3CA2A

Crystallographic studies of inhibitor binding sites in human carbonic anhydrase ii. a pentacoordinated binding of the scn-ion to the zinc at high p*h
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 The broken part of the chain has been replaced by a straight segment, which may affect what knot types are detected - be careful with interpreting results.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: 78
Alphaknot: P00918
Slipknot S +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 24-255 232 1-23, 256-257 23 2 knot
Chain Sequence
HWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASF
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 22x +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 22-255 234 1-21, 256-257 21 1 slipknot
Fingerprint Knot forming loop Loop type
K +31 His4 ... His94 <->
Bridging ionZn264
<-> His96 ...
Chain closurePhe260 <-> His4
 probabilistic
K +31 His4 ... Asn62 <->
Bridging ionHg262
<-> His64 ...
Chain closurePhe260 <-> His4
 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Cys206 <->
Bridging ionHg263
<-> Gln137 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Glu205 <->
Bridging ionHg263
<-> Gln137 ... His4		 probabilistic
K +31 His4 ... His96 <->
Bridging ionZn264
<-> His119 ...
Chain closurePhe260 <-> His4
 probabilistic
K +31 His4 ... Asn62 <->
Bridging ionHg262
<-> His64 ... His94 <->
Bridging ionZn264
<-> His96 ...
Chain closurePhe260 <-> His4
 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Cys206 <->
Bridging ionHg263
<-> Gln137 ... His64 <->
Bridging ionHg262
<-> Asn62 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Cys206 <->
Bridging ionHg263
<-> Gln137 ... His96 <->
Bridging ionZn264
<-> His94 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Glu205 <->
Bridging ionHg263
<-> Gln137 ... His64 <->
Bridging ionHg262
<-> Asn62 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Glu205 <->
Bridging ionHg263
<-> Gln137 ... His96 <->
Bridging ionZn264
<-> His94 ... His4		 probabilistic
K +31 His4 ... Asn62 <->
Bridging ionHg262
<-> His64 ... His96 <->
Bridging ionZn264
<-> His119 ...
Chain closurePhe260 <-> His4
 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Cys206 <->
Bridging ionHg263
<-> Gln137 ... His119 <->
Bridging ionZn264
<-> His96 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Glu205 <->
Bridging ionHg263
<-> Gln137 ... His119 <->
Bridging ionZn264
<-> His96 ... His4		 probabilistic
K +31 His4 ... Asn62 <->
Bridging ionHg262
<-> His64 ... His94 <->
Bridging ionZn264
<-> His119 ...
Chain closurePhe260 <-> His4
 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Cys206 <->
Bridging ionHg263
<-> Gln137 ... His119 <->
Bridging ionZn264
<-> His94 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Glu205 <->
Bridging ionHg263
<-> Gln137 ... His119 <->
Bridging ionZn264
<-> His94 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Cys206 <->
Bridging ionHg263
<-> Gln137 ... His96 <->
Bridging ionZn264
<-> His94 ... His64 <->
Bridging ionHg262
<-> Asn62 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Glu205 <->
Bridging ionHg263
<-> Gln137 ... His96 <->
Bridging ionZn264
<-> His94 ... His64 <->
Bridging ionHg262
<-> Asn62 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Cys206 <->
Bridging ionHg263
<-> Gln137 ... His119 <->
Bridging ionZn264
<-> His96 ... His64 <->
Bridging ionHg262
<-> Asn62 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Glu205 <->
Bridging ionHg263
<-> Gln137 ... His119 <->
Bridging ionZn264
<-> His96 ... His64 <->
Bridging ionHg262
<-> Asn62 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Cys206 <->
Bridging ionHg263
<-> Gln137 ... His119 <->
Bridging ionZn264
<-> His94 ... His64 <->
Bridging ionHg262
<-> Asn62 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Phe260
... Glu205 <->
Bridging ionHg263
<-> Gln137 ... His119 <->
Bridging ionZn264
<-> His94 ... His64 <->
Bridging ionHg262
<-> Asn62 ... His4		 probabilistic
Chain Sequence
HWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASF
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
2.1 24-252 229 1-23, 253-256 23 4 knot
sequence length 256
structure length 256
publication title Crystallographic studies of inhibitor binding sites in human carbonic anhydrase II: a pentacoordinated binding of the SCN- ion to the zinc at high pH.
