2POWA

The crystal structure of the human carbonic anhydrase ii in complex with 4-amino-6-trifluoromethyl-benzene-1,3-disulfonamide
Genus: 73
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
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+31 21-255 235 1-20, 256-258 20 3 knot
Chain Sequence
HWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASFK
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 23-254 232 1-22, 255-258 22 4 knot
Fingerprint Knot forming loop Loop type
K +31 His4 ... His94 <->
Bridging ionZn262
<-> His96 ...
Chain closureLys261 <-> His4
 probabilistic
K +31 His4 ... His96 <->
Bridging ionZn262
<-> His119 ...
Chain closureLys261 <-> His4
 probabilistic
K +31 His4 ... His94 <->
Bridging ionZn262
<-> His119 ...
Chain closureLys261 <-> His4
 probabilistic
Chain Sequence
HWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASFK
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 25-255 231 1-24, 256-257 24 2 knot
view details
2.1 24-251 228 1-23 256-257 252-255 23 2 slipknot
sequence length 257
structure length 257
publication title Carbonic anhydrase inhibitors: Inhibition of human, bacterial, and archaeal isozymes with benzene-1,3-disulfonamides-Solution and crystallographic studies.
pubmed doi rcsb
molecule tags Lyase
molecule keywords Carbonic anhydrase 2
total genus Genus: 73
ec nomenclature ec 4.2.1.1: Carbonate dehydratase.
pdb deposition date 2007-04-27
KnotProt deposition date 2018-10-18

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 2powA00
3.10.200.10 Alpha Beta Roll Carbonic Anhydrase II Carbonic Anhydrase II 2powA00
1CVDA 3MWOA 1MUAA 2WD3A 3MNHA 1V9IC 1G48A 3DA2A 1XQ0A 1YO0A 2CBEA 3F8EA 1ZE8A 1XEGA 1FQLA 1FR4A 1CNYA 3OILA 1ZSBA 3KKXA 3D92A 1CCTA 1KOQA 3IBLA 2WEJA 3FE4A 2ZNCA 3K2FA 3IGPA 2OSMA 3NI5A 1JV0A 1CAMA 1CINA 1BV3A 3MHIA 3M98A 1A42A 3HKNA 3B4FA 1CAOA 1CNJA 2HKKA 1T9NA 1HUHA 3HS4A 1BNWA 3IBUA 1HECA 3BETA 1TBTX 1IF8A 3IQKA 1CVCA 3IBNA 1TH9A 1H9QA 1DCAA 1BNNA 3DVDA 2FMGA 1G0EA 2FW4A 1BCDA 1HEDA 4CACA 1FLJA 3N4BA 1I9MA 2Q1QA 3MDZA 3MMFA 1BN1A 2POVA 2HOCA 3DC3A 2IT4A 3JXFA 1CVHA 1FSRA 1CA3A 3DD0A 3KOKA 3B1BA 1BICA 