Amino acid dipepetide frequency for Aspergillus udagawae

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
9.162AlaAla: 9.162 ± 0.057
1.091AlaCys: 1.091 ± 0.017
4.383AlaAsp: 4.383 ± 0.032
5.272AlaGlu: 5.272 ± 0.042
3.19AlaPhe: 3.19 ± 0.029
5.929AlaGly: 5.929 ± 0.042
1.811AlaHis: 1.811 ± 0.019
4.366AlaIle: 4.366 ± 0.031
3.898AlaLys: 3.898 ± 0.034
8.02AlaLeu: 8.02 ± 0.045
1.988AlaMet: 1.988 ± 0.019
2.97AlaAsn: 2.97 ± 0.024
4.571AlaPro: 4.571 ± 0.037
3.477AlaGln: 3.477 ± 0.032
5.054AlaArg: 5.054 ± 0.034
7.368AlaSer: 7.368 ± 0.041
5.322AlaThr: 5.322 ± 0.034
5.702AlaVal: 5.702 ± 0.034
1.195AlaTrp: 1.195 ± 0.016
2.244AlaTyr: 2.244 ± 0.022
0.0AlaXaa: 0.0 ± 0.0
Cys
0.969CysAla: 0.969 ± 0.014
0.236CysCys: 0.236 ± 0.008
0.687CysAsp: 0.687 ± 0.013
0.589CysGlu: 0.589 ± 0.011
0.541CysPhe: 0.541 ± 0.009
0.926CysGly: 0.926 ± 0.016
0.33CysHis: 0.33 ± 0.008
0.688CysIle: 0.688 ± 0.013
0.482CysLys: 0.482 ± 0.01
1.322CysLeu: 1.322 ± 0.017
0.265CysMet: 0.265 ± 0.007
0.429CysAsn: 0.429 ± 0.01
0.68CysPro: 0.68 ± 0.016
0.463CysGln: 0.463 ± 0.01
0.794CysArg: 0.794 ± 0.014
0.941CysSer: 0.941 ± 0.015
0.687CysThr: 0.687 ± 0.013
0.82CysVal: 0.82 ± 0.014
0.205CysTrp: 0.205 ± 0.006
0.355CysTyr: 0.355 ± 0.009
0.0CysXaa: 0.0 ± 0.0
Asp
4.708AspAla: 4.708 ± 0.029
0.635AspCys: 0.635 ± 0.012
3.841AspAsp: 3.841 ± 0.04
4.292AspGlu: 4.292 ± 0.042
2.197AspPhe: 2.197 ± 0.02
3.935AspGly: 3.935 ± 0.032
1.281AspHis: 1.281 ± 0.017
3.072AspIle: 3.072 ± 0.027
2.224AspLys: 2.224 ± 0.024
5.184AspLeu: 5.184 ± 0.035
1.209AspMet: 1.209 ± 0.015
1.833AspAsn: 1.833 ± 0.019
3.419AspPro: 3.419 ± 0.025
1.934AspGln: 1.934 ± 0.021
3.166AspArg: 3.166 ± 0.028
4.119AspSer: 4.119 ± 0.033
2.879AspThr: 2.879 ± 0.025
3.676AspVal: 3.676 ± 0.028
0.881AspTrp: 0.881 ± 0.014
1.664AspTyr: 1.664 ± 0.021
0.0AspXaa: 0.0 ± 0.0
Glu
5.316GluAla: 5.316 ± 0.042
0.628GluCys: 0.628 ± 0.011
4.054GluAsp: 4.054 ± 0.038
5.395GluGlu: 5.395 ± 0.057
1.938GluPhe: 1.938 ± 0.019
3.663GluGly: 3.663 ± 0.026
1.415GluHis: 1.415 ± 0.02
3.151GluIle: 3.151 ± 0.026
3.545GluLys: 3.545 ± 0.032
5.279GluLeu: 5.279 ± 0.039
1.439GluMet: 1.439 ± 0.017
2.305GluAsn: 2.305 ± 0.019
2.755GluPro: 2.755 ± 0.036
2.53GluGln: 2.53 ± 0.022
3.983GluArg: 3.983 ± 0.035
4.352GluSer: 4.352 ± 0.035
3.518GluThr: 3.518 ± 0.029
3.54GluVal: 3.54 ± 0.029
