2NNOA

Structure of inhibitor binding to carbonic anhydrase ii
Warning
  • Chain breaks within knot 31 (displayed as a gray area on the plot and as '-' on the sequence). The broken part of the chain has been replaced by a straight segment, which may affect what knot types are detected - be careful with interpreting results.
Genus: 76
Alphaknot: P00918
Knot K +31

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Knot core range Knot core length Knot tails range Slipknot tails range Slipknot loops range N-end length C-end length Type
view details
+31 26-256 231 1-25, 257-260 25 4 knot
Chain Sequence
SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLE-VTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASFK
Note, that the numbers in the matrix denote the consecutive residues in the loop, not the index of amino acids in the chain!
Knot K 3x +31

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Knot core range Knot core length Knot tails range Slipknot tails range Slipknot loops range N-end length C-end length Type
+ 31 24-256 233 1-23, 257-260 23 4 knot
Fingerprint Knot forming loop Loop type
K +31
Chain closureSer2 <-> Lys261
... His96 <->
Bridging ionZn262
<-> His94 ... Ser2		 probabilistic
K +31 Ser2 ... His96 <->
Bridging ionZn262
<-> His119 ...
Chain closureLys261 <-> Ser2
 probabilistic
K +31 Ser2 ... His94 <->
Bridging ionZn262
<-> His119 ...
Chain closureLys261 <-> Ser2
 probabilistic
Chain Sequence
SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLE-VTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASFK
Whole chain analysis

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Subchain analysis 

Knotoid cutoff: 0.5


Knotoid matrix content: 1


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Knot core range Knot core length Knot tails range Slipknot tails range Slipknot loops range N-end length C-end length Type
view details
3.1 27-257 231 1-26, 258-259 26 2 knot
view details
2.1 26-253 228 1-25 258-259 254-257 25 2 slipknot
sequence length 259
structure length 258
publication title Structural Analysis of Charge Discrimination in the Binding of Inhibitors to Human Carbonic Anhydrases I and II.
pubmed doi rcsb
molecule tags Lyase
molecule keywords Carbonic anhydrase 2
source organism Homo sapiens
missing residues 204
total genus Genus: 76
ec nomenclature ec 4.2.1.1: Carbonate dehydratase.
pdb deposition date 2006-10-24
KnotProt deposition date 2018-10-20

pfam database annotations

chain Pfam Accession Code Pfam Family Identifier Pfam Description
