Amino acid dipepetide frequency for Human parechovirus 2 (strain Williamson) (HPeV-2) (Echovirus 23)

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
1.837AlaAla: 1.837 ± 0.0
1.377AlaCys: 1.377 ± 0.0
2.296AlaAsp: 2.296 ± 0.0
2.755AlaGlu: 2.755 ± 0.0
1.837AlaPhe: 1.837 ± 0.0
3.214AlaGly: 3.214 ± 0.0
0.918AlaHis: 0.918 ± 0.0
3.673AlaIle: 3.673 ± 0.0
2.755AlaLys: 2.755 ± 0.0
3.673AlaLeu: 3.673 ± 0.0
0.918AlaMet: 0.918 ± 0.0
1.837AlaAsn: 1.837 ± 0.0
1.837AlaPro: 1.837 ± 0.0
0.918AlaGln: 0.918 ± 0.0
0.459AlaArg: 0.459 ± 0.0
4.132AlaSer: 4.132 ± 0.0
4.591AlaThr: 4.591 ± 0.0
3.673AlaVal: 3.673 ± 0.0
1.377AlaTrp: 1.377 ± 0.0
3.214AlaTyr: 3.214 ± 0.0
0.0AlaXaa: 0.0 ± 0.0
Cys
0.459CysAla: 0.459 ± 0.0
0.0CysCys: 0.0 ± 0.0
0.918CysAsp: 0.918 ± 0.0
1.377CysGlu: 1.377 ± 0.0
0.918CysPhe: 0.918 ± 0.0
1.377CysGly: 1.377 ± 0.0
1.377CysHis: 1.377 ± 0.0
3.214CysIle: 3.214 ± 0.0
2.296CysLys: 2.296 ± 0.0
3.673CysLeu: 3.673 ± 0.0
0.0CysMet: 0.0 ± 0.0
0.918CysAsn: 0.918 ± 0.0
0.918CysPro: 0.918 ± 0.0
0.0CysGln: 0.0 ± 0.0
0.0CysArg: 0.0 ± 0.0
0.459CysSer: 0.459 ± 0.0
0.918CysThr: 0.918 ± 0.0
0.459CysVal: 0.459 ± 0.0
0.459CysTrp: 0.459 ± 0.0
1.377CysTyr: 1.377 ± 0.0
0.0CysXaa: 0.0 ± 0.0
Asp
2.296AspAla: 2.296 ± 0.0
1.837AspCys: 1.837 ± 0.0
5.51AspAsp: 5.51 ± 0.0
4.132AspGlu: 4.132 ± 0.0
2.296AspPhe: 2.296 ± 0.0
2.755AspGly: 2.755 ± 0.0
0.918AspHis: 0.918 ± 0.0
5.051AspIle: 5.051 ± 0.0
3.673AspLys: 3.673 ± 0.0
6.428AspLeu: 6.428 ± 0.0
1.837AspMet: 1.837 ± 0.0
3.214AspAsn: 3.214 ± 0.0
1.837AspPro: 1.837 ± 0.0
2.296AspGln: 2.296 ± 0.0
0.918AspArg: 0.918 ± 0.0
3.214AspSer: 3.214 ± 0.0
4.132AspThr: 4.132 ± 0.0
2.755AspVal: 2.755 ± 0.0
1.837AspTrp: 1.837 ± 0.0
3.673AspTyr: 3.673 ± 0.0
0.0AspXaa: 0.0 ± 0.0
Glu
2.296GluAla: 2.296 ± 0.0
0.918GluCys: 0.918 ± 0.0
1.377GluAsp: 1.377 ± 0.0
3.214GluGlu: 3.214 ± 0.0
3.214GluPhe: 3.214 ± 0.0
2.296GluGly: 2.296 ± 0.0
1.377GluHis: 1.377 ± 0.0
5.051GluIle: 5.051 ± 0.0
1.837GluLys: 1.837 ± 0.0
4.591GluLeu: 4.591 ± 0.0
1.837GluMet: 1.837 ± 0.0
1.377GluAsn: 1.377 ± 0.0
4.132GluPro: 4.132 ± 0.0
3.673GluGln: 3.673 ± 0.0
3.673GluArg: 3.673 ± 0.0
3.214GluSer: 3.214 ± 0.0
2.755GluThr: 2.755 ± 0.0