0.885GluTrp: 0.885 ± 0.014
1.702GluTyr: 1.702 ± 0.02
0.0GluXaa: 0.0 ± 0.0
Phe
3.136PheAla: 3.136 ± 0.025
0.57PheCys: 0.57 ± 0.011
2.286PheAsp: 2.286 ± 0.022
2.125PheGlu: 2.125 ± 0.021
1.662PhePhe: 1.662 ± 0.02
2.81PheGly: 2.81 ± 0.03
0.933PheHis: 0.933 ± 0.014
1.824PheIle: 1.824 ± 0.021
1.44PheLys: 1.44 ± 0.015
3.633PheLeu: 3.633 ± 0.032
0.762PheMet: 0.762 ± 0.012
1.42PheAsn: 1.42 ± 0.017
2.019PhePro: 2.019 ± 0.023
1.465PheGln: 1.465 ± 0.017
2.022PheArg: 2.022 ± 0.019
3.005PheSer: 3.005 ± 0.024
2.12PheThr: 2.12 ± 0.021
2.432PheVal: 2.432 ± 0.026
0.669PheTrp: 0.669 ± 0.012
1.153PheTyr: 1.153 ± 0.016
0.0PheXaa: 0.0 ± 0.0
Gly
5.367GlyAla: 5.367 ± 0.038
0.889GlyCys: 0.889 ± 0.015
3.588GlyAsp: 3.588 ± 0.027
3.56GlyGlu: 3.56 ± 0.026
2.794GlyPhe: 2.794 ± 0.025
5.306GlyGly: 5.306 ± 0.046
1.716GlyHis: 1.716 ± 0.022
3.53GlyIle: 3.53 ± 0.026
3.314GlyLys: 3.314 ± 0.028
6.179GlyLeu: 6.179 ± 0.041
1.522GlyMet: 1.522 ± 0.015
2.447GlyAsn: 2.447 ± 0.025
3.35GlyPro: 3.35 ± 0.029
2.672GlyGln: 2.672 ± 0.025
4.093GlyArg: 4.093 ± 0.033
5.64GlySer: 5.64 ± 0.039
3.969GlyThr: 3.969 ± 0.034
4.446GlyVal: 4.446 ± 0.034
1.192GlyTrp: 1.192 ± 0.017
2.177GlyTyr: 2.177 ± 0.024
0.0GlyXaa: 0.0 ± 0.0
His
1.902HisAla: 1.902 ± 0.019
0.338HisCys: 0.338 ± 0.01
1.302HisAsp: 1.302 ± 0.017
1.33HisGlu: 1.33 ± 0.016
0.941HisPhe: 0.941 ± 0.012
1.75HisGly: 1.75 ± 0.02
0.841HisHis: 0.841 ± 0.017
1.238HisIle: 1.238 ± 0.017
0.844HisLys: 0.844 ± 0.014
2.319HisLeu: 2.319 ± 0.023
0.482HisMet: 0.482 ± 0.008
0.836HisAsn: 0.836 ± 0.012
1.716HisPro: 1.716 ± 0.022
0.988HisGln: 0.988 ± 0.013
1.571HisArg: 1.571 ± 0.019
1.887HisSer: 1.887 ± 0.021
1.26HisThr: 1.26 ± 0.014
1.447HisVal: 1.447 ± 0.015
0.351HisTrp: 0.351 ± 0.008
0.732HisTyr: 0.732 ± 0.012
0.0HisXaa: 0.0 ± 0.0
Ile
4.309IleAla: 4.309 ± 0.031
0.782IleCys: 0.782 ± 0.012
2.835IleAsp: 2.835 ± 0.023
2.864IleGlu: 2.864 ± 0.023
2.061IlePhe: 2.061 ± 0.022
3.208IleGly: 3.208 ± 0.029
1.235IleHis: 1.235 ± 0.017
2.499IleIle: 2.499 ± 0.024
2.053IleLys: 2.053 ± 0.022
4.779IleLeu: 4.779 ± 0.036
0.981IleMet: 0.981 ± 0.014
1.795IleAsn: 1.795 ± 0.021
3.149IlePro: 3.149 ± 0.026
1.954IleGln: 1.954 ± 0.022
2.925IleArg: 2.925 ± 0.024
3.883IleSer: 3.883 ± 0.031
2.777IleThr: 2.777 ± 0.022
3.273IleVal: 3.273 ± 0.029
0.727IleTrp: 0.727 ± 0.013
1.475IleTyr: 1.475 ± 0.018