A PF00194 Carb_anhydrase Eukaryotic-type carbonic anhydrase
Image from the rcsb pdb (www.rcsb.org)
cath code
ClassArchitectureTopologyHomologyDomain
3.10.200.10 Alpha Beta Roll Carbonic Anhydrase II Carbonic Anhydrase II 2nnoA00
3.10.200.10 Alpha Beta Roll Carbonic Anhydrase II Carbonic Anhydrase II 2nnoA00
3MHOA 1YDBA 2NNGA 1CVEA 2Q1BA 3N2PA 2HOCA 1TG3A 3R17B 1HUGA 3IBUA 1HEBA 3DVBA 3MHCA 1DMYA 1Y7WA 2Q38A 2OSMA 2GD8A 3OIMA 2HFXA 1G48A 3KKXA 1CINA 1I9PA 3IEOA 2VVAX 3BL1A 2NNOA 3M5EA 1CNHA 3M2NA 1XEVA 2F14A 3C7PA 2NWZA 1CAOA 2FNNA 3K34A 1CVDA 3IGPA 1THKA 1RZBA 9CA2A 3MHIA 3F7UA 2GEHA 3MMFA 1AZMA 3NI5A 3MNAA 1FSRA 3DC9A 1YO2A 1CCUA 3OIKA 1G46A 1CAKA 1FR4A 1Z97A 2HFYA 1RZCA 3PYKA 1G4OA 2NN7A 1I9MA 1KWRA 3MZCA 2HKKA 2CBBA 3DCSA 1KOQA 1YO0A 3DAZA 1IF4A 3KWAA 3IQKA 3MNJA 1IF5A 2NWYA 1CNWA 1OKNA 1OQ5A 1CA2A 1G53A 1F2WA 1CVAA 1BNWA 2NWPA 1FR7A 1CRMA 3HKTA 1CIMA 2FOSA 1AVNA 2POWA 3JXHC 1I9QA 2FOUA 1CVBA 1G4JA 3M5SA 1G6VA 2HL4A 2CBAA 1CVHA 2CABA 1I90A 2IT4A 3R16A 1TEUX 1G0EA 2FW4A 2AX2A 1CILA 1CVCA 1I9OA 3M67A 3HLJA 3CAJA 3BETA 2O4ZA 1YDDA 2FMGA 3OKVA 3DVCA 1MUAA 1UGBA 3CZVA 1CAYA 1BZMA 2FNKA 1HUHA 3MWOA 1BN4A 1CZMA 1UGEA 2ABEA 3D0NA 1FQNA 3JXFA 12CAA 1FSNA 1XQ0A 1H9QA 3MHMA 3IBNA 3EFIA 1FQRA 1V9IC 1A42A 5CACA 3DV7A 1CA3A 1ZSAA 3DD0A 2AW1A 4CA2A 2EU3A 1G52A 1IF8A 1TBTX 1CNXA 2X7TA 3DC3A 3KOKA 2WEGA 1CNIA 3IBIA 3KIGA 1BNUA 3M98A 1JV0A 1BN1A 1CANA 3DA2A 1LUGA 3N3JA 1KWQA 3L14A 3M5TA 1T9NA 1ZE8A 1HCBA 1UGAA 3D92A 1J9WA 1BICA 1FQLA 1I9NA 2WD3A 1CNGA 1G45A 3FE4A 1RJ5A 2FMZA 3EFTA 3MDZA 3ML5A 3M40A 1BCDA 1HCAA 1RAYA 3B4FA 1CAMA 3LXEA 1ZNCA 1LGDA 3M1WA 1CNCA 1H9NA 2FOQA 1XEGA 3D8WA 2WEOA 3HFPA 1AM6A 1TTMA 1OKMA 1CALA 1I91A 3IBLA 2NXRA 2ILIA 4PYYA 3F4XA 3ZNCA 1CAHA 1V9EA 1RAZA 1BNTA 1IF6A 1BNVA 3DVDA 3M96A 2NMXA 3JXGA 3HKUA 1I9LA 1BNQA 1LG5A 3K7KA 3M1JA 5CA2A 3NJ9A 3PO6A 3BL0A 1H4NA 4CACA 2CBCA 3GZ0A 1G3ZA 2HD6A 1ZSBA 2WEJA 1TH9A 3MYQA 1G0FA 3KS3A 2CBDA 3D93A 1UGDA 3IAIA 1XPZA 2NNVA 1YDCA 3KONA 3B1BA 1CNYA 1RZAA 2EZ7A 3MNIA 2H15A 2OSFA 2WEHA 3MNHA 1FLJA 3P4VA 1CAJA 6CA2A 2NNSA 3F7BA 3FW3A 1URTA 1ZSCA 1RZDA 1CAIA 1BV3A 2X7SA 3DCCA 2ZNCA 3OILA 3MHLA 3N4BA 1HVAA 1UGFA 2CA2A 1FQMA 1JD0A 1CAZA 1BNMA 1BNNA 1TG9A 1KEQA 2NXTA 7CA2A 3HKQA 3D9ZA 1IF7A 2HNCA 1Z93A 1CNJA 3M2ZA 1HEAA 2FNMA 1DCBA 1HEDA 2EU2A 3F8EA 2VVBX 1LZVA 2Q1QA 1YO1A 1CRAA 3CA2A 1DCAA 2WD2A 1TE3X 2HFWA 1YDAA 3DD8A 1RZEA 8CA2A 1LG6A 2NN1A 1CCTA 1EOUA 3HS4A 1BN3A 3MNUA 1HECA 1CCSA 2NXSA 2CBEA 3M1QA 3DBUA 2POUA 3N0NA 3M3XA 3FFPX 2W2JA 3DCWA 3MNKA 1RJ6A 1CVFA 1KOPA 3K2FA 3ML2A 2X7UA 1I8ZA 2POVA 1G1DA 2NWOA 3OKUA 3M2YA 3HKNA 1IF9A 1FSQA