pubmed doi rcsb
molecule tags Lyase(oxo-acid)
molecule keywords CARBONIC ANHYDRASE II
source organism Homo sapiens
total genus Genus: 78
ec nomenclature ec 4.2.1.1: Carbonate dehydratase.
pdb deposition date 1989-10-02
KnotProt deposition date 2018-10-02

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 3ca2A00
3.10.200.10 Alpha Beta Roll Carbonic Anhydrase II Carbonic Anhydrase II 3ca2A00
3MWOA 1TTMA 3OILA 1BNWA 3MDZA 3FFPX 2X7SA 1I9QA 3KWAA 1I9NA 1I8ZA 2POVA 1CNHA 1FSQA 3MHOA 1UGFA 3ML5A 1TEUX 3D92A 1KOPA 3F8EA 1LG6A 1BNTA 1LUGA 2HFWA 1CVCA 1H4NA 5CACA 1YDDA 3M96A 3MNAA 1BCDA 3DAZA 2NNVA 1CCUA 3BETA 2CBCA 3EFTA 3KKXA 3B1BA 9CA2A 1KOQA 1H9NA 3ZNCA 1RZEA 3HS4A 1CNIA 3IBLA 3FW3A 3IBIA 2CBEA 1CA2A 1Z93A 3HKUA 1CAKA 1BN3A 5CA2A 2W2JA 1FR4A 3P4VA 1G4OA 1RZAA 3KOKA 1RZDA 1FQRA 1FLJA 3MNHA 3MNIA 1CAIA 3D9ZA 1RJ6A 4CACA 1YO0A 8CA2A 3HKQA 1G4JA 1IF7A 3L14A 3HKNA 2X7UA 1HEBA 1UGAA 3IAIA 2VVAX 3M5EA 3OKVA 1CVFA 1I90A 3DV7A 1TBTX 3M5TA 1G6VA 1RAZA 1F2WA 3F7UA 1CANA 1RJ5A 2X7TA 1BNUA 1TH9A 3MNKA 1IF8A 1ZSBA 3KS3A 1FQLA 1CZMA 3DCCA 1UGDA 3JXFA 1AVNA 1DCBA 1V9EA 2FNMA 3F4XA 1FSRA 1UGEA 1Z97A 1I9OA 1AM6A 2WD2A 1KWRA 1CNYA 1HUGA 2CABA 2ABEA 2HKKA 1CVEA 2ILIA 1BNNA 3OKUA 3MHCA 1URTA 1UGBA 2O4ZA 2HFYA 3DVBA 1BNMA 3PYKA 1OQ5A 1I9LA 2HFXA 1HEAA 3DVDA 2NWPA 1BN1A 3DC3A 4CA2A 1ZNCA 1CIMA 3IGPA 1IF4A 3NI5A 2EZ7A 3DVCA 3BL1A 2HL4A 2CBDA 2POWA 2EU2A 3M67A 1ZSCA 2NMXA 2AX2A 1HEDA 1KWQA 1HCBA 2WEOA 1RZBA 1J9WA 1KEQA 1AZMA 3CZVA 1G45A 1CNGA 3DBUA 3D0NA 3K2FA 2POUA 1CVBA 3DD0A 2WEHA 3HKTA 2WD3A 1G3ZA 3MMFA 3R17B 1CNXA 1G52A 1CAZA 2EU3A 3GZ0A 1TE3X 1BV3A 2HOCA 3BL0A 3M2YA 1G53A 2Q1QA 3M98A 1ZE8A 1LZVA 1CA3A 1BNVA 3HLJA 3K7KA 2FNNA 3D8WA 1HECA 3KIGA 1FQMA 1A42A 1MUAA 1CAYA 1DMYA 3MHLA 2FMGA 1THKA 1LG5A 2NNOA 7CA2A 2NXSA 1HVAA 3CAJA 2FNKA 1I9MA 2NN1A 3DA2A 3M1QA 2NNSA 3M40A 1IF9A 1CAOA 1CALA 1YDAA 3IQKA 