Amino acid dipepetide frequency for Streptomyces sp. DvalAA-14

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
23.811AlaAla: 23.811 ± 0.194
1.03AlaCys: 1.03 ± 0.022
8.813AlaAsp: 8.813 ± 0.072
8.043AlaGlu: 8.043 ± 0.081
3.529AlaPhe: 3.529 ± 0.043
14.411AlaGly: 14.411 ± 0.106
2.821AlaHis: 2.821 ± 0.037
3.604AlaIle: 3.604 ± 0.037
2.607AlaLys: 2.607 ± 0.045
14.154AlaLeu: 14.154 ± 0.103
2.43AlaMet: 2.43 ± 0.037
2.192AlaAsn: 2.192 ± 0.035
7.509AlaPro: 7.509 ± 0.082
3.995AlaGln: 3.995 ± 0.046
10.229AlaArg: 10.229 ± 0.082
6.341AlaSer: 6.341 ± 0.061
7.51AlaThr: 7.51 ± 0.075
12.34AlaVal: 12.34 ± 0.093
1.812AlaTrp: 1.812 ± 0.029
2.794AlaTyr: 2.794 ± 0.038
0.0AlaXaa: 0.0 ± 0.0
Cys
1.069CysAla: 1.069 ± 0.025
0.099CysCys: 0.099 ± 0.006
0.445CysAsp: 0.445 ± 0.015
0.348CysGlu: 0.348 ± 0.013
0.206CysPhe: 0.206 ± 0.009
0.944CysGly: 0.944 ± 0.023
0.184CysHis: 0.184 ± 0.009
0.148CysIle: 0.148 ± 0.009
0.093CysLys: 0.093 ± 0.007
0.748CysLeu: 0.748 ± 0.02
0.11CysMet: 0.11 ± 0.007
0.176CysAsn: 0.176 ± 0.011
0.474CysPro: 0.474 ± 0.017
0.166CysGln: 0.166 ± 0.009
0.569CysArg: 0.569 ± 0.017
0.459CysSer: 0.459 ± 0.015
0.548CysThr: 0.548 ± 0.016
0.616CysVal: 0.616 ± 0.016
0.145CysTrp: 0.145 ± 0.009
0.157CysTyr: 0.157 ± 0.009
0.0CysXaa: 0.0 ± 0.0
Asp
7.587AspAla: 7.587 ± 0.069
0.414AspCys: 0.414 ± 0.017
3.453AspAsp: 3.453 ± 0.045
3.401AspGlu: 3.401 ± 0.048
1.676AspPhe: 1.676 ± 0.03
6.406AspGly: 6.406 ± 0.062
1.42AspHis: 1.42 ± 0.026
1.988AspIle: 1.988 ± 0.029
1.035AspLys: 1.035 ± 0.026
6.237AspLeu: 6.237 ± 0.061
0.767AspMet: 0.767 ± 0.018
1.086AspAsn: 1.086 ± 0.026
4.865AspPro: 4.865 ± 0.056
1.744AspGln: 1.744 ± 0.028
4.853AspArg: 4.853 ± 0.057
2.789AspSer: 2.789 ± 0.043
3.379AspThr: 3.379 ± 0.048
4.342AspVal: 4.342 ± 0.042
1.014AspTrp: 1.014 ± 0.021
1.202AspTyr: 1.202 ± 0.022
0.0AspXaa: 0.0 ± 0.0
Glu
6.494GluAla: 6.494 ± 0.064
0.301GluCys: 0.301 ± 0.011
2.478GluAsp: 2.478 ± 0.035
2.762GluGlu: 2.762 ± 0.047
1.372GluPhe: 1.372 ± 0.026
3.605GluGly: 3.605 ± 0.046
1.433GluHis: 1.433 ± 0.027
2.063GluIle: 2.063 ± 0.034
1.011GluLys: 1.011 ± 0.026
6.269GluLeu: 6.269 ± 0.073
0.792GluMet: 0.792 ± 0.019
0.927GluAsn: 0.927 ± 0.022
3.237GluPro: 3.237 ± 0.041
2.269GluGln: 2.269 ± 0.029
4.682GluArg: 4.682 ± 0.054
2.344GluSer: 2.344 ± 0.032
2.6GluThr: 2.6 ± 0.035
4.093GluVal: 4.093 ± 0.045
0.642GluTrp: 0.642 ± 0.017