chains in the KnotProt database with same CATH superfamily
3MHOA 1YDBA 2NNGA 1CVEA 2Q1BA 3N2PA 2HOCA 1TG3A 3R17B 1HUGA 3IBUA 1HEBA 3DVBA 3MHCA 1DMYA 1Y7WA 2Q38A 2OSMA 2GD8A 3OIMA 2HFXA 1G48A 3KKXA 1CINA 1I9PA 3IEOA 2VVAX 3BL1A 2NNOA 3M5EA 1CNHA 3M2NA 1XEVA 2F14A 3C7PA 2NWZA 1CAOA 2FNNA 3K34A 1CVDA 3IGPA 1THKA 1RZBA 9CA2A 3MHIA 3F7UA 2GEHA 3MMFA 1AZMA 3NI5A 3MNAA 1FSRA 3DC9A 1YO2A 1CCUA 3OIKA 1G46A 1CAKA 1FR4A 1Z97A 2HFYA 1RZCA 3PYKA 1G4OA 2NN7A 1I9MA 1KWRA 3MZCA 2HKKA 2CBBA 3DCSA 1KOQA 1YO0A 3DAZA 1IF4A 3KWAA 3IQKA 3MNJA 1IF5A 2NWYA 1CNWA 1OKNA 1OQ5A 1CA2A 1G53A 1F2WA 1CVAA 1BNWA 2NWPA 1FR7A 1CRMA 3HKTA 1CIMA 2FOSA 1AVNA 2POWA 3JXHC 1I9QA 2FOUA 1CVBA 1G4JA 3M5SA 1G6VA 2HL4A 2CBAA 1CVHA 2CABA 1I90A 2IT4A 3R16A 1TEUX 1G0EA 2FW4A 2AX2A 1CILA 1CVCA 1I9OA 3M67A 3HLJA 3CAJA 3BETA 2O4ZA 1YDDA 2FMGA 3OKVA 3DVCA 1MUAA 1UGBA 3CZVA 1CAYA 1BZMA 2FNKA 1HUHA 3MWOA 1BN4A 1CZMA 1UGEA 2ABEA 3D0NA 1FQNA 3JXFA 12CAA 1FSNA 1XQ0A 1H9QA 3MHMA 3IBNA 3EFIA 1FQRA 1V9IC 1A42A 5CACA 3DV7A 1CA3A 1ZSAA 3DD0A 2AW1A 4CA2A 2EU3A 1G52A 1IF8A 1TBTX 1CNXA 2X7TA 3DC3A 3KOKA 2WEGA 1CNIA 3IBIA 3KIGA 1BNUA 3M98A 1JV0A 1BN1A 1CANA 3DA2A 1LUGA 3N3JA 1KWQA 3L14A 3M5TA 1T9NA 1ZE8A 1HCBA 1UGAA 3D92A 1J9WA 1BICA 1FQLA 1I9NA 2WD3A 1CNGA 1G45A 3FE4A 1RJ5A 2FMZA 3EFTA 3MDZA 3ML5A 3M40A 1BCDA 1HCAA 1RAYA 3B4FA 1CAMA 3LXEA 1ZNCA 1LGDA 3M1WA 1CNCA 1H9NA 2FOQA 1XEGA 3D8WA 2WEOA 3HFPA 1AM6A 1TTMA 1OKMA 1CALA 1I91A 3IBLA 2NXRA 2ILIA 4PYYA 3F4XA 3ZNCA 1CAHA 1V9EA 1RAZA 1BNTA 1IF6A 1BNVA 3DVDA 3M96A 2NMXA 3JXGA 3HKUA 1I9LA 1BNQA 1LG5A 3K7KA 3M1JA 5CA2A 3NJ9A 3PO6A 3BL0A 1H4NA 4CACA 2CBCA 3GZ0A 1G3ZA 2HD6A 1ZSBA 2WEJA 1TH9A 3MYQA 1G0FA 3KS3A 2CBDA 3D93A 1UGDA 3IAIA 1XPZA 2NNVA 1YDCA 3KONA 3B1BA 1CNYA 1RZAA 2EZ7A 3MNIA 2H15A 2OSFA 2WEHA 3MNHA 1FLJA 3P4VA 1CAJA 6CA2A 2NNSA 3F7BA 3FW3A 1URTA 1ZSCA 1RZDA 1CAIA 1BV3A 2X7SA 3DCCA 2ZNCA 3OILA 3MHLA 3N4BA 1HVAA 1UGFA 2CA2A 1FQMA 1JD0A 1CAZA 1BNMA 1BNNA 1TG9A 1KEQA 2NXTA 7CA2A 3HKQA 3D9ZA 1IF7A 2HNCA 1Z93A 1CNJA 3M2ZA 1HEAA 2FNMA 1DCBA 1HEDA 2EU2A 3F8EA 2VVBX 1LZVA 2Q1QA 1YO1A 1CRAA 3CA2A 1DCAA 2WD2A 1TE3X 2HFWA 1YDAA 3DD8A 1RZEA 8CA2A 1LG6A 2NN1A 1CCTA 1EOUA 3HS4A 1BN3A 3MNUA 1HECA 1CCSA 2NXSA 2CBEA 3M1QA 3DBUA 2POUA 3N0NA 3M3XA 3FFPX 2W2JA 3DCWA 3MNKA 1RJ6A 1CVFA 1KOPA 3K2FA 3ML2A 2X7UA 1I8ZA 2POVA 1G1DA 2NWOA 3OKUA 3M2YA 3HKNA 1IF9A 1FSQA
chains in the KnotProt database with same CATH topology