0.0IleXaa: 0.0 ± 0.0
Lys
4.036LysAla: 4.036 ± 0.031
0.486LysCys: 0.486 ± 0.011
2.675LysAsp: 2.675 ± 0.024
3.255LysGlu: 3.255 ± 0.034
1.383LysPhe: 1.383 ± 0.017
2.876LysGly: 2.876 ± 0.025
1.086LysHis: 1.086 ± 0.014
2.18LysIle: 2.18 ± 0.021
2.953LysLys: 2.953 ± 0.04
3.94LysLeu: 3.94 ± 0.032
0.923LysMet: 0.923 ± 0.015
1.667LysAsn: 1.667 ± 0.02
2.574LysPro: 2.574 ± 0.028
1.827LysGln: 1.827 ± 0.022
3.269LysArg: 3.269 ± 0.029
3.28LysSer: 3.28 ± 0.026
2.624LysThr: 2.624 ± 0.021
2.747LysVal: 2.747 ± 0.023
0.647LysTrp: 0.647 ± 0.012
1.375LysTyr: 1.375 ± 0.019
0.0LysXaa: 0.0 ± 0.0
Leu
8.196LeuAla: 8.196 ± 0.047
1.27LeuCys: 1.27 ± 0.016
5.278LeuAsp: 5.278 ± 0.035
5.61LeuGlu: 5.61 ± 0.043
3.438LeuPhe: 3.438 ± 0.03
6.033LeuGly: 6.033 ± 0.041
2.336LeuHis: 2.336 ± 0.024
4.112LeuIle: 4.112 ± 0.029
4.12LeuLys: 4.12 ± 0.031
8.838LeuLeu: 8.838 ± 0.065
1.793LeuMet: 1.793 ± 0.02
3.255LeuAsn: 3.255 ± 0.028
5.542LeuPro: 5.542 ± 0.034
4.01LeuGln: 4.01 ± 0.036
6.048LeuArg: 6.048 ± 0.042
7.648LeuSer: 7.648 ± 0.04
4.92LeuThr: 4.92 ± 0.034
5.648LeuVal: 5.648 ± 0.039
1.244LeuTrp: 1.244 ± 0.017
2.487LeuTyr: 2.487 ± 0.024
0.0LeuXaa: 0.0 ± 0.0
Met
2.141MetAla: 2.141 ± 0.019
0.235MetCys: 0.235 ± 0.007
1.207MetAsp: 1.207 ± 0.014
1.288MetGlu: 1.288 ± 0.018
0.728MetPhe: 0.728 ± 0.012
1.437MetGly: 1.437 ± 0.019
0.472MetHis: 0.472 ± 0.01
1.016MetIle: 1.016 ± 0.015
0.977MetLys: 0.977 ± 0.014
1.839MetLeu: 1.839 ± 0.019
0.558MetMet: 0.558 ± 0.012
0.783MetAsn: 0.783 ± 0.012
1.182MetPro: 1.182 ± 0.015
0.866MetGln: 0.866 ± 0.013
1.231MetArg: 1.231 ± 0.016
1.747MetSer: 1.747 ± 0.018
1.317MetThr: 1.317 ± 0.017
1.343MetVal: 1.343 ± 0.014
0.254MetTrp: 0.254 ± 0.006
0.529MetTyr: 0.529 ± 0.012
0.0MetXaa: 0.0 ± 0.0
Asn
3.175AsnAla: 3.175 ± 0.028
0.451AsnCys: 0.451 ± 0.01
1.897AsnAsp: 1.897 ± 0.019
1.999AsnGlu: 1.999 ± 0.021
1.351AsnPhe: 1.351 ± 0.015
2.956AsnGly: 2.956 ± 0.029
0.841AsnHis: 0.841 ± 0.013
2.014AsnIle: 2.014 ± 0.018
1.443AsnLys: 1.443 ± 0.017
3.299AsnLeu: 3.299 ± 0.024
0.79AsnMet: 0.79 ± 0.012
1.392AsnAsn: 1.392 ± 0.019
2.458AsnPro: 2.458 ± 0.024
1.321AsnGln: 1.321 ± 0.016
1.967AsnArg: 1.967 ± 0.021
2.631AsnSer: 2.631 ± 0.027
2.072AsnThr: 2.072 ± 0.021
2.347AsnVal: 2.347 ± 0.021
0.568AsnTrp: 0.568 ± 0.011
1.081AsnTyr: 1.081 ± 0.015
0.0AsnXaa: 0.0 ± 0.0
Pro
5.181ProAla: 5.181 ± 0.041
