632IleLys: 4.632 ± 0.077
7.029IleLeu: 7.029 ± 0.123
1.743IleMet: 1.743 ± 0.053
3.459IleAsn: 3.459 ± 0.066
3.03IlePro: 3.03 ± 0.063
3.142IleGln: 3.142 ± 0.064
2.886IleArg: 2.886 ± 0.071
4.857IleSer: 4.857 ± 0.094
4.333IleThr: 4.333 ± 0.086
5.47IleVal: 5.47 ± 0.095
0.537IleTrp: 0.537 ± 0.029
2.578IleTyr: 2.578 ± 0.058
0.0IleXaa: 0.0 ± 0.0
Lys
4.949LysAla: 4.949 ± 0.087
0.209LysCys: 0.209 ± 0.018
3.892LysAsp: 3.892 ± 0.09
6.469LysGlu: 6.469 ± 0.101
2.071LysPhe: 2.071 ± 0.056
3.652LysGly: 3.652 ± 0.07
1.086LysHis: 1.086 ± 0.038
5.623LysIle: 5.623 ± 0.083
6.271LysLys: 6.271 ± 0.107
5.545LysLeu: 5.545 ± 0.09
2.276LysMet: 2.276 ± 0.057
4.01LysAsn: 4.01 ± 0.072
1.851LysPro: 1.851 ± 0.052
3.315LysGln: 3.315 ± 0.074
2.977LysArg: 2.977 ± 0.071
3.216LysSer: 3.216 ± 0.064
4.026LysThr: 4.026 ± 0.074
4.6LysVal: 4.6 ± 0.08
0.56LysTrp: 0.56 ± 0.027
2.252LysTyr: 2.252 ± 0.064
0.0LysXaa: 0.0 ± 0.0
Leu
8.633LeuAla: 8.633 ± 0.115
0.562LeuCys: 0.562 ± 0.032
5.071LeuAsp: 5.071 ± 0.09
6.083LeuGlu: 6.083 ± 0.104
4.762LeuPhe: 4.762 ± 0.108
6.412LeuGly: 6.412 ± 0.129
1.629LeuHis: 1.629 ± 0.053
7.265LeuIle: 7.265 ± 0.12
6.511LeuLys: 6.511 ± 0.108
10.24LeuLeu: 10.24 ± 0.168
2.553LeuMet: 2.553 ± 0.06
4.548LeuAsn: 4.548 ± 0.083
4.126LeuPro: 4.126 ± 0.086
3.368LeuGln: 3.368 ± 0.076
3.451LeuArg: 3.451 ± 0.077
6.551LeuSer: 6.551 ± 0.112
6.339LeuThr: 6.339 ± 0.098
6.755LeuVal: 6.755 ± 0.099
0.786LeuTrp: 0.786 ± 0.035
2.966LeuTyr: 2.966 ± 0.06
0.0LeuXaa: 0.0 ± 0.0
Met
1.961MetAla: 1.961 ± 0.054
0.13MetCys: 0.13 ± 0.013
1.536MetAsp: 1.536 ± 0.05
1.857MetGlu: 1.857 ± 0.053
0.975MetPhe: 0.975 ± 0.037
1.75MetGly: 1.75 ± 0.054
0.394MetHis: 0.394 ± 0.021
2.429MetIle: 2.429 ± 0.066
2.095MetLys: 2.095 ± 0.051
2.293MetLeu: 2.293 ± 0.05
0.931MetMet: 0.931 ± 0.036
1.544MetAsn: 1.544 ± 0.042
0.959MetPro: 0.959 ± 0.04
1.002MetGln: 1.002 ± 0.037
1.022MetArg: 1.022 ± 0.036
1.556MetSer: 1.556 ± 0.047
1.844MetThr: 1.844 ± 0.048
1.802MetVal: 1.802 ± 0.051
0.148MetTrp: 0.148 ± 0.014
0.763MetTyr: 0.763 ± 0.033
0.0MetXaa: 0.0 ± 0.0
Asn
2.864AsnAla: 2.864 ± 0.07
0.294AsnCys: 0.294 ± 0.022
2.664AsnAsp: 2.664 ± 0.069
3.432AsnGlu: 3.432 ± 0.063
1.985AsnPhe: 1.985 ± 0.052
3.2AsnGly: 3.2 ± 0.075
1.066AsnHis: 1.066 ± 0.039
3.005AsnIle: 3.005 ± 0.066
2.878AsnLys: 2.878 ± 0.057
4.233AsnLeu: 4.233 ± 0.076
1.111AsnMet: 1.111 ± 0.036
2.195AsnAsn: 2.195 ± 0.065
2.111AsnPro: 2.111 ± 0.052
2.741AsnGln: 2.741 ± 0.071