0.937GluTyr: 0.937 ± 0.02
0.001GluXaa: 0.001 ± 0.001
Phe
3.696PheAla: 3.696 ± 0.038
0.272PheCys: 0.272 ± 0.01
1.923PheAsp: 1.923 ± 0.032
1.303PheGlu: 1.303 ± 0.029
0.866PhePhe: 0.866 ± 0.022
3.015PheGly: 3.015 ± 0.039
0.64PheHis: 0.64 ± 0.017
0.731PheIle: 0.731 ± 0.018
0.465PheLys: 0.465 ± 0.017
2.48PheLeu: 2.48 ± 0.037
0.384PheMet: 0.384 ± 0.015
0.589PheAsn: 0.589 ± 0.015
1.412PhePro: 1.412 ± 0.025
0.709PheGln: 0.709 ± 0.017
1.781PheArg: 1.781 ± 0.026
1.557PheSer: 1.557 ± 0.031
2.151PheThr: 2.151 ± 0.033
2.084PheVal: 2.084 ± 0.03
0.409PheTrp: 0.409 ± 0.013
0.587PheTyr: 0.587 ± 0.018
0.0PheXaa: 0.0 ± 0.0
Gly
11.739GlyAla: 11.739 ± 0.095
0.839GlyCys: 0.839 ± 0.021
5.211GlyAsp: 5.211 ± 0.05
4.584GlyGlu: 4.584 ± 0.048
2.911GlyPhe: 2.911 ± 0.04
9.601GlyGly: 9.601 ± 0.088
2.363GlyHis: 2.363 ± 0.037
3.446GlyIle: 3.446 ± 0.047
2.28GlyLys: 2.28 ± 0.038
9.279GlyLeu: 9.279 ± 0.064
1.851GlyMet: 1.851 ± 0.03
1.941GlyAsn: 1.941 ± 0.038
5.846GlyPro: 5.846 ± 0.061
2.976GlyGln: 2.976 ± 0.042
8.001GlyArg: 8.001 ± 0.07
6.06GlySer: 6.06 ± 0.06
6.758GlyThr: 6.758 ± 0.072
7.308GlyVal: 7.308 ± 0.064
1.77GlyTrp: 1.77 ± 0.035
2.407GlyTyr: 2.407 ± 0.037
0.0GlyXaa: 0.0 ± 0.0
His
2.648HisAla: 2.648 ± 0.034
0.203HisCys: 0.203 ± 0.008
1.348HisAsp: 1.348 ± 0.027
1.063HisGlu: 1.063 ± 0.022
0.662HisPhe: 0.662 ± 0.016
2.349HisGly: 2.349 ± 0.035
0.72HisHis: 0.72 ± 0.021
0.702HisIle: 0.702 ± 0.018
0.326HisLys: 0.326 ± 0.013
2.429HisLeu: 2.429 ± 0.035
0.321HisMet: 0.321 ± 0.012
0.395HisAsn: 0.395 ± 0.011
1.882HisPro: 1.882 ± 0.027
0.713HisGln: 0.713 ± 0.021
2.079HisArg: 2.079 ± 0.035
1.075HisSer: 1.075 ± 0.023
1.382HisThr: 1.382 ± 0.025
1.543HisVal: 1.543 ± 0.025
0.395HisTrp: 0.395 ± 0.015
0.515HisTyr: 0.515 ± 0.017
0.0HisXaa: 0.0 ± 0.0
Ile
4.774IleAla: 4.774 ± 0.054
0.289IleCys: 0.289 ± 0.012
2.23IleAsp: 2.23 ± 0.034
1.913IleGlu: 1.913 ± 0.034
0.725IlePhe: 0.725 ± 0.02
3.789IleGly: 3.789 ± 0.045
0.621IleHis: 0.621 ± 0.016
0.907IleIle: 0.907 ± 0.023
0.657IleLys: 0.657 ± 0.02
2.353IleLeu: 2.353 ± 0.038
0.43IleMet: 0.43 ± 0.013
0.74IleAsn: 0.74 ± 0.02
1.81IlePro: 1.81 ± 0.032
0.767IleGln: 0.767 ± 0.019
2.333IleArg: 2.333 ± 0.033
1.864IleSer: 1.864 ± 0.029
2.42IleThr: 2.42 ± 0.033
2.636IleVal: 2.636 ± 0.041
0.406IleTrp: 0.406 ± 0.013
0.55IleTyr: 0.55 ± 0.016
0.0IleXaa: 0.0 ± 0.0
Lys
2.601LysAla: 2.601 ± 0.046
