Amino acid dipepetide frequency for Bacillus sp. SGD-V-76

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
5.401AlaAla: 5.401 ± 0.093
0.633AlaCys: 0.633 ± 0.026
3.225AlaAsp: 3.225 ± 0.057
4.472AlaGlu: 4.472 ± 0.078
3.394AlaPhe: 3.394 ± 0.055
4.943AlaGly: 4.943 ± 0.08
1.395AlaHis: 1.395 ± 0.035
5.727AlaIle: 5.727 ± 0.088
4.887AlaLys: 4.887 ± 0.068
7.427AlaLeu: 7.427 ± 0.09
2.015AlaMet: 2.015 ± 0.044
2.847AlaAsn: 2.847 ± 0.053
2.064AlaPro: 2.064 ± 0.05
2.441AlaGln: 2.441 ± 0.049
2.514AlaArg: 2.514 ± 0.048
4.273AlaSer: 4.273 ± 0.065
3.709AlaThr: 3.709 ± 0.066
5.586AlaVal: 5.586 ± 0.079
0.578AlaTrp: 0.578 ± 0.025
2.554AlaTyr: 2.554 ± 0.046
0.0AlaXaa: 0.0 ± 0.0
Cys
0.471CysAla: 0.471 ± 0.024
0.12CysCys: 0.12 ± 0.012
0.352CysAsp: 0.352 ± 0.017
0.51CysGlu: 0.51 ± 0.023
0.32CysPhe: 0.32 ± 0.017
0.629CysGly: 0.629 ± 0.025
0.207CysHis: 0.207 ± 0.015
0.529CysIle: 0.529 ± 0.024
0.401CysLys: 0.401 ± 0.024
0.731CysLeu: 0.731 ± 0.028
0.19CysMet: 0.19 ± 0.014
0.289CysAsn: 0.289 ± 0.017
0.333CysPro: 0.333 ± 0.018
0.274CysGln: 0.274 ± 0.017
0.274CysArg: 0.274 ± 0.015
0.513CysSer: 0.513 ± 0.025
0.39CysThr: 0.39 ± 0.021
0.458CysVal: 0.458 ± 0.02
0.063CysTrp: 0.063 ± 0.007
0.281CysTyr: 0.281 ± 0.016
0.0CysXaa: 0.0 ± 0.0
Asp
3.13AspAla: 3.13 ± 0.059
0.36AspCys: 0.36 ± 0.021
2.342AspAsp: 2.342 ± 0.056
4.55AspGlu: 4.55 ± 0.069
2.25AspPhe: 2.25 ± 0.045
3.136AspGly: 3.136 ± 0.066
1.026AspHis: 1.026 ± 0.028
3.843AspIle: 3.843 ± 0.05
3.029AspLys: 3.029 ± 0.061
4.875AspLeu: 4.875 ± 0.074
1.292AspMet: 1.292 ± 0.033
1.767AspAsn: 1.767 ± 0.042
1.718AspPro: 1.718 ± 0.047
1.884AspGln: 1.884 ± 0.04
1.967AspArg: 1.967 ± 0.045
2.621AspSer: 2.621 ± 0.048
2.458AspThr: 2.458 ± 0.049
4.108AspVal: 4.108 ± 0.068
0.553AspTrp: 0.553 ± 0.022
2.11AspTyr: 2.11 ± 0.042
0.0AspXaa: 0.0 ± 0.0
Glu
5.629GluAla: 5.629 ± 0.079
0.432GluCys: 0.432 ± 0.021
3.571GluAsp: 3.571 ± 0.056
7.18GluGlu: 7.18 ± 0.116
2.586GluPhe: 2.586 ± 0.053
4.296GluGly: 4.296 ± 0.057
1.593GluHis: 1.593 ± 0.039
5.093GluIle: 5.093 ± 0.075
6.583GluLys: 6.583 ± 0.087
7.579GluLeu: 7.579 ± 0.103
2.212GluMet: 2.212 ± 0.042
3.457GluAsn: 3.457 ± 0.055
1.833GluPro: 1.833 ± 0.044
3.914GluGln: 3.914 ± 0.066
3.584GluArg: 3.584 ± 0.068
3.589GluSer: 3.589 ± 0.056
3.674GluThr: 3.674 ± 0.054
5.515GluVal: 5.515 ± 0.071