1.933AsnArg: 1.933 ± 0.049
2.469AsnSer: 2.469 ± 0.071
2.368AsnThr: 2.368 ± 0.068
2.918AsnVal: 2.918 ± 0.061
0.532AsnTrp: 0.532 ± 0.03
2.114AsnTyr: 2.114 ± 0.061
0.0AsnXaa: 0.0 ± 0.0
Pro
2.397ProAla: 2.397 ± 0.052
0.169ProCys: 0.169 ± 0.014
1.908ProAsp: 1.908 ± 0.058
3.15ProGlu: 3.15 ± 0.074
1.734ProPhe: 1.734 ± 0.05
2.022ProGly: 2.022 ± 0.056
0.658ProHis: 0.658 ± 0.029
2.686ProIle: 2.686 ± 0.059
2.303ProLys: 2.303 ± 0.053
3.3ProLeu: 3.3 ± 0.071
0.85ProMet: 0.85 ± 0.036
1.654ProAsn: 1.654 ± 0.052
0.604ProPro: 0.604 ± 0.032
1.304ProGln: 1.304 ± 0.04
1.006ProArg: 1.006 ± 0.033
1.893ProSer: 1.893 ± 0.056
2.369ProThr: 2.369 ± 0.06
2.531ProVal: 2.531 ± 0.054
0.274ProTrp: 0.274 ± 0.019
1.353ProTyr: 1.353 ± 0.044
0.0ProXaa: 0.0 ± 0.0
Gln
3.844GlnAla: 3.844 ± 0.081
0.126GlnCys: 0.126 ± 0.013
1.722GlnAsp: 1.722 ± 0.05
3.156GlnGlu: 3.156 ± 0.069
1.653GlnPhe: 1.653 ± 0.05
2.328GlnGly: 2.328 ± 0.052
0.717GlnHis: 0.717 ± 0.032
2.948GlnIle: 2.948 ± 0.062
3.372GlnLys: 3.372 ± 0.067
4.845GlnLeu: 4.845 ± 0.102
1.263GlnMet: 1.263 ± 0.045
1.759GlnAsn: 1.759 ± 0.051
1.348GlnPro: 1.348 ± 0.042
2.515GlnGln: 2.515 ± 0.092
1.813GlnArg: 1.813 ± 0.053
2.268GlnSer: 2.268 ± 0.055
2.739GlnThr: 2.739 ± 0.069
2.856GlnVal: 2.856 ± 0.061
0.406GlnTrp: 0.406 ± 0.025
1.3GlnTyr: 1.3 ± 0.043
0.0GlnXaa: 0.0 ± 0.0
Arg
2.296ArgAla: 2.296 ± 0.061
0.21ArgCys: 0.21 ± 0.019
1.844ArgAsp: 1.844 ± 0.056
2.776ArgGlu: 2.776 ± 0.061
1.929ArgPhe: 1.929 ± 0.05
2.287ArgGly: 2.287 ± 0.063
0.723ArgHis: 0.723 ± 0.033
2.757ArgIle: 2.757 ± 0.059
2.99ArgLys: 2.99 ± 0.064
3.99ArgLeu: 3.99 ± 0.08
1.119ArgMet: 1.119 ± 0.039
1.75ArgAsn: 1.75 ± 0.055
1.314ArgPro: 1.314 ± 0.044
1.714ArgGln: 1.714 ± 0.055
1.861ArgArg: 1.861 ± 0.059
2.11ArgSer: 2.11 ± 0.052
1.937ArgThr: 1.937 ± 0.052
2.424ArgVal: 2.424 ± 0.067
0.366ArgTrp: 0.366 ± 0.017
1.63ArgTyr: 1.63 ± 0.052
0.0ArgXaa: 0.0 ± 0.0
Ser
4.096SerAla: 4.096 ± 0.087
0.306SerCys: 0.306 ± 0.018
3.325SerAsp: 3.325 ± 0.072
4.058SerGlu: 4.058 ± 0.081
3.039SerPhe: 3.039 ± 0.073
4.389SerGly: 4.389 ± 0.081
1.0SerHis: 1.0 ± 0.035
4.563SerIle: 4.563 ± 0.078
3.571SerLys: 3.571 ± 0.063
5.926SerLeu: 5.926 ± 0.111
1.537SerMet: 1.537 ± 0.045
2.691SerAsn: 2.691 ± 0.074
1.794SerPro: 1.794 ± 0.053
2.343SerGln: 2.343 ± 0.054
2.113SerArg: 2.113 ± 0.056
3.991SerSer: 3.991 ± 0.134
3.345SerThr: 3.345 ± 0.084
3.917SerVal: 3.917 ± 0.076
0.572SerTrp: 0.572 ± 0.027
2.291SerTyr: 2.291 ± 0.061