3MHOA 1YDBA 2NNGA 1CVEA 2Q1BA 3N2PA 2HOCA 1TG3A 3R17B 1HUGA 3IBUA 1HEBA 3DVBA 3MHCA 1DMYA 1Y7WA 2Q38A 2OSMA 2GD8A 3OIMA 2HFXA 1G48A 3KKXA 1CINA 1I9PA 3IEOA 2VVAX 3BL1A 2NNOA 3M5EA 1CNHA 3M2NA 1XEVA 2F14A 3C7PA 2NWZA 1CAOA 2FNNA 3K34A 1CVDA 3IGPA 1THKA 1RZBA 9CA2A 3MHIA 3F7UA 2GEHA 3MMFA 1AZMA 3NI5A 3MNAA 1FSRA 3DC9A 1YO2A 1CCUA 3OIKA 1G46A 1CAKA 1FR4A 1Z97A 2HFYA 1RZCA 3PYKA 1G4OA 2NN7A 1I9MA 1KWRA 3MZCA 2HKKA 2CBBA 3DCSA 1KOQA 1YO0A 3DAZA 1IF4A 3KWAA 3IQKA 3MNJA 1IF5A 2NWYA 1CNWA 1OKNA 1OQ5A 1CA2A 1G53A 1F2WA 1CVAA 1BNWA 2NWPA 1FR7A 1CRMA 3HKTA 1CIMA 2FOSA 1AVNA 2POWA 3JXHC 1I9QA 2FOUA 1CVBA 1G4JA 3M5SA 1G6VA 2HL4A 2CBAA 1CVHA 2CABA 1I90A 2IT4A 3R16A 1TEUX 1G0EA 2FW4A 2AX2A 1CILA 1CVCA 1I9OA 3M67A 3HLJA 3CAJA 3BETA 2O4ZA 1YDDA 2FMGA 3OKVA 3DVCA 1MUAA 1UGBA 3CZVA 1CAYA 1BZMA 2FNKA 1HUHA 3MWOA 1BN4A 1CZMA 1UGEA 2ABEA 3D0NA 1FQNA 3JXFA 12CAA 1FSNA 1XQ0A 1H9QA 3MHMA 3IBNA 3EFIA 1FQRA 1V9IC 1A42A 5CACA 3DV7A 1CA3A 1ZSAA 3DD0A 2AW1A 4CA2A 2EU3A 1G52A 1IF8A 1TBTX 1CNXA 2X7TA 3DC3A 3KOKA 2WEGA 1CNIA 3IBIA 3KIGA 1BNUA 3M98A 1JV0A 1BN1A 1CANA 3DA2A 1LUGA 3N3JA 1KWQA 3L14A 3M5TA 1T9NA 1ZE8A 1HCBA 1UGAA 3D92A 1J9WA 1BICA 1FQLA 1I9NA 2WD3A 1CNGA 1G45A 3FE4A 1RJ5A 2FMZA 3EFTA 3MDZA 3ML5A 3M40A 1BCDA 1HCAA 1RAYA 3B4FA 1CAMA 3LXEA 1ZNCA 1LGDA 3M1WA 1CNCA 1H9NA 2FOQA 1XEGA 3D8WA 2WEOA 3HFPA 1AM6A 1TTMA 1OKMA 1CALA 1I91A 3IBLA 2NXRA 2ILIA 3F4XA 3ZNCA 1CAHA 1V9EA 1RAZA 1BNTA 1IF6A 1BNVA 3DVDA 3M96A 2NMXA 3JXGA 3HKUA 1I9LA 1BNQA 1LG5A 3K7KA 3M1JA 5CA2A 3NJ9A 3PO6A 3BL0A 1H4NA 4CACA 2CBCA 3GZ0A 1G3ZA 2HD6A 1ZSBA 2WEJA 1TH9A 3MYQA 1G0FA 3KS3A 2CBDA 3D93A 1UGDA 3IAIA 1XPZA 2NNVA 1YDCA 3KONA 3B1BA 1CNYA 1RZAA 2EZ7A 3MNIA 2H15A 2OSFA 2WEHA 3MNHA 1FLJA 3P4VA 1CAJA 6CA2A 2NNSA 3F7BA 3FW3A 1URTA 1ZSCA 1RZDA 1CAIA 1BV3A 2X7SA 3DCCA 2ZNCA 3OILA 3MHLA 3N4BA 1HVAA 1UGFA 2CA2A 1FQMA 1JD0A 1CAZA 1BNMA 1BNNA 1TG9A 1KEQA 2NXTA 7CA2A 3HKQA 3D9ZA 1IF7A 2HNCA 1Z93A 1CNJA 3M2ZA 1HEAA 2FNMA 1DCBA 1HEDA 2EU2A 3F8EA 2VVBX 1LZVA 2Q1QA 1YO1A 1CRAA 3CA2A 1DCAA 2WD2A 1TE3X 2HFWA 1YDAA 3DD8A 1RZEA 8CA2A 1LG6A 2NN1A 1CCTA 1EOUA 3HS4A 1BN3A 3MNUA 1HECA 1CCSA 2NXSA 2CBEA 3M1QA 3DBUA 2POUA 3N0NA 3M3XA 3FFPX 2W2JA 3DCWA 3MNKA 1RJ6A 1CVFA 1KOPA 3K2FA 3ML2A 2X7UA 1I8ZA 2POVA 1G1DA 2NWOA 3OKUA 3M2YA 3HKNA 1IF9A 1FSQA
chains in the KnotProt database with same CATH homology

  
#chains in the KnotProt database with same CATH superfamily
 3MHO A;  1YDB A;  2NNG A;  1CVE A;  2Q1B A;  3N2P A;  2HOC A;  1TG3 A;  3R17 B;  1HUG A;  3IBU A;  1HEB A;  3DVB A;  3MHC A;  1DMY A;  1Y7W A;  2Q38 A;  2OSM A;  2GD8 A;  3OIM A;  2HFX A;  1G48 A;  3KKX A;  1CIN A;  1I9P A;  3IEO A;  2VVA X;  3BL1 A;  2NNO A;  3M5E A;  1CNH A;  3M2N A;  1XEV A;  2F14 A;  3C7P A;  2NWZ A;  1CAO A;  2FNN A;  3K34 A;  1CVD A;  3IGP A;  1THK A;  1RZB A;  9CA2 A;  