0.767GluTrp: 0.767 ± 0.029
2.328GluTyr: 2.328 ± 0.05
0.0GluXaa: 0.0 ± 0.0
Phe
2.839PheAla: 2.839 ± 0.057
0.347PheCys: 0.347 ± 0.018
2.213PheAsp: 2.213 ± 0.048
2.773PheGlu: 2.773 ± 0.054
2.359PhePhe: 2.359 ± 0.065
3.085PheGly: 3.085 ± 0.07
1.014PheHis: 1.014 ± 0.034
3.864PheIle: 3.864 ± 0.084
2.486PheLys: 2.486 ± 0.046
4.59PheLeu: 4.59 ± 0.093
1.148PheMet: 1.148 ± 0.03
1.846PheAsn: 1.846 ± 0.043
1.525PhePro: 1.525 ± 0.044
1.741PheGln: 1.741 ± 0.037
1.358PheArg: 1.358 ± 0.038
3.122PheSer: 3.122 ± 0.067
2.687PheThr: 2.687 ± 0.049
3.266PheVal: 3.266 ± 0.071
0.436PheTrp: 0.436 ± 0.02
1.753PheTyr: 1.753 ± 0.044
0.0PheXaa: 0.0 ± 0.0
Gly
4.892GlyAla: 4.892 ± 0.082
0.582GlyCys: 0.582 ± 0.025
3.134GlyAsp: 3.134 ± 0.059
4.321GlyGlu: 4.321 ± 0.069
3.257GlyPhe: 3.257 ± 0.063
4.62GlyGly: 4.62 ± 0.084
1.33GlyHis: 1.33 ± 0.039
5.69GlyIle: 5.69 ± 0.086
4.749GlyLys: 4.749 ± 0.073
6.374GlyLeu: 6.374 ± 0.098
1.985GlyMet: 1.985 ± 0.046
2.533GlyAsn: 2.533 ± 0.052
1.587GlyPro: 1.587 ± 0.041
2.264GlyGln: 2.264 ± 0.045
2.432GlyArg: 2.432 ± 0.047
3.719GlySer: 3.719 ± 0.06
3.931GlyThr: 3.931 ± 0.069
5.374GlyVal: 5.374 ± 0.082
0.734GlyTrp: 0.734 ± 0.028
2.841GlyTyr: 2.841 ± 0.048
0.0GlyXaa: 0.0 ± 0.0
His
1.267HisAla: 1.267 ± 0.036
0.208HisCys: 0.208 ± 0.013
1.087HisAsp: 1.087 ± 0.03
1.571HisGlu: 1.571 ± 0.037
1.021HisPhe: 1.021 ± 0.032
1.317HisGly: 1.317 ± 0.037
0.76HisHis: 0.76 ± 0.032
1.616HisIle: 1.616 ± 0.043
1.135HisLys: 1.135 ± 0.034
2.19HisLeu: 2.19 ± 0.044
0.517HisMet: 0.517 ± 0.021
0.827HisAsn: 0.827 ± 0.028
1.126HisPro: 1.126 ± 0.029
0.921HisGln: 0.921 ± 0.034
0.922HisArg: 0.922 ± 0.029
1.306HisSer: 1.306 ± 0.04
1.103HisThr: 1.103 ± 0.032
1.633HisVal: 1.633 ± 0.039
0.2HisTrp: 0.2 ± 0.015
0.928HisTyr: 0.928 ± 0.03
0.0HisXaa: 0.0 ± 0.0
Ile
5.804IleAla: 5.804 ± 0.088
0.664IleCys: 0.664 ± 0.026
4.144IleAsp: 4.144 ± 0.061
5.675IleGlu: 5.675 ± 0.081
2.979IlePhe: 2.979 ± 0.065
5.876IleGly: 5.876 ± 0.086
1.694IleHis: 1.694 ± 0.044
5.502IleIle: 5.502 ± 0.086
4.573IleLys: 4.573 ± 0.065
6.572IleLeu: 6.572 ± 0.096
1.714IleMet: 1.714 ± 0.043
3.206IleAsn: 3.206 ± 0.063
3.1IlePro: 3.1 ± 0.059
3.032IleGln: 3.032 ± 0.064
2.847IleArg: 2.847 ± 0.045
4.973IleSer: 4.973 ± 0.073
4.071IleThr: 4.071 ± 0.06
5.533IleVal: 5.533 ± 0.081
0.588IleTrp: 0.588 ± 0.026
2.387IleTyr: 2.387 ± 0.05