3M5SA 3DCWA 3N3JA 1G0FA 1FR7A 1OKMA 1XEVA 2NWYA 3M2ZA 1CCSA 2Q38A 1CNCA 2CA2A 1H9QA 1CAMA 2Q1BA 1IF5A 2FMZA 1G1DA 2IT4A 2F14A 3M2NA 2OSMA 3M1JA 3IEOA 3F7BA 3MZCA 3NJ9A 1G48A 1CNWA 1TG3A 1G0EA 6CA2A 1V9IC 1RZCA 1CNJA 3PO6A 3N4BA 1ZSAA 1BNQA 2WEGA 3HFPA 3DCSA 1G46A 3M1WA 1CINA 1CILA 1XPZA 1RAYA 4PYYA 2ZNCA 1I9PA 3DC9A 1YDBA 3M3XA 1CRMA 1XEGA 1CVHA 2FOQA 1DCAA 1BZMA 3EFIA 3K34A 3B4FA 2NXRA 1HCAA 1I91A 2NWOA 2CBBA 2AW1A 2NNGA 2HNCA 3OIMA 2VVBX 1XQ0A 3JXGA 1LGDA 1CCTA 3R16A 2FOUA 1YDCA 1HUHA 3JXHC 2GEHA 3DD8A 1TG9A 1Y7WA 1BN4A 3OIKA 2HD6A 3MNUA 3D93A 3MHIA 1CAJA 2OSFA 1OKNA 2NN7A 1FQNA 1YO1A 3N2PA 3IBUA 2NWZA 3IBNA 2WEJA 3C7PA 1CRAA 1EOUA 2NXTA 12CAA 2FOSA 3N0NA 2CBAA 1T9NA 1IF6A 3MNJA 3KONA 1FSNA 1JD0A 1CAHA 2FW4A 3CA2A 3ML2A 3MHMA 1JV0A 1CVDA 1YO2A 1BICA 3LXEA 2GD8A 3FE4A 2H15A 1CVAA 3MYQA
chains in the KnotProt database with same CATH superfamily
3MWOA 1TTMA 3OILA 1BNWA 3MDZA 3FFPX 2X7SA 1I9QA 3KWAA 1I9NA 1I8ZA 2POVA 1CNHA 1FSQA 3MHOA 1UGFA 3ML5A 1TEUX 3D92A 1KOPA 3F8EA 1LG6A 1BNTA 1LUGA 2HFWA 1CVCA 1H4NA 5CACA 1YDDA 3M96A 3MNAA 1BCDA 3DAZA 2NNVA 1CCUA 3BETA 2CBCA 3EFTA 3KKXA 3B1BA 9CA2A 1KOQA 1H9NA 3ZNCA 1RZEA 3HS4A 1CNIA 3IBLA 3FW3A 3IBIA 2CBEA 1CA2A 1Z93A 3HKUA 1CAKA 1BN3A 5CA2A 2W2JA 1FR4A 3P4VA 1G4OA 1RZAA 3KOKA 1RZDA 1FQRA 1FLJA 3MNHA 3MNIA 1CAIA 3D9ZA 1RJ6A 4CACA 1YO0A 8CA2A 3HKQA 1G4JA 1IF7A 3L14A 3HKNA 2X7UA 1HEBA 1UGAA 3IAIA 2VVAX 3M5EA 3OKVA 1CVFA 1I90A 3DV7A 1TBTX 3M5TA 1G6VA 1RAZA 1F2WA 3F7UA 1CANA 1RJ5A 2X7TA 1BNUA 1TH9A 3MNKA 1IF8A 1ZSBA 3KS3A 1FQLA 1CZMA 3DCCA 1UGDA 3JXFA 1AVNA 1DCBA 1V9EA 2FNMA 3F4XA 1FSRA 1UGEA 1Z97A 1I9OA 1AM6A 2WD2A 1KWRA 1CNYA 1HUGA 2CABA 2ABEA 2HKKA 1CVEA 2ILIA 1BNNA 3OKUA 3MHCA 1URTA 1UGBA 2O4ZA 2HFYA 3DVBA 1BNMA 3PYKA 1OQ5A 1I9LA 2HFXA 1HEAA 3DVDA 2NWPA 1BN1A 3DC3A 4CA2A 1ZNCA 1CIMA 3IGPA 1IF4A 3NI5A 2EZ7A 3DVCA 3BL1A 2HL4A 2CBDA 2POWA 2EU2A 