5.051GluVal: 5.051 ± 0.0
0.918GluTrp: 0.918 ± 0.0
0.459GluTyr: 0.459 ± 0.0
0.0GluXaa: 0.0 ± 0.0
Phe
1.837PheAla: 1.837 ± 0.0
0.459PheCys: 0.459 ± 0.0
0.918PheAsp: 0.918 ± 0.0
0.918PheGlu: 0.918 ± 0.0
2.755PhePhe: 2.755 ± 0.0
2.296PheGly: 2.296 ± 0.0
1.377PheHis: 1.377 ± 0.0
1.377PheIle: 1.377 ± 0.0
5.51PheLys: 5.51 ± 0.0
3.673PheLeu: 3.673 ± 0.0
0.918PheMet: 0.918 ± 0.0
2.755PheAsn: 2.755 ± 0.0
3.673PhePro: 3.673 ± 0.0
2.755PheGln: 2.755 ± 0.0
2.755PheArg: 2.755 ± 0.0
4.132PheSer: 4.132 ± 0.0
2.755PheThr: 2.755 ± 0.0
0.918PheVal: 0.918 ± 0.0
0.459PheTrp: 0.459 ± 0.0
1.837PheTyr: 1.837 ± 0.0
0.0PheXaa: 0.0 ± 0.0
Gly
2.296GlyAla: 2.296 ± 0.0
0.0GlyCys: 0.0 ± 0.0
3.214GlyAsp: 3.214 ± 0.0
2.755GlyGlu: 2.755 ± 0.0
2.296GlyPhe: 2.296 ± 0.0
2.296GlyGly: 2.296 ± 0.0
2.755GlyHis: 2.755 ± 0.0
5.51GlyIle: 5.51 ± 0.0
5.51GlyLys: 5.51 ± 0.0
4.591GlyLeu: 4.591 ± 0.0
1.377GlyMet: 1.377 ± 0.0
1.837GlyAsn: 1.837 ± 0.0
2.296GlyPro: 2.296 ± 0.0
2.755GlyGln: 2.755 ± 0.0
2.296GlyArg: 2.296 ± 0.0
6.887GlySer: 6.887 ± 0.0
3.214GlyThr: 3.214 ± 0.0
1.837GlyVal: 1.837 ± 0.0
0.0GlyTrp: 0.0 ± 0.0
3.214GlyTyr: 3.214 ± 0.0
0.0GlyXaa: 0.0 ± 0.0
His
1.377HisAla: 1.377 ± 0.0
0.459HisCys: 0.459 ± 0.0
1.377HisAsp: 1.377 ± 0.0
0.0HisGlu: 0.0 ± 0.0
0.918HisPhe: 0.918 ± 0.0
2.755HisGly: 2.755 ± 0.0
0.459HisHis: 0.459 ± 0.0
2.755HisIle: 2.755 ± 0.0
1.377HisLys: 1.377 ± 0.0
1.837HisLeu: 1.837 ± 0.0
0.459HisMet: 0.459 ± 0.0
1.377HisAsn: 1.377 ± 0.0
0.459HisPro: 0.459 ± 0.0
0.918HisGln: 0.918 ± 0.0
0.459HisArg: 0.459 ± 0.0
1.837HisSer: 1.837 ± 0.0
1.377HisThr: 1.377 ± 0.0
3.214HisVal: 3.214 ± 0.0
0.0HisTrp: 0.0 ± 0.0
1.837HisTyr: 1.837 ± 0.0
0.0HisXaa: 0.0 ± 0.0
Ile
3.214IleAla: 3.214 ± 0.0
1.377IleCys: 1.377 ± 0.0
5.051IleAsp: 5.051 ± 0.0
5.051IleGlu: 5.051 ± 0.0
4.132IlePhe: 4.132 ± 0.0
3.673IleGly: 3.673 ± 0.0
1.837IleHis: 1.837 ± 0.0
3.673IleIle: 3.673 ± 0.0
5.051IleLys: 5.051 ± 0.0
6.887IleLeu: 6.887 ± 0.0
1.837IleMet: 1.837 ± 0.0
1.837IleAsn: 1.837 ± 0.0
3.673IlePro: 3.673 ± 0.0
1.837IleGln: 1.837 ± 0.0
1.377IleArg: 1.377 ± 0.0
3.673IleSer: 3.673 ± 0.0
4.132IleThr: 4.132 ± 0.0
5.051IleVal: 5.051 ± 0.0
0.918IleTrp: 0.918 ± 0.0