0.0IleXaa: 0.0 ± 0.0
Lys
5.08LysAla: 5.08 ± 0.079
0.338LysCys: 0.338 ± 0.017
3.714LysAsp: 3.714 ± 0.054
7.381LysGlu: 7.381 ± 0.084
1.83LysPhe: 1.83 ± 0.044
4.618LysGly: 4.618 ± 0.067
1.466LysHis: 1.466 ± 0.042
4.091LysIle: 4.091 ± 0.068
6.085LysLys: 6.085 ± 0.09
5.88LysLeu: 5.88 ± 0.071
2.117LysMet: 2.117 ± 0.044
3.101LysAsn: 3.101 ± 0.058
2.297LysPro: 2.297 ± 0.045
3.76LysGln: 3.76 ± 0.064
3.493LysArg: 3.493 ± 0.061
3.676LysSer: 3.676 ± 0.058
3.66LysThr: 3.66 ± 0.056
5.14LysVal: 5.14 ± 0.065
0.83LysTrp: 0.83 ± 0.03
2.094LysTyr: 2.094 ± 0.045
0.0LysXaa: 0.0 ± 0.0
Leu
7.389LeuAla: 7.389 ± 0.086
0.685LeuCys: 0.685 ± 0.028
4.613LeuAsp: 4.613 ± 0.068
6.426LeuGlu: 6.426 ± 0.085
4.94LeuPhe: 4.94 ± 0.101
6.291LeuGly: 6.291 ± 0.085
2.098LeuHis: 2.098 ± 0.047
6.914LeuIle: 6.914 ± 0.1
6.868LeuLys: 6.868 ± 0.099
10.302LeuLeu: 10.302 ± 0.135
2.416LeuMet: 2.416 ± 0.052
4.262LeuAsn: 4.262 ± 0.065
3.851LeuPro: 3.851 ± 0.063
4.202LeuGln: 4.202 ± 0.066
3.477LeuArg: 3.477 ± 0.062
7.005LeuSer: 7.005 ± 0.09
5.911LeuThr: 5.911 ± 0.081
6.708LeuVal: 6.708 ± 0.101
0.76LeuTrp: 0.76 ± 0.03
3.282LeuTyr: 3.282 ± 0.053
0.0LeuXaa: 0.0 ± 0.0
Met
1.798MetAla: 1.798 ± 0.038
0.157MetCys: 0.157 ± 0.011
1.282MetAsp: 1.282 ± 0.035
1.735MetGlu: 1.735 ± 0.043
1.058MetPhe: 1.058 ± 0.034
1.587MetGly: 1.587 ± 0.037
0.432MetHis: 0.432 ± 0.018
2.043MetIle: 2.043 ± 0.046
2.636MetLys: 2.636 ± 0.046
2.66MetLeu: 2.66 ± 0.057
0.888MetMet: 0.888 ± 0.034
1.689MetAsn: 1.689 ± 0.042
0.973MetPro: 0.973 ± 0.041
0.929MetGln: 0.929 ± 0.033
1.027MetArg: 1.027 ± 0.035
1.777MetSer: 1.777 ± 0.042
1.655MetThr: 1.655 ± 0.035
1.717MetVal: 1.717 ± 0.04
0.205MetTrp: 0.205 ± 0.014
0.799MetTyr: 0.799 ± 0.026
0.0MetXaa: 0.0 ± 0.0
Asn
2.622AsnAla: 2.622 ± 0.052
0.287AsnCys: 0.287 ± 0.016
2.176AsnAsp: 2.176 ± 0.049
3.697AsnGlu: 3.697 ± 0.056
1.538AsnPhe: 1.538 ± 0.036
3.189AsnGly: 3.189 ± 0.064
1.101AsnHis: 1.101 ± 0.032
3.15AsnIle: 3.15 ± 0.066
2.92AsnLys: 2.92 ± 0.061
3.894AsnLeu: 3.894 ± 0.06
1.139AsnMet: 1.139 ± 0.031
1.836AsnAsn: 1.836 ± 0.048
2.036AsnPro: 2.036 ± 0.048
2.219AsnGln: 2.219 ± 0.048
2.139AsnArg: 2.139 ± 0.042
2.264AsnSer: 2.264 ± 0.052
2.045AsnThr: 2.045 ± 0.044
3.183AsnVal: 3.183 ± 0.053
0.465AsnTrp: 0.465 ± 0.022
1.439AsnTyr: 1.439 ± 0.036
0.0AsnXaa: 0.0 ± 0.0
Pro
2.288ProAla: 2.288 ± 0.051