2NWZA 2EU2A 3IAIA 3M5EA 2HNCA 3MNUA 3PYKA 2W2JA 1ZSCA 2WEHA 3DV7A 1TG3A 3M5TA 1CAIA 3D8WA 3F4XA 1I9OA 3D9ZA 2X7SA 1CNWA 3FW3A 3M2ZA 1LZVA 1ZSAA 2HFXA 3MHOA 1RZDA 1CILA 1CALA 1I9LA 2FNMA 3MNJA 1YDAA 1AZMA 3NJ9A 3N0NA 1KWRA 2FMZA 1CNCA 2NXRA 1TEUX 1G3ZA 3KS3A 3D93A 1CAJA 1LGDA 2WEGA 2FOUA 1RJ6A 1KEQA 1JD0A 1BNMA 8CA2A 3M2NA 1RZBA 2HFYA 3DCWA 1I8ZA 1F2WA 1TTMA 3PO6A 1I9QA 1FQNA 6CA2A 1FQMA 1CNIA 3N2PA 3OIMA 3F7UA 2NMXA 1CVAA 1DCBA 3DAZA 1IF5A 3OIKA 2CA2A 1Z93A 3M2YA 2CBAA 1CCSA 1V9EA 1UGBA 2POUA 1CIMA 2AW1A 3MYQA 1EOUA 1G1DA 2GEHA 2NWOA 3CA2A 3HFPA 1CZMA 2CBBA 2EZ7A 3JXHC 3DVCA 2ILIA 3FFPX 1IF4A 1CNXA 3ML5A 3HKUA 1BZMA 2CABA 3BL1A 2NXTA 1OKMA 1CNGA 3DC9A 1YDCA 2CBDA 2H15A 1FQRA 2WD2A 2NN1A 3LXEA 1RZEA 3OKVA 3OKUA 1Y7WA 1YDDA 4CA2A 1BN4A 1OQ5A 1YDBA 3MHLA 3CZVA 1HCBA 3M1QA 3KWAA 2AX2A 3M1JA 3MNAA 1RZCA 1CANA 1CCUA 3DCCA 3DD8A 3N3JA 3DBUA 3ZNCA 1Z97A 3K34A 1XEVA 2Q1BA 1KOPA 3BL0A 2FOSA 1RJ5A 1OKNA 3MHMA 1TE3X 1I9NA 1LG5A 1G0FA 1G4OA 1TG9A 2WEOA 3M67A 1RAZA 2VVAX 3D0NA 2OSFA 1AM6A 3MZCA 3P4VA 1YO1A 1CNHA 1HEAA 2NWYA 1FSNA 1HEBA 1G45A 1J9WA 2FNNA 1H4NA 3IEOA 2FNKA 1CAKA 2X7TA 2EU3A 2FOQA 2NNGA 2ABEA 3M96A 1CA2A 3M1WA 2X7UA 1URTA 2F14A 3KIGA 3MNKA 1RAYA 1CVEA 1IF9A 2NNVA 3HLJA 3MHCA 1AVNA 3M5SA 3M3XA 3C7PA 1YO2A 1KWQA 1I9PA 1H9NA 1CAHA 2NNSA 1G53A 3GZ0A 3CAJA 2HFWA 1HVAA 3M40A 2NNOA 1BNUA 1G52A 1G4JA 3EFTA 1CVBA 3EFIA 3HKQA 3R16A 1G6VA 1UGAA 2Q38A 1LG6A 1DMYA 3DCSA 1BNQA 2NXSA 2NN7A 2HL4A 3MNIA 3KONA 1CVFA 9CA2A 5CACA 3F7BA 1BNTA 3IBIA 1UGFA 1CRMA 1IF7A 1CAYA 2GD8A 1ZNCA 12CAA 3HKTA 3K7KA 1HCAA 2HD6A 1I90A 2NWPA 1UGEA 1HUGA 2POWA 1RZAA 1FSQA 3L14A 1BNVA 1I91A 1G46A 1XPZA 1CAZA 1FR7A 4PYYA 3JXGA 1THKA 2O4ZA 1CRAA 1LUGA 1IF6A 1BN3A 2CBCA 3DVBA 3R17B 5CA2A 2VVBX 3ML2A 1UGDA 7CA2A
chains in the KnotProt database with same CATH superfamily
1CVDA 3MWOA 1MUAA 2WD3A 3MNHA 1V9IC 1G48A 3DA2A 1XQ0A 1YO0A 2CBEA 3F8EA 1ZE8A 1XEGA 1FQLA 1FR4A 1CNYA 3OILA 1ZSBA 3KKXA 3D92A 1CCTA 1KOQA 3IBLA 2WEJA 3FE4A 2ZNCA 3K2FA 3IGPA 2OSMA 3NI5A 1JV0A 1CAMA 1CINA 1BV3A 3MHIA 3M98A 1A42A 3HKNA 3B4FA 1CAOA 1CNJA 2HKKA 1T9NA 1HUHA 3HS4A 1BNWA 3IBUA 1HECA 3BETA 1TBTX 1IF8A 3IQKA 1CVCA 3IBNA 1TH9A 1H9QA 1DCAA 1BNNA 