0.12LysCys: 0.12 ± 0.008
1.15LysAsp: 1.15 ± 0.024
0.893LysGlu: 0.893 ± 0.023
0.444LysPhe: 0.444 ± 0.016
1.546LysGly: 1.546 ± 0.034
0.402LysHis: 0.402 ± 0.016
0.777LysIle: 0.777 ± 0.021
0.644LysLys: 0.644 ± 0.021
1.798LysLeu: 1.798 ± 0.033
0.322LysMet: 0.322 ± 0.013
0.499LysAsn: 0.499 ± 0.017
1.233LysPro: 1.233 ± 0.028
0.614LysGln: 0.614 ± 0.016
1.257LysArg: 1.257 ± 0.025
1.074LysSer: 1.074 ± 0.026
1.184LysThr: 1.184 ± 0.027
1.659LysVal: 1.659 ± 0.032
0.225LysTrp: 0.225 ± 0.01
0.427LysTyr: 0.427 ± 0.015
0.0LysXaa: 0.0 ± 0.0
Leu
15.079LeuAla: 15.079 ± 0.102
0.741LeuCys: 0.741 ± 0.017
6.668LeuAsp: 6.668 ± 0.056
4.179LeuGlu: 4.179 ± 0.053
2.524LeuPhe: 2.524 ± 0.038
8.903LeuGly: 8.903 ± 0.074
2.296LeuHis: 2.296 ± 0.032
3.42LeuIle: 3.42 ± 0.049
1.68LeuLys: 1.68 ± 0.034
11.122LeuLeu: 11.122 ± 0.1
1.488LeuMet: 1.488 ± 0.029
1.788LeuAsn: 1.788 ± 0.032
6.727LeuPro: 6.727 ± 0.056
2.246LeuGln: 2.246 ± 0.034
8.586LeuArg: 8.586 ± 0.073
5.38LeuSer: 5.38 ± 0.047
6.839LeuThr: 6.839 ± 0.059
8.129LeuVal: 8.129 ± 0.073
1.289LeuTrp: 1.289 ± 0.028
1.856LeuTyr: 1.856 ± 0.031
0.0LeuXaa: 0.0 ± 0.0
Met
2.146MetAla: 2.146 ± 0.032
0.13MetCys: 0.13 ± 0.007
0.882MetAsp: 0.882 ± 0.02
0.662MetGlu: 0.662 ± 0.015
0.41MetPhe: 0.41 ± 0.014
1.184MetGly: 1.184 ± 0.028
0.349MetHis: 0.349 ± 0.012
0.628MetIle: 0.628 ± 0.016
0.375MetLys: 0.375 ± 0.013
1.574MetLeu: 1.574 ± 0.028
0.279MetMet: 0.279 ± 0.013
0.437MetAsn: 0.437 ± 0.014
1.062MetPro: 1.062 ± 0.02
0.432MetGln: 0.432 ± 0.012
1.351MetArg: 1.351 ± 0.024
1.298MetSer: 1.298 ± 0.026
1.479MetThr: 1.479 ± 0.025
1.168MetVal: 1.168 ± 0.031
0.202MetTrp: 0.202 ± 0.011
0.297MetTyr: 0.297 ± 0.01
0.0MetXaa: 0.0 ± 0.0
Asn
2.409AsnAla: 2.409 ± 0.03
0.177AsnCys: 0.177 ± 0.009
0.97AsnAsp: 0.97 ± 0.023
0.789AsnGlu: 0.789 ± 0.019
0.491AsnPhe: 0.491 ± 0.016
2.176AsnGly: 2.176 ± 0.041
0.403AsnHis: 0.403 ± 0.013
0.669AsnIle: 0.669 ± 0.017
0.387AsnLys: 0.387 ± 0.016
1.738AsnLeu: 1.738 ± 0.032
0.28AsnMet: 0.28 ± 0.011
0.531AsnAsn: 0.531 ± 0.02
1.436AsnPro: 1.436 ± 0.028
0.626AsnGln: 0.626 ± 0.019
1.279AsnArg: 1.279 ± 0.022
1.164AsnSer: 1.164 ± 0.028
1.263AsnThr: 1.263 ± 0.029
1.404AsnVal: 1.404 ± 0.028
0.347AsnTrp: 0.347 ± 0.015
0.455AsnTyr: 0.455 ± 0.015
0.0AsnXaa: 0.0 ± 0.0
Pro
10.085ProAla: 10.085 ± 0.102
0.362ProCys: 0.362 ± 0.015
4.683ProAsp: 4.683 ± 0.05