3M67A 1ZSCA 2NMXA 2AX2A 1HEDA 1KWQA 1HCBA 2WEOA 1RZBA 1J9WA 1KEQA 1AZMA 3CZVA 1G45A 1CNGA 3DBUA 3D0NA 3K2FA 2POUA 1CVBA 3DD0A 2WEHA 3HKTA 2WD3A 1G3ZA 3MMFA 3R17B 1CNXA 1G52A 1CAZA 2EU3A 3GZ0A 1TE3X 1BV3A 2HOCA 3BL0A 3M2YA 1G53A 2Q1QA 3M98A 1ZE8A 1LZVA 1CA3A 1BNVA 3HLJA 3K7KA 2FNNA 3D8WA 1HECA 3KIGA 1FQMA 1A42A 1MUAA 1CAYA 1DMYA 3MHLA 2FMGA 1THKA 1LG5A 2NNOA 7CA2A 2NXSA 1HVAA 3CAJA 2FNKA 1I9MA 2NN1A 3DA2A 3M1QA 2NNSA 3M40A 1IF9A 1CAOA 1CALA 1YDAA 3IQKA 3M5SA 3DCWA 3N3JA 1G0FA 1FR7A 1OKMA 1XEVA 2NWYA 3M2ZA 1CCSA 2Q38A 1CNCA 2CA2A 1H9QA 1CAMA 2Q1BA 1IF5A 2FMZA 1G1DA 2IT4A 2F14A 3M2NA 2OSMA 3M1JA 3IEOA 3F7BA 3MZCA 3NJ9A 1G48A 1CNWA 1TG3A 1G0EA 6CA2A 1V9IC 1RZCA 1CNJA 3PO6A 3N4BA 1ZSAA 1BNQA 2WEGA 3HFPA 3DCSA 1G46A 3M1WA 1CINA 1CILA 1XPZA 1RAYA 4PYYA 2ZNCA 1I9PA 3DC9A 1YDBA 3M3XA 1CRMA 1XEGA 1CVHA 2FOQA 1DCAA 1BZMA 3EFIA 3K34A 3B4FA 2NXRA 1HCAA 1I91A 2NWOA 2CBBA 2AW1A 2NNGA 2HNCA 3OIMA 2VVBX 1XQ0A 3JXGA 1LGDA 1CCTA 3R16A 2FOUA 1YDCA 1HUHA 3JXHC 2GEHA 3DD8A 1TG9A 1Y7WA 1BN4A 3OIKA 2HD6A 3MNUA 3D93A 3MHIA 1CAJA 2OSFA 1OKNA 2NN7A 1FQNA 1YO1A 3N2PA 3IBUA 2NWZA 3IBNA 2WEJA 3C7PA 1CRAA 1EOUA 2NXTA 12CAA 2FOSA 3N0NA 2CBAA 1T9NA 1IF6A 3MNJA 3KONA 1FSNA 1JD0A 1CAHA 2FW4A 3CA2A 3ML2A 3MHMA 1JV0A 1CVDA 1YO2A 1BICA 3LXEA 2GD8A 3FE4A 2H15A 1CVAA 3MYQA
chains in the KnotProt database with same CATH topology
3MWOA 1TTMA 3OILA 1BNWA 3MDZA 3FFPX 2X7SA 1I9QA 3KWAA 1I9NA 1I8ZA 2POVA 1CNHA 1FSQA 3MHOA 1UGFA 3ML5A 1TEUX 3D92A 1KOPA 3F8EA 1LG6A 1BNTA 1LUGA 2HFWA 1CVCA 1H4NA 5CACA 1YDDA 3M96A 3MNAA 1BCDA 3DAZA 2NNVA 1CCUA 3BETA 2CBCA 3EFTA 3KKXA 3B1BA 9CA2A 1KOQA 1H9NA 3ZNCA 1RZEA 3HS4A 1CNIA 3IBLA 3FW3A 3IBIA 2CBEA 1CA2A 1Z93A 3HKUA 1CAKA 1BN3A 5CA2A 2W2JA 1FR4A 3P4VA 1G4OA 1RZAA 3KOKA 1RZDA 1FQRA 1FLJA 3MNHA 3MNIA 1CAIA 3D9ZA 1RJ6A 4CACA 1YO0A 8CA2A 3HKQA 1G4JA 1IF7A 3L14A 3HKNA 2X7UA 1HEBA 1UGAA 3IAIA 2VVAX 3M5EA 3OKVA 1CVFA 1I90A 3DV7A 1TBTX 3M5TA 1G6VA 1RAZA 1F2WA 3F7UA 1CANA 1RJ5A 2X7TA 1BNUA 1TH9A 3MNKA 1IF8A 1ZSBA 3KS3A 1FQLA 1CZMA 3DCCA 1UGDA 3JXFA 1AVNA 1DCBA 1V9EA 2FNMA 3F4XA 1FSRA 1UGEA 1Z97A 1I9OA 1AM6A 2WD2A 1KWRA 1CNYA 1HUGA 2CABA 2ABEA 2HKKA 1CVEA 2ILIA 1BNNA 3OKUA 3MHCA 1URTA 1UGBA 2O4ZA 2HFYA 3DVBA 1BNMA 3PYKA 1OQ5A 1I9LA 2HFXA 1HEAA 3DVDA 2NWPA 1BN1A 3DC3A 4CA2A 1ZNCA 1CIMA 3IGPA 1IF4A 3NI5A 2EZ7A 3DVCA 3BL1A 2HL4A 2CBDA 2POWA 2EU2A 3M67A 1ZSCA 2NMXA 2AX2A 1HEDA 1KWQA 1HCBA 2WEOA 1RZBA 1J9WA 1KEQA 1AZMA 3CZVA 1G45A 1CNGA 3DBUA 3D0NA 3K2FA 2POUA 1CVBA 3DD0A 2WEHA 3HKTA 2WD3A 1G3ZA 3MMFA 3R17B 1CNXA 1G52A 1CAZA 2EU3A 3GZ0A 1TE3X 1BV3A 2HOCA 3BL0A 3M2YA 1G53A 2Q1QA 3M98A 1ZE8A 1LZVA 1CA3A 1BNVA 3HLJA 3K7KA 2FNNA 3D8WA 1HECA 3KIGA 1FQMA 1A42A 1MUAA 1CAYA 1DMYA 3MHLA 2FMGA 1THKA 1LG5A 2NNOA 7CA2A 2NXSA 1HVAA 3CAJA 2FNKA 1I9MA 2NN1A 3DA2A 3M1QA 2NNSA 3M40A 1IF9A 1CAOA 1CALA 1YDAA 3IQKA 3M5SA 3DCWA 3N3JA 1G0FA 1FR7A 1OKMA 1XEVA 2NWYA 3M2ZA 1CCSA 2Q38A 1CNCA 2CA2A 1H9QA 1CAMA 2Q1BA 1IF5A 2FMZA 1G1DA 2IT4A 2F14A 3M2NA 2OSMA 3M1JA 3IEOA 3F7BA 3MZCA 3NJ9A 1G48A 1CNWA 1TG3A 1G0EA 6CA2A 1V9IC 1RZCA 1CNJA 3PO6A 3N4BA 1ZSAA 1BNQA 2WEGA 3HFPA 3DCSA 1G46A 3M1WA 1CINA 1CILA 1XPZA 1RAYA 2ZNCA 1I9PA 3DC9A 1YDBA 3M3XA 1CRMA 1XEGA 1CVHA 2FOQA 1DCAA 1BZMA 3EFIA 3K34A 3B4FA 2NXRA 1HCAA 1I91A 2NWOA 2CBBA 2AW1A 2NNGA 2HNCA 3OIMA 2VVBX 1XQ0A 3JXGA 1LGDA 1CCTA 3R16A 2FOUA 1YDCA 1HUHA 3JXHC 2GEHA 3DD8A 1TG9A 1Y7WA 1BN4A 3OIKA 2HD6A 3MNUA 3D93A 3MHIA 1CAJA 2OSFA 1OKNA 2NN7A 1FQNA 1YO1A 3N2PA 3IBUA 2NWZA 3IBNA 2WEJA 3C7PA 1CRAA 1EOUA 2NXTA 12CAA 2FOSA 3N0NA 2CBAA 1T9NA 1IF6A 3MNJA 3KONA 1FSNA 1JD0A 1CAHA 2FW4A 3CA2A 3ML2A 3MHMA 1JV0A 1CVDA 1YO2A 1BICA 3LXEA 2GD8A 3FE4A 2H15A 1CVAA 3MYQA
chains in the KnotProt database with same CATH homology

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