3MHI A;  3F7U A;  2GEH A;  3MMF A;  1AZM A;  3NI5 A;  3MNA A;  1FSR A;  3DC9 A;  1YO2 A;  1CCU A;  3OIK A;  1G46 A;  1CAK A;  1FR4 A;  1Z97 A;  2HFY A;  1RZC A;  3PYK A;  1G4O A;  2NN7 A;  1I9M A;  1KWR A;  3MZC A;  2HKK A;  2CBB A;  3DCS A;  1KOQ A;  1YO0 A;  3DAZ A;  1IF4 A;  3KWA A;  3IQK A;  3MNJ A;  1IF5 A;  2NWY A;  1CNW A;  1OKN A;  1OQ5 A;  1CA2 A;  1G53 A;  1F2W A;  1CVA A;  1BNW A;  2NWP A;  1FR7 A;  1CRM A;  3HKT A;  1CIM A;  2FOS A;  1AVN A;  2POW A;  3JXH C;  1I9Q A;  2FOU A;  1CVB A;  1G4J A;  3M5S A;  1G6V A;  2HL4 A;  2CBA A;  1CVH A;  2CAB A;  1I90 A;  2IT4 A;  3R16 A;  1TEU X;  1G0E A;  2FW4 A;  2AX2 A;  1CIL A;  1CVC A;  1I9O A;  3M67 A;  3HLJ A;  3CAJ A;  3BET A;  2O4Z A;  1YDD A;  2FMG A;  3OKV A;  3DVC A;  1MUA A;  1UGB A;  3CZV A;  1CAY A;  1BZM A;  2FNK A;  1HUH A;  3MWO A;  1BN4 A;  1CZM A;  1UGE A;  2ABE A;  3D0N A;  1FQN A;  3JXF A;  12CA A;  1FSN A;  1XQ0 A;  1H9Q A;  3MHM A;  3IBN A;  3EFI A;  1FQR A;  1V9I C;  1A42 A;  5CAC A;  3DV7 A;  1CA3 A;  1ZSA A;  3DD0 A;  2AW1 A;  4CA2 A;  2EU3 A;  1G52 A;  1IF8 A;  1TBT X;  1CNX A;  2X7T A;  3DC3 A;  3KOK A;  2WEG A;  1CNI A;  3IBI A;  3KIG A;  1BNU A;  3M98 A;  1JV0 A;  1BN1 A;  1CAN A;  3DA2 A;  1LUG A;  3N3J A;  1KWQ A;  3L14 A;  3M5T A;  1T9N A;  1ZE8 A;  1HCB A;  1UGA A;  3D92 A;  1J9W A;  1BIC A;  1FQL A;  1I9N A;  2WD3 A;  1CNG A;  1G45 A;  3FE4 A;  1RJ5 A;  2FMZ A;  3EFT A;  3MDZ A;  3ML5 A;  3M40 A;  1BCD A;  1HCA A;  1RAY A;  3B4F A;  1CAM A;  3LXE A;  1ZNC A;  1LGD A;  3M1W A;  1CNC A;  1H9N A;  2FOQ A;  1XEG A;  3D8W A;  2WEO A;  3HFP A;  1AM6 A;  1TTM A;  1OKM A;  1CAL A;  1I91 A;  3IBL A;  2NXR A;  2ILI A;  4PYY A;  3F4X A;  3ZNC A;  1CAH A;  1V9E A;  1RAZ A;  1BNT A;  1IF6 A;  1BNV A;  3DVD A;  3M96 A;  2NMX A;  3JXG A;  3HKU A;  1I9L A;  1BNQ A;  1LG5 A;  3K7K A;  3M1J A;  5CA2 A;  3NJ9 A;  3PO6 A;  3BL0 A;  1H4N A;  4CAC A;  2CBC A;  3GZ0 A;  1G3Z A;  2HD6 A;  1ZSB A;  2WEJ A;  1TH9 A;  3MYQ A;  1G0F A;  3KS3 A;  2CBD A;  3D93 A;  1UGD A;  3IAI A;  1XPZ A;  2NNV A;  1YDC A;  3KON A;  3B1B A;  1CNY A;  1RZA A;  2EZ7 A;  3MNI A;  2H15 A;  2OSF A;  2WEH A;  3MNH A;  1FLJ A;  3P4V A;  1CAJ A;  6CA2 A;  2NNS A;  3F7B A;  3FW3 A;  1URT A;  1ZSC A;  1RZD A;  1CAI A;  1BV3 A;  2X7S A;  3DCC A;  2ZNC A;  3OIL A;  3MHL A;  3N4B A;  1HVA A;  1UGF A;  2CA2 A;  1FQM A;  1JD0 A;  1CAZ A;  1BNM A;  1BNN A;  1TG9 A;  1KEQ A;  2NXT A;  7CA2 A;  3HKQ A;  3D9Z A;  1IF7 A;  2HNC A;  1Z93 A;  1CNJ A;  3M2Z A;  1HEA A;  2FNM A;  1DCB A;  1HED A;  2EU2 A;  3F8E A;  2VVB X;  1LZV A;  2Q1Q A;  1YO1 A;  1CRA A;  