0.544ProCys: 0.544 ± 0.009
3.247ProAsp: 3.247 ± 0.028
3.821ProGlu: 3.821 ± 0.03
2.131ProPhe: 2.131 ± 0.022
3.923ProGly: 3.923 ± 0.032
1.325ProHis: 1.325 ± 0.018
2.488ProIle: 2.488 ± 0.022
2.459ProLys: 2.459 ± 0.021
4.855ProLeu: 4.855 ± 0.031
1.017ProMet: 1.017 ± 0.014
2.098ProAsn: 2.098 ± 0.021
4.73ProPro: 4.73 ± 0.059
2.416ProGln: 2.416 ± 0.028
3.357ProArg: 3.357 ± 0.032
6.163ProSer: 6.163 ± 0.047
3.744ProThr: 3.744 ± 0.033
3.711ProVal: 3.711 ± 0.027
0.767ProTrp: 0.767 ± 0.013
1.541ProTyr: 1.541 ± 0.02
0.0ProXaa: 0.0 ± 0.0
Gln
3.503GlnAla: 3.503 ± 0.031
0.472GlnCys: 0.472 ± 0.01
2.017GlnAsp: 2.017 ± 0.019
2.476GlnGlu: 2.476 ± 0.024
1.34GlnPhe: 1.34 ± 0.016
2.486GlnGly: 2.486 ± 0.026
1.065GlnHis: 1.065 ± 0.015
1.958GlnIle: 1.958 ± 0.019
1.98GlnLys: 1.98 ± 0.022
3.641GlnLeu: 3.641 ± 0.032
0.905GlnMet: 0.905 ± 0.014
1.536GlnAsn: 1.536 ± 0.018
2.508GlnPro: 2.508 ± 0.028
2.314GlnGln: 2.314 ± 0.042
2.691GlnArg: 2.691 ± 0.026
3.275GlnSer: 3.275 ± 0.032
2.377GlnThr: 2.377 ± 0.025
2.274GlnVal: 2.274 ± 0.022
0.607GlnTrp: 0.607 ± 0.011
1.17GlnTyr: 1.17 ± 0.016
0.0GlnXaa: 0.0 ± 0.0
Arg
4.816ArgAla: 4.816 ± 0.033
0.703ArgCys: 0.703 ± 0.012
3.351ArgAsp: 3.351 ± 0.034
3.918ArgGlu: 3.918 ± 0.031
2.249ArgPhe: 2.249 ± 0.02
3.598ArgGly: 3.598 ± 0.032
1.563ArgHis: 1.563 ± 0.019
2.996ArgIle: 2.996 ± 0.023
3.372ArgLys: 3.372 ± 0.031
5.803ArgLeu: 5.803 ± 0.035
1.322ArgMet: 1.322 ± 0.015
2.289ArgAsn: 2.289 ± 0.023
3.475ArgPro: 3.475 ± 0.031
2.695ArgGln: 2.695 ± 0.025
5.112ArgArg: 5.112 ± 0.041
4.838ArgSer: 4.838 ± 0.038
3.345ArgThr: 3.345 ± 0.029
3.548ArgVal: 3.548 ± 0.026
0.957ArgTrp: 0.957 ± 0.014
1.738ArgTyr: 1.738 ± 0.02
0.0ArgXaa: 0.0 ± 0.0
Ser
6.92SerAla: 6.92 ± 0.043
0.872SerCys: 0.872 ± 0.014
4.221SerAsp: 4.221 ± 0.031
4.217SerGlu: 4.217 ± 0.028
3.048SerPhe: 3.048 ± 0.022
5.577SerGly: 5.577 ± 0.034
1.986SerHis: 1.986 ± 0.019
4.002SerIle: 4.002 ± 0.032
3.566SerLys: 3.566 ± 0.028
7.533SerLeu: 7.533 ± 0.046
1.692SerMet: 1.692 ± 0.018
2.956SerAsn: 2.956 ± 0.026
5.386SerPro: 5.386 ± 0.05
3.397SerGln: 3.397 ± 0.032
5.082SerArg: 5.082 ± 0.041
8.76SerSer: 8.76 ± 0.071
5.49SerThr: 5.49 ± 0.042
4.798SerVal: 4.798 ± 0.03
1.158SerTrp: 1.158 ± 0.015
2.083SerTyr: 2.083 ± 0.02
0.0SerXaa: 0.0 ± 0.0
Thr
5.369ThrAla: 5.369 ± 0.035
0.729ThrCys: 0.729 ± 0.012