2.755IleTyr: 2.755 ± 0.0
0.0IleXaa: 0.0 ± 0.0
Lys
1.837LysAla: 1.837 ± 0.0
1.377LysCys: 1.377 ± 0.0
4.591LysAsp: 4.591 ± 0.0
5.51LysGlu: 5.51 ± 0.0
3.673LysPhe: 3.673 ± 0.0
2.755LysGly: 2.755 ± 0.0
1.377LysHis: 1.377 ± 0.0
5.051LysIle: 5.051 ± 0.0
3.673LysLys: 3.673 ± 0.0
5.51LysLeu: 5.51 ± 0.0
1.377LysMet: 1.377 ± 0.0
3.214LysAsn: 3.214 ± 0.0
8.264LysPro: 8.264 ± 0.0
2.755LysGln: 2.755 ± 0.0
0.918LysArg: 0.918 ± 0.0
6.428LysSer: 6.428 ± 0.0
5.969LysThr: 5.969 ± 0.0
3.214LysVal: 3.214 ± 0.0
1.377LysTrp: 1.377 ± 0.0
4.132LysTyr: 4.132 ± 0.0
0.0LysXaa: 0.0 ± 0.0
Leu
3.673LeuAla: 3.673 ± 0.0
3.214LeuCys: 3.214 ± 0.0
5.51LeuAsp: 5.51 ± 0.0
5.051LeuGlu: 5.051 ± 0.0
2.755LeuPhe: 2.755 ± 0.0
4.591LeuGly: 4.591 ± 0.0
1.837LeuHis: 1.837 ± 0.0
5.051LeuIle: 5.051 ± 0.0
5.51LeuLys: 5.51 ± 0.0
6.887LeuLeu: 6.887 ± 0.0
3.673LeuMet: 3.673 ± 0.0
5.051LeuAsn: 5.051 ± 0.0
3.214LeuPro: 3.214 ± 0.0
2.755LeuGln: 2.755 ± 0.0
2.755LeuArg: 2.755 ± 0.0
9.183LeuSer: 9.183 ± 0.0
6.887LeuThr: 6.887 ± 0.0
7.346LeuVal: 7.346 ± 0.0
1.377LeuTrp: 1.377 ± 0.0
0.459LeuTyr: 0.459 ± 0.0
0.0LeuXaa: 0.0 ± 0.0
Met
4.132MetAla: 4.132 ± 0.0
1.377MetCys: 1.377 ± 0.0
3.214MetAsp: 3.214 ± 0.0
2.296MetGlu: 2.296 ± 0.0
0.0MetPhe: 0.0 ± 0.0
1.377MetGly: 1.377 ± 0.0
0.918MetHis: 0.918 ± 0.0
1.377MetIle: 1.377 ± 0.0
1.837MetLys: 1.837 ± 0.0
2.296MetLeu: 2.296 ± 0.0
0.918MetMet: 0.918 ± 0.0
1.377MetAsn: 1.377 ± 0.0
0.918MetPro: 0.918 ± 0.0
0.918MetGln: 0.918 ± 0.0
0.459MetArg: 0.459 ± 0.0
2.755MetSer: 2.755 ± 0.0
0.918MetThr: 0.918 ± 0.0
1.377MetVal: 1.377 ± 0.0
0.459MetTrp: 0.459 ± 0.0
0.459MetTyr: 0.459 ± 0.0
0.0MetXaa: 0.0 ± 0.0
Asn
1.837AsnAla: 1.837 ± 0.0
1.377AsnCys: 1.377 ± 0.0
3.214AsnAsp: 3.214 ± 0.0
2.755AsnGlu: 2.755 ± 0.0
3.214AsnPhe: 3.214 ± 0.0
1.837AsnGly: 1.837 ± 0.0
0.918AsnHis: 0.918 ± 0.0
2.755AsnIle: 2.755 ± 0.0
4.591AsnLys: 4.591 ± 0.0
4.591AsnLeu: 4.591 ± 0.0
0.918AsnMet: 0.918 ± 0.0
0.918AsnAsn: 0.918 ± 0.0
3.214AsnPro: 3.214 ± 0.0
2.296AsnGln: 2.296 ± 0.0
1.837AsnArg: 1.837 ± 0.0
5.051AsnSer: 5.051 ± 0.0
3.214AsnThr: 3.214 ± 0.0
2.755AsnVal: 2.755 ± 0.0
0.0AsnTrp: 0.0 ± 0.0
2.755AsnTyr: 2.755 ± 0.0
0.0AsnXaa: 0.0 ± 0.0