0.0SerXaa: 0.0 ± 0.0
Thr
4.458ThrAla: 4.458 ± 0.09
0.295ThrCys: 0.295 ± 0.019
3.434ThrAsp: 3.434 ± 0.085
3.89ThrGlu: 3.89 ± 0.081
2.626ThrPhe: 2.626 ± 0.069
4.237ThrGly: 4.237 ± 0.078
1.094ThrHis: 1.094 ± 0.035
5.225ThrIle: 5.225 ± 0.102
3.939ThrLys: 3.939 ± 0.081
5.527ThrLeu: 5.527 ± 0.095
1.397ThrMet: 1.397 ± 0.044
2.799ThrAsn: 2.799 ± 0.069
2.409ThrPro: 2.409 ± 0.063
2.077ThrGln: 2.077 ± 0.049
1.841ThrArg: 1.841 ± 0.048
3.551ThrSer: 3.551 ± 0.077
3.813ThrThr: 3.813 ± 0.079
4.239ThrVal: 4.239 ± 0.086
0.513ThrTrp: 0.513 ± 0.029
2.045ThrTyr: 2.045 ± 0.059
0.0ThrXaa: 0.0 ± 0.0
Val
5.387ValAla: 5.387 ± 0.101
0.484ValCys: 0.484 ± 0.026
3.864ValAsp: 3.864 ± 0.084
4.644ValGlu: 4.644 ± 0.083
2.983ValPhe: 2.983 ± 0.075
4.679ValGly: 4.679 ± 0.081
1.026ValHis: 1.026 ± 0.039
5.398ValIle: 5.398 ± 0.1
4.313ValLys: 4.313 ± 0.076
6.571ValLeu: 6.571 ± 0.092
1.795ValMet: 1.795 ± 0.05
2.864ValAsn: 2.864 ± 0.057
2.595ValPro: 2.595 ± 0.059
2.359ValGln: 2.359 ± 0.066
2.371ValArg: 2.371 ± 0.064
4.261ValSer: 4.261 ± 0.079
4.471ValThr: 4.471 ± 0.083
4.949ValVal: 4.949 ± 0.09
0.508ValTrp: 0.508 ± 0.026
2.262ValTyr: 2.262 ± 0.061
0.0ValXaa: 0.0 ± 0.0
Trp
0.465TrpAla: 0.465 ± 0.026
0.065TrpCys: 0.065 ± 0.01
0.479TrpAsp: 0.479 ± 0.025
0.534TrpGlu: 0.534 ± 0.027
0.469TrpPhe: 0.469 ± 0.028
0.651TrpGly: 0.651 ± 0.033
0.182TrpHis: 0.182 ± 0.016
0.665TrpIle: 0.665 ± 0.031
0.562TrpLys: 0.562 ± 0.027
1.009TrpLeu: 1.009 ± 0.039
0.227TrpMet: 0.227 ± 0.019
0.495TrpAsn: 0.495 ± 0.029
0.219TrpPro: 0.219 ± 0.017
0.538TrpGln: 0.538 ± 0.028
0.398TrpArg: 0.398 ± 0.022
0.57TrpSer: 0.57 ± 0.027
0.481TrpThr: 0.481 ± 0.028
0.511TrpVal: 0.511 ± 0.027
0.114TrpTrp: 0.114 ± 0.012
0.312TrpTyr: 0.312 ± 0.021
0.0TrpXaa: 0.0 ± 0.0
Tyr
2.239TyrAla: 2.239 ± 0.048
0.289TyrCys: 0.289 ± 0.02
2.054TyrAsp: 2.054 ± 0.056
2.355TyrGlu: 2.355 ± 0.06
2.047TyrPhe: 2.047 ± 0.056
2.458TyrGly: 2.458 ± 0.065
0.848TyrHis: 0.848 ± 0.034
2.215TyrIle: 2.215 ± 0.055
1.712TyrLys: 1.712 ± 0.056
4.141TyrLeu: 4.141 ± 0.08
0.791TyrMet: 0.791 ± 0.035
1.439TyrAsn: 1.439 ± 0.049
1.447TyrPro: 1.447 ± 0.04
2.263TyrGln: 2.263 ± 0.066
1.723TyrArg: 1.723 ± 0.046
2.26TyrSer: 2.26 ± 0.057
1.9TyrThr: 1.9 ± 0.065
2.097TyrVal: 2.097 ± 0.058
0.358TyrTrp: 0.358 ± 0.022
1.626TyrTyr: 1.626 ± 0.053
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 2550 proteins (752147 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