6HXDA

Human carbonic anhydrase ii in complex with 4-butylbenzenesulfonamide
Genus: 75
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 21-255 235 1-20, 256-258 20 2 slipknot
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 15x +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, 256-258 21 3 knot
Fingerprint Knot forming loop Loop type
K +31 His4 ... His94 <->
Bridging ionZn301
<-> His96 ...
Chain closureLys261 <-> His4
 probabilistic
K +31
Chain closureHis4 <-> Lys261
... Cys206 <->
Bridging ionMbo303
<-> Gln137 ... His4		 probabilistic
K +31 His4 ... Val135 <->
Bridging ionHg304
<-> Cys206 ...
Chain closureLys261 <-> His4
 probabilistic
K +31 His4 ... His96 <->
Bridging ionZn301
<-> His119 ...
Chain closureLys261 <-> His4
 probabilistic
K +31 His4 ... His94 <->
Bridging ionZn301
<-> His119 ...
Chain closureLys261 <-> His4
 probabilistic
K +31
Chain closureHis4 <-> Lys261
... Glu205 <->
Bridging ionMbo303
<-> Gln137 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Lys261
... Cys206 <->
Bridging ionMbo303
<-> Gln137 ... His96 <->
Bridging ionZn301
<-> His94 ... His4		 probabilistic
K +31 His4 ... His94 <->
Bridging ionZn301
<-> His96 ... Val135 <->
Bridging ionHg304
<-> Cys206 ...
Chain closureLys261 <-> His4
 probabilistic
K +31
Chain closureHis4 <-> Lys261
... Cys206 <->
Bridging ionMbo303
<-> Gln137 ... His119 <->
Bridging ionZn301
<-> His96 ... His4		 probabilistic
K +31 His4 ... His96 <->
Bridging ionZn301
<-> His119 ... Val135 <->
Bridging ionHg304
<-> Cys206 ...
Chain closureLys261 <-> His4
 probabilistic
K +31
Chain closureHis4 <-> Lys261
... Cys206 <->
Bridging ionMbo303
<-> Gln137 ... His119 <->
Bridging ionZn301
<-> His94 ... His4		 probabilistic
K +31 His4 ... His94 <->
Bridging ionZn301
<-> His119 ... Val135 <->
Bridging ionHg304
<-> Cys206 ...
Chain closureLys261 <-> His4
 probabilistic
K +31
Chain closureHis4 <-> Lys261
... Glu205 <->
Bridging ionMbo303
<-> Gln137 ... His96 <->
Bridging ionZn301
<-> His94 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Lys261
... Glu205 <->
Bridging ionMbo303
<-> Gln137 ... His119 <->
Bridging ionZn301
<-> His96 ... His4		 probabilistic
K +31
Chain closureHis4 <-> Lys261
... Glu205 <->
Bridging ionMbo303
<-> Gln137 ... His119 <->
Bridging ionZn301
<-> His94 ... 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 25-256 232 1-24, 257-257 24 1 knot
view details
2.1 24-252 229 1-23 257-257 253-256 23 1 slipknot
sequence length 257
structure length 257
publication title Human Carbonic Anhydrase II in complex with 4-Butylbenzenesulfonamide
rcsb
molecule tags Lyase
molecule keywords Carbonic anhydrase 2
source organism Homo sapiens
total genus Genus: 75
ec nomenclature ec 4.2.1.1: Alcohol dehydrogenase.
pdb deposition date 2018-10-17
KnotProt deposition date 2019-11-07

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)
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similar chains in the KnotProt database (?% sequence similarity)
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similar chains in the pdb database (?% sequence similarity)

  
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#similar chains, but unknotted
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How to cite
KnotProt | Interdisciplinary Laboratory of Biological Systems Modelling