0.23ProCys: 0.23 ± 0.016
1.737ProAsp: 1.737 ± 0.048
2.576ProGlu: 2.576 ± 0.051
1.959ProPhe: 1.959 ± 0.041
2.041ProGly: 2.041 ± 0.048
0.808ProHis: 0.808 ± 0.028
2.731ProIle: 2.731 ± 0.061
2.17ProLys: 2.17 ± 0.04
3.528ProLeu: 3.528 ± 0.065
0.774ProMet: 0.774 ± 0.036
1.687ProAsn: 1.687 ± 0.051
0.969ProPro: 0.969 ± 0.039
1.148ProGln: 1.148 ± 0.035
1.044ProArg: 1.044 ± 0.036
2.338ProSer: 2.338 ± 0.046
2.19ProThr: 2.19 ± 0.042
2.74ProVal: 2.74 ± 0.059
0.292ProTrp: 0.292 ± 0.018
1.42ProTyr: 1.42 ± 0.039
0.0ProXaa: 0.0 ± 0.0
Gln
3.138GlnAla: 3.138 ± 0.051
0.208GlnCys: 0.208 ± 0.016
1.806GlnAsp: 1.806 ± 0.044
3.244GlnGlu: 3.244 ± 0.06
1.698GlnPhe: 1.698 ± 0.041
2.398GlnGly: 2.398 ± 0.055
0.976GlnHis: 0.976 ± 0.033
2.606GlnIle: 2.606 ± 0.048
3.174GlnLys: 3.174 ± 0.054
4.385GlnLeu: 4.385 ± 0.075
1.146GlnMet: 1.146 ± 0.036
1.604GlnAsn: 1.604 ± 0.042
1.393GlnPro: 1.393 ± 0.038
2.312GlnGln: 2.312 ± 0.055
1.663GlnArg: 1.663 ± 0.038
2.416GlnSer: 2.416 ± 0.049
2.324GlnThr: 2.324 ± 0.047
2.787GlnVal: 2.787 ± 0.053
0.444GlnTrp: 0.444 ± 0.019
1.492GlnTyr: 1.492 ± 0.035
0.0GlnXaa: 0.0 ± 0.0
Arg
2.321ArgAla: 2.321 ± 0.048
0.263ArgCys: 0.263 ± 0.016
1.965ArgAsp: 1.965 ± 0.049
3.019ArgGlu: 3.019 ± 0.058
1.851ArgPhe: 1.851 ± 0.046
2.193ArgGly: 2.193 ± 0.052
0.819ArgHis: 0.819 ± 0.027
2.954ArgIle: 2.954 ± 0.052
3.097ArgLys: 3.097 ± 0.052
3.865ArgLeu: 3.865 ± 0.069
1.219ArgMet: 1.219 ± 0.035
1.852ArgAsn: 1.852 ± 0.041
1.206ArgPro: 1.206 ± 0.038
1.555ArgGln: 1.555 ± 0.044
1.651ArgArg: 1.651 ± 0.043
2.247ArgSer: 2.247 ± 0.049
2.14ArgThr: 2.14 ± 0.046
2.733ArgVal: 2.733 ± 0.056
0.364ArgTrp: 0.364 ± 0.017
1.651ArgTyr: 1.651 ± 0.038
0.0ArgXaa: 0.0 ± 0.0
Ser
3.874SerAla: 3.874 ± 0.06
0.466SerCys: 0.466 ± 0.023
2.74SerAsp: 2.74 ± 0.056
4.023SerGlu: 4.023 ± 0.058
3.322SerPhe: 3.322 ± 0.059
4.118SerGly: 4.118 ± 0.064
1.281SerHis: 1.281 ± 0.038
5.024SerIle: 5.024 ± 0.077
4.02SerLys: 4.02 ± 0.06
6.478SerLeu: 6.478 ± 0.082
1.752SerMet: 1.752 ± 0.043
2.525SerAsn: 2.525 ± 0.05
2.152SerPro: 2.152 ± 0.048
2.227SerGln: 2.227 ± 0.042
2.134SerArg: 2.134 ± 0.048
4.236SerSer: 4.236 ± 0.071
3.439SerThr: 3.439 ± 0.059
4.305SerVal: 4.305 ± 0.059
0.586SerTrp: 0.586 ± 0.024
2.367SerTyr: 2.367 ± 0.044
0.0SerXaa: 0.0 ± 0.0
Thr
3.94ThrAla: 3.94 ± 0.056
0.398ThrCys: 0.398 ± 0.019