3DVDA 2FMGA 1G0EA 2FW4A 1BCDA 1HEDA 4CACA 1FLJA 3N4BA 1I9MA 2Q1QA 3MDZA 3MMFA 1BN1A 2POVA 2HOCA 3DC3A 2IT4A 3JXFA 1CVHA 1FSRA 1CA3A 3DD0A 3KOKA 3B1BA 1BICA 2NWZA 2EU2A 3IAIA 3M5EA 2HNCA 3MNUA 3PYKA 2W2JA 1ZSCA 2WEHA 3DV7A 1TG3A 3M5TA 1CAIA 3D8WA 3F4XA 1I9OA 3D9ZA 2X7SA 1CNWA 3FW3A 3M2ZA 1LZVA 1ZSAA 2HFXA 3MHOA 1RZDA 1CILA 1CALA 1I9LA 2FNMA 3MNJA 1YDAA 1AZMA 3NJ9A 3N0NA 1KWRA 2FMZA 1CNCA 2NXRA 1TEUX 1G3ZA 3KS3A 3D93A 1CAJA 1LGDA 2WEGA 2FOUA 1RJ6A 1KEQA 1JD0A 1BNMA 8CA2A 3M2NA 1RZBA 2HFYA 3DCWA 1I8ZA 1F2WA 1TTMA 3PO6A 1I9QA 1FQNA 6CA2A 1FQMA 1CNIA 3N2PA 3OIMA 3F7UA 2NMXA 1CVAA 1DCBA 3DAZA 1IF5A 3OIKA 2CA2A 1Z93A 3M2YA 2CBAA 1CCSA 1V9EA 1UGBA 2POUA 1CIMA 2AW1A 3MYQA 1EOUA 1G1DA 2GEHA 2NWOA 3CA2A 3HFPA 1CZMA 2CBBA 2EZ7A 3JXHC 3DVCA 2ILIA 3FFPX 1IF4A 1CNXA 3ML5A 3HKUA 1BZMA 2CABA 3BL1A 2NXTA 1OKMA 1CNGA 3DC9A 1YDCA 2CBDA 2H15A 1FQRA 2WD2A 2NN1A 3LXEA 1RZEA 3OKVA 3OKUA 1Y7WA 1YDDA 4CA2A 1BN4A 1OQ5A 1YDBA 3MHLA 3CZVA 1HCBA 3M1QA 3KWAA 2AX2A 3M1JA 3MNAA 1RZCA 1CANA 1CCUA 3DCCA 3DD8A 3N3JA 3DBUA 3ZNCA 1Z97A 3K34A 1XEVA 2Q1BA 1KOPA 3BL0A 2FOSA 1RJ5A 1OKNA 3MHMA 1TE3X 1I9NA 1LG5A 1G0FA 1G4OA 1TG9A 2WEOA 3M67A 1RAZA 2VVAX 3D0NA 2OSFA 1AM6A 3MZCA 3P4VA 1YO1A 1CNHA 1HEAA 2NWYA 1FSNA 1HEBA 1G45A 1J9WA 2FNNA 1H4NA 3IEOA 2FNKA 1CAKA 2X7TA 2EU3A 2FOQA 2NNGA 2ABEA 3M96A 1CA2A 3M1WA 2X7UA 1URTA 2F14A 3KIGA 3MNKA 1RAYA 1CVEA 1IF9A 2NNVA 3HLJA 3MHCA 1AVNA 3M5SA 3M3XA 3C7PA 1YO2A 1KWQA 1I9PA 1H9NA 1CAHA 2NNSA 1G53A 3GZ0A 3CAJA 2HFWA 1HVAA 3M40A 2NNOA 1BNUA 1G52A 1G4JA 3EFTA 1CVBA 3EFIA 3HKQA 3R16A 1G6VA 1UGAA 2Q38A 1LG6A 1DMYA 3DCSA 1BNQA 2NXSA 2NN7A 2HL4A 3MNIA 3KONA 1CVFA 9CA2A 5CACA 3F7BA 1BNTA 3IBIA 1UGFA 1CRMA 1IF7A 1CAYA 2GD8A 1ZNCA 12CAA 3HKTA 3K7KA 1HCAA 2HD6A 1I90A 2NWPA 1UGEA 1HUGA 2POWA 1RZAA 1FSQA 3L14A 1BNVA 1I91A 1G46A 1XPZA 1CAZA 1FR7A 4PYYA 3JXGA 1THKA 2O4ZA 1CRAA 1LUGA 1IF6A 1BN3A 2CBCA 3DVBA 3R17B 5CA2A 2VVBX 3ML2A 1UGDA 7CA2A
chains in the KnotProt database with same CATH topology