3.788ProGlu: 3.788 ± 0.049
1.514ProPhe: 1.514 ± 0.028
7.272ProGly: 7.272 ± 0.066
1.378ProHis: 1.378 ± 0.028
1.429ProIle: 1.429 ± 0.027
1.067ProLys: 1.067 ± 0.026
5.422ProLeu: 5.422 ± 0.061
0.958ProMet: 0.958 ± 0.021
1.024ProAsn: 1.024 ± 0.021
4.154ProPro: 4.154 ± 0.058
1.962ProGln: 1.962 ± 0.028
4.034ProArg: 4.034 ± 0.045
3.354ProSer: 3.354 ± 0.047
3.449ProThr: 3.449 ± 0.048
5.526ProVal: 5.526 ± 0.055
0.922ProTrp: 0.922 ± 0.022
1.444ProTyr: 1.444 ± 0.029
0.0ProXaa: 0.0 ± 0.0
Gln
4.008GlnAla: 4.008 ± 0.04
0.186GlnCys: 0.186 ± 0.01
1.601GlnAsp: 1.601 ± 0.03
1.419GlnGlu: 1.419 ± 0.026
0.734GlnPhe: 0.734 ± 0.017
2.461GlnGly: 2.461 ± 0.034
0.724GlnHis: 0.724 ± 0.019
1.169GlnIle: 1.169 ± 0.023
0.551GlnLys: 0.551 ± 0.018
3.194GlnLeu: 3.194 ± 0.04
0.492GlnMet: 0.492 ± 0.013
0.582GlnAsn: 0.582 ± 0.017
1.931GlnPro: 1.931 ± 0.038
1.457GlnGln: 1.457 ± 0.033
2.472GlnArg: 2.472 ± 0.034
1.448GlnSer: 1.448 ± 0.027
1.517GlnThr: 1.517 ± 0.031
2.566GlnVal: 2.566 ± 0.033
0.526GlnTrp: 0.526 ± 0.016
0.639GlnTyr: 0.639 ± 0.019
0.0GlnXaa: 0.0 ± 0.0
Arg
9.791ArgAla: 9.791 ± 0.086
0.602ArgCys: 0.602 ± 0.017
4.151ArgAsp: 4.151 ± 0.053
4.139ArgGlu: 4.139 ± 0.057
2.215ArgPhe: 2.215 ± 0.033
5.932ArgGly: 5.932 ± 0.059
2.066ArgHis: 2.066 ± 0.031
3.283ArgIle: 3.283 ± 0.041
1.435ArgLys: 1.435 ± 0.027
8.661ArgLeu: 8.661 ± 0.075
1.697ArgMet: 1.697 ± 0.025
1.289ArgAsn: 1.289 ± 0.026
5.268ArgPro: 5.268 ± 0.063
2.491ArgGln: 2.491 ± 0.033
7.786ArgArg: 7.786 ± 0.077
4.161ArgSer: 4.161 ± 0.049
5.249ArgThr: 5.249 ± 0.053
5.531ArgVal: 5.531 ± 0.05
1.455ArgTrp: 1.455 ± 0.024
1.752ArgTyr: 1.752 ± 0.031
0.0ArgXaa: 0.0 ± 0.0
Ser
7.449SerAla: 7.449 ± 0.066
0.452SerCys: 0.452 ± 0.014
2.825SerAsp: 2.825 ± 0.038
2.166SerGlu: 2.166 ± 0.031
1.588SerPhe: 1.588 ± 0.028
6.522SerGly: 6.522 ± 0.062
1.048SerHis: 1.048 ± 0.021
1.551SerIle: 1.551 ± 0.03
0.922SerLys: 0.922 ± 0.021
4.816SerLeu: 4.816 ± 0.041
0.995SerMet: 0.995 ± 0.02
1.023SerAsn: 1.023 ± 0.025
3.471SerPro: 3.471 ± 0.045
1.407SerGln: 1.407 ± 0.027
3.851SerArg: 3.851 ± 0.045
3.344SerSer: 3.344 ± 0.054
3.515SerThr: 3.515 ± 0.049
4.35SerVal: 4.35 ± 0.046
1.026SerTrp: 1.026 ± 0.021
1.352SerTyr: 1.352 ± 0.028
0.0SerXaa: 0.0 ± 0.0
Thr
9.761ThrAla: 9.761 ± 0.083
0.456ThrCys: 0.456 ± 0.016
3.725ThrAsp: 3.725 ± 0.045
2.935ThrGlu: 2.935 ± 0.043
1.716ThrPhe: 1.716 ± 0.027