2.624ThrAsp: 2.624 ± 0.063
3.472ThrGlu: 3.472 ± 0.064
2.793ThrPhe: 2.793 ± 0.054
3.916ThrGly: 3.916 ± 0.062
1.107ThrHis: 1.107 ± 0.032
4.572ThrIle: 4.572 ± 0.062
3.75ThrLys: 3.75 ± 0.055
5.534ThrLeu: 5.534 ± 0.069
1.332ThrMet: 1.332 ± 0.041
2.61ThrAsn: 2.61 ± 0.047
2.305ThrPro: 2.305 ± 0.056
1.611ThrGln: 1.611 ± 0.04
1.793ThrArg: 1.793 ± 0.043
3.523ThrSer: 3.523 ± 0.061
3.068ThrThr: 3.068 ± 0.058
4.445ThrVal: 4.445 ± 0.074
0.522ThrTrp: 0.522 ± 0.022
2.181ThrTyr: 2.181 ± 0.047
0.0ThrXaa: 0.0 ± 0.0
Val
5.427ValAla: 5.427 ± 0.087
0.581ValCys: 0.581 ± 0.024
3.76ValAsp: 3.76 ± 0.069
5.278ValGlu: 5.278 ± 0.083
3.088ValPhe: 3.088 ± 0.064
4.998ValGly: 4.998 ± 0.07
1.484ValHis: 1.484 ± 0.034
5.764ValIle: 5.764 ± 0.086
5.105ValLys: 5.105 ± 0.079
7.008ValLeu: 7.008 ± 0.091
1.969ValMet: 1.969 ± 0.044
3.37ValAsn: 3.37 ± 0.054
2.65ValPro: 2.65 ± 0.052
2.911ValGln: 2.911 ± 0.052
2.669ValArg: 2.669 ± 0.05
4.777ValSer: 4.777 ± 0.07
4.442ValThr: 4.442 ± 0.064
5.759ValVal: 5.759 ± 0.097
0.644ValTrp: 0.644 ± 0.026
2.488ValTyr: 2.488 ± 0.055
0.0ValXaa: 0.0 ± 0.0
Trp
0.537TrpAla: 0.537 ± 0.024
0.089TrpCys: 0.089 ± 0.009
0.468TrpAsp: 0.468 ± 0.022
0.588TrpGlu: 0.588 ± 0.024
0.475TrpPhe: 0.475 ± 0.022
0.636TrpGly: 0.636 ± 0.025
0.22TrpHis: 0.22 ± 0.013
0.796TrpIle: 0.796 ± 0.027
0.744TrpLys: 0.744 ± 0.027
1.099TrpLeu: 1.099 ± 0.035
0.292TrpMet: 0.292 ± 0.018
0.542TrpAsn: 0.542 ± 0.024
0.243TrpPro: 0.243 ± 0.016
0.322TrpGln: 0.322 ± 0.016
0.362TrpArg: 0.362 ± 0.019
0.608TrpSer: 0.608 ± 0.024
0.47TrpThr: 0.47 ± 0.022
0.614TrpVal: 0.614 ± 0.024
0.138TrpTrp: 0.138 ± 0.012
0.31TrpTyr: 0.31 ± 0.018
0.0TrpXaa: 0.0 ± 0.0
Tyr
2.238TyrAla: 2.238 ± 0.051
0.29TyrCys: 0.29 ± 0.017
2.066TyrAsp: 2.066 ± 0.047
2.922TyrGlu: 2.922 ± 0.053
1.73TyrPhe: 1.73 ± 0.042
2.468TyrGly: 2.468 ± 0.047
0.848TyrHis: 0.848 ± 0.025
2.425TyrIle: 2.425 ± 0.042
2.234TyrLys: 2.234 ± 0.052
3.428TyrLeu: 3.428 ± 0.058
0.927TyrMet: 0.927 ± 0.026
1.488TyrAsn: 1.488 ± 0.035
1.311TyrPro: 1.311 ± 0.036
1.546TyrGln: 1.546 ± 0.036
1.616TyrArg: 1.616 ± 0.037
2.086TyrSer: 2.086 ± 0.043
2.129TyrThr: 2.129 ± 0.05
2.573TyrVal: 2.573 ± 0.045
0.38TyrTrp: 0.38 ± 0.021
1.48TyrTyr: 1.48 ± 0.043
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 3896 proteins (1084126 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