2.926ThrAsp: 2.926 ± 0.025
3.097ThrGlu: 3.097 ± 0.025
2.211ThrPhe: 2.211 ± 0.021
4.257ThrGly: 4.257 ± 0.032
1.251ThrHis: 1.251 ± 0.017
3.064ThrIle: 3.064 ± 0.029
2.437ThrLys: 2.437 ± 0.022
5.321ThrLeu: 5.321 ± 0.034
1.17ThrMet: 1.17 ± 0.015
1.997ThrAsn: 1.997 ± 0.021
4.11ThrPro: 4.11 ± 0.038
2.043ThrGln: 2.043 ± 0.021
3.03ThrArg: 3.03 ± 0.025
5.153ThrSer: 5.153 ± 0.043
4.095ThrThr: 4.095 ± 0.048
4.03ThrVal: 4.03 ± 0.029
0.858ThrTrp: 0.858 ± 0.015
1.64ThrTyr: 1.64 ± 0.017
0.0ThrXaa: 0.0 ± 0.0
Val
5.371ValAla: 5.371 ± 0.033
0.861ValCys: 0.861 ± 0.014
3.815ValAsp: 3.815 ± 0.029
3.859ValGlu: 3.859 ± 0.03
2.52ValPhe: 2.52 ± 0.028
4.028ValGly: 4.028 ± 0.036
1.461ValHis: 1.461 ± 0.017
3.118ValIle: 3.118 ± 0.026
2.832ValLys: 2.832 ± 0.027
5.83ValLeu: 5.83 ± 0.034
1.329ValMet: 1.329 ± 0.017
2.285ValAsn: 2.285 ± 0.024
3.7ValPro: 3.7 ± 0.027
2.524ValGln: 2.524 ± 0.026
3.606ValArg: 3.606 ± 0.029
4.901ValSer: 4.901 ± 0.028
3.65ValThr: 3.65 ± 0.031
4.368ValVal: 4.368 ± 0.041
0.875ValTrp: 0.875 ± 0.015
1.839ValTyr: 1.839 ± 0.018
0.0ValXaa: 0.0 ± 0.0
Trp
1.177TrpAla: 1.177 ± 0.018
0.192TrpCys: 0.192 ± 0.006
0.906TrpAsp: 0.906 ± 0.014
0.852TrpGlu: 0.852 ± 0.011
0.558TrpPhe: 0.558 ± 0.012
0.939TrpGly: 0.939 ± 0.015
0.359TrpHis: 0.359 ± 0.009
0.789TrpIle: 0.789 ± 0.015
0.787TrpLys: 0.787 ± 0.012
1.399TrpLeu: 1.399 ± 0.019
0.382TrpMet: 0.382 ± 0.008
0.631TrpAsn: 0.631 ± 0.011
0.608TrpPro: 0.608 ± 0.012
0.582TrpGln: 0.582 ± 0.011
0.986TrpArg: 0.986 ± 0.015
1.063TrpSer: 1.063 ± 0.015
0.953TrpThr: 0.953 ± 0.013
0.898TrpVal: 0.898 ± 0.013
0.281TrpTrp: 0.281 ± 0.008
0.45TrpTyr: 0.45 ± 0.01
0.0TrpXaa: 0.0 ± 0.0
Tyr
2.259TyrAla: 2.259 ± 0.023
0.425TyrCys: 0.425 ± 0.01
1.631TyrAsp: 1.631 ± 0.02
1.576TyrGlu: 1.576 ± 0.018
1.205TyrPhe: 1.205 ± 0.017
2.116TyrGly: 2.116 ± 0.024
0.769TyrHis: 0.769 ± 0.012
1.462TyrIle: 1.462 ± 0.017
1.075TyrLys: 1.075 ± 0.015
2.811TyrLeu: 2.811 ± 0.027
0.621TyrMet: 0.621 ± 0.011
1.128TyrAsn: 1.128 ± 0.018
1.589TyrPro: 1.589 ± 0.02
1.12TyrGln: 1.12 ± 0.016
1.702TyrArg: 1.702 ± 0.019
2.091TyrSer: 2.091 ± 0.023
1.667TyrThr: 1.667 ± 0.018
1.721TyrVal: 1.721 ± 0.018
0.467TyrTrp: 0.467 ± 0.009
0.983TyrTyr: 0.983 ± 0.018
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 9999 proteins (5324289 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