7.24ThrGly: 7.24 ± 0.072
1.175ThrHis: 1.175 ± 0.022
1.771ThrIle: 1.771 ± 0.028
1.096ThrLys: 1.096 ± 0.025
5.678ThrLeu: 5.678 ± 0.057
0.943ThrMet: 0.943 ± 0.021
1.155ThrAsn: 1.155 ± 0.03
4.254ThrPro: 4.254 ± 0.047
1.506ThrGln: 1.506 ± 0.03
3.897ThrArg: 3.897 ± 0.043
3.5ThrSer: 3.5 ± 0.051
4.287ThrThr: 4.287 ± 0.081
6.283ThrVal: 6.283 ± 0.059
0.924ThrTrp: 0.924 ± 0.023
1.419ThrTyr: 1.419 ± 0.036
0.0ThrXaa: 0.0 ± 0.0
Val
10.501ValAla: 10.501 ± 0.082
0.706ValCys: 0.706 ± 0.018
4.695ValAsp: 4.695 ± 0.048
4.152ValGlu: 4.152 ± 0.055
2.335ValPhe: 2.335 ± 0.035
6.454ValGly: 6.454 ± 0.053
1.897ValHis: 1.897 ± 0.029
2.862ValIle: 2.862 ± 0.043
1.584ValLys: 1.584 ± 0.033
9.105ValLeu: 9.105 ± 0.077
1.312ValMet: 1.312 ± 0.023
1.699ValAsn: 1.699 ± 0.032
5.198ValPro: 5.198 ± 0.05
2.183ValGln: 2.183 ± 0.031
6.774ValArg: 6.774 ± 0.059
4.327ValSer: 4.327 ± 0.048
5.706ValThr: 5.706 ± 0.052
7.487ValVal: 7.487 ± 0.08
1.078ValTrp: 1.078 ± 0.024
1.583ValTyr: 1.583 ± 0.03
0.0ValXaa: 0.0 ± 0.0
Trp
1.636TrpAla: 1.636 ± 0.027
0.14TrpCys: 0.14 ± 0.007
0.817TrpAsp: 0.817 ± 0.021
0.667TrpGlu: 0.667 ± 0.019
0.487TrpPhe: 0.487 ± 0.016
1.07TrpGly: 1.07 ± 0.022
0.406TrpHis: 0.406 ± 0.013
0.561TrpIle: 0.561 ± 0.016
0.314TrpLys: 0.314 ± 0.011
1.711TrpLeu: 1.711 ± 0.032
0.267TrpMet: 0.267 ± 0.011
0.437TrpAsn: 0.437 ± 0.015
0.864TrpPro: 0.864 ± 0.022
0.677TrpGln: 0.677 ± 0.017
1.293TrpArg: 1.293 ± 0.023
1.073TrpSer: 1.073 ± 0.024
1.16TrpThr: 1.16 ± 0.025
0.971TrpVal: 0.971 ± 0.023
0.358TrpTrp: 0.358 ± 0.014
0.387TrpTyr: 0.387 ± 0.013
0.0TrpXaa: 0.0 ± 0.0
Tyr
2.69TyrAla: 2.69 ± 0.035
0.183TyrCys: 0.183 ± 0.01
1.589TyrAsp: 1.589 ± 0.04
1.104TyrGlu: 1.104 ± 0.022
0.652TyrPhe: 0.652 ± 0.017
2.294TyrGly: 2.294 ± 0.033
0.403TyrHis: 0.403 ± 0.013
0.504TyrIle: 0.504 ± 0.015
0.34TyrLys: 0.34 ± 0.013
2.171TyrLeu: 2.171 ± 0.032
0.226TyrMet: 0.226 ± 0.01
0.485TyrAsn: 0.485 ± 0.018
1.192TyrPro: 1.192 ± 0.027
0.738TyrGln: 0.738 ± 0.019
1.846TyrArg: 1.846 ± 0.03
1.063TyrSer: 1.063 ± 0.022
1.326TyrThr: 1.326 ± 0.029
1.602TyrVal: 1.602 ± 0.026
0.352TyrTrp: 0.352 ± 0.013
0.471TyrTyr: 0.471 ± 0.016
0.0TyrXaa: 0.0 ± 0.0
Xaa
0.0XaaAla: 0.0 ± 0.001
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 ± 0.001
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 7187 proteins (2276258 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