Pro
2.296ProAla: 2.296 ± 0.0
0.918ProCys: 0.918 ± 0.0
2.755ProAsp: 2.755 ± 0.0
1.377ProGlu: 1.377 ± 0.0
2.296ProPhe: 2.296 ± 0.0
1.837ProGly: 1.837 ± 0.0
0.918ProHis: 0.918 ± 0.0
3.214ProIle: 3.214 ± 0.0
2.296ProLys: 2.296 ± 0.0
3.214ProLeu: 3.214 ± 0.0
2.296ProMet: 2.296 ± 0.0
4.132ProAsn: 4.132 ± 0.0
0.459ProPro: 0.459 ± 0.0
0.459ProGln: 0.459 ± 0.0
1.377ProArg: 1.377 ± 0.0
5.051ProSer: 5.051 ± 0.0
2.755ProThr: 2.755 ± 0.0
4.132ProVal: 4.132 ± 0.0
0.0ProTrp: 0.0 ± 0.0
3.673ProTyr: 3.673 ± 0.0
0.0ProXaa: 0.0 ± 0.0
Gln
1.837GlnAla: 1.837 ± 0.0
0.459GlnCys: 0.459 ± 0.0
1.377GlnAsp: 1.377 ± 0.0
1.837GlnGlu: 1.837 ± 0.0
0.0GlnPhe: 0.0 ± 0.0
5.51GlnGly: 5.51 ± 0.0
2.296GlnHis: 2.296 ± 0.0
3.214GlnIle: 3.214 ± 0.0
1.377GlnLys: 1.377 ± 0.0
4.591GlnLeu: 4.591 ± 0.0
1.837GlnMet: 1.837 ± 0.0
1.837GlnAsn: 1.837 ± 0.0
0.918GlnPro: 0.918 ± 0.0
0.918GlnGln: 0.918 ± 0.0
2.296GlnArg: 2.296 ± 0.0
1.837GlnSer: 1.837 ± 0.0
2.755GlnThr: 2.755 ± 0.0
2.755GlnVal: 2.755 ± 0.0
0.0GlnTrp: 0.0 ± 0.0
0.459GlnTyr: 0.459 ± 0.0
0.0GlnXaa: 0.0 ± 0.0
Arg
2.296ArgAla: 2.296 ± 0.0
1.377ArgCys: 1.377 ± 0.0
1.377ArgAsp: 1.377 ± 0.0
1.837ArgGlu: 1.837 ± 0.0
1.377ArgPhe: 1.377 ± 0.0
2.755ArgGly: 2.755 ± 0.0
0.459ArgHis: 0.459 ± 0.0
2.296ArgIle: 2.296 ± 0.0
3.673ArgLys: 3.673 ± 0.0
3.673ArgLeu: 3.673 ± 0.0
1.377ArgMet: 1.377 ± 0.0
1.837ArgAsn: 1.837 ± 0.0
0.0ArgPro: 0.0 ± 0.0
0.918ArgGln: 0.918 ± 0.0
0.918ArgArg: 0.918 ± 0.0
0.918ArgSer: 0.918 ± 0.0
1.377ArgThr: 1.377 ± 0.0
2.755ArgVal: 2.755 ± 0.0
0.459ArgTrp: 0.459 ± 0.0
0.459ArgTyr: 0.459 ± 0.0
0.0ArgXaa: 0.0 ± 0.0
Ser
4.591SerAla: 4.591 ± 0.0
1.377SerCys: 1.377 ± 0.0
5.51SerAsp: 5.51 ± 0.0
1.837SerGlu: 1.837 ± 0.0
2.296SerPhe: 2.296 ± 0.0
4.591SerGly: 4.591 ± 0.0
1.377SerHis: 1.377 ± 0.0
2.755SerIle: 2.755 ± 0.0
6.887SerLys: 6.887 ± 0.0
5.051SerLeu: 5.051 ± 0.0
3.673SerMet: 3.673 ± 0.0
3.673SerAsn: 3.673 ± 0.0
3.673SerPro: 3.673 ± 0.0
3.673SerGln: 3.673 ± 0.0
1.837SerArg: 1.837 ± 0.0
6.887SerSer: 6.887 ± 0.0
8.264SerThr: 8.264 ± 0.0
6.428SerVal: 6.428 ± 0.0
0.459SerTrp: 0.459 ± 0.0
2.755SerTyr: 2.755 ± 0.0
0.0SerXaa: 0.0 ± 0.0
Thr
4.591ThrAla: 4.591 ± 0.0
0.918ThrCys: 0.918 ± 0.0