3CA2 A;  1DCA A;  2WD2 A;  1TE3 X;  2HFW A;  1YDA A;  3DD8 A;  1RZE A;  8CA2 A;  1LG6 A;  2NN1 A;  1CCT A;  1EOU A;  3HS4 A;  1BN3 A;  3MNU A;  1HEC A;  1CCS A;  2NXS A;  2CBE A;  3M1Q A;  3DBU A;  2POU A;  3N0N A;  3M3X A;  3FFP X;  2W2J A;  3DCW A;  3MNK A;  1RJ6 A;  1CVF A;  1KOP A;  3K2F A;  3ML2 A;  2X7U A;  1I8Z A;  2POV A;  1G1D A;  2NWO A;  3OKU A;  3M2Y A;  3HKN A;  1IF9 A;  1FSQ A; 
#chains in the KnotProt database with same CATH topology
 3MHO A;  1YDB A;  2NNG A;  1CVE A;  2Q1B A;  3N2P A;  2HOC A;  1TG3 A;  3R17 B;  1HUG A;  3IBU A;  1HEB A;  3DVB A;  3MHC A;  1DMY A;  1Y7W A;  2Q38 A;  2OSM A;  2GD8 A;  3OIM A;  2HFX A;  1G48 A;  3KKX A;  1CIN A;  1I9P A;  3IEO A;  2VVA X;  3BL1 A;  2NNO A;  3M5E A;  1CNH A;  3M2N A;  1XEV A;  2F14 A;  3C7P A;  2NWZ A;  1CAO A;  2FNN A;  3K34 A;  1CVD A;  3IGP A;  1THK A;  1RZB A;  9CA2 A;  3MHI A;  3F7U A;  2GEH A;  3MMF A;  1AZM A;  3NI5 A;  3MNA A;  1FSR A;  3DC9 A;  1YO2 A;  1CCU A;  3OIK A;  1G46 A;  1CAK A;  1FR4 A;  1Z97 A;  2HFY A;  1RZC A;  3PYK A;  1G4O A;  2NN7 A;  1I9M A;  1KWR A;  3MZC A;  2HKK A;  2CBB A;  3DCS A;  1KOQ A;  1YO0 A;  3DAZ A;  1IF4 A;  3KWA A;  3IQK A;  3MNJ A;  1IF5 A;  2NWY A;  1CNW A;  1OKN A;  1OQ5 A;  1CA2 A;  1G53 A;  1F2W A;  1CVA A;  1BNW A;  2NWP A;  1FR7 A;  1CRM A;  3HKT A;  1CIM A;  2FOS A;  1AVN A;  2POW A;  3JXH C;  1I9Q A;  2FOU A;  1CVB A;  1G4J A;  3M5S A;  1G6V A;  2HL4 A;  2CBA A;  1CVH A;  2CAB A;  1I90 A;  2IT4 A;  3R16 A;  1TEU X;  1G0E A;  2FW4 A;  2AX2 A;  1CIL A;  1CVC A;  1I9O A;  3M67 A;  3HLJ A;  3CAJ A;  3BET A;  2O4Z A;  1YDD A;  2FMG A;  3OKV A;  3DVC A;  1MUA A;  1UGB A;  3CZV A;  1CAY A;  1BZM A;  2FNK A;  1HUH A;  3MWO A;  1BN4 A;  1CZM A;  1UGE A;  2ABE A;  3D0N A;  1FQN A;  3JXF A;  12CA A;  1FSN A;  1XQ0 A;  1H9Q A;  3MHM A;  3IBN A;  3EFI A;  1FQR A;  1V9I C;  1A42 A;  5CAC A;  3DV7 A;  1CA3 A;  1ZSA A;  3DD0 A;  2AW1 A;  4CA2 A;  2EU3 A;  1G52 A;  1IF8 A;  1TBT X;  1CNX A;  2X7T A;  3DC3 A;  3KOK A;  2WEG A;  1CNI A;  3IBI A;  3KIG A;  1BNU A;  3M98 A;  1JV0 A;  1BN1 A;  1CAN A;  3DA2 A;  1LUG A;  3N3J A;  1KWQ A;  3L14 A;  3M5T A;  1T9N A;  1ZE8 A;  1HCB A;  1UGA A;  3D92 A;  1J9W A;  1BIC A;  1FQL A;  1I9N A;  2WD3 A;  1CNG A;  1G45 A;  3FE4 A;  1RJ5 A;  2FMZ A;  3EFT A;  3MDZ A;  3ML5 A;  3M40 A;  1BCD A;  1HCA A;  1RAY A;  3B4F A;  1CAM A;  3LXE A;  1ZNC A;  1LGD A;  3M1W A;  1CNC A;  1H9N A;  2FOQ A;  1XEG A;  3D8W A;  2WEO A;  3HFP A;  1AM6 A;  1TTM A;  1OKM A;  1CAL A;  1I91 A;  3IBL A;  2NXR A;  2ILI A;  4PYY A;  3F4X A;  3ZNC A;  1CAH A;  1V9E A;  1RAZ A;  1BNT A;  1IF6 A;  1BNV A;  3DVD A;  3M96 A;  2NMX A;  3JXG A;  3HKU A;  1I9L A;  1BNQ A;  1LG5 A;  3K7K A;  3M1J A;  5CA2 A;  3NJ9 A;  3PO6 A;  3BL0 A;  1H4N A;  4CAC A;  2CBC A;  3GZ0 A;  1G3Z A;  2HD6 A;  1ZSB A;  2WEJ A;  1TH9 A;  3MYQ A;  1G0F A;  3KS3 A;  2CBD A;  3D93 A;  1UGD A;  3IAI A;  1XPZ A;  2NNV A;  1YDC A;  3KON A;  3B1B A;  1CNY A;  1RZA A;  2EZ7 A;  3MNI A;  2H15 A;  2OSF A;  2WEH A;  3MNH A;  1FLJ A;  3P4V A;  1CAJ A;  6CA2 A;  2NNS A;  3F7B A;  3FW3 A;  1URT A;  1ZSC A;  1RZD A;  1CAI A;  1BV3 A;  2X7S A;  3DCC A;  2ZNC A;  3OIL A;  3MHL A;  3N4B A;  1HVA A;  1UGF A;  2CA2 A;  1FQM A;  1JD0 A;  1CAZ A;  1BNM A;  1BNN A;  1TG9 A;  1KEQ A;  2NXT A;  7CA2 A;  3HKQ A;  3D9Z A;  1IF7 A;  2HNC A;  1Z93 A;  1CNJ A;  3M2Z A;  1HEA A;  2FNM A;  1DCB A;  1HED A;  2EU2 A;  3F8E A;  2VVB X;  1LZV A;  2Q1Q A;  1YO1 A;  1CRA A;  3CA2 A;  1DCA A;  2WD2 A;  1TE3 X;  2HFW A;  1YDA A;  3DD8 A;  1RZE A;  8CA2 A;  1LG6 A;  2NN1 A;  1CCT A;  1EOU A;  3HS4 A;  1BN3 A;  3MNU A;  1HEC A;  1CCS A;  2NXS A;  2CBE A;  3M1Q A;  3DBU A;  2POU A;  3N0N A;  3M3X A;  3FFP X;  2W2J A;  3DCW A;  3MNK A;  1RJ6 A;  1CVF A;  1KOP A;  3K2F A;  3ML2 A;  2X7U A;  1I8Z A;  2POV A;  1G1D A;  2NWO A;  3OKU A;  3M2Y A;  3HKN A;  1IF9 A;  1FSQ A; 
#chains in the KnotProt database with same CATH homology
 3MHO A;  1YDB A;  2NNG A;  1CVE A;  2Q1B A;  3N2P A;  2HOC A;  1TG3 A;  3R17 B;  1HUG A;  3IBU A;  1HEB A;  3DVB A;  3MHC A;  1DMY A;  1Y7W A;  2Q38 A;  2OSM A;  2GD8 A;  3OIM A;  2HFX A;  1G48 A;  3KKX A;  1CIN A;  1I9P A;  3IEO A;  2VVA X;  3BL1 A;  2NNO A;  3M5E A;  1CNH A;  3M2N A;  1XEV A;  2F14 A;  3C7P A;  2NWZ A;  1CAO A;  2FNN A;  3K34 A;  1CVD A;  3IGP A;  1THK A;  1RZB A;  9CA2 A;  3MHI A;  3F7U A;  2GEH A;  3MMF A;  1AZM A;  3NI5 A;  3MNA A;  1FSR A;  3DC9 A;  1YO2 A;  1CCU A;  3OIK A;  1G46 A;  1CAK A;  1FR4 A;  1Z97 A;  2HFY A;  1RZC A;  3PYK A;  1G4O A;  2NN7 A;  1I9M A;  1KWR A;  3MZC A;  2HKK A;  2CBB A;  3DCS A;  1KOQ A;  1YO0 A;  3DAZ A;  1IF4 A;  3KWA A;  3IQK A;  3MNJ A;  1IF5 A;  2NWY A;  1CNW A;  1OKN A;  1OQ5 A;  1CA2 A;  1G53 A;  1F2W A;  1CVA A;  1BNW A;  2NWP A;  1FR7 A;  1CRM A;  3HKT A;  1CIM A;  2FOS A;  1AVN A;  2POW A;  3JXH C;  1I9Q A;  2FOU A;  1CVB A;  1G4J A;  3M5S A;  1G6V A;  2HL4 A;  2CBA A;  1CVH A;  2CAB A;  1I90 A;  2IT4 A;  3R16 A;  1TEU X;  1G0E A;  2FW4 A;  2AX2 A;  1CIL A;  1CVC A;  1I9O A;  3M67 A;  3HLJ A;  3CAJ A;  3BET A;  2O4Z A;  1YDD A;  2FMG A;  3OKV A;  3DVC A;  1MUA A;  1UGB A;  3CZV A;  1CAY A;  1BZM A;  2FNK A;  1HUH A;  3MWO A;  1BN4 A;  1CZM