1CVDA 3MWOA 1MUAA 2WD3A 3MNHA 1V9IC 1G48A 3DA2A 1XQ0A 1YO0A 2CBEA 3F8EA 1ZE8A 1XEGA 1FQLA 1FR4A 1CNYA 3OILA 1ZSBA 3KKXA 3D92A 1CCTA 1KOQA 3IBLA 2WEJA 3FE4A 2ZNCA 3K2FA 3IGPA 2OSMA 3NI5A 1JV0A 1CAMA 1CINA 1BV3A 3MHIA 3M98A 1A42A 3HKNA 3B4FA 1CAOA 1CNJA 2HKKA 1T9NA 1HUHA 3HS4A 1BNWA 3IBUA 1HECA 3BETA 1TBTX 1IF8A 3IQKA 1CVCA 3IBNA 1TH9A 1H9QA 1DCAA 1BNNA 3DVDA 2FMGA 1G0EA 2FW4A 1BCDA 1HEDA 4CACA 1FLJA 3N4BA 1I9MA 2Q1QA 3MDZA 3MMFA 1BN1A 2POVA 2HOCA 3DC3A 2IT4A 3JXFA 1CVHA 1FSRA 1CA3A 3DD0A 3KOKA 3B1BA 1BICA 2NWZA 2EU2A 3IAIA 3M5EA 2HNCA 3MNUA 3PYKA 2W2JA 1ZSCA 2WEHA 3DV7A 1TG3A 3M5TA 1CAIA 3D8WA 3F4XA 1I9OA 3D9ZA 2X7SA 1CNWA 3FW3A 3M2ZA 1LZVA 1ZSAA 2HFXA 3MHOA 1RZDA 1CILA 1CALA 1I9LA 2FNMA 3MNJA 1YDAA 1AZMA 3NJ9A 3N0NA 1KWRA 2FMZA 1CNCA 2NXRA 1TEUX 1G3ZA 3KS3A 3D93A 1CAJA 1LGDA 2WEGA 2FOUA 1RJ6A 1KEQA 1JD0A 1BNMA 8CA2A 3M2NA 1RZBA 2HFYA 3DCWA 1I8ZA 1F2WA 1TTMA 3PO6A 1I9QA 1FQNA 6CA2A 1FQMA 1CNIA 3N2PA 3OIMA 3F7UA 2NMXA 1CVAA 1DCBA 3DAZA 1IF5A 3OIKA 2CA2A 1Z93A 3M2YA 2CBAA 1CCSA 1V9EA 1UGBA 2POUA 1CIMA 2AW1A 3MYQA 1EOUA 1G1DA 2GEHA 2NWOA 3CA2A 3HFPA 1CZMA 2CBBA 2EZ7A 3JXHC 3DVCA 2ILIA 3FFPX 1IF4A 1CNXA 3ML5A 3HKUA 1BZMA 2CABA 3BL1A 2NXTA 1OKMA 1CNGA 3DC9A 1YDCA 2CBDA 2H15A 1FQRA 2WD2A 2NN1A 3LXEA 1RZEA 3OKVA 3OKUA 1Y7WA 1YDDA 4CA2A 1BN4A 1OQ5A 1YDBA 3MHLA 3CZVA 1HCBA 3M1QA 3KWAA 2AX2A 3M1JA 3MNAA 1RZCA 1CANA 1CCUA 3DCCA 3DD8A 3N3JA 3DBUA 3ZNCA 1Z97A 3K34A 1XEVA 2Q1BA 1KOPA 3BL0A 2FOSA 1RJ5A 1OKNA 3MHMA 1TE3X 1I9NA 1LG5A 1G0FA 1G4OA 1TG9A 2WEOA 3M67A 1RAZA 2VVAX 3D0NA 2OSFA 1AM6A 3MZCA 3P4VA 1YO1A 1CNHA 1HEAA 2NWYA 1FSNA 1HEBA 1G45A 1J9WA 2FNNA 1H4NA 3IEOA 2FNKA 1CAKA 2X7TA 2EU3A 2FOQA 2NNGA 2ABEA 3M96A 1CA2A 3M1WA 2X7UA 1URTA 2F14A 3KIGA 3MNKA 1RAYA 1CVEA 1IF9A 2NNVA 3HLJA 3MHCA 1AVNA 3M5SA 3M3XA 3C7PA 1YO2A 1KWQA 1I9PA 1H9NA 1CAHA 2NNSA 1G53A 3GZ0A 3CAJA 2HFWA 1HVAA 3M40A 2NNOA 1BNUA 1G52A 1G4JA 3EFTA 1CVBA 3EFIA 3HKQA 3R16A 1G6VA 1UGAA 2Q38A 1LG6A 1DMYA 3DCSA 1BNQA 2NXSA 2NN7A 2HL4A 3MNIA 3KONA 1CVFA 9CA2A 5CACA 3F7BA 1BNTA 3IBIA 1UGFA 1CRMA 1IF7A 1CAYA 2GD8A 1ZNCA 12CAA 3HKTA 3K7KA 1HCAA 2HD6A 1I90A 2NWPA 1UGEA 1HUGA 2POWA 1RZAA 1FSQA 3L14A 1BNVA 1I91A 1G46A 1XPZA 1CAZA 1FR7A 3JXGA 1THKA 2O4ZA 1CRAA 1LUGA 1IF6A 1BN3A 2CBCA 3DVBA 3R17B 5CA2A 2VVBX 3ML2A 1UGDA 7CA2A
chains in the KnotProt database with same CATH homology

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