2.296ThrAsp: 2.296 ± 0.0
3.673ThrGlu: 3.673 ± 0.0
3.214ThrPhe: 3.214 ± 0.0
5.051ThrGly: 5.051 ± 0.0
1.837ThrHis: 1.837 ± 0.0
5.969ThrIle: 5.969 ± 0.0
5.51ThrLys: 5.51 ± 0.0
5.51ThrLeu: 5.51 ± 0.0
0.459ThrMet: 0.459 ± 0.0
5.051ThrAsn: 5.051 ± 0.0
3.673ThrPro: 3.673 ± 0.0
2.296ThrGln: 2.296 ± 0.0
3.214ThrArg: 3.214 ± 0.0
4.132ThrSer: 4.132 ± 0.0
8.264ThrThr: 8.264 ± 0.0
5.051ThrVal: 5.051 ± 0.0
1.377ThrTrp: 1.377 ± 0.0
1.377ThrTyr: 1.377 ± 0.0
0.0ThrXaa: 0.0 ± 0.0
Val
2.755ValAla: 2.755 ± 0.0
0.459ValCys: 0.459 ± 0.0
5.969ValAsp: 5.969 ± 0.0
4.132ValGlu: 4.132 ± 0.0
2.755ValPhe: 2.755 ± 0.0
2.755ValGly: 2.755 ± 0.0
1.837ValHis: 1.837 ± 0.0
1.837ValIle: 1.837 ± 0.0
6.887ValLys: 6.887 ± 0.0
5.051ValLeu: 5.051 ± 0.0
1.377ValMet: 1.377 ± 0.0
5.051ValAsn: 5.051 ± 0.0
1.837ValPro: 1.837 ± 0.0
3.214ValGln: 3.214 ± 0.0
1.837ValArg: 1.837 ± 0.0
3.214ValSer: 3.214 ± 0.0
5.051ValThr: 5.051 ± 0.0
4.591ValVal: 4.591 ± 0.0
0.459ValTrp: 0.459 ± 0.0
4.591ValTyr: 4.591 ± 0.0
0.0ValXaa: 0.0 ± 0.0
Trp
0.459TrpAla: 0.459 ± 0.0
0.0TrpCys: 0.0 ± 0.0
0.459TrpAsp: 0.459 ± 0.0
1.377TrpGlu: 1.377 ± 0.0
0.918TrpPhe: 0.918 ± 0.0
0.459TrpGly: 0.459 ± 0.0
0.459TrpHis: 0.459 ± 0.0
0.918TrpIle: 0.918 ± 0.0
0.459TrpLys: 0.459 ± 0.0
1.377TrpLeu: 1.377 ± 0.0
1.377TrpMet: 1.377 ± 0.0
0.459TrpAsn: 0.459 ± 0.0
0.0TrpPro: 0.0 ± 0.0
0.459TrpGln: 0.459 ± 0.0
0.459TrpArg: 0.459 ± 0.0
0.918TrpSer: 0.918 ± 0.0
0.918TrpThr: 0.918 ± 0.0
0.459TrpVal: 0.459 ± 0.0
0.459TrpTrp: 0.459 ± 0.0
0.0TrpTyr: 0.0 ± 0.0
0.0TrpXaa: 0.0 ± 0.0
Tyr
1.377TyrAla: 1.377 ± 0.0
1.837TyrCys: 1.837 ± 0.0
4.132TyrAsp: 4.132 ± 0.0
1.377TyrGlu: 1.377 ± 0.0
3.214TyrPhe: 3.214 ± 0.0
2.755TyrGly: 2.755 ± 0.0
0.0TyrHis: 0.0 ± 0.0
2.296TyrIle: 2.296 ± 0.0
2.296TyrLys: 2.296 ± 0.0
3.673TyrLeu: 3.673 ± 0.0
0.459TyrMet: 0.459 ± 0.0
2.296TyrAsn: 2.296 ± 0.0
0.459TyrPro: 0.459 ± 0.0
2.296TyrGln: 2.296 ± 0.0
2.296TyrArg: 2.296 ± 0.0
3.673TyrSer: 3.673 ± 0.0
3.214TyrThr: 3.214 ± 0.0
1.837TyrVal: 1.837 ± 0.0
0.0TyrTrp: 0.0 ± 0.0
0.918TyrTyr: 0.918 ± 0.0
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 1 proteins (2179 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