A;  1UGE A;  2ABE A;  3D0N A;  1FQN A;  3JXF A;  12CA A;  1FSN A;  1XQ0 A;  1H9Q A;  3MHM A;  3IBN A;  3EFI A;  1FQR A;  1V9I C;  1A42 A;  5CAC A;  3DV7 A;  1CA3 A;  1ZSA A;  3DD0 A;  2AW1 A;  4CA2 A;  2EU3 A;  1G52 A;  1IF8 A;  1TBT X;  1CNX A;  2X7T A;  3DC3 A;  3KOK A;  2WEG A;  1CNI A;  3IBI A;  3KIG A;  1BNU A;  3M98 A;  1JV0 A;  1BN1 A;  1CAN A;  3DA2 A;  1LUG A;  3N3J A;  1KWQ A;  3L14 A;  3M5T A;  1T9N A;  1ZE8 A;  1HCB A;  1UGA A;  3D92 A;  1J9W A;  1BIC A;  1FQL A;  1I9N A;  2WD3 A;  1CNG A;  1G45 A;  3FE4 A;  1RJ5 A;  2FMZ A;  3EFT A;  3MDZ A;  3ML5 A;  3M40 A;  1BCD A;  1HCA A;  1RAY A;  3B4F A;  1CAM A;  3LXE A;  1ZNC A;  1LGD A;  3M1W A;  1CNC A;  1H9N A;  2FOQ A;  1XEG A;  3D8W A;  2WEO A;  3HFP A;  1AM6 A;  1TTM A;  1OKM A;  1CAL A;  1I91 A;  3IBL A;  2NXR A;  2ILI A;  3F4X A;  3ZNC A;  1CAH A;  1V9E A;  1RAZ A;  1BNT A;  1IF6 A;  1BNV A;  3DVD A;  3M96 A;  2NMX A;  3JXG A;  3HKU A;  1I9L A;  1BNQ A;  1LG5 A;  3K7K A;  3M1J A;  5CA2 A;  3NJ9 A;  3PO6 A;  3BL0 A;  1H4N A;  4CAC A;  2CBC A;  3GZ0 A;  1G3Z A;  2HD6 A;  1ZSB A;  2WEJ A;  1TH9 A;  3MYQ A;  1G0F A;  3KS3 A;  2CBD A;  3D93 A;  1UGD A;  3IAI A;  1XPZ A;  2NNV A;  1YDC A;  3KON A;  3B1B A;  1CNY A;  1RZA A;  2EZ7 A;  3MNI A;  2H15 A;  2OSF A;  2WEH A;  3MNH A;  1FLJ A;  3P4V A;  1CAJ A;  6CA2 A;  2NNS A;  3F7B A;  3FW3 A;  1URT A;  1ZSC A;  1RZD A;  1CAI A;  1BV3 A;  2X7S A;  3DCC A;  2ZNC A;  3OIL A;  3MHL A;  3N4B A;  1HVA A;  1UGF A;  2CA2 A;  1FQM A;  1JD0 A;  1CAZ A;  1BNM A;  1BNN A;  1TG9 A;  1KEQ A;  2NXT A;  7CA2 A;  3HKQ A;  3D9Z A;  1IF7 A;  2HNC A;  1Z93 A;  1CNJ A;  3M2Z A;  1HEA A;  2FNM A;  1DCB A;  1HED A;  2EU2 A;  3F8E A;  2VVB X;  1LZV A;  2Q1Q A;  1YO1 A;  1CRA A;  3CA2 A;  1DCA A;  2WD2 A;  1TE3 X;  2HFW A;  1YDA A;  3DD8 A;  1RZE A;  8CA2 A;  1LG6 A;  2NN1 A;  1CCT A;  1EOU A;  3HS4 A;  1BN3 A;  3MNU A;  1HEC A;  1CCS A;  2NXS A;  2CBE A;  3M1Q A;  3DBU A;  2POU A;  3N0N A;  3M3X A;  3FFP X;  2W2J A;  3DCW A;  3MNK A;  1RJ6 A;  1CVF A;  1KOP A;  3K2F A;  3ML2 A;  2X7U A;  1I8Z A;  2POV A;  1G1D A;  2NWO A;  3OKU A;  3M2Y A;  3HKN A;  1IF9 A;  1FSQ A;
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similar chains in the KnotProt database (?% sequence similarity)
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similar chains in the pdb database (?% sequence similarity)

  
#similar chains in the KnotProt database (?% sequence similarity)
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#similar chains, but unknotted
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